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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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7312 lines
312 KiB
7312 lines
312 KiB
/* |
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* |
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* Copyright 2017 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#include <deque> |
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#include <memory> |
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#include <mutex> |
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#include <numeric> |
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#include <set> |
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#include <sstream> |
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#include <string> |
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#include <thread> |
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#include <vector> |
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#include <gmock/gmock.h> |
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#include <gtest/gtest.h> |
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#include "absl/memory/memory.h" |
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#include "absl/strings/str_cat.h" |
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#include "absl/types/optional.h" |
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#include <grpc/grpc.h> |
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#include <grpc/grpc_security.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/time.h> |
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#include <grpcpp/channel.h> |
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#include <grpcpp/client_context.h> |
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#include <grpcpp/create_channel.h> |
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#include <grpcpp/security/tls_certificate_provider.h> |
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#include <grpcpp/server.h> |
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#include <grpcpp/server_builder.h> |
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#include "src/core/ext/filters/client_channel/backup_poller.h" |
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#include "src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h" |
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#include "src/core/ext/filters/client_channel/server_address.h" |
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#include "src/core/ext/xds/certificate_provider_registry.h" |
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#include "src/core/ext/xds/xds_api.h" |
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#include "src/core/ext/xds/xds_channel_args.h" |
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#include "src/core/ext/xds/xds_client.h" |
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#include "src/core/lib/channel/channel_args.h" |
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#include "src/core/lib/gpr/env.h" |
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#include "src/core/lib/gpr/tmpfile.h" |
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#include "src/core/lib/gprpp/map.h" |
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#include "src/core/lib/gprpp/ref_counted_ptr.h" |
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#include "src/core/lib/gprpp/sync.h" |
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#include "src/core/lib/iomgr/load_file.h" |
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#include "src/core/lib/iomgr/parse_address.h" |
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#include "src/core/lib/iomgr/sockaddr.h" |
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#include "src/core/lib/security/credentials/fake/fake_credentials.h" |
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#include "src/cpp/client/secure_credentials.h" |
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#include "src/cpp/server/secure_server_credentials.h" |
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#include "test/core/util/port.h" |
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#include "test/core/util/resolve_localhost_ip46.h" |
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#include "test/core/util/test_config.h" |
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#include "test/cpp/end2end/test_service_impl.h" |
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#include "src/proto/grpc/testing/echo.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/ads_for_test.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/cds_for_test.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/eds_for_test.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/lds_rds_for_test.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/lrs_for_test.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/ads.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/cluster.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/discovery.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/endpoint.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/http_connection_manager.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/listener.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/lrs.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/route.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/tls.grpc.pb.h" |
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namespace grpc { |
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namespace testing { |
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namespace { |
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using std::chrono::system_clock; |
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using ::envoy::config::cluster::v3::CircuitBreakers; |
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using ::envoy::config::cluster::v3::Cluster; |
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using ::envoy::config::cluster::v3::RoutingPriority; |
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using ::envoy::config::endpoint::v3::ClusterLoadAssignment; |
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using ::envoy::config::endpoint::v3::HealthStatus; |
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using ::envoy::config::listener::v3::Listener; |
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using ::envoy::config::route::v3::RouteConfiguration; |
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using ::envoy::extensions::filters::network::http_connection_manager::v3:: |
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HttpConnectionManager; |
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using ::envoy::extensions::transport_sockets::tls::v3::UpstreamTlsContext; |
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using ::envoy::type::matcher::v3::StringMatcher; |
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using ::envoy::type::v3::FractionalPercent; |
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constexpr char kLdsTypeUrl[] = |
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"type.googleapis.com/envoy.config.listener.v3.Listener"; |
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constexpr char kRdsTypeUrl[] = |
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"type.googleapis.com/envoy.config.route.v3.RouteConfiguration"; |
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constexpr char kCdsTypeUrl[] = |
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"type.googleapis.com/envoy.config.cluster.v3.Cluster"; |
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constexpr char kEdsTypeUrl[] = |
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"type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment"; |
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constexpr char kLdsV2TypeUrl[] = "type.googleapis.com/envoy.api.v2.Listener"; |
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constexpr char kRdsV2TypeUrl[] = |
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"type.googleapis.com/envoy.api.v2.RouteConfiguration"; |
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constexpr char kCdsV2TypeUrl[] = "type.googleapis.com/envoy.api.v2.Cluster"; |
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constexpr char kEdsV2TypeUrl[] = |
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"type.googleapis.com/envoy.api.v2.ClusterLoadAssignment"; |
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constexpr char kDefaultLocalityRegion[] = "xds_default_locality_region"; |
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constexpr char kDefaultLocalityZone[] = "xds_default_locality_zone"; |
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constexpr char kLbDropType[] = "lb"; |
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constexpr char kThrottleDropType[] = "throttle"; |
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constexpr char kServerName[] = "server.example.com"; |
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constexpr char kDefaultRouteConfigurationName[] = "route_config_name"; |
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constexpr char kDefaultClusterName[] = "cluster_name"; |
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constexpr char kDefaultEdsServiceName[] = "eds_service_name"; |
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constexpr int kDefaultLocalityWeight = 3; |
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constexpr int kDefaultLocalityPriority = 0; |
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constexpr char kRequestMessage[] = "Live long and prosper."; |
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constexpr char kDefaultServiceConfig[] = |
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"{\n" |
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" \"loadBalancingConfig\":[\n" |
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" { \"does_not_exist\":{} },\n" |
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" { \"xds_cluster_resolver_experimental\":{\n" |
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" \"discoveryMechanisms\": [\n" |
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" { \"clusterName\": \"server.example.com\",\n" |
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" \"type\": \"EDS\",\n" |
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" \"lrsLoadReportingServerName\": \"\"\n" |
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" } ]\n" |
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" } }\n" |
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" ]\n" |
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"}"; |
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constexpr char kDefaultServiceConfigWithoutLoadReporting[] = |
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"{\n" |
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" \"loadBalancingConfig\":[\n" |
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" { \"does_not_exist\":{} },\n" |
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" { \"xds_cluster_resolver_experimental\":{\n" |
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" \"discoveryMechanisms\": [\n" |
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" { \"clusterName\": \"server.example.com\",\n" |
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" \"type\": \"EDS\"\n" |
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" } ]\n" |
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" } }\n" |
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" ]\n" |
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"}"; |
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constexpr char kBootstrapFileV3[] = |
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"{\n" |
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" \"xds_servers\": [\n" |
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" {\n" |
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" \"server_uri\": \"fake:///xds_server\",\n" |
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" \"channel_creds\": [\n" |
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" {\n" |
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" \"type\": \"fake\"\n" |
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" }\n" |
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" ],\n" |
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" \"server_features\": [\"xds_v3\"]\n" |
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" }\n" |
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" ],\n" |
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" \"node\": {\n" |
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" \"id\": \"xds_end2end_test\",\n" |
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" \"cluster\": \"test\",\n" |
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" \"metadata\": {\n" |
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" \"foo\": \"bar\"\n" |
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" },\n" |
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" \"locality\": {\n" |
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" \"region\": \"corp\",\n" |
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" \"zone\": \"svl\",\n" |
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" \"subzone\": \"mp3\"\n" |
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" }\n" |
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" },\n" |
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" \"certificate_providers\": {\n" |
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" \"fake_plugin1\": {\n" |
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" \"plugin_name\": \"fake1\"\n" |
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" },\n" |
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" \"fake_plugin2\": {\n" |
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" \"plugin_name\": \"fake2\"\n" |
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" },\n" |
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" \"file_plugin\": {\n" |
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" \"plugin_name\": \"file_watcher\",\n" |
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" \"config\": {\n" |
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" \"certificate_file\": \"src/core/tsi/test_creds/client.pem\",\n" |
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" \"private_key_file\": \"src/core/tsi/test_creds/client.key\",\n" |
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" \"ca_certificate_file\": \"src/core/tsi/test_creds/ca.pem\"\n" |
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" }" |
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" }\n" |
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" }\n" |
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"}\n"; |
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constexpr char kBootstrapFileV2[] = |
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"{\n" |
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" \"xds_servers\": [\n" |
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" {\n" |
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" \"server_uri\": \"fake:///xds_server\",\n" |
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" \"channel_creds\": [\n" |
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" {\n" |
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" \"type\": \"fake\"\n" |
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" }\n" |
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" ]\n" |
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" }\n" |
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" ],\n" |
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" \"node\": {\n" |
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" \"id\": \"xds_end2end_test\",\n" |
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" \"cluster\": \"test\",\n" |
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" \"metadata\": {\n" |
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" \"foo\": \"bar\"\n" |
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" },\n" |
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" \"locality\": {\n" |
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" \"region\": \"corp\",\n" |
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" \"zone\": \"svl\",\n" |
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" \"subzone\": \"mp3\"\n" |
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" }\n" |
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" }\n" |
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"}\n"; |
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constexpr char kCaCertPath[] = "src/core/tsi/test_creds/ca.pem"; |
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constexpr char kServerCertPath[] = "src/core/tsi/test_creds/server1.pem"; |
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constexpr char kServerKeyPath[] = "src/core/tsi/test_creds/server1.key"; |
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constexpr char kClientCertPath[] = "src/core/tsi/test_creds/client.pem"; |
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constexpr char kClientKeyPath[] = "src/core/tsi/test_creds/client.key"; |
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constexpr char kBadClientCertPath[] = "src/core/tsi/test_creds/badclient.pem"; |
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constexpr char kBadClientKeyPath[] = "src/core/tsi/test_creds/badclient.key"; |
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char* g_bootstrap_file_v3; |
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char* g_bootstrap_file_v2; |
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void WriteBootstrapFiles() { |
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char* bootstrap_file; |
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FILE* out = gpr_tmpfile("xds_bootstrap_v3", &bootstrap_file); |
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fputs(kBootstrapFileV3, out); |
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fclose(out); |
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g_bootstrap_file_v3 = bootstrap_file; |
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out = gpr_tmpfile("xds_bootstrap_v2", &bootstrap_file); |
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fputs(kBootstrapFileV2, out); |
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fclose(out); |
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g_bootstrap_file_v2 = bootstrap_file; |
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} |
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// Helper class to minimize the number of unique ports we use for this test. |
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class PortSaver { |
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public: |
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int GetPort() { |
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if (idx_ >= ports_.size()) { |
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ports_.push_back(grpc_pick_unused_port_or_die()); |
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} |
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return ports_[idx_++]; |
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} |
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void Reset() { idx_ = 0; } |
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private: |
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std::vector<int> ports_; |
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size_t idx_ = 0; |
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}; |
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PortSaver* g_port_saver = nullptr; |
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template <typename ServiceType> |
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class CountedService : public ServiceType { |
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public: |
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size_t request_count() { |
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grpc_core::MutexLock lock(&mu_); |
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return request_count_; |
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} |
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size_t response_count() { |
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grpc_core::MutexLock lock(&mu_); |
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return response_count_; |
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} |
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void IncreaseResponseCount() { |
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grpc_core::MutexLock lock(&mu_); |
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++response_count_; |
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} |
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void IncreaseRequestCount() { |
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grpc_core::MutexLock lock(&mu_); |
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++request_count_; |
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} |
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void ResetCounters() { |
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grpc_core::MutexLock lock(&mu_); |
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request_count_ = 0; |
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response_count_ = 0; |
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} |
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private: |
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grpc_core::Mutex mu_; |
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size_t request_count_ = 0; |
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size_t response_count_ = 0; |
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}; |
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template <typename RpcService> |
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class BackendServiceImpl |
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: public CountedService<TestMultipleServiceImpl<RpcService>> { |
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public: |
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BackendServiceImpl() {} |
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Status Echo(ServerContext* context, const EchoRequest* request, |
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EchoResponse* response) override { |
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auto peer_identity = context->auth_context()->GetPeerIdentity(); |
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CountedService<TestMultipleServiceImpl<RpcService>>::IncreaseRequestCount(); |
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const auto status = |
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TestMultipleServiceImpl<RpcService>::Echo(context, request, response); |
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CountedService< |
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TestMultipleServiceImpl<RpcService>>::IncreaseResponseCount(); |
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{ |
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grpc_core::MutexLock lock(&mu_); |
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clients_.insert(context->peer()); |
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last_peer_identity_.clear(); |
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for (const auto& entry : peer_identity) { |
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last_peer_identity_.emplace_back(entry.data(), entry.size()); |
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} |
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} |
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return status; |
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} |
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Status Echo1(ServerContext* context, const EchoRequest* request, |
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EchoResponse* response) override { |
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return Echo(context, request, response); |
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} |
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Status Echo2(ServerContext* context, const EchoRequest* request, |
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EchoResponse* response) override { |
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return Echo(context, request, response); |
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} |
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void Start() {} |
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void Shutdown() {} |
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std::set<std::string> clients() { |
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grpc_core::MutexLock lock(&mu_); |
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return clients_; |
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} |
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const std::vector<std::string>& last_peer_identity() { |
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grpc_core::MutexLock lock(&mu_); |
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return last_peer_identity_; |
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} |
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private: |
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grpc_core::Mutex mu_; |
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std::set<std::string> clients_; |
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std::vector<std::string> last_peer_identity_; |
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}; |
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class ClientStats { |
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public: |
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struct LocalityStats { |
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LocalityStats() {} |
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// Converts from proto message class. |
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template <class UpstreamLocalityStats> |
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explicit LocalityStats(const UpstreamLocalityStats& upstream_locality_stats) |
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: total_successful_requests( |
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upstream_locality_stats.total_successful_requests()), |
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total_requests_in_progress( |
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upstream_locality_stats.total_requests_in_progress()), |
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total_error_requests(upstream_locality_stats.total_error_requests()), |
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total_issued_requests( |
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upstream_locality_stats.total_issued_requests()) {} |
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LocalityStats& operator+=(const LocalityStats& other) { |
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total_successful_requests += other.total_successful_requests; |
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total_requests_in_progress += other.total_requests_in_progress; |
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total_error_requests += other.total_error_requests; |
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total_issued_requests += other.total_issued_requests; |
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return *this; |
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} |
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uint64_t total_successful_requests = 0; |
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uint64_t total_requests_in_progress = 0; |
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uint64_t total_error_requests = 0; |
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uint64_t total_issued_requests = 0; |
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}; |
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ClientStats() {} |
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// Converts from proto message class. |
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template <class ClusterStats> |
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explicit ClientStats(const ClusterStats& cluster_stats) |
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: cluster_name_(cluster_stats.cluster_name()), |
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total_dropped_requests_(cluster_stats.total_dropped_requests()) { |
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for (const auto& input_locality_stats : |
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cluster_stats.upstream_locality_stats()) { |
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locality_stats_.emplace(input_locality_stats.locality().sub_zone(), |
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LocalityStats(input_locality_stats)); |
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} |
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for (const auto& input_dropped_requests : |
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cluster_stats.dropped_requests()) { |
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dropped_requests_.emplace(input_dropped_requests.category(), |
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input_dropped_requests.dropped_count()); |
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} |
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} |
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const std::string& cluster_name() const { return cluster_name_; } |
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const std::map<std::string, LocalityStats>& locality_stats() const { |
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return locality_stats_; |
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} |
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uint64_t total_successful_requests() const { |
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uint64_t sum = 0; |
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for (auto& p : locality_stats_) { |
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sum += p.second.total_successful_requests; |
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} |
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return sum; |
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} |
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uint64_t total_requests_in_progress() const { |
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uint64_t sum = 0; |
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for (auto& p : locality_stats_) { |
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sum += p.second.total_requests_in_progress; |
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} |
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return sum; |
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} |
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uint64_t total_error_requests() const { |
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uint64_t sum = 0; |
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for (auto& p : locality_stats_) { |
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sum += p.second.total_error_requests; |
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} |
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return sum; |
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} |
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uint64_t total_issued_requests() const { |
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uint64_t sum = 0; |
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for (auto& p : locality_stats_) { |
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sum += p.second.total_issued_requests; |
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} |
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return sum; |
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} |
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uint64_t total_dropped_requests() const { return total_dropped_requests_; } |
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uint64_t dropped_requests(const std::string& category) const { |
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auto iter = dropped_requests_.find(category); |
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GPR_ASSERT(iter != dropped_requests_.end()); |
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return iter->second; |
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} |
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ClientStats& operator+=(const ClientStats& other) { |
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for (const auto& p : other.locality_stats_) { |
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locality_stats_[p.first] += p.second; |
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} |
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total_dropped_requests_ += other.total_dropped_requests_; |
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for (const auto& p : other.dropped_requests_) { |
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dropped_requests_[p.first] += p.second; |
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} |
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return *this; |
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} |
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private: |
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std::string cluster_name_; |
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std::map<std::string, LocalityStats> locality_stats_; |
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uint64_t total_dropped_requests_ = 0; |
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std::map<std::string, uint64_t> dropped_requests_; |
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}; |
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// TODO(roth) move all of the code that deals with default resource contents out |
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// of AdsServiceImpl and into XdsEnd2EndTest. |
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class AdsServiceImpl : public std::enable_shared_from_this<AdsServiceImpl> { |
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public: |
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struct ResponseState { |
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enum State { NOT_SENT, SENT, ACKED, NACKED }; |
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State state = NOT_SENT; |
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std::string error_message; |
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}; |
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struct EdsResourceArgs { |
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struct Locality { |
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Locality(std::string sub_zone, std::vector<int> ports, |
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int lb_weight = kDefaultLocalityWeight, |
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int priority = kDefaultLocalityPriority, |
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std::vector<HealthStatus> health_statuses = {}) |
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: sub_zone(std::move(sub_zone)), |
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ports(std::move(ports)), |
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lb_weight(lb_weight), |
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priority(priority), |
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health_statuses(std::move(health_statuses)) {} |
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|
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const std::string sub_zone; |
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std::vector<int> ports; |
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int lb_weight; |
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int priority; |
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std::vector<HealthStatus> health_statuses; |
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}; |
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|
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EdsResourceArgs() = default; |
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explicit EdsResourceArgs(std::vector<Locality> locality_list) |
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: locality_list(std::move(locality_list)) {} |
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|
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std::vector<Locality> locality_list; |
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std::map<std::string, uint32_t> drop_categories; |
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FractionalPercent::DenominatorType drop_denominator = |
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FractionalPercent::MILLION; |
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}; |
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AdsServiceImpl() |
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: v2_rpc_service_(this, /*is_v2=*/true), |
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v3_rpc_service_(this, /*is_v2=*/false) {} |
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|
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bool seen_v2_client() const { return seen_v2_client_; } |
|
bool seen_v3_client() const { return seen_v3_client_; } |
|
|
|
::envoy::service::discovery::v2::AggregatedDiscoveryService::Service* |
|
v2_rpc_service() { |
|
return &v2_rpc_service_; |
|
} |
|
|
|
::envoy::service::discovery::v3::AggregatedDiscoveryService::Service* |
|
v3_rpc_service() { |
|
return &v3_rpc_service_; |
|
} |
|
|
|
ResponseState lds_response_state() { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
return resource_type_response_state_[kLdsTypeUrl]; |
|
} |
|
|
|
ResponseState rds_response_state() { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
return resource_type_response_state_[kRdsTypeUrl]; |
|
} |
|
|
|
ResponseState cds_response_state() { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
return resource_type_response_state_[kCdsTypeUrl]; |
|
} |
|
|
|
ResponseState eds_response_state() { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
return resource_type_response_state_[kEdsTypeUrl]; |
|
} |
|
|
|
void SetResourceIgnore(const std::string& type_url) { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
resource_types_to_ignore_.emplace(type_url); |
|
} |
|
|
|
void SetResourceMinVersion(const std::string& type_url, int version) { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
resource_type_min_versions_[type_url] = version; |
|
} |
|
|
|
void UnsetResource(const std::string& type_url, const std::string& name) { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
ResourceTypeState& resource_type_state = resource_map_[type_url]; |
|
++resource_type_state.resource_type_version; |
|
ResourceState& resource_state = resource_type_state.resource_name_map[name]; |
|
resource_state.resource_type_version = |
|
resource_type_state.resource_type_version; |
|
resource_state.resource.reset(); |
|
gpr_log(GPR_INFO, |
|
"ADS[%p]: Unsetting %s resource %s; resource_type_version now %u", |
|
this, type_url.c_str(), name.c_str(), |
|
resource_type_state.resource_type_version); |
|
for (SubscriptionState* subscription : resource_state.subscriptions) { |
|
subscription->update_queue->emplace_back(type_url, name); |
|
} |
|
} |
|
|
|
void SetResource(google::protobuf::Any resource, const std::string& type_url, |
|
const std::string& name) { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
ResourceTypeState& resource_type_state = resource_map_[type_url]; |
|
++resource_type_state.resource_type_version; |
|
ResourceState& resource_state = resource_type_state.resource_name_map[name]; |
|
resource_state.resource_type_version = |
|
resource_type_state.resource_type_version; |
|
resource_state.resource = std::move(resource); |
|
gpr_log(GPR_INFO, |
|
"ADS[%p]: Updating %s resource %s; resource_type_version now %u", |
|
this, type_url.c_str(), name.c_str(), |
|
resource_type_state.resource_type_version); |
|
for (SubscriptionState* subscription : resource_state.subscriptions) { |
|
subscription->update_queue->emplace_back(type_url, name); |
|
} |
|
} |
|
|
|
void SetLdsResource(const Listener& listener) { |
|
google::protobuf::Any resource; |
|
resource.PackFrom(listener); |
|
SetResource(std::move(resource), kLdsTypeUrl, listener.name()); |
|
} |
|
|
|
void SetRdsResource(const RouteConfiguration& route) { |
|
google::protobuf::Any resource; |
|
resource.PackFrom(route); |
|
SetResource(std::move(resource), kRdsTypeUrl, route.name()); |
|
} |
|
|
|
void SetCdsResource(const Cluster& cluster) { |
|
google::protobuf::Any resource; |
|
resource.PackFrom(cluster); |
|
SetResource(std::move(resource), kCdsTypeUrl, cluster.name()); |
|
} |
|
|
|
void SetEdsResource(const ClusterLoadAssignment& assignment) { |
|
google::protobuf::Any resource; |
|
resource.PackFrom(assignment); |
|
SetResource(std::move(resource), kEdsTypeUrl, assignment.cluster_name()); |
|
} |
|
|
|
void Start() { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
ads_done_ = false; |
|
} |
|
|
|
void Shutdown() { |
|
{ |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
NotifyDoneWithAdsCallLocked(); |
|
resource_type_response_state_.clear(); |
|
} |
|
gpr_log(GPR_INFO, "ADS[%p]: shut down", this); |
|
} |
|
|
|
void NotifyDoneWithAdsCall() { |
|
grpc_core::MutexLock lock(&ads_mu_); |
|
NotifyDoneWithAdsCallLocked(); |
|
} |
|
|
|
void NotifyDoneWithAdsCallLocked() { |
|
if (!ads_done_) { |
|
ads_done_ = true; |
|
ads_cond_.Broadcast(); |
|
} |
|
} |
|
|
|
std::set<std::string> clients() { |
|
grpc_core::MutexLock lock(&clients_mu_); |
|
return clients_; |
|
} |
|
|
|
private: |
|
// A queue of resource type/name pairs that have changed since the client |
|
// subscribed to them. |
|
using UpdateQueue = std::deque< |
|
std::pair<std::string /* type url */, std::string /* resource name */>>; |
|
|
|
// A struct representing a client's subscription to a particular resource. |
|
struct SubscriptionState { |
|
// The queue upon which to place updates when the resource is updated. |
|
UpdateQueue* update_queue; |
|
}; |
|
|
|
// A struct representing the a client's subscription to all the resources. |
|
using SubscriptionNameMap = |
|
std::map<std::string /* resource_name */, SubscriptionState>; |
|
using SubscriptionMap = |
|
std::map<std::string /* type_url */, SubscriptionNameMap>; |
|
|
|
// Sent state for a given resource type. |
|
struct SentState { |
|
int nonce = 0; |
|
int resource_type_version = 0; |
|
}; |
|
|
|
// A struct representing the current state for an individual resource. |
|
struct ResourceState { |
|
// The resource itself, if present. |
|
absl::optional<google::protobuf::Any> resource; |
|
// The resource type version that this resource was last updated in. |
|
int resource_type_version = 0; |
|
// A list of subscriptions to this resource. |
|
std::set<SubscriptionState*> subscriptions; |
|
}; |
|
|
|
// The current state for all individual resources of a given type. |
|
using ResourceNameMap = |
|
std::map<std::string /* resource_name */, ResourceState>; |
|
|
|
struct ResourceTypeState { |
|
int resource_type_version = 0; |
|
ResourceNameMap resource_name_map; |
|
}; |
|
|
|
using ResourceMap = std::map<std::string /* type_url */, ResourceTypeState>; |
|
|
|
template <class RpcApi, class DiscoveryRequest, class DiscoveryResponse> |
|
class RpcService : public RpcApi::Service { |
|
public: |
|
using Stream = ServerReaderWriter<DiscoveryResponse, DiscoveryRequest>; |
|
|
|
RpcService(AdsServiceImpl* parent, bool is_v2) |
|
: parent_(parent), is_v2_(is_v2) {} |
|
|
|
Status StreamAggregatedResources(ServerContext* context, |
|
Stream* stream) override { |
|
gpr_log(GPR_INFO, "ADS[%p]: StreamAggregatedResources starts", this); |
|
parent_->AddClient(context->peer()); |
|
if (is_v2_) { |
|
parent_->seen_v2_client_ = true; |
|
} else { |
|
parent_->seen_v3_client_ = true; |
|
} |
|
// Take a reference of the AdsServiceImpl object, which will go |
|
// out of scope when this request handler returns. This ensures |
|
// that the parent won't be destroyed until this stream is complete. |
|
std::shared_ptr<AdsServiceImpl> ads_service_impl = |
|
parent_->shared_from_this(); |
|
// Resources (type/name pairs) that have changed since the client |
|
// subscribed to them. |
|
UpdateQueue update_queue; |
|
// Resources that the client will be subscribed to keyed by resource type |
|
// url. |
|
SubscriptionMap subscription_map; |
|
// Sent state for each resource type. |
|
std::map<std::string /*type_url*/, SentState> sent_state_map; |
|
// Spawn a thread to read requests from the stream. |
|
// Requests will be delivered to this thread in a queue. |
|
std::deque<DiscoveryRequest> requests; |
|
bool stream_closed = false; |
|
std::thread reader(std::bind(&RpcService::BlockingRead, this, stream, |
|
&requests, &stream_closed)); |
|
// Main loop to process requests and updates. |
|
while (true) { |
|
// Boolean to keep track if the loop received any work to do: a |
|
// request or an update; regardless whether a response was actually |
|
// sent out. |
|
bool did_work = false; |
|
// Look for new requests and and decide what to handle. |
|
absl::optional<DiscoveryResponse> response; |
|
{ |
|
grpc_core::MutexLock lock(&parent_->ads_mu_); |
|
// If the stream has been closed or our parent is being shut |
|
// down, stop immediately. |
|
if (stream_closed || parent_->ads_done_) break; |
|
// Otherwise, see if there's a request to read from the queue. |
|
if (!requests.empty()) { |
|
DiscoveryRequest request = std::move(requests.front()); |
|
requests.pop_front(); |
|
did_work = true; |
|
gpr_log(GPR_INFO, |
|
"ADS[%p]: Received request for type %s with content %s", |
|
this, request.type_url().c_str(), |
|
request.DebugString().c_str()); |
|
const std::string v3_resource_type = |
|
TypeUrlToV3(request.type_url()); |
|
SentState& sent_state = sent_state_map[v3_resource_type]; |
|
// Process request. |
|
ProcessRequest(request, v3_resource_type, &update_queue, |
|
&subscription_map, &sent_state, &response); |
|
} |
|
} |
|
if (response.has_value()) { |
|
gpr_log(GPR_INFO, "ADS[%p]: Sending response: %s", this, |
|
response->DebugString().c_str()); |
|
stream->Write(response.value()); |
|
} |
|
response.reset(); |
|
// Look for updates and decide what to handle. |
|
{ |
|
grpc_core::MutexLock lock(&parent_->ads_mu_); |
|
if (!update_queue.empty()) { |
|
const std::string resource_type = |
|
std::move(update_queue.front().first); |
|
const std::string resource_name = |
|
std::move(update_queue.front().second); |
|
update_queue.pop_front(); |
|
did_work = true; |
|
SentState& sent_state = sent_state_map[resource_type]; |
|
ProcessUpdate(resource_type, resource_name, &subscription_map, |
|
&sent_state, &response); |
|
} |
|
} |
|
if (response.has_value()) { |
|
gpr_log(GPR_INFO, "ADS[%p]: Sending update response: %s", this, |
|
response->DebugString().c_str()); |
|
stream->Write(response.value()); |
|
} |
|
// If we didn't find anything to do, delay before the next loop |
|
// iteration; otherwise, check whether we should exit and then |
|
// immediately continue. |
|
gpr_timespec deadline = |
|
grpc_timeout_milliseconds_to_deadline(did_work ? 0 : 10); |
|
{ |
|
grpc_core::MutexLock lock(&parent_->ads_mu_); |
|
if (!parent_->ads_cond_.WaitUntil( |
|
&parent_->ads_mu_, [this] { return parent_->ads_done_; }, |
|
deadline)) { |
|
break; |
|
} |
|
} |
|
} |
|
// Done with main loop. Clean up before returning. |
|
// Join reader thread. |
|
reader.join(); |
|
// Clean up any subscriptions that were still active when the call |
|
// finished. |
|
{ |
|
grpc_core::MutexLock lock(&parent_->ads_mu_); |
|
for (auto& p : subscription_map) { |
|
const std::string& type_url = p.first; |
|
SubscriptionNameMap& subscription_name_map = p.second; |
|
for (auto& q : subscription_name_map) { |
|
const std::string& resource_name = q.first; |
|
SubscriptionState& subscription_state = q.second; |
|
ResourceNameMap& resource_name_map = |
|
parent_->resource_map_[type_url].resource_name_map; |
|
ResourceState& resource_state = resource_name_map[resource_name]; |
|
resource_state.subscriptions.erase(&subscription_state); |
|
} |
|
} |
|
} |
|
gpr_log(GPR_INFO, "ADS[%p]: StreamAggregatedResources done", this); |
|
parent_->RemoveClient(context->peer()); |
|
return Status::OK; |
|
} |
|
|
|
private: |
|
// Processes a response read from the client. |
|
// Populates response if needed. |
|
void ProcessRequest(const DiscoveryRequest& request, |
|
const std::string& v3_resource_type, |
|
UpdateQueue* update_queue, |
|
SubscriptionMap* subscription_map, |
|
SentState* sent_state, |
|
absl::optional<DiscoveryResponse>* response) { |
|
// Determine client resource type version. |
|
int client_resource_type_version = 0; |
|
if (!request.version_info().empty()) { |
|
GPR_ASSERT(absl::SimpleAtoi(request.version_info(), |
|
&client_resource_type_version)); |
|
} |
|
// Check the nonce sent by the client, if any. |
|
// (This will be absent on the first request on a stream.) |
|
if (request.response_nonce().empty()) { |
|
EXPECT_GE(client_resource_type_version, |
|
parent_->resource_type_min_versions_[v3_resource_type]) |
|
<< "resource_type: " << v3_resource_type; |
|
} else { |
|
int client_nonce; |
|
GPR_ASSERT(absl::SimpleAtoi(request.response_nonce(), &client_nonce)); |
|
// Ignore requests with stale nonces. |
|
if (client_nonce < sent_state->nonce) return; |
|
// Check for ACK or NACK. |
|
auto it = parent_->resource_type_response_state_.find(v3_resource_type); |
|
if (it != parent_->resource_type_response_state_.end()) { |
|
if (client_resource_type_version == |
|
sent_state->resource_type_version) { |
|
it->second.state = ResponseState::ACKED; |
|
it->second.error_message.clear(); |
|
gpr_log(GPR_INFO, |
|
"ADS[%p]: client ACKed resource_type=%s version=%s", this, |
|
request.type_url().c_str(), request.version_info().c_str()); |
|
} else { |
|
it->second.state = ResponseState::NACKED; |
|
EXPECT_EQ(request.error_detail().code(), |
|
GRPC_STATUS_INVALID_ARGUMENT); |
|
it->second.error_message = request.error_detail().message(); |
|
gpr_log(GPR_INFO, |
|
"ADS[%p]: client NACKed resource_type=%s version=%s: %s", |
|
this, request.type_url().c_str(), |
|
request.version_info().c_str(), |
|
it->second.error_message.c_str()); |
|
} |
|
} |
|
} |
|
// Ignore resource types as requested by tests. |
|
if (parent_->resource_types_to_ignore_.find(v3_resource_type) != |
|
parent_->resource_types_to_ignore_.end()) { |
|
return; |
|
} |
|
// Look at all the resource names in the request. |
|
auto& subscription_name_map = (*subscription_map)[v3_resource_type]; |
|
auto& resource_type_state = parent_->resource_map_[v3_resource_type]; |
|
auto& resource_name_map = resource_type_state.resource_name_map; |
|
std::set<std::string> resources_in_current_request; |
|
std::set<std::string> resources_added_to_response; |
|
for (const std::string& resource_name : request.resource_names()) { |
|
resources_in_current_request.emplace(resource_name); |
|
auto& subscription_state = subscription_name_map[resource_name]; |
|
auto& resource_state = resource_name_map[resource_name]; |
|
// Subscribe if needed. |
|
// Send the resource in the response if either (a) this is |
|
// a new subscription or (b) there is an updated version of |
|
// this resource to send. |
|
if (parent_->MaybeSubscribe(v3_resource_type, resource_name, |
|
&subscription_state, &resource_state, |
|
update_queue) || |
|
ClientNeedsResourceUpdate(resource_type_state, resource_state, |
|
client_resource_type_version, |
|
&subscription_state)) { |
|
gpr_log(GPR_INFO, "ADS[%p]: Sending update for type=%s name=%s", this, |
|
request.type_url().c_str(), resource_name.c_str()); |
|
resources_added_to_response.emplace(resource_name); |
|
if (!response->has_value()) response->emplace(); |
|
if (resource_state.resource.has_value()) { |
|
auto* resource = (*response)->add_resources(); |
|
resource->CopyFrom(resource_state.resource.value()); |
|
if (is_v2_) { |
|
resource->set_type_url(request.type_url()); |
|
} |
|
} |
|
} else { |
|
gpr_log(GPR_INFO, |
|
"ADS[%p]: client does not need update for type=%s name=%s", |
|
this, request.type_url().c_str(), resource_name.c_str()); |
|
} |
|
} |
|
// Process unsubscriptions for any resource no longer |
|
// present in the request's resource list. |
|
parent_->ProcessUnsubscriptions( |
|
v3_resource_type, resources_in_current_request, |
|
&subscription_name_map, &resource_name_map); |
|
// Construct response if needed. |
|
if (!resources_added_to_response.empty()) { |
|
CompleteBuildingDiscoveryResponse( |
|
v3_resource_type, request.type_url(), |
|
resource_type_state.resource_type_version, subscription_name_map, |
|
resources_added_to_response, sent_state, &response->value()); |
|
} |
|
} |
|
|
|
// Processes a resource update from the test. |
|
// Populates response if needed. |
|
void ProcessUpdate(const std::string& resource_type, |
|
const std::string& resource_name, |
|
SubscriptionMap* subscription_map, SentState* sent_state, |
|
absl::optional<DiscoveryResponse>* response) { |
|
const std::string v2_resource_type = TypeUrlToV2(resource_type); |
|
gpr_log(GPR_INFO, "ADS[%p]: Received update for type=%s name=%s", this, |
|
resource_type.c_str(), resource_name.c_str()); |
|
auto& subscription_name_map = (*subscription_map)[resource_type]; |
|
auto& resource_type_state = parent_->resource_map_[resource_type]; |
|
auto& resource_name_map = resource_type_state.resource_name_map; |
|
auto it = subscription_name_map.find(resource_name); |
|
if (it != subscription_name_map.end()) { |
|
SubscriptionState& subscription_state = it->second; |
|
ResourceState& resource_state = resource_name_map[resource_name]; |
|
if (ClientNeedsResourceUpdate(resource_type_state, resource_state, |
|
sent_state->resource_type_version, |
|
&subscription_state)) { |
|
gpr_log(GPR_INFO, "ADS[%p]: Sending update for type=%s name=%s", this, |
|
resource_type.c_str(), resource_name.c_str()); |
|
response->emplace(); |
|
if (resource_state.resource.has_value()) { |
|
auto* resource = (*response)->add_resources(); |
|
resource->CopyFrom(resource_state.resource.value()); |
|
if (is_v2_) { |
|
resource->set_type_url(v2_resource_type); |
|
} |
|
} |
|
CompleteBuildingDiscoveryResponse( |
|
resource_type, v2_resource_type, |
|
resource_type_state.resource_type_version, subscription_name_map, |
|
{resource_name}, sent_state, &response->value()); |
|
} |
|
} |
|
} |
|
|
|
// Starting a thread to do blocking read on the stream until cancel. |
|
void BlockingRead(Stream* stream, std::deque<DiscoveryRequest>* requests, |
|
bool* stream_closed) { |
|
DiscoveryRequest request; |
|
bool seen_first_request = false; |
|
while (stream->Read(&request)) { |
|
if (!seen_first_request) { |
|
EXPECT_TRUE(request.has_node()); |
|
ASSERT_FALSE(request.node().client_features().empty()); |
|
EXPECT_EQ(request.node().client_features(0), |
|
"envoy.lb.does_not_support_overprovisioning"); |
|
CheckBuildVersion(request); |
|
seen_first_request = true; |
|
} |
|
{ |
|
grpc_core::MutexLock lock(&parent_->ads_mu_); |
|
requests->emplace_back(std::move(request)); |
|
} |
|
} |
|
gpr_log(GPR_INFO, "ADS[%p]: Null read, stream closed", this); |
|
grpc_core::MutexLock lock(&parent_->ads_mu_); |
|
*stream_closed = true; |
|
} |
|
|
|
// Completing the building a DiscoveryResponse by adding common information |
|
// for all resources and by adding all subscribed resources for LDS and CDS. |
|
void CompleteBuildingDiscoveryResponse( |
|
const std::string& resource_type, const std::string& v2_resource_type, |
|
const int version, const SubscriptionNameMap& subscription_name_map, |
|
const std::set<std::string>& resources_added_to_response, |
|
SentState* sent_state, DiscoveryResponse* response) { |
|
auto& response_state = |
|
parent_->resource_type_response_state_[resource_type]; |
|
if (response_state.state == ResponseState::NOT_SENT) { |
|
response_state.state = ResponseState::SENT; |
|
} |
|
response->set_type_url(is_v2_ ? v2_resource_type : resource_type); |
|
response->set_version_info(std::to_string(version)); |
|
response->set_nonce(std::to_string(++sent_state->nonce)); |
|
if (resource_type == kLdsTypeUrl || resource_type == kCdsTypeUrl) { |
|
// For LDS and CDS we must send back all subscribed resources |
|
// (even the unchanged ones) |
|
for (const auto& p : subscription_name_map) { |
|
const std::string& resource_name = p.first; |
|
if (resources_added_to_response.find(resource_name) == |
|
resources_added_to_response.end()) { |
|
ResourceNameMap& resource_name_map = |
|
parent_->resource_map_[resource_type].resource_name_map; |
|
const ResourceState& resource_state = |
|
resource_name_map[resource_name]; |
|
if (resource_state.resource.has_value()) { |
|
auto* resource = response->add_resources(); |
|
resource->CopyFrom(resource_state.resource.value()); |
|
if (is_v2_) { |
|
resource->set_type_url(v2_resource_type); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
sent_state->resource_type_version = version; |
|
} |
|
|
|
static std::string TypeUrlToV2(const std::string& resource_type) { |
|
if (resource_type == kLdsTypeUrl) return kLdsV2TypeUrl; |
|
if (resource_type == kRdsTypeUrl) return kRdsV2TypeUrl; |
|
if (resource_type == kCdsTypeUrl) return kCdsV2TypeUrl; |
|
if (resource_type == kEdsTypeUrl) return kEdsV2TypeUrl; |
|
return resource_type; |
|
} |
|
|
|
static std::string TypeUrlToV3(const std::string& resource_type) { |
|
if (resource_type == kLdsV2TypeUrl) return kLdsTypeUrl; |
|
if (resource_type == kRdsV2TypeUrl) return kRdsTypeUrl; |
|
if (resource_type == kCdsV2TypeUrl) return kCdsTypeUrl; |
|
if (resource_type == kEdsV2TypeUrl) return kEdsTypeUrl; |
|
return resource_type; |
|
} |
|
|
|
static void CheckBuildVersion( |
|
const ::envoy::api::v2::DiscoveryRequest& request) { |
|
EXPECT_FALSE(request.node().build_version().empty()); |
|
} |
|
|
|
static void CheckBuildVersion( |
|
const ::envoy::service::discovery::v3::DiscoveryRequest& request) {} |
|
|
|
AdsServiceImpl* parent_; |
|
const bool is_v2_; |
|
}; |
|
|
|
// Checks whether the client needs to receive a newer version of |
|
// the resource. |
|
static bool ClientNeedsResourceUpdate( |
|
const ResourceTypeState& resource_type_state, |
|
const ResourceState& resource_state, int client_resource_type_version, |
|
SubscriptionState* subscription_state) { |
|
return client_resource_type_version < |
|
resource_type_state.resource_type_version && |
|
resource_state.resource_type_version <= |
|
resource_type_state.resource_type_version; |
|
} |
|
|
|
// Subscribes to a resource if not already subscribed: |
|
// 1. Sets the update_queue field in subscription_state. |
|
// 2. Adds subscription_state to resource_state->subscriptions. |
|
bool MaybeSubscribe(const std::string& resource_type, |
|
const std::string& resource_name, |
|
SubscriptionState* subscription_state, |
|
ResourceState* resource_state, |
|
UpdateQueue* update_queue) { |
|
// The update_queue will be null if we were not previously subscribed. |
|
if (subscription_state->update_queue != nullptr) return false; |
|
subscription_state->update_queue = update_queue; |
|
resource_state->subscriptions.emplace(subscription_state); |
|
gpr_log(GPR_INFO, "ADS[%p]: subscribe to resource type %s name %s state %p", |
|
this, resource_type.c_str(), resource_name.c_str(), |
|
&subscription_state); |
|
return true; |
|
} |
|
|
|
// Removes subscriptions for resources no longer present in the |
|
// current request. |
|
void ProcessUnsubscriptions( |
|
const std::string& resource_type, |
|
const std::set<std::string>& resources_in_current_request, |
|
SubscriptionNameMap* subscription_name_map, |
|
ResourceNameMap* resource_name_map) { |
|
for (auto it = subscription_name_map->begin(); |
|
it != subscription_name_map->end();) { |
|
const std::string& resource_name = it->first; |
|
SubscriptionState& subscription_state = it->second; |
|
if (resources_in_current_request.find(resource_name) != |
|
resources_in_current_request.end()) { |
|
++it; |
|
continue; |
|
} |
|
gpr_log(GPR_INFO, "ADS[%p]: Unsubscribe to type=%s name=%s state=%p", |
|
this, resource_type.c_str(), resource_name.c_str(), |
|
&subscription_state); |
|
auto resource_it = resource_name_map->find(resource_name); |
|
GPR_ASSERT(resource_it != resource_name_map->end()); |
|
auto& resource_state = resource_it->second; |
|
resource_state.subscriptions.erase(&subscription_state); |
|
if (resource_state.subscriptions.empty() && |
|
!resource_state.resource.has_value()) { |
|
resource_name_map->erase(resource_it); |
|
} |
|
it = subscription_name_map->erase(it); |
|
} |
|
} |
|
|
|
void AddClient(const std::string& client) { |
|
grpc_core::MutexLock lock(&clients_mu_); |
|
clients_.insert(client); |
|
} |
|
|
|
void RemoveClient(const std::string& client) { |
|
grpc_core::MutexLock lock(&clients_mu_); |
|
clients_.erase(client); |
|
} |
|
|
|
RpcService<::envoy::service::discovery::v2::AggregatedDiscoveryService, |
|
::envoy::api::v2::DiscoveryRequest, |
|
::envoy::api::v2::DiscoveryResponse> |
|
v2_rpc_service_; |
|
RpcService<::envoy::service::discovery::v3::AggregatedDiscoveryService, |
|
::envoy::service::discovery::v3::DiscoveryRequest, |
|
::envoy::service::discovery::v3::DiscoveryResponse> |
|
v3_rpc_service_; |
|
|
|
std::atomic_bool seen_v2_client_{false}; |
|
std::atomic_bool seen_v3_client_{false}; |
|
|
|
grpc_core::CondVar ads_cond_; |
|
// Protect the members below. |
|
grpc_core::Mutex ads_mu_; |
|
bool ads_done_ = false; |
|
std::map<std::string /* type_url */, ResponseState> |
|
resource_type_response_state_; |
|
std::set<std::string /*resource_type*/> resource_types_to_ignore_; |
|
std::map<std::string /*resource_type*/, int> resource_type_min_versions_; |
|
// An instance data member containing the current state of all resources. |
|
// Note that an entry will exist whenever either of the following is true: |
|
// - The resource exists (i.e., has been created by SetResource() and has not |
|
// yet been destroyed by UnsetResource()). |
|
// - There is at least one subscription for the resource. |
|
ResourceMap resource_map_; |
|
|
|
grpc_core::Mutex clients_mu_; |
|
std::set<std::string> clients_; |
|
}; |
|
|
|
class LrsServiceImpl : public std::enable_shared_from_this<LrsServiceImpl> { |
|
public: |
|
explicit LrsServiceImpl(int client_load_reporting_interval_seconds) |
|
: v2_rpc_service_(this), |
|
v3_rpc_service_(this), |
|
client_load_reporting_interval_seconds_( |
|
client_load_reporting_interval_seconds), |
|
cluster_names_({kDefaultClusterName}) {} |
|
|
|
::envoy::service::load_stats::v2::LoadReportingService::Service* |
|
v2_rpc_service() { |
|
return &v2_rpc_service_; |
|
} |
|
|
|
::envoy::service::load_stats::v3::LoadReportingService::Service* |
|
v3_rpc_service() { |
|
return &v3_rpc_service_; |
|
} |
|
|
|
size_t request_count() { |
|
return v2_rpc_service_.request_count() + v3_rpc_service_.request_count(); |
|
} |
|
|
|
size_t response_count() { |
|
return v2_rpc_service_.response_count() + v3_rpc_service_.response_count(); |
|
} |
|
|
|
// Must be called before the LRS call is started. |
|
void set_send_all_clusters(bool send_all_clusters) { |
|
send_all_clusters_ = send_all_clusters; |
|
} |
|
void set_cluster_names(const std::set<std::string>& cluster_names) { |
|
cluster_names_ = cluster_names; |
|
} |
|
|
|
void Start() { |
|
lrs_done_ = false; |
|
result_queue_.clear(); |
|
} |
|
|
|
void Shutdown() { |
|
{ |
|
grpc_core::MutexLock lock(&lrs_mu_); |
|
NotifyDoneWithLrsCallLocked(); |
|
} |
|
gpr_log(GPR_INFO, "LRS[%p]: shut down", this); |
|
} |
|
|
|
std::vector<ClientStats> WaitForLoadReport() { |
|
grpc_core::MutexLock lock(&load_report_mu_); |
|
grpc_core::CondVar cv; |
|
if (result_queue_.empty()) { |
|
load_report_cond_ = &cv; |
|
load_report_cond_->WaitUntil(&load_report_mu_, |
|
[this] { return !result_queue_.empty(); }); |
|
load_report_cond_ = nullptr; |
|
} |
|
std::vector<ClientStats> result = std::move(result_queue_.front()); |
|
result_queue_.pop_front(); |
|
return result; |
|
} |
|
|
|
void NotifyDoneWithLrsCall() { |
|
grpc_core::MutexLock lock(&lrs_mu_); |
|
NotifyDoneWithLrsCallLocked(); |
|
} |
|
|
|
private: |
|
template <class RpcApi, class LoadStatsRequest, class LoadStatsResponse> |
|
class RpcService : public CountedService<typename RpcApi::Service> { |
|
public: |
|
using Stream = ServerReaderWriter<LoadStatsResponse, LoadStatsRequest>; |
|
|
|
explicit RpcService(LrsServiceImpl* parent) : parent_(parent) {} |
|
|
|
Status StreamLoadStats(ServerContext* /*context*/, |
|
Stream* stream) override { |
|
gpr_log(GPR_INFO, "LRS[%p]: StreamLoadStats starts", this); |
|
EXPECT_GT(parent_->client_load_reporting_interval_seconds_, 0); |
|
// Take a reference of the LrsServiceImpl object, reference will go |
|
// out of scope after this method exits. |
|
std::shared_ptr<LrsServiceImpl> lrs_service_impl = |
|
parent_->shared_from_this(); |
|
// Read initial request. |
|
LoadStatsRequest request; |
|
if (stream->Read(&request)) { |
|
CountedService<typename RpcApi::Service>::IncreaseRequestCount(); |
|
// Verify client features. |
|
EXPECT_THAT( |
|
request.node().client_features(), |
|
::testing::Contains("envoy.lrs.supports_send_all_clusters")); |
|
// Send initial response. |
|
LoadStatsResponse response; |
|
if (parent_->send_all_clusters_) { |
|
response.set_send_all_clusters(true); |
|
} else { |
|
for (const std::string& cluster_name : parent_->cluster_names_) { |
|
response.add_clusters(cluster_name); |
|
} |
|
} |
|
response.mutable_load_reporting_interval()->set_seconds( |
|
parent_->client_load_reporting_interval_seconds_); |
|
stream->Write(response); |
|
CountedService<typename RpcApi::Service>::IncreaseResponseCount(); |
|
// Wait for report. |
|
request.Clear(); |
|
while (stream->Read(&request)) { |
|
gpr_log(GPR_INFO, "LRS[%p]: received client load report message: %s", |
|
this, request.DebugString().c_str()); |
|
std::vector<ClientStats> stats; |
|
for (const auto& cluster_stats : request.cluster_stats()) { |
|
stats.emplace_back(cluster_stats); |
|
} |
|
grpc_core::MutexLock lock(&parent_->load_report_mu_); |
|
parent_->result_queue_.emplace_back(std::move(stats)); |
|
if (parent_->load_report_cond_ != nullptr) { |
|
parent_->load_report_cond_->Signal(); |
|
} |
|
} |
|
// Wait until notified done. |
|
grpc_core::MutexLock lock(&parent_->lrs_mu_); |
|
parent_->lrs_cv_.WaitUntil(&parent_->lrs_mu_, |
|
[this] { return parent_->lrs_done_; }); |
|
} |
|
gpr_log(GPR_INFO, "LRS[%p]: StreamLoadStats done", this); |
|
return Status::OK; |
|
} |
|
|
|
private: |
|
LrsServiceImpl* parent_; |
|
}; |
|
|
|
void NotifyDoneWithLrsCallLocked() { |
|
if (!lrs_done_) { |
|
lrs_done_ = true; |
|
lrs_cv_.Broadcast(); |
|
} |
|
} |
|
|
|
RpcService<::envoy::service::load_stats::v2::LoadReportingService, |
|
::envoy::service::load_stats::v2::LoadStatsRequest, |
|
::envoy::service::load_stats::v2::LoadStatsResponse> |
|
v2_rpc_service_; |
|
RpcService<::envoy::service::load_stats::v3::LoadReportingService, |
|
::envoy::service::load_stats::v3::LoadStatsRequest, |
|
::envoy::service::load_stats::v3::LoadStatsResponse> |
|
v3_rpc_service_; |
|
|
|
const int client_load_reporting_interval_seconds_; |
|
bool send_all_clusters_ = false; |
|
std::set<std::string> cluster_names_; |
|
|
|
grpc_core::CondVar lrs_cv_; |
|
grpc_core::Mutex lrs_mu_; // Protects lrs_done_. |
|
bool lrs_done_ = false; |
|
|
|
grpc_core::Mutex load_report_mu_; // Protects the members below. |
|
grpc_core::CondVar* load_report_cond_ = nullptr; |
|
std::deque<std::vector<ClientStats>> result_queue_; |
|
}; |
|
|
|
class TestType { |
|
public: |
|
TestType(bool use_xds_resolver, bool enable_load_reporting, |
|
bool enable_rds_testing = false, bool use_v2 = false, |
|
bool use_xds_credentials = false) |
|
: use_xds_resolver_(use_xds_resolver), |
|
enable_load_reporting_(enable_load_reporting), |
|
enable_rds_testing_(enable_rds_testing), |
|
use_v2_(use_v2), |
|
use_xds_credentials_(use_xds_credentials) {} |
|
|
|
bool use_xds_resolver() const { return use_xds_resolver_; } |
|
bool enable_load_reporting() const { return enable_load_reporting_; } |
|
bool enable_rds_testing() const { return enable_rds_testing_; } |
|
bool use_v2() const { return use_v2_; } |
|
bool use_xds_credentials() const { return use_xds_credentials_; } |
|
|
|
std::string AsString() const { |
|
std::string retval = (use_xds_resolver_ ? "XdsResolver" : "FakeResolver"); |
|
retval += (use_v2_ ? "V2" : "V3"); |
|
if (enable_load_reporting_) retval += "WithLoadReporting"; |
|
if (enable_rds_testing_) retval += "Rds"; |
|
if (use_xds_credentials_) retval += "XdsCreds"; |
|
return retval; |
|
} |
|
|
|
private: |
|
const bool use_xds_resolver_; |
|
const bool enable_load_reporting_; |
|
const bool enable_rds_testing_; |
|
const bool use_v2_; |
|
const bool use_xds_credentials_; |
|
}; |
|
|
|
std::string ReadFile(const char* file_path) { |
|
grpc_slice slice; |
|
GPR_ASSERT( |
|
GRPC_LOG_IF_ERROR("load_file", grpc_load_file(file_path, 0, &slice))); |
|
std::string file_contents(grpc_core::StringViewFromSlice(slice)); |
|
grpc_slice_unref(slice); |
|
return file_contents; |
|
} |
|
|
|
grpc_core::PemKeyCertPairList ReadTlsIdentityPair(const char* key_path, |
|
const char* cert_path) { |
|
return grpc_core::PemKeyCertPairList{ |
|
grpc_core::PemKeyCertPair(ReadFile(key_path), ReadFile(cert_path))}; |
|
} |
|
|
|
// Based on StaticDataCertificateProvider, but provides alternate certificates |
|
// if the certificate name is not empty. |
|
class FakeCertificateProvider final : public grpc_tls_certificate_provider { |
|
public: |
|
struct CertData { |
|
std::string root_certificate; |
|
grpc_core::PemKeyCertPairList identity_key_cert_pairs; |
|
}; |
|
|
|
using CertDataMap = std::map<std::string /*cert_name */, CertData>; |
|
|
|
explicit FakeCertificateProvider(CertDataMap cert_data_map) |
|
: distributor_( |
|
grpc_core::MakeRefCounted<grpc_tls_certificate_distributor>()), |
|
cert_data_map_(std::move(cert_data_map)) { |
|
distributor_->SetWatchStatusCallback([this](std::string cert_name, |
|
bool root_being_watched, |
|
bool identity_being_watched) { |
|
if (!root_being_watched && !identity_being_watched) return; |
|
auto it = cert_data_map_.find(cert_name); |
|
if (it == cert_data_map_.end()) { |
|
grpc_error* error = GRPC_ERROR_CREATE_FROM_COPIED_STRING( |
|
absl::StrCat("No certificates available for cert_name \"", |
|
cert_name, "\"") |
|
.c_str()); |
|
distributor_->SetErrorForCert(cert_name, GRPC_ERROR_REF(error), |
|
GRPC_ERROR_REF(error)); |
|
GRPC_ERROR_UNREF(error); |
|
} else { |
|
absl::optional<std::string> root_certificate; |
|
absl::optional<grpc_core::PemKeyCertPairList> pem_key_cert_pairs; |
|
if (root_being_watched) { |
|
root_certificate = it->second.root_certificate; |
|
} |
|
if (identity_being_watched) { |
|
pem_key_cert_pairs = it->second.identity_key_cert_pairs; |
|
} |
|
distributor_->SetKeyMaterials(cert_name, std::move(root_certificate), |
|
std::move(pem_key_cert_pairs)); |
|
} |
|
}); |
|
} |
|
|
|
~FakeCertificateProvider() override { |
|
distributor_->SetWatchStatusCallback(nullptr); |
|
} |
|
|
|
grpc_core::RefCountedPtr<grpc_tls_certificate_distributor> distributor() |
|
const override { |
|
return distributor_; |
|
} |
|
|
|
private: |
|
grpc_core::RefCountedPtr<grpc_tls_certificate_distributor> distributor_; |
|
CertDataMap cert_data_map_; |
|
}; |
|
|
|
class FakeCertificateProviderFactory |
|
: public grpc_core::CertificateProviderFactory { |
|
public: |
|
class Config : public grpc_core::CertificateProviderFactory::Config { |
|
public: |
|
explicit Config(const char* name) : name_(name) {} |
|
|
|
const char* name() const override { return name_; } |
|
|
|
std::string ToString() const override { return "{}"; } |
|
|
|
private: |
|
const char* name_; |
|
}; |
|
|
|
FakeCertificateProviderFactory( |
|
const char* name, FakeCertificateProvider::CertDataMap** cert_data_map) |
|
: name_(name), cert_data_map_(cert_data_map) { |
|
GPR_ASSERT(cert_data_map != nullptr); |
|
} |
|
|
|
const char* name() const override { return name_; } |
|
|
|
grpc_core::RefCountedPtr<grpc_core::CertificateProviderFactory::Config> |
|
CreateCertificateProviderConfig(const grpc_core::Json& config_json, |
|
grpc_error** error) override { |
|
return grpc_core::MakeRefCounted<Config>(name_); |
|
} |
|
|
|
grpc_core::RefCountedPtr<grpc_tls_certificate_provider> |
|
CreateCertificateProvider( |
|
grpc_core::RefCountedPtr<grpc_core::CertificateProviderFactory::Config> |
|
config) override { |
|
if (*cert_data_map_ == nullptr) return nullptr; |
|
return grpc_core::MakeRefCounted<FakeCertificateProvider>(**cert_data_map_); |
|
} |
|
|
|
private: |
|
const char* name_; |
|
FakeCertificateProvider::CertDataMap** cert_data_map_; |
|
}; |
|
|
|
// Global variables for each provider. |
|
FakeCertificateProvider::CertDataMap* g_fake1_cert_data_map = nullptr; |
|
FakeCertificateProvider::CertDataMap* g_fake2_cert_data_map = nullptr; |
|
|
|
int ServerAuthCheckSchedule(void* /* config_user_data */, |
|
grpc_tls_server_authorization_check_arg* arg) { |
|
arg->success = 1; |
|
arg->status = GRPC_STATUS_OK; |
|
return 0; /* synchronous check */ |
|
} |
|
|
|
std::shared_ptr<ChannelCredentials> CreateTlsFallbackCredentials() { |
|
// TODO(yashykt): Switch to using C++ API once b/173823806 is fixed. |
|
grpc_tls_credentials_options* options = grpc_tls_credentials_options_create(); |
|
grpc_tls_credentials_options_set_server_verification_option( |
|
options, GRPC_TLS_SKIP_HOSTNAME_VERIFICATION); |
|
grpc_tls_credentials_options_set_certificate_provider( |
|
options, |
|
grpc_core::MakeRefCounted<grpc_core::StaticDataCertificateProvider>( |
|
ReadFile(kCaCertPath), |
|
ReadTlsIdentityPair(kServerKeyPath, kServerCertPath)) |
|
.get()); |
|
grpc_tls_credentials_options_watch_root_certs(options); |
|
grpc_tls_credentials_options_watch_identity_key_cert_pairs(options); |
|
grpc_tls_server_authorization_check_config* check_config = |
|
grpc_tls_server_authorization_check_config_create( |
|
nullptr, ServerAuthCheckSchedule, nullptr, nullptr); |
|
grpc_tls_credentials_options_set_server_authorization_check_config( |
|
options, check_config); |
|
auto channel_creds = std::make_shared<SecureChannelCredentials>( |
|
grpc_tls_credentials_create(options)); |
|
grpc_tls_server_authorization_check_config_release(check_config); |
|
return channel_creds; |
|
} |
|
|
|
class XdsEnd2endTest : public ::testing::TestWithParam<TestType> { |
|
protected: |
|
XdsEnd2endTest(size_t num_backends, size_t num_balancers, |
|
int client_load_reporting_interval_seconds = 100) |
|
: num_backends_(num_backends), |
|
num_balancers_(num_balancers), |
|
client_load_reporting_interval_seconds_( |
|
client_load_reporting_interval_seconds) {} |
|
|
|
static void SetUpTestCase() { |
|
// Make the backup poller poll very frequently in order to pick up |
|
// updates from all the subchannels's FDs. |
|
GPR_GLOBAL_CONFIG_SET(grpc_client_channel_backup_poll_interval_ms, 1); |
|
#if TARGET_OS_IPHONE |
|
// Workaround Apple CFStream bug |
|
gpr_setenv("grpc_cfstream", "0"); |
|
#endif |
|
grpc_init(); |
|
} |
|
|
|
static void TearDownTestCase() { grpc_shutdown(); } |
|
|
|
void SetUp() override { |
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_V3_SUPPORT", "true"); |
|
gpr_setenv("GRPC_XDS_BOOTSTRAP", |
|
GetParam().use_v2() ? g_bootstrap_file_v2 : g_bootstrap_file_v3); |
|
g_port_saver->Reset(); |
|
bool localhost_resolves_to_ipv4 = false; |
|
bool localhost_resolves_to_ipv6 = false; |
|
grpc_core::LocalhostResolves(&localhost_resolves_to_ipv4, |
|
&localhost_resolves_to_ipv6); |
|
ipv6_only_ = !localhost_resolves_to_ipv4 && localhost_resolves_to_ipv6; |
|
response_generator_ = |
|
grpc_core::MakeRefCounted<grpc_core::FakeResolverResponseGenerator>(); |
|
// Inject xDS channel response generator. |
|
lb_channel_response_generator_ = |
|
grpc_core::MakeRefCounted<grpc_core::FakeResolverResponseGenerator>(); |
|
xds_channel_args_to_add_.emplace_back( |
|
grpc_core::FakeResolverResponseGenerator::MakeChannelArg( |
|
lb_channel_response_generator_.get())); |
|
if (xds_resource_does_not_exist_timeout_ms_ > 0) { |
|
xds_channel_args_to_add_.emplace_back(grpc_channel_arg_integer_create( |
|
const_cast<char*>(GRPC_ARG_XDS_RESOURCE_DOES_NOT_EXIST_TIMEOUT_MS), |
|
xds_resource_does_not_exist_timeout_ms_)); |
|
} |
|
xds_channel_args_.num_args = xds_channel_args_to_add_.size(); |
|
xds_channel_args_.args = xds_channel_args_to_add_.data(); |
|
grpc_core::internal::SetXdsChannelArgsForTest(&xds_channel_args_); |
|
// Make sure each test creates a new XdsClient instance rather than |
|
// reusing the one from the previous test. This avoids spurious failures |
|
// caused when a load reporting test runs after a non-load reporting test |
|
// and the XdsClient is still talking to the old LRS server, which fails |
|
// because it's not expecting the client to connect. It also |
|
// ensures that each test can independently set the global channel |
|
// args for the xDS channel. |
|
grpc_core::internal::UnsetGlobalXdsClientForTest(); |
|
// Initialize default xDS resources. |
|
// Construct LDS resource. |
|
default_listener_.set_name(kServerName); |
|
// Construct RDS resource. |
|
default_route_config_.set_name(kDefaultRouteConfigurationName); |
|
auto* virtual_host = default_route_config_.add_virtual_hosts(); |
|
virtual_host->add_domains("*"); |
|
auto* route = virtual_host->add_routes(); |
|
route->mutable_match()->set_prefix(""); |
|
route->mutable_route()->set_cluster(kDefaultClusterName); |
|
// Construct CDS resource. |
|
default_cluster_.set_name(kDefaultClusterName); |
|
default_cluster_.set_type(Cluster::EDS); |
|
auto* eds_config = default_cluster_.mutable_eds_cluster_config(); |
|
eds_config->mutable_eds_config()->mutable_ads(); |
|
eds_config->set_service_name(kDefaultEdsServiceName); |
|
default_cluster_.set_lb_policy(Cluster::ROUND_ROBIN); |
|
if (GetParam().enable_load_reporting()) { |
|
default_cluster_.mutable_lrs_server()->mutable_self(); |
|
} |
|
// Start the backends. |
|
for (size_t i = 0; i < num_backends_; ++i) { |
|
backends_.emplace_back(new BackendServerThread); |
|
backends_.back()->Start(); |
|
} |
|
// Start the load balancers. |
|
for (size_t i = 0; i < num_balancers_; ++i) { |
|
balancers_.emplace_back( |
|
new BalancerServerThread(GetParam().enable_load_reporting() |
|
? client_load_reporting_interval_seconds_ |
|
: 0)); |
|
balancers_.back()->Start(); |
|
// Initialize resources. |
|
SetListenerAndRouteConfiguration(i, default_listener_, |
|
default_route_config_); |
|
balancers_.back()->ads_service()->SetCdsResource(default_cluster_); |
|
} |
|
ResetStub(); |
|
} |
|
|
|
const char* DefaultEdsServiceName() const { |
|
return GetParam().use_xds_resolver() ? kDefaultEdsServiceName : kServerName; |
|
} |
|
|
|
void TearDown() override { |
|
ShutdownAllBackends(); |
|
for (auto& balancer : balancers_) balancer->Shutdown(); |
|
// Clear global xDS channel args, since they will go out of scope |
|
// when this test object is destroyed. |
|
grpc_core::internal::SetXdsChannelArgsForTest(nullptr); |
|
} |
|
|
|
void StartAllBackends() { |
|
for (auto& backend : backends_) backend->Start(); |
|
} |
|
|
|
void StartBackend(size_t index) { backends_[index]->Start(); } |
|
|
|
void ShutdownAllBackends() { |
|
for (auto& backend : backends_) backend->Shutdown(); |
|
} |
|
|
|
void ShutdownBackend(size_t index) { backends_[index]->Shutdown(); } |
|
|
|
void ResetStub(int failover_timeout = 0) { |
|
channel_ = CreateChannel(failover_timeout); |
|
stub_ = grpc::testing::EchoTestService::NewStub(channel_); |
|
stub1_ = grpc::testing::EchoTest1Service::NewStub(channel_); |
|
stub2_ = grpc::testing::EchoTest2Service::NewStub(channel_); |
|
} |
|
|
|
std::shared_ptr<Channel> CreateChannel( |
|
int failover_timeout = 0, const char* server_name = kServerName, |
|
grpc_core::FakeResolverResponseGenerator* response_generator = nullptr) { |
|
ChannelArguments args; |
|
if (failover_timeout > 0) { |
|
args.SetInt(GRPC_ARG_PRIORITY_FAILOVER_TIMEOUT_MS, failover_timeout); |
|
} |
|
// If the parent channel is using the fake resolver, we inject the |
|
// response generator here. |
|
if (!GetParam().use_xds_resolver()) { |
|
if (response_generator == nullptr) { |
|
response_generator = response_generator_.get(); |
|
} |
|
args.SetPointer(GRPC_ARG_FAKE_RESOLVER_RESPONSE_GENERATOR, |
|
response_generator); |
|
} |
|
std::string uri = absl::StrCat( |
|
GetParam().use_xds_resolver() ? "xds" : "fake", ":///", server_name); |
|
std::shared_ptr<ChannelCredentials> channel_creds = |
|
GetParam().use_xds_credentials() |
|
? experimental::XdsCredentials(CreateTlsFallbackCredentials()) |
|
: std::make_shared<SecureChannelCredentials>( |
|
grpc_fake_transport_security_credentials_create()); |
|
return ::grpc::CreateCustomChannel(uri, channel_creds, args); |
|
} |
|
|
|
enum RpcService { |
|
SERVICE_ECHO, |
|
SERVICE_ECHO1, |
|
SERVICE_ECHO2, |
|
}; |
|
|
|
enum RpcMethod { |
|
METHOD_ECHO, |
|
METHOD_ECHO1, |
|
METHOD_ECHO2, |
|
}; |
|
|
|
struct RpcOptions { |
|
RpcService service = SERVICE_ECHO; |
|
RpcMethod method = METHOD_ECHO; |
|
int timeout_ms = 1000; |
|
bool wait_for_ready = false; |
|
bool server_fail = false; |
|
std::vector<std::pair<std::string, std::string>> metadata; |
|
|
|
RpcOptions() {} |
|
|
|
RpcOptions& set_rpc_service(RpcService rpc_service) { |
|
service = rpc_service; |
|
return *this; |
|
} |
|
|
|
RpcOptions& set_rpc_method(RpcMethod rpc_method) { |
|
method = rpc_method; |
|
return *this; |
|
} |
|
|
|
RpcOptions& set_timeout_ms(int rpc_timeout_ms) { |
|
timeout_ms = rpc_timeout_ms; |
|
return *this; |
|
} |
|
|
|
RpcOptions& set_wait_for_ready(bool rpc_wait_for_ready) { |
|
wait_for_ready = rpc_wait_for_ready; |
|
return *this; |
|
} |
|
|
|
RpcOptions& set_server_fail(bool rpc_server_fail) { |
|
server_fail = rpc_server_fail; |
|
return *this; |
|
} |
|
|
|
RpcOptions& set_metadata( |
|
std::vector<std::pair<std::string, std::string>> rpc_metadata) { |
|
metadata = std::move(rpc_metadata); |
|
return *this; |
|
} |
|
}; |
|
|
|
template <typename Stub> |
|
Status SendRpcMethod(Stub* stub, const RpcOptions& rpc_options, |
|
ClientContext* context, EchoRequest& request, |
|
EchoResponse* response) { |
|
switch (rpc_options.method) { |
|
case METHOD_ECHO: |
|
return (*stub)->Echo(context, request, response); |
|
case METHOD_ECHO1: |
|
return (*stub)->Echo1(context, request, response); |
|
case METHOD_ECHO2: |
|
return (*stub)->Echo2(context, request, response); |
|
} |
|
} |
|
|
|
void ResetBackendCounters(size_t start_index = 0, size_t stop_index = 0) { |
|
if (stop_index == 0) stop_index = backends_.size(); |
|
for (size_t i = start_index; i < stop_index; ++i) { |
|
backends_[i]->backend_service()->ResetCounters(); |
|
backends_[i]->backend_service1()->ResetCounters(); |
|
backends_[i]->backend_service2()->ResetCounters(); |
|
} |
|
} |
|
|
|
bool SeenAllBackends(size_t start_index = 0, size_t stop_index = 0, |
|
const RpcOptions& rpc_options = RpcOptions()) { |
|
if (stop_index == 0) stop_index = backends_.size(); |
|
for (size_t i = start_index; i < stop_index; ++i) { |
|
switch (rpc_options.service) { |
|
case SERVICE_ECHO: |
|
if (backends_[i]->backend_service()->request_count() == 0) { |
|
return false; |
|
} |
|
break; |
|
case SERVICE_ECHO1: |
|
if (backends_[i]->backend_service1()->request_count() == 0) { |
|
return false; |
|
} |
|
break; |
|
case SERVICE_ECHO2: |
|
if (backends_[i]->backend_service2()->request_count() == 0) { |
|
return false; |
|
} |
|
break; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
void SendRpcAndCount(int* num_total, int* num_ok, int* num_failure, |
|
int* num_drops, |
|
const RpcOptions& rpc_options = RpcOptions()) { |
|
const Status status = SendRpc(rpc_options); |
|
if (status.ok()) { |
|
++*num_ok; |
|
} else { |
|
if (status.error_message() == "Call dropped by load balancing policy") { |
|
++*num_drops; |
|
} else { |
|
++*num_failure; |
|
} |
|
} |
|
++*num_total; |
|
} |
|
|
|
std::tuple<int, int, int> WaitForAllBackends( |
|
size_t start_index = 0, size_t stop_index = 0, bool reset_counters = true, |
|
const RpcOptions& rpc_options = RpcOptions(), |
|
bool allow_failures = false) { |
|
int num_ok = 0; |
|
int num_failure = 0; |
|
int num_drops = 0; |
|
int num_total = 0; |
|
while (!SeenAllBackends(start_index, stop_index, rpc_options)) { |
|
SendRpcAndCount(&num_total, &num_ok, &num_failure, &num_drops, |
|
rpc_options); |
|
} |
|
if (reset_counters) ResetBackendCounters(); |
|
gpr_log(GPR_INFO, |
|
"Performed %d warm up requests against the backends. " |
|
"%d succeeded, %d failed, %d dropped.", |
|
num_total, num_ok, num_failure, num_drops); |
|
if (!allow_failures) EXPECT_EQ(num_failure, 0); |
|
return std::make_tuple(num_ok, num_failure, num_drops); |
|
} |
|
|
|
void WaitForBackend(size_t backend_idx, bool reset_counters = true, |
|
bool require_success = false) { |
|
gpr_log(GPR_INFO, "========= WAITING FOR BACKEND %lu ==========", |
|
static_cast<unsigned long>(backend_idx)); |
|
do { |
|
Status status = SendRpc(); |
|
if (require_success) { |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
} |
|
} while (backends_[backend_idx]->backend_service()->request_count() == 0); |
|
if (reset_counters) ResetBackendCounters(); |
|
gpr_log(GPR_INFO, "========= BACKEND %lu READY ==========", |
|
static_cast<unsigned long>(backend_idx)); |
|
} |
|
|
|
grpc_core::ServerAddressList CreateAddressListFromPortList( |
|
const std::vector<int>& ports) { |
|
grpc_core::ServerAddressList addresses; |
|
for (int port : ports) { |
|
absl::StatusOr<grpc_core::URI> lb_uri = grpc_core::URI::Parse( |
|
absl::StrCat(ipv6_only_ ? "ipv6:[::1]:" : "ipv4:127.0.0.1:", port)); |
|
GPR_ASSERT(lb_uri.ok()); |
|
grpc_resolved_address address; |
|
GPR_ASSERT(grpc_parse_uri(*lb_uri, &address)); |
|
addresses.emplace_back(address.addr, address.len, nullptr); |
|
} |
|
return addresses; |
|
} |
|
|
|
void SetNextResolution( |
|
const std::vector<int>& ports, |
|
grpc_core::FakeResolverResponseGenerator* response_generator = nullptr) { |
|
if (GetParam().use_xds_resolver()) return; // Not used with xds resolver. |
|
grpc_core::ExecCtx exec_ctx; |
|
grpc_core::Resolver::Result result; |
|
result.addresses = CreateAddressListFromPortList(ports); |
|
grpc_error* error = GRPC_ERROR_NONE; |
|
const char* service_config_json = |
|
GetParam().enable_load_reporting() |
|
? kDefaultServiceConfig |
|
: kDefaultServiceConfigWithoutLoadReporting; |
|
result.service_config = |
|
grpc_core::ServiceConfig::Create(nullptr, service_config_json, &error); |
|
ASSERT_EQ(error, GRPC_ERROR_NONE) << grpc_error_string(error); |
|
ASSERT_NE(result.service_config.get(), nullptr); |
|
if (response_generator == nullptr) { |
|
response_generator = response_generator_.get(); |
|
} |
|
response_generator->SetResponse(std::move(result)); |
|
} |
|
|
|
void SetNextResolutionForLbChannelAllBalancers( |
|
const char* service_config_json = nullptr, |
|
const char* expected_targets = nullptr) { |
|
std::vector<int> ports; |
|
for (size_t i = 0; i < balancers_.size(); ++i) { |
|
ports.emplace_back(balancers_[i]->port()); |
|
} |
|
SetNextResolutionForLbChannel(ports, service_config_json, expected_targets); |
|
} |
|
|
|
void SetNextResolutionForLbChannel(const std::vector<int>& ports, |
|
const char* service_config_json = nullptr, |
|
const char* expected_targets = nullptr) { |
|
grpc_core::ExecCtx exec_ctx; |
|
grpc_core::Resolver::Result result; |
|
result.addresses = CreateAddressListFromPortList(ports); |
|
if (service_config_json != nullptr) { |
|
grpc_error* error = GRPC_ERROR_NONE; |
|
result.service_config = grpc_core::ServiceConfig::Create( |
|
nullptr, service_config_json, &error); |
|
ASSERT_NE(result.service_config.get(), nullptr); |
|
ASSERT_EQ(error, GRPC_ERROR_NONE) << grpc_error_string(error); |
|
} |
|
if (expected_targets != nullptr) { |
|
grpc_arg expected_targets_arg = grpc_channel_arg_string_create( |
|
const_cast<char*>(GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS), |
|
const_cast<char*>(expected_targets)); |
|
result.args = |
|
grpc_channel_args_copy_and_add(nullptr, &expected_targets_arg, 1); |
|
} |
|
lb_channel_response_generator_->SetResponse(std::move(result)); |
|
} |
|
|
|
void SetNextReresolutionResponse(const std::vector<int>& ports) { |
|
grpc_core::ExecCtx exec_ctx; |
|
grpc_core::Resolver::Result result; |
|
result.addresses = CreateAddressListFromPortList(ports); |
|
response_generator_->SetReresolutionResponse(std::move(result)); |
|
} |
|
|
|
const std::vector<int> GetBackendPorts(size_t start_index = 0, |
|
size_t stop_index = 0) const { |
|
if (stop_index == 0) stop_index = backends_.size(); |
|
std::vector<int> backend_ports; |
|
for (size_t i = start_index; i < stop_index; ++i) { |
|
backend_ports.push_back(backends_[i]->port()); |
|
} |
|
return backend_ports; |
|
} |
|
|
|
Status SendRpc(const RpcOptions& rpc_options = RpcOptions(), |
|
EchoResponse* response = nullptr) { |
|
const bool local_response = (response == nullptr); |
|
if (local_response) response = new EchoResponse; |
|
EchoRequest request; |
|
ClientContext context; |
|
for (const auto& metadata : rpc_options.metadata) { |
|
context.AddMetadata(metadata.first, metadata.second); |
|
} |
|
if (rpc_options.timeout_ms != 0) { |
|
context.set_deadline( |
|
grpc_timeout_milliseconds_to_deadline(rpc_options.timeout_ms)); |
|
} |
|
if (rpc_options.wait_for_ready) context.set_wait_for_ready(true); |
|
request.set_message(kRequestMessage); |
|
if (rpc_options.server_fail) { |
|
request.mutable_param()->mutable_expected_error()->set_code( |
|
GRPC_STATUS_FAILED_PRECONDITION); |
|
} |
|
Status status; |
|
switch (rpc_options.service) { |
|
case SERVICE_ECHO: |
|
status = |
|
SendRpcMethod(&stub_, rpc_options, &context, request, response); |
|
break; |
|
case SERVICE_ECHO1: |
|
status = |
|
SendRpcMethod(&stub1_, rpc_options, &context, request, response); |
|
break; |
|
case SERVICE_ECHO2: |
|
status = |
|
SendRpcMethod(&stub2_, rpc_options, &context, request, response); |
|
break; |
|
} |
|
if (local_response) delete response; |
|
return status; |
|
} |
|
|
|
void CheckRpcSendOk(const size_t times = 1, |
|
const RpcOptions& rpc_options = RpcOptions()) { |
|
for (size_t i = 0; i < times; ++i) { |
|
EchoResponse response; |
|
const Status status = SendRpc(rpc_options, &response); |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
EXPECT_EQ(response.message(), kRequestMessage); |
|
} |
|
} |
|
|
|
void CheckRpcSendFailure( |
|
const size_t times = 1, const RpcOptions& rpc_options = RpcOptions(), |
|
const StatusCode expected_error_code = StatusCode::OK) { |
|
for (size_t i = 0; i < times; ++i) { |
|
const Status status = SendRpc(rpc_options); |
|
EXPECT_FALSE(status.ok()); |
|
if (expected_error_code != StatusCode::OK) { |
|
EXPECT_EQ(expected_error_code, status.error_code()); |
|
} |
|
} |
|
} |
|
|
|
static Listener BuildListener(const RouteConfiguration& route_config) { |
|
HttpConnectionManager http_connection_manager; |
|
*(http_connection_manager.mutable_route_config()) = route_config; |
|
Listener listener; |
|
listener.set_name(kServerName); |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
return listener; |
|
} |
|
|
|
ClusterLoadAssignment BuildEdsResource( |
|
const AdsServiceImpl::EdsResourceArgs& args, |
|
const char* eds_service_name = kDefaultEdsServiceName) { |
|
ClusterLoadAssignment assignment; |
|
assignment.set_cluster_name(eds_service_name); |
|
for (const auto& locality : args.locality_list) { |
|
auto* endpoints = assignment.add_endpoints(); |
|
endpoints->mutable_load_balancing_weight()->set_value(locality.lb_weight); |
|
endpoints->set_priority(locality.priority); |
|
endpoints->mutable_locality()->set_region(kDefaultLocalityRegion); |
|
endpoints->mutable_locality()->set_zone(kDefaultLocalityZone); |
|
endpoints->mutable_locality()->set_sub_zone(locality.sub_zone); |
|
for (size_t i = 0; i < locality.ports.size(); ++i) { |
|
const int& port = locality.ports[i]; |
|
auto* lb_endpoints = endpoints->add_lb_endpoints(); |
|
if (locality.health_statuses.size() > i && |
|
locality.health_statuses[i] != HealthStatus::UNKNOWN) { |
|
lb_endpoints->set_health_status(locality.health_statuses[i]); |
|
} |
|
auto* endpoint = lb_endpoints->mutable_endpoint(); |
|
auto* address = endpoint->mutable_address(); |
|
auto* socket_address = address->mutable_socket_address(); |
|
socket_address->set_address(ipv6_only_ ? "::1" : "127.0.0.1"); |
|
socket_address->set_port_value(port); |
|
} |
|
} |
|
if (!args.drop_categories.empty()) { |
|
auto* policy = assignment.mutable_policy(); |
|
for (const auto& p : args.drop_categories) { |
|
const std::string& name = p.first; |
|
const uint32_t parts_per_million = p.second; |
|
auto* drop_overload = policy->add_drop_overloads(); |
|
drop_overload->set_category(name); |
|
auto* drop_percentage = drop_overload->mutable_drop_percentage(); |
|
drop_percentage->set_numerator(parts_per_million); |
|
drop_percentage->set_denominator(args.drop_denominator); |
|
} |
|
} |
|
return assignment; |
|
} |
|
|
|
void SetListenerAndRouteConfiguration( |
|
int idx, Listener listener, const RouteConfiguration& route_config) { |
|
auto* api_listener = |
|
listener.mutable_api_listener()->mutable_api_listener(); |
|
HttpConnectionManager http_connection_manager; |
|
api_listener->UnpackTo(&http_connection_manager); |
|
if (GetParam().enable_rds_testing()) { |
|
auto* rds = http_connection_manager.mutable_rds(); |
|
rds->set_route_config_name(kDefaultRouteConfigurationName); |
|
rds->mutable_config_source()->mutable_ads(); |
|
balancers_[idx]->ads_service()->SetRdsResource(route_config); |
|
} else { |
|
*http_connection_manager.mutable_route_config() = route_config; |
|
} |
|
api_listener->PackFrom(http_connection_manager); |
|
balancers_[idx]->ads_service()->SetLdsResource(listener); |
|
} |
|
|
|
void SetRouteConfiguration(int idx, const RouteConfiguration& route_config) { |
|
if (GetParam().enable_rds_testing()) { |
|
balancers_[idx]->ads_service()->SetRdsResource(route_config); |
|
} else { |
|
balancers_[idx]->ads_service()->SetLdsResource( |
|
BuildListener(route_config)); |
|
} |
|
} |
|
|
|
AdsServiceImpl::ResponseState RouteConfigurationResponseState(int idx) const { |
|
AdsServiceImpl* ads_service = balancers_[idx]->ads_service(); |
|
if (GetParam().enable_rds_testing()) { |
|
return ads_service->rds_response_state(); |
|
} |
|
return ads_service->lds_response_state(); |
|
} |
|
|
|
public: |
|
// This method could benefit test subclasses; to make it accessible |
|
// via bind with a qualified name, it needs to be public. |
|
void SetEdsResourceWithDelay(size_t i, |
|
const ClusterLoadAssignment& assignment, |
|
int delay_ms) { |
|
GPR_ASSERT(delay_ms > 0); |
|
gpr_sleep_until(grpc_timeout_milliseconds_to_deadline(delay_ms)); |
|
balancers_[i]->ads_service()->SetEdsResource(assignment); |
|
} |
|
|
|
protected: |
|
class ServerThread { |
|
public: |
|
ServerThread() : port_(g_port_saver->GetPort()) {} |
|
virtual ~ServerThread(){}; |
|
|
|
void Start() { |
|
gpr_log(GPR_INFO, "starting %s server on port %d", Type(), port_); |
|
GPR_ASSERT(!running_); |
|
running_ = true; |
|
StartAllServices(); |
|
grpc_core::Mutex mu; |
|
// We need to acquire the lock here in order to prevent the notify_one |
|
// by ServerThread::Serve from firing before the wait below is hit. |
|
grpc_core::MutexLock lock(&mu); |
|
grpc_core::CondVar cond; |
|
thread_ = absl::make_unique<std::thread>( |
|
std::bind(&ServerThread::Serve, this, &mu, &cond)); |
|
cond.Wait(&mu); |
|
gpr_log(GPR_INFO, "%s server startup complete", Type()); |
|
} |
|
|
|
void Serve(grpc_core::Mutex* mu, grpc_core::CondVar* cond) { |
|
// We need to acquire the lock here in order to prevent the notify_one |
|
// below from firing before its corresponding wait is executed. |
|
grpc_core::MutexLock lock(mu); |
|
std::ostringstream server_address; |
|
server_address << "localhost:" << port_; |
|
ServerBuilder builder; |
|
builder.AddListeningPort(server_address.str(), Credentials()); |
|
RegisterAllServices(&builder); |
|
server_ = builder.BuildAndStart(); |
|
cond->Signal(); |
|
} |
|
|
|
void Shutdown() { |
|
if (!running_) return; |
|
gpr_log(GPR_INFO, "%s about to shutdown", Type()); |
|
ShutdownAllServices(); |
|
server_->Shutdown(grpc_timeout_milliseconds_to_deadline(0)); |
|
thread_->join(); |
|
gpr_log(GPR_INFO, "%s shutdown completed", Type()); |
|
running_ = false; |
|
} |
|
|
|
virtual std::shared_ptr<ServerCredentials> Credentials() { |
|
return std::make_shared<SecureServerCredentials>( |
|
grpc_fake_transport_security_server_credentials_create()); |
|
} |
|
|
|
int port() const { return port_; } |
|
|
|
private: |
|
virtual void RegisterAllServices(ServerBuilder* builder) = 0; |
|
virtual void StartAllServices() = 0; |
|
virtual void ShutdownAllServices() = 0; |
|
|
|
virtual const char* Type() = 0; |
|
|
|
const int port_; |
|
std::unique_ptr<Server> server_; |
|
std::unique_ptr<std::thread> thread_; |
|
bool running_ = false; |
|
}; |
|
|
|
class BackendServerThread : public ServerThread { |
|
public: |
|
BackendServiceImpl<::grpc::testing::EchoTestService::Service>* |
|
backend_service() { |
|
return &backend_service_; |
|
} |
|
BackendServiceImpl<::grpc::testing::EchoTest1Service::Service>* |
|
backend_service1() { |
|
return &backend_service1_; |
|
} |
|
BackendServiceImpl<::grpc::testing::EchoTest2Service::Service>* |
|
backend_service2() { |
|
return &backend_service2_; |
|
} |
|
|
|
std::shared_ptr<ServerCredentials> Credentials() override { |
|
if (GetParam().use_xds_credentials()) { |
|
std::string root_cert = ReadFile(kCaCertPath); |
|
std::string identity_cert = ReadFile(kServerCertPath); |
|
std::string private_key = ReadFile(kServerKeyPath); |
|
std::vector<experimental::IdentityKeyCertPair> identity_key_cert_pairs = |
|
{{private_key, identity_cert}}; |
|
auto certificate_provider = |
|
std::make_shared<grpc::experimental::StaticDataCertificateProvider>( |
|
root_cert, identity_key_cert_pairs); |
|
grpc::experimental::TlsServerCredentialsOptions options( |
|
certificate_provider); |
|
options.watch_root_certs(); |
|
options.watch_identity_key_cert_pairs(); |
|
options.set_cert_request_type( |
|
GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY); |
|
return grpc::experimental::TlsServerCredentials(options); |
|
} |
|
return ServerThread::Credentials(); |
|
} |
|
|
|
private: |
|
void RegisterAllServices(ServerBuilder* builder) override { |
|
builder->RegisterService(&backend_service_); |
|
builder->RegisterService(&backend_service1_); |
|
builder->RegisterService(&backend_service2_); |
|
} |
|
|
|
void StartAllServices() override { |
|
backend_service_.Start(); |
|
backend_service1_.Start(); |
|
backend_service2_.Start(); |
|
} |
|
|
|
void ShutdownAllServices() override { |
|
backend_service_.Shutdown(); |
|
backend_service1_.Shutdown(); |
|
backend_service2_.Shutdown(); |
|
} |
|
|
|
const char* Type() override { return "Backend"; } |
|
|
|
BackendServiceImpl<::grpc::testing::EchoTestService::Service> |
|
backend_service_; |
|
BackendServiceImpl<::grpc::testing::EchoTest1Service::Service> |
|
backend_service1_; |
|
BackendServiceImpl<::grpc::testing::EchoTest2Service::Service> |
|
backend_service2_; |
|
}; |
|
|
|
class BalancerServerThread : public ServerThread { |
|
public: |
|
explicit BalancerServerThread(int client_load_reporting_interval = 0) |
|
: ads_service_(new AdsServiceImpl()), |
|
lrs_service_(new LrsServiceImpl(client_load_reporting_interval)) {} |
|
|
|
AdsServiceImpl* ads_service() { return ads_service_.get(); } |
|
LrsServiceImpl* lrs_service() { return lrs_service_.get(); } |
|
|
|
private: |
|
void RegisterAllServices(ServerBuilder* builder) override { |
|
builder->RegisterService(ads_service_->v2_rpc_service()); |
|
builder->RegisterService(ads_service_->v3_rpc_service()); |
|
builder->RegisterService(lrs_service_->v2_rpc_service()); |
|
builder->RegisterService(lrs_service_->v3_rpc_service()); |
|
} |
|
|
|
void StartAllServices() override { |
|
ads_service_->Start(); |
|
lrs_service_->Start(); |
|
} |
|
|
|
void ShutdownAllServices() override { |
|
ads_service_->Shutdown(); |
|
lrs_service_->Shutdown(); |
|
} |
|
|
|
const char* Type() override { return "Balancer"; } |
|
|
|
std::shared_ptr<AdsServiceImpl> ads_service_; |
|
std::shared_ptr<LrsServiceImpl> lrs_service_; |
|
}; |
|
|
|
class LongRunningRpc { |
|
public: |
|
void StartRpc(grpc::testing::EchoTestService::Stub* stub) { |
|
sender_thread_ = std::thread([this, stub]() { |
|
EchoResponse response; |
|
EchoRequest request; |
|
request.mutable_param()->set_client_cancel_after_us(1 * 1000 * 1000); |
|
request.set_message(kRequestMessage); |
|
(void)stub->Echo(&context_, request, &response); |
|
}); |
|
} |
|
|
|
void CancelRpc() { |
|
context_.TryCancel(); |
|
sender_thread_.join(); |
|
} |
|
|
|
private: |
|
std::thread sender_thread_; |
|
ClientContext context_; |
|
}; |
|
|
|
const size_t num_backends_; |
|
const size_t num_balancers_; |
|
const int client_load_reporting_interval_seconds_; |
|
bool ipv6_only_ = false; |
|
std::shared_ptr<Channel> channel_; |
|
std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_; |
|
std::unique_ptr<grpc::testing::EchoTest1Service::Stub> stub1_; |
|
std::unique_ptr<grpc::testing::EchoTest2Service::Stub> stub2_; |
|
std::vector<std::unique_ptr<BackendServerThread>> backends_; |
|
std::vector<std::unique_ptr<BalancerServerThread>> balancers_; |
|
grpc_core::RefCountedPtr<grpc_core::FakeResolverResponseGenerator> |
|
response_generator_; |
|
grpc_core::RefCountedPtr<grpc_core::FakeResolverResponseGenerator> |
|
lb_channel_response_generator_; |
|
int xds_resource_does_not_exist_timeout_ms_ = 0; |
|
absl::InlinedVector<grpc_arg, 2> xds_channel_args_to_add_; |
|
grpc_channel_args xds_channel_args_; |
|
|
|
Listener default_listener_; |
|
RouteConfiguration default_route_config_; |
|
Cluster default_cluster_; |
|
}; |
|
|
|
class BasicTest : public XdsEnd2endTest { |
|
public: |
|
BasicTest() : XdsEnd2endTest(4, 1) {} |
|
}; |
|
|
|
// Tests that the balancer sends the correct response to the client, and the |
|
// client sends RPCs to the backends using the default child policy. |
|
TEST_P(BasicTest, Vanilla) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcsPerAddress = 100; |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Make sure that trying to connect works without a call. |
|
channel_->GetState(true /* try_to_connect */); |
|
// We need to wait for all backends to come online. |
|
WaitForAllBackends(); |
|
// Send kNumRpcsPerAddress RPCs per server. |
|
CheckRpcSendOk(kNumRpcsPerAddress * num_backends_); |
|
// Each backend should have gotten 100 requests. |
|
for (size_t i = 0; i < backends_.size(); ++i) { |
|
EXPECT_EQ(kNumRpcsPerAddress, |
|
backends_[i]->backend_service()->request_count()); |
|
} |
|
// Check LB policy name for the channel. |
|
EXPECT_EQ( |
|
(GetParam().use_xds_resolver() ? "xds_cluster_manager_experimental" |
|
: "xds_cluster_resolver_experimental"), |
|
channel_->GetLoadBalancingPolicyName()); |
|
} |
|
|
|
TEST_P(BasicTest, IgnoresUnhealthyEndpoints) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcsPerAddress = 100; |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", |
|
GetBackendPorts(), |
|
kDefaultLocalityWeight, |
|
kDefaultLocalityPriority, |
|
{HealthStatus::DRAINING}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Make sure that trying to connect works without a call. |
|
channel_->GetState(true /* try_to_connect */); |
|
// We need to wait for all backends to come online. |
|
WaitForAllBackends(/*start_index=*/1); |
|
// Send kNumRpcsPerAddress RPCs per server. |
|
CheckRpcSendOk(kNumRpcsPerAddress * (num_backends_ - 1)); |
|
// Each backend should have gotten 100 requests. |
|
for (size_t i = 1; i < backends_.size(); ++i) { |
|
EXPECT_EQ(kNumRpcsPerAddress, |
|
backends_[i]->backend_service()->request_count()); |
|
} |
|
} |
|
|
|
// Tests that subchannel sharing works when the same backend is listed multiple |
|
// times. |
|
TEST_P(BasicTest, SameBackendListedMultipleTimes) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Same backend listed twice. |
|
std::vector<int> ports(2, backends_[0]->port()); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", ports}, |
|
}); |
|
const size_t kNumRpcsPerAddress = 10; |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// We need to wait for the backend to come online. |
|
WaitForBackend(0); |
|
// Send kNumRpcsPerAddress RPCs per server. |
|
CheckRpcSendOk(kNumRpcsPerAddress * ports.size()); |
|
// Backend should have gotten 20 requests. |
|
EXPECT_EQ(kNumRpcsPerAddress * ports.size(), |
|
backends_[0]->backend_service()->request_count()); |
|
// And they should have come from a single client port, because of |
|
// subchannel sharing. |
|
EXPECT_EQ(1UL, backends_[0]->backend_service()->clients().size()); |
|
} |
|
|
|
// Tests that RPCs will be blocked until a non-empty serverlist is received. |
|
TEST_P(BasicTest, InitiallyEmptyServerlist) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const int kServerlistDelayMs = 500 * grpc_test_slowdown_factor(); |
|
const int kCallDeadlineMs = kServerlistDelayMs * 2; |
|
// First response is an empty serverlist, sent right away. |
|
AdsServiceImpl::EdsResourceArgs::Locality empty_locality("locality0", {}); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
empty_locality, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Send non-empty serverlist only after kServerlistDelayMs. |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
std::thread delayed_resource_setter(std::bind( |
|
&BasicTest::SetEdsResourceWithDelay, this, 0, |
|
BuildEdsResource(args, DefaultEdsServiceName()), kServerlistDelayMs)); |
|
const auto t0 = system_clock::now(); |
|
// Client will block: LB will initially send empty serverlist. |
|
CheckRpcSendOk( |
|
1, RpcOptions().set_timeout_ms(kCallDeadlineMs).set_wait_for_ready(true)); |
|
const auto ellapsed_ms = |
|
std::chrono::duration_cast<std::chrono::milliseconds>( |
|
system_clock::now() - t0); |
|
// but eventually, the LB sends a serverlist update that allows the call to |
|
// proceed. The call delay must be larger than the delay in sending the |
|
// populated serverlist but under the call's deadline (which is enforced by |
|
// the call's deadline). |
|
EXPECT_GT(ellapsed_ms.count(), kServerlistDelayMs); |
|
delayed_resource_setter.join(); |
|
} |
|
|
|
// Tests that RPCs will fail with UNAVAILABLE instead of DEADLINE_EXCEEDED if |
|
// all the servers are unreachable. |
|
TEST_P(BasicTest, AllServersUnreachableFailFast) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumUnreachableServers = 5; |
|
std::vector<int> ports; |
|
for (size_t i = 0; i < kNumUnreachableServers; ++i) { |
|
ports.push_back(g_port_saver->GetPort()); |
|
} |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", ports}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
const Status status = SendRpc(); |
|
// The error shouldn't be DEADLINE_EXCEEDED. |
|
EXPECT_EQ(StatusCode::UNAVAILABLE, status.error_code()); |
|
} |
|
|
|
// Tests that RPCs fail when the backends are down, and will succeed again after |
|
// the backends are restarted. |
|
TEST_P(BasicTest, BackendsRestart) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForAllBackends(); |
|
// Stop backends. RPCs should fail. |
|
ShutdownAllBackends(); |
|
// Sending multiple failed requests instead of just one to ensure that the |
|
// client notices that all backends are down before we restart them. If we |
|
// didn't do this, then a single RPC could fail here due to the race condition |
|
// between the LB pick and the GOAWAY from the chosen backend being shut down, |
|
// which would not actually prove that the client noticed that all of the |
|
// backends are down. Then, when we send another request below (which we |
|
// expect to succeed), if the callbacks happen in the wrong order, the same |
|
// race condition could happen again due to the client not yet having noticed |
|
// that the backends were all down. |
|
CheckRpcSendFailure(num_backends_); |
|
// Restart all backends. RPCs should start succeeding again. |
|
StartAllBackends(); |
|
CheckRpcSendOk(1, RpcOptions().set_timeout_ms(2000).set_wait_for_ready(true)); |
|
} |
|
|
|
TEST_P(BasicTest, IgnoresDuplicateUpdates) { |
|
const size_t kNumRpcsPerAddress = 100; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait for all backends to come online. |
|
WaitForAllBackends(); |
|
// Send kNumRpcsPerAddress RPCs per server, but send an EDS update in |
|
// between. If the update is not ignored, this will cause the |
|
// round_robin policy to see an update, which will randomly reset its |
|
// position in the address list. |
|
for (size_t i = 0; i < kNumRpcsPerAddress; ++i) { |
|
CheckRpcSendOk(2); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
CheckRpcSendOk(2); |
|
} |
|
// Each backend should have gotten the right number of requests. |
|
for (size_t i = 1; i < backends_.size(); ++i) { |
|
EXPECT_EQ(kNumRpcsPerAddress, |
|
backends_[i]->backend_service()->request_count()); |
|
} |
|
} |
|
|
|
using XdsResolverOnlyTest = BasicTest; |
|
|
|
TEST_P(XdsResolverOnlyTest, ResourceTypeVersionPersistsAcrossStreamRestarts) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// Wait for backends to come online. |
|
WaitForAllBackends(0, 1); |
|
// Stop balancer. |
|
balancers_[0]->Shutdown(); |
|
// Tell balancer to require minimum version 1 for all resource types. |
|
balancers_[0]->ads_service()->SetResourceMinVersion(kLdsTypeUrl, 1); |
|
balancers_[0]->ads_service()->SetResourceMinVersion(kRdsTypeUrl, 1); |
|
balancers_[0]->ads_service()->SetResourceMinVersion(kCdsTypeUrl, 1); |
|
balancers_[0]->ads_service()->SetResourceMinVersion(kEdsTypeUrl, 1); |
|
// Update backend, just so we can be sure that the client has |
|
// reconnected to the balancer. |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args2)); |
|
// Restart balancer. |
|
balancers_[0]->Start(); |
|
// Make sure client has reconnected. |
|
WaitForAllBackends(1, 2); |
|
} |
|
|
|
// Tests switching over from one cluster to another. |
|
TEST_P(XdsResolverOnlyTest, ChangeClusters) { |
|
const char* kNewClusterName = "new_cluster_name"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// We need to wait for all backends to come online. |
|
WaitForAllBackends(0, 2); |
|
// Populate new EDS resource. |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsServiceName)); |
|
// Populate new CDS resource. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Change RDS resource to point to new cluster. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
new_route_config.mutable_virtual_hosts(0) |
|
->mutable_routes(0) |
|
->mutable_route() |
|
->set_cluster(kNewClusterName); |
|
SetListenerAndRouteConfiguration(0, default_listener_, new_route_config); |
|
// Wait for all new backends to be used. |
|
std::tuple<int, int, int> counts = WaitForAllBackends(2, 4); |
|
// Make sure no RPCs failed in the transition. |
|
EXPECT_EQ(0, std::get<1>(counts)); |
|
} |
|
|
|
// Tests that we go into TRANSIENT_FAILURE if the Cluster disappears. |
|
TEST_P(XdsResolverOnlyTest, ClusterRemoved) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// We need to wait for all backends to come online. |
|
WaitForAllBackends(); |
|
// Unset CDS resource. |
|
balancers_[0]->ads_service()->UnsetResource(kCdsTypeUrl, kDefaultClusterName); |
|
// Wait for RPCs to start failing. |
|
do { |
|
} while (SendRpc(RpcOptions(), nullptr).ok()); |
|
// Make sure RPCs are still failing. |
|
CheckRpcSendFailure(1000); |
|
// Make sure we ACK'ed the update. |
|
EXPECT_EQ(balancers_[0]->ads_service()->cds_response_state().state, |
|
AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
// Tests that we restart all xDS requests when we reestablish the ADS call. |
|
TEST_P(XdsResolverOnlyTest, RestartsRequestsUponReconnection) { |
|
// Manually configure use of RDS. |
|
auto listener = default_listener_; |
|
HttpConnectionManager http_connection_manager; |
|
auto* rds = http_connection_manager.mutable_rds(); |
|
rds->set_route_config_name(kDefaultRouteConfigurationName); |
|
rds->mutable_config_source()->mutable_ads(); |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
balancers_[0]->ads_service()->SetLdsResource(listener); |
|
balancers_[0]->ads_service()->SetRdsResource(default_route_config_); |
|
const char* kNewClusterName = "new_cluster_name"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// We need to wait for all backends to come online. |
|
WaitForAllBackends(0, 2); |
|
// Now shut down and restart the balancer. When the client |
|
// reconnects, it should automatically restart the requests for all |
|
// resource types. |
|
balancers_[0]->Shutdown(); |
|
balancers_[0]->Start(); |
|
// Make sure things are still working. |
|
CheckRpcSendOk(100); |
|
// Populate new EDS resource. |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsServiceName)); |
|
// Populate new CDS resource. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Change RDS resource to point to new cluster. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
new_route_config.mutable_virtual_hosts(0) |
|
->mutable_routes(0) |
|
->mutable_route() |
|
->set_cluster(kNewClusterName); |
|
balancers_[0]->ads_service()->SetRdsResource(new_route_config); |
|
// Wait for all new backends to be used. |
|
std::tuple<int, int, int> counts = WaitForAllBackends(2, 4); |
|
// Make sure no RPCs failed in the transition. |
|
EXPECT_EQ(0, std::get<1>(counts)); |
|
} |
|
|
|
TEST_P(XdsResolverOnlyTest, DefaultRouteSpecifiesSlashPrefix) { |
|
RouteConfiguration route_config = default_route_config_; |
|
route_config.mutable_virtual_hosts(0) |
|
->mutable_routes(0) |
|
->mutable_match() |
|
->set_prefix("/"); |
|
SetListenerAndRouteConfiguration(0, default_listener_, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// We need to wait for all backends to come online. |
|
WaitForAllBackends(); |
|
} |
|
|
|
TEST_P(XdsResolverOnlyTest, CircuitBreaking) { |
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_CIRCUIT_BREAKING", "true"); |
|
constexpr size_t kMaxConcurrentRequests = 10; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// Update CDS resource to set max concurrent request. |
|
CircuitBreakers circuit_breaks; |
|
Cluster cluster = default_cluster_; |
|
auto* threshold = cluster.mutable_circuit_breakers()->add_thresholds(); |
|
threshold->set_priority(RoutingPriority::DEFAULT); |
|
threshold->mutable_max_requests()->set_value(kMaxConcurrentRequests); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
// Send exactly max_concurrent_requests long RPCs. |
|
LongRunningRpc rpcs[kMaxConcurrentRequests]; |
|
for (size_t i = 0; i < kMaxConcurrentRequests; ++i) { |
|
rpcs[i].StartRpc(stub_.get()); |
|
} |
|
// Wait for all RPCs to be in flight. |
|
while (backends_[0]->backend_service()->RpcsWaitingForClientCancel() < |
|
kMaxConcurrentRequests) { |
|
gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), |
|
gpr_time_from_micros(1 * 1000, GPR_TIMESPAN))); |
|
} |
|
// Sending a RPC now should fail, the error message should tell us |
|
// we hit the max concurrent requests limit and got dropped. |
|
Status status = SendRpc(); |
|
EXPECT_FALSE(status.ok()); |
|
EXPECT_EQ(status.error_message(), "Call dropped by load balancing policy"); |
|
// Cancel one RPC to allow another one through |
|
rpcs[0].CancelRpc(); |
|
status = SendRpc(); |
|
EXPECT_TRUE(status.ok()); |
|
for (size_t i = 1; i < kMaxConcurrentRequests; ++i) { |
|
rpcs[i].CancelRpc(); |
|
} |
|
// Make sure RPCs go to the correct backend: |
|
EXPECT_EQ(kMaxConcurrentRequests + 1, |
|
backends_[0]->backend_service()->request_count()); |
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_CIRCUIT_BREAKING"); |
|
} |
|
|
|
TEST_P(XdsResolverOnlyTest, CircuitBreakingMultipleChannelsShareCallCounter) { |
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_CIRCUIT_BREAKING", "true"); |
|
constexpr size_t kMaxConcurrentRequests = 10; |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// Update CDS resource to set max concurrent request. |
|
CircuitBreakers circuit_breaks; |
|
Cluster cluster = default_cluster_; |
|
auto* threshold = cluster.mutable_circuit_breakers()->add_thresholds(); |
|
threshold->set_priority(RoutingPriority::DEFAULT); |
|
threshold->mutable_max_requests()->set_value(kMaxConcurrentRequests); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
// Create second channel. |
|
auto response_generator2 = |
|
grpc_core::MakeRefCounted<grpc_core::FakeResolverResponseGenerator>(); |
|
auto channel2 = CreateChannel( |
|
/*failover_timeout=*/0, /*server_name=*/kServerName, |
|
response_generator2.get()); |
|
auto stub2 = grpc::testing::EchoTestService::NewStub(channel2); |
|
// Set resolution results for both channels and for the xDS channel. |
|
SetNextResolution({}); |
|
SetNextResolution({}, response_generator2.get()); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Send exactly max_concurrent_requests long RPCs, alternating between |
|
// the two channels. |
|
LongRunningRpc rpcs[kMaxConcurrentRequests]; |
|
for (size_t i = 0; i < kMaxConcurrentRequests; ++i) { |
|
rpcs[i].StartRpc(i % 2 == 0 ? stub_.get() : stub2.get()); |
|
} |
|
// Wait for all RPCs to be in flight. |
|
while (backends_[0]->backend_service()->RpcsWaitingForClientCancel() < |
|
kMaxConcurrentRequests) { |
|
gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), |
|
gpr_time_from_micros(1 * 1000, GPR_TIMESPAN))); |
|
} |
|
// Sending a RPC now should fail, the error message should tell us |
|
// we hit the max concurrent requests limit and got dropped. |
|
Status status = SendRpc(); |
|
EXPECT_FALSE(status.ok()); |
|
EXPECT_EQ(status.error_message(), "Call dropped by load balancing policy"); |
|
// Cancel one RPC to allow another one through |
|
rpcs[0].CancelRpc(); |
|
status = SendRpc(); |
|
EXPECT_TRUE(status.ok()); |
|
for (size_t i = 1; i < kMaxConcurrentRequests; ++i) { |
|
rpcs[i].CancelRpc(); |
|
} |
|
// Make sure RPCs go to the correct backend: |
|
EXPECT_EQ(kMaxConcurrentRequests + 1, |
|
backends_[0]->backend_service()->request_count()); |
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_CIRCUIT_BREAKING"); |
|
} |
|
|
|
TEST_P(XdsResolverOnlyTest, CircuitBreakingDisabled) { |
|
constexpr size_t kMaxConcurrentRequests = 10; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// Update CDS resource to set max concurrent request. |
|
CircuitBreakers circuit_breaks; |
|
Cluster cluster = default_cluster_; |
|
auto* threshold = cluster.mutable_circuit_breakers()->add_thresholds(); |
|
threshold->set_priority(RoutingPriority::DEFAULT); |
|
threshold->mutable_max_requests()->set_value(kMaxConcurrentRequests); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
// Send exactly max_concurrent_requests long RPCs. |
|
LongRunningRpc rpcs[kMaxConcurrentRequests]; |
|
for (size_t i = 0; i < kMaxConcurrentRequests; ++i) { |
|
rpcs[i].StartRpc(stub_.get()); |
|
} |
|
// Wait for all RPCs to be in flight. |
|
while (backends_[0]->backend_service()->RpcsWaitingForClientCancel() < |
|
kMaxConcurrentRequests) { |
|
gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), |
|
gpr_time_from_micros(1 * 1000, GPR_TIMESPAN))); |
|
} |
|
// Sending a RPC now should not fail as circuit breaking is disabled. |
|
Status status = SendRpc(); |
|
EXPECT_TRUE(status.ok()); |
|
for (size_t i = 0; i < kMaxConcurrentRequests; ++i) { |
|
rpcs[i].CancelRpc(); |
|
} |
|
// Make sure RPCs go to the correct backend: |
|
EXPECT_EQ(kMaxConcurrentRequests + 1, |
|
backends_[0]->backend_service()->request_count()); |
|
} |
|
|
|
TEST_P(XdsResolverOnlyTest, MultipleChannelsShareXdsClient) { |
|
const char* kNewServerName = "new-server.example.com"; |
|
Listener listener = default_listener_; |
|
listener.set_name(kNewServerName); |
|
SetListenerAndRouteConfiguration(0, listener, default_route_config_); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
WaitForAllBackends(); |
|
// Create second channel and tell it to connect to kNewServerName. |
|
auto channel2 = CreateChannel(/*failover_timeout=*/0, kNewServerName); |
|
channel2->GetState(/*try_to_connect=*/true); |
|
ASSERT_TRUE( |
|
channel2->WaitForConnected(grpc_timeout_milliseconds_to_deadline(100))); |
|
// Make sure there's only one client connected. |
|
EXPECT_EQ(1UL, balancers_[0]->ads_service()->clients().size()); |
|
} |
|
|
|
class XdsResolverLoadReportingOnlyTest : public XdsEnd2endTest { |
|
public: |
|
XdsResolverLoadReportingOnlyTest() : XdsEnd2endTest(4, 1, 3) {} |
|
}; |
|
|
|
// Tests load reporting when switching over from one cluster to another. |
|
TEST_P(XdsResolverLoadReportingOnlyTest, ChangeClusters) { |
|
const char* kNewClusterName = "new_cluster_name"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
balancers_[0]->lrs_service()->set_cluster_names( |
|
{kDefaultClusterName, kNewClusterName}); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// cluster kDefaultClusterName -> locality0 -> backends 0 and 1 |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// cluster kNewClusterName -> locality1 -> backends 2 and 3 |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality1", GetBackendPorts(2, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsServiceName)); |
|
// CDS resource for kNewClusterName. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Wait for all backends to come online. |
|
int num_ok = 0; |
|
int num_failure = 0; |
|
int num_drops = 0; |
|
std::tie(num_ok, num_failure, num_drops) = WaitForAllBackends(0, 2); |
|
// The load report received at the balancer should be correct. |
|
std::vector<ClientStats> load_report = |
|
balancers_[0]->lrs_service()->WaitForLoadReport(); |
|
EXPECT_THAT( |
|
load_report, |
|
::testing::ElementsAre(::testing::AllOf( |
|
::testing::Property(&ClientStats::cluster_name, kDefaultClusterName), |
|
::testing::Property( |
|
&ClientStats::locality_stats, |
|
::testing::ElementsAre(::testing::Pair( |
|
"locality0", |
|
::testing::AllOf( |
|
::testing::Field(&ClientStats::LocalityStats:: |
|
total_successful_requests, |
|
num_ok), |
|
::testing::Field(&ClientStats::LocalityStats:: |
|
total_requests_in_progress, |
|
0UL), |
|
::testing::Field( |
|
&ClientStats::LocalityStats::total_error_requests, |
|
num_failure), |
|
::testing::Field( |
|
&ClientStats::LocalityStats::total_issued_requests, |
|
num_failure + num_ok))))), |
|
::testing::Property(&ClientStats::total_dropped_requests, |
|
num_drops)))); |
|
// Change RDS resource to point to new cluster. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
new_route_config.mutable_virtual_hosts(0) |
|
->mutable_routes(0) |
|
->mutable_route() |
|
->set_cluster(kNewClusterName); |
|
SetListenerAndRouteConfiguration(0, default_listener_, new_route_config); |
|
// Wait for all new backends to be used. |
|
std::tie(num_ok, num_failure, num_drops) = WaitForAllBackends(2, 4); |
|
// The load report received at the balancer should be correct. |
|
load_report = balancers_[0]->lrs_service()->WaitForLoadReport(); |
|
EXPECT_THAT( |
|
load_report, |
|
::testing::ElementsAre( |
|
::testing::AllOf( |
|
::testing::Property(&ClientStats::cluster_name, |
|
kDefaultClusterName), |
|
::testing::Property( |
|
&ClientStats::locality_stats, |
|
::testing::ElementsAre(::testing::Pair( |
|
"locality0", |
|
::testing::AllOf( |
|
::testing::Field(&ClientStats::LocalityStats:: |
|
total_successful_requests, |
|
::testing::Lt(num_ok)), |
|
::testing::Field(&ClientStats::LocalityStats:: |
|
total_requests_in_progress, |
|
0UL), |
|
::testing::Field( |
|
&ClientStats::LocalityStats::total_error_requests, |
|
::testing::Le(num_failure)), |
|
::testing::Field( |
|
&ClientStats::LocalityStats:: |
|
total_issued_requests, |
|
::testing::Le(num_failure + num_ok)))))), |
|
::testing::Property(&ClientStats::total_dropped_requests, |
|
num_drops)), |
|
::testing::AllOf( |
|
::testing::Property(&ClientStats::cluster_name, kNewClusterName), |
|
::testing::Property( |
|
&ClientStats::locality_stats, |
|
::testing::ElementsAre(::testing::Pair( |
|
"locality1", |
|
::testing::AllOf( |
|
::testing::Field(&ClientStats::LocalityStats:: |
|
total_successful_requests, |
|
::testing::Le(num_ok)), |
|
::testing::Field(&ClientStats::LocalityStats:: |
|
total_requests_in_progress, |
|
0UL), |
|
::testing::Field( |
|
&ClientStats::LocalityStats::total_error_requests, |
|
::testing::Le(num_failure)), |
|
::testing::Field( |
|
&ClientStats::LocalityStats:: |
|
total_issued_requests, |
|
::testing::Le(num_failure + num_ok)))))), |
|
::testing::Property(&ClientStats::total_dropped_requests, |
|
num_drops)))); |
|
int total_ok = 0; |
|
int total_failure = 0; |
|
for (const ClientStats& client_stats : load_report) { |
|
total_ok += client_stats.total_successful_requests(); |
|
total_failure += client_stats.total_error_requests(); |
|
} |
|
EXPECT_EQ(total_ok, num_ok); |
|
EXPECT_EQ(total_failure, num_failure); |
|
// The LRS service got a single request, and sent a single response. |
|
EXPECT_EQ(1U, balancers_[0]->lrs_service()->request_count()); |
|
EXPECT_EQ(1U, balancers_[0]->lrs_service()->response_count()); |
|
} |
|
|
|
using SecureNamingTest = BasicTest; |
|
|
|
// Tests that secure naming check passes if target name is expected. |
|
TEST_P(SecureNamingTest, TargetNameIsExpected) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannel({balancers_[0]->port()}, nullptr, "xds_server"); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
CheckRpcSendOk(); |
|
} |
|
|
|
// Tests that secure naming check fails if target name is unexpected. |
|
TEST_P(SecureNamingTest, TargetNameIsUnexpected) { |
|
::testing::FLAGS_gtest_death_test_style = "threadsafe"; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannel({balancers_[0]->port()}, nullptr, |
|
"incorrect_server_name"); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Make sure that we blow up (via abort() from the security connector) when |
|
// the name from the balancer doesn't match expectations. |
|
ASSERT_DEATH_IF_SUPPORTED({ CheckRpcSendOk(); }, ""); |
|
} |
|
|
|
using LdsTest = BasicTest; |
|
|
|
// Tests that LDS client should send a NACK if there is no API listener in the |
|
// Listener in the LDS response. |
|
TEST_P(LdsTest, NoApiListener) { |
|
auto listener = default_listener_; |
|
listener.clear_api_listener(); |
|
balancers_[0]->ads_service()->SetLdsResource(listener); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->lds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "Listener has no ApiListener."); |
|
} |
|
|
|
// Tests that LDS client should send a NACK if the route_specifier in the |
|
// http_connection_manager is neither inlined route_config nor RDS. |
|
TEST_P(LdsTest, WrongRouteSpecifier) { |
|
auto listener = default_listener_; |
|
HttpConnectionManager http_connection_manager; |
|
http_connection_manager.mutable_scoped_routes(); |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
balancers_[0]->ads_service()->SetLdsResource(listener); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->lds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"HttpConnectionManager neither has inlined route_config nor RDS."); |
|
} |
|
|
|
// Tests that LDS client should send a NACK if the rds message in the |
|
// http_connection_manager is missing the config_source field. |
|
TEST_P(LdsTest, RdsMissingConfigSource) { |
|
auto listener = default_listener_; |
|
HttpConnectionManager http_connection_manager; |
|
http_connection_manager.mutable_rds()->set_route_config_name( |
|
kDefaultRouteConfigurationName); |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
balancers_[0]->ads_service()->SetLdsResource(listener); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->lds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"HttpConnectionManager missing config_source for RDS."); |
|
} |
|
|
|
// Tests that LDS client should send a NACK if the rds message in the |
|
// http_connection_manager has a config_source field that does not specify ADS. |
|
TEST_P(LdsTest, RdsConfigSourceDoesNotSpecifyAds) { |
|
auto listener = default_listener_; |
|
HttpConnectionManager http_connection_manager; |
|
auto* rds = http_connection_manager.mutable_rds(); |
|
rds->set_route_config_name(kDefaultRouteConfigurationName); |
|
rds->mutable_config_source()->mutable_self(); |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
balancers_[0]->ads_service()->SetLdsResource(listener); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->lds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"HttpConnectionManager ConfigSource for RDS does not specify ADS."); |
|
} |
|
|
|
using LdsRdsTest = BasicTest; |
|
|
|
// Tests that LDS client should send an ACK upon correct LDS response (with |
|
// inlined RDS result). |
|
TEST_P(LdsRdsTest, Vanilla) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
(void)SendRpc(); |
|
EXPECT_EQ(RouteConfigurationResponseState(0).state, |
|
AdsServiceImpl::ResponseState::ACKED); |
|
// Make sure we actually used the RPC service for the right version of xDS. |
|
EXPECT_EQ(balancers_[0]->ads_service()->seen_v2_client(), |
|
GetParam().use_v2()); |
|
EXPECT_NE(balancers_[0]->ads_service()->seen_v3_client(), |
|
GetParam().use_v2()); |
|
} |
|
|
|
// Tests that we go into TRANSIENT_FAILURE if the Listener is removed. |
|
TEST_P(LdsRdsTest, ListenerRemoved) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
// We need to wait for all backends to come online. |
|
WaitForAllBackends(); |
|
// Unset LDS resource. |
|
balancers_[0]->ads_service()->UnsetResource(kLdsTypeUrl, kServerName); |
|
// Wait for RPCs to start failing. |
|
do { |
|
} while (SendRpc(RpcOptions(), nullptr).ok()); |
|
// Make sure RPCs are still failing. |
|
CheckRpcSendFailure(1000); |
|
// Make sure we ACK'ed the update. |
|
EXPECT_EQ(balancers_[0]->ads_service()->lds_response_state().state, |
|
AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
// Tests that LDS client ACKs but fails if matching domain can't be found in |
|
// the LDS response. |
|
TEST_P(LdsRdsTest, NoMatchedDomain) { |
|
RouteConfiguration route_config = default_route_config_; |
|
route_config.mutable_virtual_hosts(0)->clear_domains(); |
|
route_config.mutable_virtual_hosts(0)->add_domains("unmatched_domain"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
// Do a bit of polling, to allow the ACK to get to the ADS server. |
|
channel_->WaitForConnected(grpc_timeout_milliseconds_to_deadline(100)); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
// Tests that LDS client should choose the virtual host with matching domain if |
|
// multiple virtual hosts exist in the LDS response. |
|
TEST_P(LdsRdsTest, ChooseMatchedDomain) { |
|
RouteConfiguration route_config = default_route_config_; |
|
*(route_config.add_virtual_hosts()) = route_config.virtual_hosts(0); |
|
route_config.mutable_virtual_hosts(0)->clear_domains(); |
|
route_config.mutable_virtual_hosts(0)->add_domains("unmatched_domain"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
(void)SendRpc(); |
|
EXPECT_EQ(RouteConfigurationResponseState(0).state, |
|
AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
// Tests that LDS client should choose the last route in the virtual host if |
|
// multiple routes exist in the LDS response. |
|
TEST_P(LdsRdsTest, ChooseLastRoute) { |
|
RouteConfiguration route_config = default_route_config_; |
|
*(route_config.mutable_virtual_hosts(0)->add_routes()) = |
|
route_config.virtual_hosts(0).routes(0); |
|
route_config.mutable_virtual_hosts(0) |
|
->mutable_routes(0) |
|
->mutable_route() |
|
->mutable_cluster_header(); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
(void)SendRpc(); |
|
EXPECT_EQ(RouteConfigurationResponseState(0).state, |
|
AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has query_parameters. |
|
TEST_P(LdsRdsTest, RouteMatchHasQueryParameters) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
route1->mutable_match()->add_query_parameters(); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should send a ACK if route match has a prefix |
|
// that is either empty or a single slash |
|
TEST_P(LdsRdsTest, RouteMatchHasValidPrefixEmptyOrSingleSlash) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix(""); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix("/"); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
(void)SendRpc(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has a path |
|
// prefix string does not start with "/". |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPrefixNoLeadingSlash) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("grpc.testing.EchoTest1Service/"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has a prefix |
|
// string with more than 2 slashes. |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPrefixExtraContent) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/Echo1/"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has a prefix |
|
// string "//". |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPrefixDoubleSlash) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("//"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has path |
|
// but it's empty. |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathEmptyPath) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path(""); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has path |
|
// string does not start with "/". |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathNoLeadingSlash) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("grpc.testing.EchoTest1Service/Echo1"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has path |
|
// string that has too many slashes; for example, ends with "/". |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathTooManySlashes) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("/grpc.testing.EchoTest1Service/Echo1/"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has path |
|
// string that has only 1 slash: missing "/" between service and method. |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathOnlyOneSlash) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("/grpc.testing.EchoTest1Service.Echo1"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has path |
|
// string that is missing service. |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathMissingService) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("//Echo1"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Tests that LDS client should ignore route which has path |
|
// string that is missing method. |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathMissingMethod) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("/grpc.testing.EchoTest1Service/"); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No valid routes specified."); |
|
} |
|
|
|
// Test that LDS client should reject route which has invalid path regex. |
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathRegex) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->mutable_safe_regex()->set_regex("a[z-a]"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"Invalid regex string specified in path matcher."); |
|
} |
|
|
|
// Tests that LDS client should send a NACK if route has an action other than |
|
// RouteAction in the LDS response. |
|
TEST_P(LdsRdsTest, RouteHasNoRouteAction) { |
|
RouteConfiguration route_config = default_route_config_; |
|
route_config.mutable_virtual_hosts(0)->mutable_routes(0)->mutable_redirect(); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "No RouteAction found in route."); |
|
} |
|
|
|
TEST_P(LdsRdsTest, RouteActionClusterHasEmptyClusterName) { |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
route1->mutable_route()->set_cluster(""); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"RouteAction cluster contains empty cluster name."); |
|
} |
|
|
|
TEST_P(LdsRdsTest, RouteActionWeightedTargetHasIncorrectTotalWeightSet) { |
|
const size_t kWeight75 = 75; |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* weighted_cluster1 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster1->set_name(kNewCluster1Name); |
|
weighted_cluster1->mutable_weight()->set_value(kWeight75); |
|
route1->mutable_route() |
|
->mutable_weighted_clusters() |
|
->mutable_total_weight() |
|
->set_value(kWeight75 + 1); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"RouteAction weighted_cluster has incorrect total weight"); |
|
} |
|
|
|
TEST_P(LdsRdsTest, RouteActionWeightedTargetClusterHasEmptyClusterName) { |
|
const size_t kWeight75 = 75; |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* weighted_cluster1 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster1->set_name(""); |
|
weighted_cluster1->mutable_weight()->set_value(kWeight75); |
|
route1->mutable_route() |
|
->mutable_weighted_clusters() |
|
->mutable_total_weight() |
|
->set_value(kWeight75); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ( |
|
response_state.error_message, |
|
"RouteAction weighted_cluster cluster contains empty cluster name."); |
|
} |
|
|
|
TEST_P(LdsRdsTest, RouteActionWeightedTargetClusterHasNoWeight) { |
|
const size_t kWeight75 = 75; |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* weighted_cluster1 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster1->set_name(kNewCluster1Name); |
|
route1->mutable_route() |
|
->mutable_weighted_clusters() |
|
->mutable_total_weight() |
|
->set_value(kWeight75); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"RouteAction weighted_cluster cluster missing weight"); |
|
} |
|
|
|
TEST_P(LdsRdsTest, RouteHeaderMatchInvalidRegex) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* header_matcher1 = route1->mutable_match()->add_headers(); |
|
header_matcher1->set_name("header1"); |
|
header_matcher1->mutable_safe_regex_match()->set_regex("a[z-a]"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"Invalid regex string specified in header matcher."); |
|
} |
|
|
|
TEST_P(LdsRdsTest, RouteHeaderMatchInvalidRange) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* header_matcher1 = route1->mutable_match()->add_headers(); |
|
header_matcher1->set_name("header1"); |
|
header_matcher1->mutable_range_match()->set_start(1001); |
|
header_matcher1->mutable_range_match()->set_end(1000); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
SetRouteConfiguration(0, route_config); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"Invalid range header matcher specifier specified: end " |
|
"cannot be smaller than start."); |
|
} |
|
|
|
// Tests that LDS client should choose the default route (with no matching |
|
// specified) after unable to find a match with previous routes. |
|
TEST_P(LdsRdsTest, XdsRoutingPathMatching) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEcho1Rpcs = 10; |
|
const size_t kNumEcho2Rpcs = 20; |
|
const size_t kNumEchoRpcs = 30; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(3, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("/grpc.testing.EchoTest1Service/Echo1"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->set_path("/grpc.testing.EchoTest2Service/Echo2"); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
auto* route3 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route3->mutable_match()->set_path("/grpc.testing.EchoTest3Service/Echo3"); |
|
route3->mutable_route()->set_cluster(kDefaultClusterName); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(0, 2); |
|
CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_wait_for_ready(true)); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_wait_for_ready(true)); |
|
CheckRpcSendOk(kNumEcho2Rpcs, RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO2) |
|
.set_rpc_method(METHOD_ECHO2) |
|
.set_wait_for_ready(true)); |
|
// Make sure RPCs all go to the correct backend. |
|
for (size_t i = 0; i < 2; ++i) { |
|
EXPECT_EQ(kNumEchoRpcs / 2, |
|
backends_[i]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[i]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[i]->backend_service2()->request_count()); |
|
} |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
EXPECT_EQ(kNumEcho1Rpcs, backends_[2]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service2()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service1()->request_count()); |
|
EXPECT_EQ(kNumEcho2Rpcs, backends_[3]->backend_service2()->request_count()); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingPathMatchingCaseInsensitive) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEcho1Rpcs = 10; |
|
const size_t kNumEchoRpcs = 30; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
// First route will not match, since it's case-sensitive. |
|
// Second route will match with same path. |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("/GrPc.TeStInG.EcHoTeSt1SErViCe/EcHo1"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->set_path("/GrPc.TeStInG.EcHoTeSt1SErViCe/EcHo1"); |
|
route2->mutable_match()->mutable_case_sensitive()->set_value(false); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_wait_for_ready(true)); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_wait_for_ready(true)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
EXPECT_EQ(kNumEcho1Rpcs, backends_[2]->backend_service1()->request_count()); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingPrefixMatching) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEcho1Rpcs = 10; |
|
const size_t kNumEcho2Rpcs = 20; |
|
const size_t kNumEchoRpcs = 30; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(3, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->set_prefix("/grpc.testing.EchoTest2Service/"); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(0, 2); |
|
CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_wait_for_ready(true)); |
|
CheckRpcSendOk( |
|
kNumEcho1Rpcs, |
|
RpcOptions().set_rpc_service(SERVICE_ECHO1).set_wait_for_ready(true)); |
|
CheckRpcSendOk( |
|
kNumEcho2Rpcs, |
|
RpcOptions().set_rpc_service(SERVICE_ECHO2).set_wait_for_ready(true)); |
|
// Make sure RPCs all go to the correct backend. |
|
for (size_t i = 0; i < 2; ++i) { |
|
EXPECT_EQ(kNumEchoRpcs / 2, |
|
backends_[i]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[i]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[i]->backend_service2()->request_count()); |
|
} |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
EXPECT_EQ(kNumEcho1Rpcs, backends_[2]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service2()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service1()->request_count()); |
|
EXPECT_EQ(kNumEcho2Rpcs, backends_[3]->backend_service2()->request_count()); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingPrefixMatchingCaseInsensitive) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEcho1Rpcs = 10; |
|
const size_t kNumEchoRpcs = 30; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
// First route will not match, since it's case-sensitive. |
|
// Second route will match with same path. |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/GrPc.TeStInG.EcHoTeSt1SErViCe"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->set_prefix("/GrPc.TeStInG.EcHoTeSt1SErViCe"); |
|
route2->mutable_match()->mutable_case_sensitive()->set_value(false); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_wait_for_ready(true)); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_wait_for_ready(true)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
EXPECT_EQ(kNumEcho1Rpcs, backends_[2]->backend_service1()->request_count()); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingPathRegexMatching) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEcho1Rpcs = 10; |
|
const size_t kNumEcho2Rpcs = 20; |
|
const size_t kNumEchoRpcs = 30; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(3, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
// Will match "/grpc.testing.EchoTest1Service/" |
|
route1->mutable_match()->mutable_safe_regex()->set_regex(".*1.*"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
// Will match "/grpc.testing.EchoTest2Service/" |
|
route2->mutable_match()->mutable_safe_regex()->set_regex(".*2.*"); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(0, 2); |
|
CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_wait_for_ready(true)); |
|
CheckRpcSendOk( |
|
kNumEcho1Rpcs, |
|
RpcOptions().set_rpc_service(SERVICE_ECHO1).set_wait_for_ready(true)); |
|
CheckRpcSendOk( |
|
kNumEcho2Rpcs, |
|
RpcOptions().set_rpc_service(SERVICE_ECHO2).set_wait_for_ready(true)); |
|
// Make sure RPCs all go to the correct backend. |
|
for (size_t i = 0; i < 2; ++i) { |
|
EXPECT_EQ(kNumEchoRpcs / 2, |
|
backends_[i]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[i]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[i]->backend_service2()->request_count()); |
|
} |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
EXPECT_EQ(kNumEcho1Rpcs, backends_[2]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service2()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service1()->request_count()); |
|
EXPECT_EQ(kNumEcho2Rpcs, backends_[3]->backend_service2()->request_count()); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingPathRegexMatchingCaseInsensitive) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEcho1Rpcs = 10; |
|
const size_t kNumEchoRpcs = 30; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
// First route will not match, since it's case-sensitive. |
|
// Second route will match with same path. |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->mutable_safe_regex()->set_regex( |
|
".*EcHoTeSt1SErViCe.*"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->mutable_safe_regex()->set_regex( |
|
".*EcHoTeSt1SErViCe.*"); |
|
route2->mutable_match()->mutable_case_sensitive()->set_value(false); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_wait_for_ready(true)); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_wait_for_ready(true)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
EXPECT_EQ(kNumEcho1Rpcs, backends_[2]->backend_service1()->request_count()); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingWeightedCluster) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEcho1Rpcs = 1000; |
|
const size_t kNumEchoRpcs = 10; |
|
const size_t kWeight75 = 75; |
|
const size_t kWeight25 = 25; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* weighted_cluster1 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster1->set_name(kNewCluster1Name); |
|
weighted_cluster1->mutable_weight()->set_value(kWeight75); |
|
auto* weighted_cluster2 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster2->set_name(kNewCluster2Name); |
|
weighted_cluster2->mutable_weight()->set_value(kWeight25); |
|
route1->mutable_route() |
|
->mutable_weighted_clusters() |
|
->mutable_total_weight() |
|
->set_value(kWeight75 + kWeight25); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(0, 1); |
|
WaitForAllBackends(1, 3, true, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
const int weight_75_request_count = |
|
backends_[1]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
const int weight_25_request_count = |
|
backends_[2]->backend_service1()->request_count(); |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
weight_75_request_count, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight75 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight75 / 100 * (1 + kErrorTolerance)))); |
|
// TODO(@donnadionne): Reduce tolerance: increased the tolerance to keep the |
|
// test from flaking while debugging potential root cause. |
|
const double kErrorToleranceSmallLoad = 0.3; |
|
gpr_log(GPR_INFO, "target_75 received %d rpcs and target_25 received %d rpcs", |
|
weight_75_request_count, weight_25_request_count); |
|
EXPECT_THAT(weight_25_request_count, |
|
::testing::AllOf( |
|
::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * kWeight25 / |
|
100 * (1 - kErrorToleranceSmallLoad)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * kWeight25 / |
|
100 * (1 + kErrorToleranceSmallLoad)))); |
|
} |
|
|
|
TEST_P(LdsRdsTest, RouteActionWeightedTargetDefaultRoute) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEchoRpcs = 1000; |
|
const size_t kWeight75 = 75; |
|
const size_t kWeight25 = 25; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix(""); |
|
auto* weighted_cluster1 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster1->set_name(kNewCluster1Name); |
|
weighted_cluster1->mutable_weight()->set_value(kWeight75); |
|
auto* weighted_cluster2 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster2->set_name(kNewCluster2Name); |
|
weighted_cluster2->mutable_weight()->set_value(kWeight25); |
|
route1->mutable_route() |
|
->mutable_weighted_clusters() |
|
->mutable_total_weight() |
|
->set_value(kWeight75 + kWeight25); |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(1, 3); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(0, backends_[0]->backend_service()->request_count()); |
|
const int weight_75_request_count = |
|
backends_[1]->backend_service()->request_count(); |
|
const int weight_25_request_count = |
|
backends_[2]->backend_service()->request_count(); |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
weight_75_request_count, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEchoRpcs) * |
|
kWeight75 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEchoRpcs) * |
|
kWeight75 / 100 * (1 + kErrorTolerance)))); |
|
// TODO(@donnadionne): Reduce tolerance: increased the tolerance to keep the |
|
// test from flaking while debugging potential root cause. |
|
const double kErrorToleranceSmallLoad = 0.3; |
|
gpr_log(GPR_INFO, "target_75 received %d rpcs and target_25 received %d rpcs", |
|
weight_75_request_count, weight_25_request_count); |
|
EXPECT_THAT(weight_25_request_count, |
|
::testing::AllOf( |
|
::testing::Ge(static_cast<double>(kNumEchoRpcs) * kWeight25 / |
|
100 * (1 - kErrorToleranceSmallLoad)), |
|
::testing::Le(static_cast<double>(kNumEchoRpcs) * kWeight25 / |
|
100 * (1 + kErrorToleranceSmallLoad)))); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingWeightedClusterUpdateWeights) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const char* kNewCluster3Name = "new_cluster_3"; |
|
const char* kNewEdsService3Name = "new_eds_service_name_3"; |
|
const size_t kNumEcho1Rpcs = 1000; |
|
const size_t kNumEchoRpcs = 10; |
|
const size_t kWeight75 = 75; |
|
const size_t kWeight25 = 25; |
|
const size_t kWeight50 = 50; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args3({ |
|
{"locality0", GetBackendPorts(3, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args3, kNewEdsService3Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
Cluster new_cluster3 = default_cluster_; |
|
new_cluster3.set_name(kNewCluster3Name); |
|
new_cluster3.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService3Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster3); |
|
// Populating Route Configurations. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* weighted_cluster1 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster1->set_name(kNewCluster1Name); |
|
weighted_cluster1->mutable_weight()->set_value(kWeight75); |
|
auto* weighted_cluster2 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster2->set_name(kNewCluster2Name); |
|
weighted_cluster2->mutable_weight()->set_value(kWeight25); |
|
route1->mutable_route() |
|
->mutable_weighted_clusters() |
|
->mutable_total_weight() |
|
->set_value(kWeight75 + kWeight25); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(0, 1); |
|
WaitForAllBackends(1, 3, true, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
const int weight_75_request_count = |
|
backends_[1]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[1]->backend_service2()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
const int weight_25_request_count = |
|
backends_[2]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[3]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service1()->request_count()); |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
weight_75_request_count, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight75 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight75 / 100 * (1 + kErrorTolerance)))); |
|
// TODO(@donnadionne): Reduce tolerance: increased the tolerance to keep the |
|
// test from flaking while debugging potential root cause. |
|
const double kErrorToleranceSmallLoad = 0.3; |
|
gpr_log(GPR_INFO, "target_75 received %d rpcs and target_25 received %d rpcs", |
|
weight_75_request_count, weight_25_request_count); |
|
EXPECT_THAT(weight_25_request_count, |
|
::testing::AllOf( |
|
::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * kWeight25 / |
|
100 * (1 - kErrorToleranceSmallLoad)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * kWeight25 / |
|
100 * (1 + kErrorToleranceSmallLoad)))); |
|
// Change Route Configurations: same clusters different weights. |
|
weighted_cluster1->mutable_weight()->set_value(kWeight50); |
|
weighted_cluster2->mutable_weight()->set_value(kWeight50); |
|
// Change default route to a new cluster to help to identify when new polices |
|
// are seen by the client. |
|
default_route->mutable_route()->set_cluster(kNewCluster3Name); |
|
SetRouteConfiguration(0, new_route_config); |
|
ResetBackendCounters(); |
|
WaitForAllBackends(3, 4); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(0, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
const int weight_50_request_count_1 = |
|
backends_[1]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
const int weight_50_request_count_2 = |
|
backends_[2]->backend_service1()->request_count(); |
|
EXPECT_EQ(kNumEchoRpcs, backends_[3]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service1()->request_count()); |
|
EXPECT_THAT( |
|
weight_50_request_count_1, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight50 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight50 / 100 * (1 + kErrorTolerance)))); |
|
EXPECT_THAT( |
|
weight_50_request_count_2, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight50 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight50 / 100 * (1 + kErrorTolerance)))); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingWeightedClusterUpdateClusters) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const char* kNewCluster3Name = "new_cluster_3"; |
|
const char* kNewEdsService3Name = "new_eds_service_name_3"; |
|
const size_t kNumEcho1Rpcs = 1000; |
|
const size_t kNumEchoRpcs = 10; |
|
const size_t kWeight75 = 75; |
|
const size_t kWeight25 = 25; |
|
const size_t kWeight50 = 50; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args3({ |
|
{"locality0", GetBackendPorts(3, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args3, kNewEdsService3Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
Cluster new_cluster3 = default_cluster_; |
|
new_cluster3.set_name(kNewCluster3Name); |
|
new_cluster3.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService3Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster3); |
|
// Populating Route Configurations. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* weighted_cluster1 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster1->set_name(kNewCluster1Name); |
|
weighted_cluster1->mutable_weight()->set_value(kWeight75); |
|
auto* weighted_cluster2 = |
|
route1->mutable_route()->mutable_weighted_clusters()->add_clusters(); |
|
weighted_cluster2->set_name(kDefaultClusterName); |
|
weighted_cluster2->mutable_weight()->set_value(kWeight25); |
|
route1->mutable_route() |
|
->mutable_weighted_clusters() |
|
->mutable_total_weight() |
|
->set_value(kWeight75 + kWeight25); |
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(0, 1); |
|
WaitForAllBackends(1, 2, true, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
int weight_25_request_count = |
|
backends_[0]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
int weight_75_request_count = |
|
backends_[1]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service1()->request_count()); |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
weight_75_request_count, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight75 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight75 / 100 * (1 + kErrorTolerance)))); |
|
// TODO(@donnadionne): Reduce tolerance: increased the tolerance to keep the |
|
// test from flaking while debugging potential root cause. |
|
const double kErrorToleranceSmallLoad = 0.3; |
|
gpr_log(GPR_INFO, "target_75 received %d rpcs and target_25 received %d rpcs", |
|
weight_75_request_count, weight_25_request_count); |
|
EXPECT_THAT(weight_25_request_count, |
|
::testing::AllOf( |
|
::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * kWeight25 / |
|
100 * (1 - kErrorToleranceSmallLoad)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * kWeight25 / |
|
100 * (1 + kErrorToleranceSmallLoad)))); |
|
// Change Route Configurations: new set of clusters with different weights. |
|
weighted_cluster1->mutable_weight()->set_value(kWeight50); |
|
weighted_cluster2->set_name(kNewCluster2Name); |
|
weighted_cluster2->mutable_weight()->set_value(kWeight50); |
|
SetRouteConfiguration(0, new_route_config); |
|
ResetBackendCounters(); |
|
WaitForAllBackends(2, 3, true, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
const int weight_50_request_count_1 = |
|
backends_[1]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
const int weight_50_request_count_2 = |
|
backends_[2]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[3]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service1()->request_count()); |
|
EXPECT_THAT( |
|
weight_50_request_count_1, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight50 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight50 / 100 * (1 + kErrorTolerance)))); |
|
EXPECT_THAT( |
|
weight_50_request_count_2, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight50 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight50 / 100 * (1 + kErrorTolerance)))); |
|
// Change Route Configurations. |
|
weighted_cluster1->mutable_weight()->set_value(kWeight75); |
|
weighted_cluster2->set_name(kNewCluster3Name); |
|
weighted_cluster2->mutable_weight()->set_value(kWeight25); |
|
SetRouteConfiguration(0, new_route_config); |
|
ResetBackendCounters(); |
|
WaitForAllBackends(3, 4, true, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
weight_75_request_count = backends_[1]->backend_service1()->request_count(); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[3]->backend_service()->request_count()); |
|
weight_25_request_count = backends_[3]->backend_service1()->request_count(); |
|
EXPECT_THAT( |
|
weight_75_request_count, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight75 / 100 * (1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * |
|
kWeight75 / 100 * (1 + kErrorTolerance)))); |
|
// TODO(@donnadionne): Reduce tolerance: increased the tolerance to keep the |
|
// test from flaking while debugging potential root cause. |
|
gpr_log(GPR_INFO, "target_75 received %d rpcs and target_25 received %d rpcs", |
|
weight_75_request_count, weight_25_request_count); |
|
EXPECT_THAT(weight_25_request_count, |
|
::testing::AllOf( |
|
::testing::Ge(static_cast<double>(kNumEcho1Rpcs) * kWeight25 / |
|
100 * (1 - kErrorToleranceSmallLoad)), |
|
::testing::Le(static_cast<double>(kNumEcho1Rpcs) * kWeight25 / |
|
100 * (1 + kErrorToleranceSmallLoad)))); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingClusterUpdateClusters) { |
|
const char* kNewClusterName = "new_cluster"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
const size_t kNumEchoRpcs = 5; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsServiceName)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Send Route Configuration. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(0, 1); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
// Change Route Configurations: new default cluster. |
|
auto* default_route = |
|
new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
default_route->mutable_route()->set_cluster(kNewClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
WaitForAllBackends(1, 2); |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
// Make sure RPCs all go to the correct backend. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[1]->backend_service()->request_count()); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingClusterUpdateClustersWithPickingDelays) { |
|
const char* kNewClusterName = "new_cluster"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsServiceName)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Bring down the current backend: 0, this will delay route picking time, |
|
// resulting in un-committed RPCs. |
|
ShutdownBackend(0); |
|
// Send a RouteConfiguration with a default route that points to |
|
// backend 0. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
SetRouteConfiguration(0, new_route_config); |
|
// Send exactly one RPC with no deadline and with wait_for_ready=true. |
|
// This RPC will not complete until after backend 0 is started. |
|
std::thread sending_rpc([this]() { |
|
CheckRpcSendOk(1, RpcOptions().set_wait_for_ready(true).set_timeout_ms(0)); |
|
}); |
|
// Send a non-wait_for_ready RPC which should fail, this will tell us |
|
// that the client has received the update and attempted to connect. |
|
const Status status = SendRpc(RpcOptions().set_timeout_ms(0)); |
|
EXPECT_FALSE(status.ok()); |
|
// Send a update RouteConfiguration to use backend 1. |
|
auto* default_route = |
|
new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
default_route->mutable_route()->set_cluster(kNewClusterName); |
|
SetRouteConfiguration(0, new_route_config); |
|
// Wait for RPCs to go to the new backend: 1, this ensures that the client has |
|
// processed the update. |
|
WaitForAllBackends(1, 2, false, RpcOptions(), true); |
|
// Bring up the previous backend: 0, this will allow the delayed RPC to |
|
// finally call on_call_committed upon completion. |
|
StartBackend(0); |
|
sending_rpc.join(); |
|
// Make sure RPCs go to the correct backend: |
|
EXPECT_EQ(1, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(1, backends_[1]->backend_service()->request_count()); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingApplyXdsTimeout) { |
|
// TODO(https://github.com/grpc/grpc/issues/24549): TSAN won't work here. |
|
if (BuiltUnderAsan() || BuiltUnderTsan()) return; |
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ENABLE_TIMEOUT", "true"); |
|
const int64_t kTimeoutNano = 500000000; |
|
const int64_t kTimeoutGrpcTimeoutHeaderMaxSecond = 1; |
|
const int64_t kTimeoutMaxStreamDurationSecond = 2; |
|
const int64_t kTimeoutHttpMaxStreamDurationSecond = 3; |
|
const int64_t kTimeoutApplicationSecond = 4; |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const char* kNewCluster3Name = "new_cluster_3"; |
|
const char* kNewEdsService3Name = "new_eds_service_name_3"; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args3({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args3, kNewEdsService3Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
Cluster new_cluster3 = default_cluster_; |
|
new_cluster3.set_name(kNewCluster3Name); |
|
new_cluster3.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService3Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster3); |
|
// Construct listener. |
|
auto listener = default_listener_; |
|
HttpConnectionManager http_connection_manager; |
|
// Set up HTTP max_stream_duration of 3.5 seconds |
|
auto* duration = |
|
http_connection_manager.mutable_common_http_protocol_options() |
|
->mutable_max_stream_duration(); |
|
duration->set_seconds(kTimeoutHttpMaxStreamDurationSecond); |
|
duration->set_nanos(kTimeoutNano); |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
// Construct route config. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
// route 1: Set max_stream_duration of 2.5 seconds, Set |
|
// grpc_timeout_header_max of 1.5 |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("/grpc.testing.EchoTest1Service/Echo1"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto* max_stream_duration = |
|
route1->mutable_route()->mutable_max_stream_duration(); |
|
duration = max_stream_duration->mutable_max_stream_duration(); |
|
duration->set_seconds(kTimeoutMaxStreamDurationSecond); |
|
duration->set_nanos(kTimeoutNano); |
|
duration = max_stream_duration->mutable_grpc_timeout_header_max(); |
|
duration->set_seconds(kTimeoutGrpcTimeoutHeaderMaxSecond); |
|
duration->set_nanos(kTimeoutNano); |
|
// route 2: Set max_stream_duration of 2.5 seconds |
|
auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->set_path("/grpc.testing.EchoTest2Service/Echo2"); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
max_stream_duration = route2->mutable_route()->mutable_max_stream_duration(); |
|
duration = max_stream_duration->mutable_max_stream_duration(); |
|
duration->set_seconds(kTimeoutMaxStreamDurationSecond); |
|
duration->set_nanos(kTimeoutNano); |
|
// route 3: No timeout values in route configuration |
|
auto* route3 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route3->mutable_match()->set_path("/grpc.testing.EchoTestService/Echo"); |
|
route3->mutable_route()->set_cluster(kNewCluster3Name); |
|
// Set listener and route config. |
|
SetListenerAndRouteConfiguration(0, std::move(listener), new_route_config); |
|
// Test grpc_timeout_header_max of 1.5 seconds applied |
|
auto t0 = system_clock::now(); |
|
CheckRpcSendFailure(1, |
|
RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_wait_for_ready(true) |
|
.set_timeout_ms(kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
auto ellapsed_nano_seconds = |
|
std::chrono::duration_cast<std::chrono::nanoseconds>(system_clock::now() - |
|
t0); |
|
EXPECT_GT(ellapsed_nano_seconds.count(), |
|
kTimeoutGrpcTimeoutHeaderMaxSecond * 1000000000 + kTimeoutNano); |
|
EXPECT_LT(ellapsed_nano_seconds.count(), |
|
kTimeoutMaxStreamDurationSecond * 1000000000); |
|
// Test max_stream_duration of 2.5 seconds applied |
|
t0 = system_clock::now(); |
|
CheckRpcSendFailure(1, |
|
RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO2) |
|
.set_rpc_method(METHOD_ECHO2) |
|
.set_wait_for_ready(true) |
|
.set_timeout_ms(kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
ellapsed_nano_seconds = std::chrono::duration_cast<std::chrono::nanoseconds>( |
|
system_clock::now() - t0); |
|
EXPECT_GT(ellapsed_nano_seconds.count(), |
|
kTimeoutMaxStreamDurationSecond * 1000000000 + kTimeoutNano); |
|
EXPECT_LT(ellapsed_nano_seconds.count(), |
|
kTimeoutHttpMaxStreamDurationSecond * 1000000000); |
|
// Test http_stream_duration of 3.5 seconds applied |
|
t0 = system_clock::now(); |
|
CheckRpcSendFailure(1, |
|
RpcOptions().set_wait_for_ready(true).set_timeout_ms( |
|
kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
ellapsed_nano_seconds = std::chrono::duration_cast<std::chrono::nanoseconds>( |
|
system_clock::now() - t0); |
|
EXPECT_GT(ellapsed_nano_seconds.count(), |
|
kTimeoutHttpMaxStreamDurationSecond * 1000000000 + kTimeoutNano); |
|
EXPECT_LT(ellapsed_nano_seconds.count(), |
|
kTimeoutApplicationSecond * 1000000000); |
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ENABLE_TIMEOUT"); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingXdsTimeoutDisabled) { |
|
const int64_t kTimeoutMillis = 500; |
|
const int64_t kTimeoutNano = kTimeoutMillis * 1000000; |
|
const int64_t kTimeoutGrpcTimeoutHeaderMaxSecond = 1; |
|
const int64_t kTimeoutApplicationSecond = 4; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
RouteConfiguration new_route_config = default_route_config_; |
|
// route 1: Set grpc_timeout_header_max of 1.5 |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
auto* max_stream_duration = |
|
route1->mutable_route()->mutable_max_stream_duration(); |
|
auto* duration = max_stream_duration->mutable_grpc_timeout_header_max(); |
|
duration->set_seconds(kTimeoutGrpcTimeoutHeaderMaxSecond); |
|
duration->set_nanos(kTimeoutNano); |
|
SetRouteConfiguration(0, new_route_config); |
|
// Test grpc_timeout_header_max of 1.5 seconds is not applied |
|
gpr_timespec t0 = gpr_now(GPR_CLOCK_MONOTONIC); |
|
gpr_timespec est_timeout_time = gpr_time_add( |
|
t0, gpr_time_from_millis( |
|
kTimeoutGrpcTimeoutHeaderMaxSecond * 1000 + kTimeoutMillis, |
|
GPR_TIMESPAN)); |
|
CheckRpcSendFailure(1, |
|
RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_wait_for_ready(true) |
|
.set_timeout_ms(kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
gpr_timespec timeout_time = gpr_now(GPR_CLOCK_MONOTONIC); |
|
EXPECT_GT(gpr_time_cmp(timeout_time, est_timeout_time), 0); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingHttpTimeoutDisabled) { |
|
const int64_t kTimeoutMillis = 500; |
|
const int64_t kTimeoutNano = kTimeoutMillis * 1000000; |
|
const int64_t kTimeoutHttpMaxStreamDurationSecond = 3; |
|
const int64_t kTimeoutApplicationSecond = 4; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
// Construct listener. |
|
auto listener = default_listener_; |
|
HttpConnectionManager http_connection_manager; |
|
// Set up HTTP max_stream_duration of 3.5 seconds |
|
auto* duration = |
|
http_connection_manager.mutable_common_http_protocol_options() |
|
->mutable_max_stream_duration(); |
|
duration->set_seconds(kTimeoutHttpMaxStreamDurationSecond); |
|
duration->set_nanos(kTimeoutNano); |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
SetListenerAndRouteConfiguration(0, std::move(listener), |
|
default_route_config_); |
|
// Test http_stream_duration of 3.5 seconds is not applied |
|
auto t0 = gpr_now(GPR_CLOCK_MONOTONIC); |
|
auto est_timeout_time = gpr_time_add( |
|
t0, gpr_time_from_millis( |
|
kTimeoutHttpMaxStreamDurationSecond * 1000 + kTimeoutMillis, |
|
GPR_TIMESPAN)); |
|
CheckRpcSendFailure(1, |
|
RpcOptions().set_wait_for_ready(true).set_timeout_ms( |
|
kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
auto timeout_time = gpr_now(GPR_CLOCK_MONOTONIC); |
|
EXPECT_GT(gpr_time_cmp(timeout_time, est_timeout_time), 0); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingApplyApplicationTimeoutWhenXdsTimeoutExplicit0) { |
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ENABLE_TIMEOUT", "true"); |
|
const int64_t kTimeoutNano = 500000000; |
|
const int64_t kTimeoutMaxStreamDurationSecond = 2; |
|
const int64_t kTimeoutHttpMaxStreamDurationSecond = 3; |
|
const int64_t kTimeoutApplicationSecond = 4; |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Construct listener. |
|
auto listener = default_listener_; |
|
HttpConnectionManager http_connection_manager; |
|
// Set up HTTP max_stream_duration of 3.5 seconds |
|
auto* duration = |
|
http_connection_manager.mutable_common_http_protocol_options() |
|
->mutable_max_stream_duration(); |
|
duration->set_seconds(kTimeoutHttpMaxStreamDurationSecond); |
|
duration->set_nanos(kTimeoutNano); |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
// Construct route config. |
|
RouteConfiguration new_route_config = default_route_config_; |
|
// route 1: Set max_stream_duration of 2.5 seconds, Set |
|
// grpc_timeout_header_max of 0 |
|
auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_path("/grpc.testing.EchoTest1Service/Echo1"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto* max_stream_duration = |
|
route1->mutable_route()->mutable_max_stream_duration(); |
|
duration = max_stream_duration->mutable_max_stream_duration(); |
|
duration->set_seconds(kTimeoutMaxStreamDurationSecond); |
|
duration->set_nanos(kTimeoutNano); |
|
duration = max_stream_duration->mutable_grpc_timeout_header_max(); |
|
duration->set_seconds(0); |
|
duration->set_nanos(0); |
|
// route 2: Set max_stream_duration to 0 |
|
auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->set_path("/grpc.testing.EchoTest2Service/Echo2"); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
max_stream_duration = route2->mutable_route()->mutable_max_stream_duration(); |
|
duration = max_stream_duration->mutable_max_stream_duration(); |
|
duration->set_seconds(0); |
|
duration->set_nanos(0); |
|
// Set listener and route config. |
|
SetListenerAndRouteConfiguration(0, std::move(listener), new_route_config); |
|
// Test application timeout is applied for route 1 |
|
auto t0 = system_clock::now(); |
|
CheckRpcSendFailure(1, |
|
RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_wait_for_ready(true) |
|
.set_timeout_ms(kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
auto ellapsed_nano_seconds = |
|
std::chrono::duration_cast<std::chrono::nanoseconds>(system_clock::now() - |
|
t0); |
|
EXPECT_GT(ellapsed_nano_seconds.count(), |
|
kTimeoutApplicationSecond * 1000000000); |
|
// Test application timeout is applied for route 2 |
|
t0 = system_clock::now(); |
|
CheckRpcSendFailure(1, |
|
RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO2) |
|
.set_rpc_method(METHOD_ECHO2) |
|
.set_wait_for_ready(true) |
|
.set_timeout_ms(kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
ellapsed_nano_seconds = std::chrono::duration_cast<std::chrono::nanoseconds>( |
|
system_clock::now() - t0); |
|
EXPECT_GT(ellapsed_nano_seconds.count(), |
|
kTimeoutApplicationSecond * 1000000000); |
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ENABLE_TIMEOUT"); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingApplyApplicationTimeoutWhenHttpTimeoutExplicit0) { |
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ENABLE_TIMEOUT", "true"); |
|
const int64_t kTimeoutApplicationSecond = 4; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
HttpConnectionManager http_connection_manager; |
|
// Set up HTTP max_stream_duration to be explicit 0 |
|
auto* duration = |
|
http_connection_manager.mutable_common_http_protocol_options() |
|
->mutable_max_stream_duration(); |
|
duration->set_seconds(0); |
|
duration->set_nanos(0); |
|
auto listener = default_listener_; |
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom( |
|
http_connection_manager); |
|
// Set listener and route config. |
|
SetListenerAndRouteConfiguration(0, std::move(listener), |
|
default_route_config_); |
|
// Test application timeout is applied for route 1 |
|
auto t0 = system_clock::now(); |
|
CheckRpcSendFailure(1, |
|
RpcOptions().set_wait_for_ready(true).set_timeout_ms( |
|
kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
auto ellapsed_nano_seconds = |
|
std::chrono::duration_cast<std::chrono::nanoseconds>(system_clock::now() - |
|
t0); |
|
EXPECT_GT(ellapsed_nano_seconds.count(), |
|
kTimeoutApplicationSecond * 1000000000); |
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ENABLE_TIMEOUT"); |
|
} |
|
|
|
// Test to ensure application-specified deadline won't be affected when |
|
// the xDS config does not specify a timeout. |
|
TEST_P(LdsRdsTest, XdsRoutingWithOnlyApplicationTimeout) { |
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ENABLE_TIMEOUT", "true"); |
|
const int64_t kTimeoutApplicationSecond = 4; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {g_port_saver->GetPort()}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
auto t0 = system_clock::now(); |
|
CheckRpcSendFailure(1, |
|
RpcOptions().set_wait_for_ready(true).set_timeout_ms( |
|
kTimeoutApplicationSecond * 1000), |
|
StatusCode::DEADLINE_EXCEEDED); |
|
auto ellapsed_nano_seconds = |
|
std::chrono::duration_cast<std::chrono::nanoseconds>(system_clock::now() - |
|
t0); |
|
EXPECT_GT(ellapsed_nano_seconds.count(), |
|
kTimeoutApplicationSecond * 1000000000); |
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ENABLE_TIMEOUT"); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingHeadersMatching) { |
|
const char* kNewClusterName = "new_cluster"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
const size_t kNumEcho1Rpcs = 100; |
|
const size_t kNumEchoRpcs = 5; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsServiceName)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* header_matcher1 = route1->mutable_match()->add_headers(); |
|
header_matcher1->set_name("header1"); |
|
header_matcher1->set_exact_match("POST,PUT,GET"); |
|
auto* header_matcher2 = route1->mutable_match()->add_headers(); |
|
header_matcher2->set_name("header2"); |
|
header_matcher2->mutable_safe_regex_match()->set_regex("[a-z]*"); |
|
auto* header_matcher3 = route1->mutable_match()->add_headers(); |
|
header_matcher3->set_name("header3"); |
|
header_matcher3->mutable_range_match()->set_start(1); |
|
header_matcher3->mutable_range_match()->set_end(1000); |
|
auto* header_matcher4 = route1->mutable_match()->add_headers(); |
|
header_matcher4->set_name("header4"); |
|
header_matcher4->set_present_match(false); |
|
auto* header_matcher5 = route1->mutable_match()->add_headers(); |
|
header_matcher5->set_name("header5"); |
|
header_matcher5->set_prefix_match("/grpc"); |
|
auto* header_matcher6 = route1->mutable_match()->add_headers(); |
|
header_matcher6->set_name("header6"); |
|
header_matcher6->set_suffix_match(".cc"); |
|
header_matcher6->set_invert_match(true); |
|
route1->mutable_route()->set_cluster(kNewClusterName); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
std::vector<std::pair<std::string, std::string>> metadata = { |
|
{"header1", "POST"}, {"header2", "blah"}, |
|
{"header3", "1"}, {"header5", "/grpc.testing.EchoTest1Service/"}, |
|
{"header1", "PUT"}, {"header6", "grpc.java"}, |
|
{"header1", "GET"}, |
|
}; |
|
const auto header_match_rpc_options = RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_metadata(std::move(metadata)); |
|
// Make sure all backends are up. |
|
WaitForAllBackends(0, 1); |
|
WaitForAllBackends(1, 2, true, header_match_rpc_options); |
|
// Send RPCs. |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
CheckRpcSendOk(kNumEcho1Rpcs, header_match_rpc_options); |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service2()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
EXPECT_EQ(kNumEcho1Rpcs, backends_[1]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service2()->request_count()); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingHeadersMatchingSpecialHeaderContentType) { |
|
const char* kNewClusterName = "new_cluster"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
const size_t kNumEchoRpcs = 100; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsServiceName)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix(""); |
|
auto* header_matcher1 = route1->mutable_match()->add_headers(); |
|
header_matcher1->set_name("content-type"); |
|
header_matcher1->set_exact_match("notapplication/grpc"); |
|
route1->mutable_route()->set_cluster(kNewClusterName); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
auto* header_matcher2 = default_route->mutable_match()->add_headers(); |
|
header_matcher2->set_name("content-type"); |
|
header_matcher2->set_exact_match("application/grpc"); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
// Make sure the backend is up. |
|
WaitForAllBackends(0, 1); |
|
// Send RPCs. |
|
CheckRpcSendOk(kNumEchoRpcs); |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingHeadersMatchingSpecialCasesToIgnore) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const size_t kNumEchoRpcs = 100; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix(""); |
|
auto* header_matcher1 = route1->mutable_match()->add_headers(); |
|
header_matcher1->set_name("grpc-foo-bin"); |
|
header_matcher1->set_present_match(true); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto route2 = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->set_prefix(""); |
|
auto* header_matcher2 = route2->mutable_match()->add_headers(); |
|
header_matcher2->set_name("grpc-previous-rpc-attempts"); |
|
header_matcher2->set_present_match(true); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
// Send headers which will mismatch each route |
|
std::vector<std::pair<std::string, std::string>> metadata = { |
|
{"grpc-foo-bin", "grpc-foo-bin"}, |
|
{"grpc-previous-rpc-attempts", "grpc-previous-rpc-attempts"}, |
|
}; |
|
WaitForAllBackends(0, 1); |
|
CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_metadata(metadata)); |
|
// Verify that only the default backend got RPCs since all previous routes |
|
// were mismatched. |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[2]->backend_service()->request_count()); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingRuntimeFractionMatching) { |
|
const char* kNewClusterName = "new_cluster"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
const size_t kNumRpcs = 1000; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsServiceName)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match() |
|
->mutable_runtime_fraction() |
|
->mutable_default_value() |
|
->set_numerator(25); |
|
route1->mutable_route()->set_cluster(kNewClusterName); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
WaitForAllBackends(0, 2); |
|
CheckRpcSendOk(kNumRpcs); |
|
const int default_backend_count = |
|
backends_[0]->backend_service()->request_count(); |
|
const int matched_backend_count = |
|
backends_[1]->backend_service()->request_count(); |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
default_backend_count, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumRpcs) * 75 / 100 * |
|
(1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumRpcs) * 75 / 100 * |
|
(1 + kErrorTolerance)))); |
|
EXPECT_THAT( |
|
matched_backend_count, |
|
::testing::AllOf(::testing::Ge(static_cast<double>(kNumRpcs) * 25 / 100 * |
|
(1 - kErrorTolerance)), |
|
::testing::Le(static_cast<double>(kNumRpcs) * 25 / 100 * |
|
(1 + kErrorTolerance)))); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingHeadersMatchingUnmatchCases) { |
|
const char* kNewCluster1Name = "new_cluster_1"; |
|
const char* kNewEdsService1Name = "new_eds_service_name_1"; |
|
const char* kNewCluster2Name = "new_cluster_2"; |
|
const char* kNewEdsService2Name = "new_eds_service_name_2"; |
|
const char* kNewCluster3Name = "new_cluster_3"; |
|
const char* kNewEdsService3Name = "new_eds_service_name_3"; |
|
const size_t kNumEcho1Rpcs = 100; |
|
const size_t kNumEchoRpcs = 5; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args2({ |
|
{"locality0", GetBackendPorts(2, 3)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args3({ |
|
{"locality0", GetBackendPorts(3, 4)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsService1Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args2, kNewEdsService2Name)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args3, kNewEdsService3Name)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster1 = default_cluster_; |
|
new_cluster1.set_name(kNewCluster1Name); |
|
new_cluster1.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService1Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1); |
|
Cluster new_cluster2 = default_cluster_; |
|
new_cluster2.set_name(kNewCluster2Name); |
|
new_cluster2.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService2Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2); |
|
Cluster new_cluster3 = default_cluster_; |
|
new_cluster3.set_name(kNewCluster3Name); |
|
new_cluster3.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsService3Name); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster3); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* header_matcher1 = route1->mutable_match()->add_headers(); |
|
header_matcher1->set_name("header1"); |
|
header_matcher1->set_exact_match("POST"); |
|
route1->mutable_route()->set_cluster(kNewCluster1Name); |
|
auto route2 = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route2->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* header_matcher2 = route2->mutable_match()->add_headers(); |
|
header_matcher2->set_name("header2"); |
|
header_matcher2->mutable_range_match()->set_start(1); |
|
header_matcher2->mutable_range_match()->set_end(1000); |
|
route2->mutable_route()->set_cluster(kNewCluster2Name); |
|
auto route3 = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
route3->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
auto* header_matcher3 = route3->mutable_match()->add_headers(); |
|
header_matcher3->set_name("header3"); |
|
header_matcher3->mutable_safe_regex_match()->set_regex("[a-z]*"); |
|
route3->mutable_route()->set_cluster(kNewCluster3Name); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
// Send headers which will mismatch each route |
|
std::vector<std::pair<std::string, std::string>> metadata = { |
|
{"header1", "POST"}, |
|
{"header2", "1000"}, |
|
{"header3", "123"}, |
|
{"header1", "GET"}, |
|
}; |
|
WaitForAllBackends(0, 1); |
|
CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_metadata(metadata)); |
|
CheckRpcSendOk(kNumEcho1Rpcs, RpcOptions() |
|
.set_rpc_service(SERVICE_ECHO1) |
|
.set_rpc_method(METHOD_ECHO1) |
|
.set_metadata(metadata)); |
|
// Verify that only the default backend got RPCs since all previous routes |
|
// were mismatched. |
|
for (size_t i = 1; i < 4; ++i) { |
|
EXPECT_EQ(0, backends_[i]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[i]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[i]->backend_service2()->request_count()); |
|
} |
|
EXPECT_EQ(kNumEchoRpcs, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(kNumEcho1Rpcs, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service2()->request_count()); |
|
const auto& response_state = RouteConfigurationResponseState(0); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
TEST_P(LdsRdsTest, XdsRoutingChangeRoutesWithoutChangingClusters) { |
|
const char* kNewClusterName = "new_cluster"; |
|
const char* kNewEdsServiceName = "new_eds_service_name"; |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// Populate new EDS resources. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
AdsServiceImpl::EdsResourceArgs args1({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args1, kNewEdsServiceName)); |
|
// Populate new CDS resources. |
|
Cluster new_cluster = default_cluster_; |
|
new_cluster.set_name(kNewClusterName); |
|
new_cluster.mutable_eds_cluster_config()->set_service_name( |
|
kNewEdsServiceName); |
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster); |
|
// Populating Route Configurations for LDS. |
|
RouteConfiguration route_config = default_route_config_; |
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0); |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/"); |
|
route1->mutable_route()->set_cluster(kNewClusterName); |
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes(); |
|
default_route->mutable_match()->set_prefix(""); |
|
default_route->mutable_route()->set_cluster(kDefaultClusterName); |
|
SetRouteConfiguration(0, route_config); |
|
// Make sure all backends are up and that requests for each RPC |
|
// service go to the right backends. |
|
WaitForAllBackends(0, 1, false); |
|
WaitForAllBackends(1, 2, false, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
WaitForAllBackends(0, 1, false, RpcOptions().set_rpc_service(SERVICE_ECHO2)); |
|
// Requests for services Echo and Echo2 should have gone to backend 0. |
|
EXPECT_EQ(1, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(1, backends_[0]->backend_service2()->request_count()); |
|
// Requests for service Echo1 should have gone to backend 1. |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
EXPECT_EQ(1, backends_[1]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service2()->request_count()); |
|
// Now send an update that changes the first route to match a |
|
// different RPC service, and wait for the client to make the change. |
|
route1->mutable_match()->set_prefix("/grpc.testing.EchoTest2Service/"); |
|
SetRouteConfiguration(0, route_config); |
|
WaitForAllBackends(1, 2, true, RpcOptions().set_rpc_service(SERVICE_ECHO2)); |
|
// Now repeat the earlier test, making sure all traffic goes to the |
|
// right place. |
|
WaitForAllBackends(0, 1, false); |
|
WaitForAllBackends(0, 1, false, RpcOptions().set_rpc_service(SERVICE_ECHO1)); |
|
WaitForAllBackends(1, 2, false, RpcOptions().set_rpc_service(SERVICE_ECHO2)); |
|
// Requests for services Echo and Echo1 should have gone to backend 0. |
|
EXPECT_EQ(1, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(1, backends_[0]->backend_service1()->request_count()); |
|
EXPECT_EQ(0, backends_[0]->backend_service2()->request_count()); |
|
// Requests for service Echo2 should have gone to backend 1. |
|
EXPECT_EQ(0, backends_[1]->backend_service()->request_count()); |
|
EXPECT_EQ(0, backends_[1]->backend_service1()->request_count()); |
|
EXPECT_EQ(1, backends_[1]->backend_service2()->request_count()); |
|
} |
|
|
|
using CdsTest = BasicTest; |
|
|
|
// Tests that CDS client should send an ACK upon correct CDS response. |
|
TEST_P(CdsTest, Vanilla) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
(void)SendRpc(); |
|
EXPECT_EQ(balancers_[0]->ads_service()->cds_response_state().state, |
|
AdsServiceImpl::ResponseState::ACKED); |
|
} |
|
|
|
// Tests that CDS client should send a NACK if the cluster type in CDS response |
|
// is other than EDS. |
|
TEST_P(CdsTest, WrongClusterType) { |
|
auto cluster = default_cluster_; |
|
cluster.set_type(Cluster::STATIC); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->cds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "DiscoveryType is not EDS."); |
|
} |
|
|
|
// Tests that CDS client should send a NACK if the eds_config in CDS response is |
|
// other than ADS. |
|
TEST_P(CdsTest, WrongEdsConfig) { |
|
auto cluster = default_cluster_; |
|
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self(); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->cds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "EDS ConfigSource is not ADS."); |
|
} |
|
|
|
// Tests that CDS client should send a NACK if the lb_policy in CDS response is |
|
// other than ROUND_ROBIN. |
|
TEST_P(CdsTest, WrongLbPolicy) { |
|
auto cluster = default_cluster_; |
|
cluster.set_lb_policy(Cluster::LEAST_REQUEST); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->cds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "LB policy is not ROUND_ROBIN."); |
|
} |
|
|
|
// Tests that CDS client should send a NACK if the lrs_server in CDS response is |
|
// other than SELF. |
|
TEST_P(CdsTest, WrongLrsServer) { |
|
auto cluster = default_cluster_; |
|
cluster.mutable_lrs_server()->mutable_ads(); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->cds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, "LRS ConfigSource is not self."); |
|
} |
|
|
|
class XdsSecurityTest : public BasicTest { |
|
protected: |
|
static void SetUpTestCase() { |
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT", "true"); |
|
BasicTest::SetUpTestCase(); |
|
grpc_core::CertificateProviderRegistry::RegisterCertificateProviderFactory( |
|
absl::make_unique<FakeCertificateProviderFactory>( |
|
"fake1", &g_fake1_cert_data_map)); |
|
grpc_core::CertificateProviderRegistry::RegisterCertificateProviderFactory( |
|
absl::make_unique<FakeCertificateProviderFactory>( |
|
"fake2", &g_fake2_cert_data_map)); |
|
} |
|
|
|
static void TearDownTestCase() { |
|
BasicTest::TearDownTestCase(); |
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT"); |
|
} |
|
|
|
void SetUp() override { |
|
BasicTest::SetUp(); |
|
root_cert_ = ReadFile(kCaCertPath); |
|
bad_root_cert_ = ReadFile(kBadClientCertPath); |
|
identity_pair_ = ReadTlsIdentityPair(kClientKeyPath, kClientCertPath); |
|
// TODO(yashykt): Use different client certs here instead of reusing server |
|
// certs after https://github.com/grpc/grpc/pull/24876 is merged |
|
fallback_identity_pair_ = |
|
ReadTlsIdentityPair(kServerKeyPath, kServerCertPath); |
|
bad_identity_pair_ = |
|
ReadTlsIdentityPair(kBadClientKeyPath, kBadClientCertPath); |
|
server_san_exact_.set_exact("*.test.google.fr"); |
|
server_san_prefix_.set_prefix("waterzooi.test.google"); |
|
server_san_suffix_.set_suffix("google.fr"); |
|
server_san_contains_.set_contains("google"); |
|
server_san_regex_.mutable_safe_regex()->mutable_google_re2(); |
|
server_san_regex_.mutable_safe_regex()->set_regex( |
|
"(foo|waterzooi).test.google.(fr|be)"); |
|
bad_san_1_.set_exact("192.168.1.4"); |
|
bad_san_2_.set_exact("foo.test.google.in"); |
|
authenticated_identity_ = {"testclient"}; |
|
fallback_authenticated_identity_ = {"*.test.google.fr", |
|
"waterzooi.test.google.be", |
|
"*.test.youtube.com", "192.168.1.3"}; |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
} |
|
|
|
void TearDown() override { |
|
g_fake1_cert_data_map = nullptr; |
|
g_fake2_cert_data_map = nullptr; |
|
BasicTest::TearDown(); |
|
} |
|
|
|
// Sends CDS updates with the new security configuration and verifies that |
|
// after propagation, this new configuration is used for connections. If \a |
|
// identity_instance_name and \a root_instance_name are both empty, |
|
// connections are expected to use fallback credentials. |
|
void UpdateAndVerifyXdsSecurityConfiguration( |
|
absl::string_view root_instance_name, |
|
absl::string_view root_certificate_name, |
|
absl::string_view identity_instance_name, |
|
absl::string_view identity_certificate_name, |
|
const std::vector<StringMatcher>& san_matchers, |
|
const std::vector<std::string>& expected_authenticated_identity, |
|
bool test_expects_failure = false) { |
|
auto cluster = default_cluster_; |
|
if (!identity_instance_name.empty() || !root_instance_name.empty()) { |
|
auto* transport_socket = cluster.mutable_transport_socket(); |
|
transport_socket->set_name("envoy.transport_sockets.tls"); |
|
UpstreamTlsContext upstream_tls_context; |
|
if (!identity_instance_name.empty()) { |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_tls_certificate_certificate_provider_instance() |
|
->set_instance_name(std::string(identity_instance_name)); |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_tls_certificate_certificate_provider_instance() |
|
->set_certificate_name(std::string(identity_certificate_name)); |
|
} |
|
if (!root_instance_name.empty()) { |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_combined_validation_context() |
|
->mutable_validation_context_certificate_provider_instance() |
|
->set_instance_name(std::string(root_instance_name)); |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_combined_validation_context() |
|
->mutable_validation_context_certificate_provider_instance() |
|
->set_certificate_name(std::string(root_certificate_name)); |
|
} |
|
if (!san_matchers.empty()) { |
|
auto* validation_context = |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_combined_validation_context() |
|
->mutable_default_validation_context(); |
|
for (const auto& san_matcher : san_matchers) { |
|
*validation_context->add_match_subject_alt_names() = san_matcher; |
|
} |
|
} |
|
transport_socket->mutable_typed_config()->PackFrom(upstream_tls_context); |
|
} |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
// The updates might take time to have an effect, so use a retry loop. |
|
constexpr int kRetryCount = 10; |
|
int num_tries = 0; |
|
for (; num_tries < kRetryCount; num_tries++) { |
|
// Give some time for the updates to propagate. |
|
gpr_sleep_until(grpc_timeout_milliseconds_to_deadline(100)); |
|
ShutdownBackend(0); |
|
StartBackend(0); |
|
ResetBackendCounters(); |
|
if (test_expects_failure) { |
|
if (!SendRpc().ok()) break; |
|
} else { |
|
WaitForBackend(0); |
|
if (SendRpc().ok() && |
|
backends_[0]->backend_service()->request_count() == 1UL && |
|
backends_[0]->backend_service()->last_peer_identity() == |
|
expected_authenticated_identity) { |
|
break; |
|
} |
|
} |
|
} |
|
EXPECT_TRUE(num_tries < kRetryCount); |
|
} |
|
|
|
std::string root_cert_; |
|
std::string bad_root_cert_; |
|
grpc_core::PemKeyCertPairList identity_pair_; |
|
grpc_core::PemKeyCertPairList fallback_identity_pair_; |
|
grpc_core::PemKeyCertPairList bad_identity_pair_; |
|
StringMatcher server_san_exact_; |
|
StringMatcher server_san_prefix_; |
|
StringMatcher server_san_suffix_; |
|
StringMatcher server_san_contains_; |
|
StringMatcher server_san_regex_; |
|
StringMatcher bad_san_1_; |
|
StringMatcher bad_san_2_; |
|
std::vector<std::string> authenticated_identity_; |
|
std::vector<std::string> fallback_authenticated_identity_; |
|
}; |
|
|
|
TEST_P(XdsSecurityTest, |
|
TLSConfigurationWithoutValidationContextCertificateProviderInstance) { |
|
auto cluster = default_cluster_; |
|
auto* transport_socket = cluster.mutable_transport_socket(); |
|
transport_socket->set_name("envoy.transport_sockets.tls"); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->cds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"TLS configuration provided but no " |
|
"validation_context_certificate_provider_instance found."); |
|
} |
|
|
|
TEST_P( |
|
XdsSecurityTest, |
|
MatchSubjectAltNamesProvidedWithoutValidationContextCertificateProviderInstance) { |
|
auto cluster = default_cluster_; |
|
auto* transport_socket = cluster.mutable_transport_socket(); |
|
transport_socket->set_name("envoy.transport_sockets.tls"); |
|
UpstreamTlsContext upstream_tls_context; |
|
auto* validation_context = upstream_tls_context.mutable_common_tls_context() |
|
->mutable_combined_validation_context() |
|
->mutable_default_validation_context(); |
|
*validation_context->add_match_subject_alt_names() = server_san_exact_; |
|
transport_socket->mutable_typed_config()->PackFrom(upstream_tls_context); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->cds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"TLS configuration provided but no " |
|
"validation_context_certificate_provider_instance found."); |
|
} |
|
|
|
TEST_P( |
|
XdsSecurityTest, |
|
TlsCertificateCertificateProviderInstanceWithoutValidationContextCertificateProviderInstance) { |
|
auto cluster = default_cluster_; |
|
auto* transport_socket = cluster.mutable_transport_socket(); |
|
transport_socket->set_name("envoy.transport_sockets.tls"); |
|
UpstreamTlsContext upstream_tls_context; |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_tls_certificate_certificate_provider_instance() |
|
->set_instance_name(std::string("instance_name")); |
|
transport_socket->mutable_typed_config()->PackFrom(upstream_tls_context); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->cds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"TLS configuration provided but no " |
|
"validation_context_certificate_provider_instance found."); |
|
} |
|
|
|
TEST_P(XdsSecurityTest, RegexSanMatcherDoesNotAllowIgnoreCase) { |
|
auto cluster = default_cluster_; |
|
auto* transport_socket = cluster.mutable_transport_socket(); |
|
transport_socket->set_name("envoy.transport_sockets.tls"); |
|
UpstreamTlsContext upstream_tls_context; |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_combined_validation_context() |
|
->mutable_validation_context_certificate_provider_instance() |
|
->set_instance_name(std::string("fake_plugin1")); |
|
auto* validation_context = upstream_tls_context.mutable_common_tls_context() |
|
->mutable_combined_validation_context() |
|
->mutable_default_validation_context(); |
|
StringMatcher matcher; |
|
matcher.mutable_safe_regex()->mutable_google_re2(); |
|
matcher.mutable_safe_regex()->set_regex( |
|
"(foo|waterzooi).test.google.(fr|be)"); |
|
matcher.set_ignore_case(true); |
|
*validation_context->add_match_subject_alt_names() = matcher; |
|
transport_socket->mutable_typed_config()->PackFrom(upstream_tls_context); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->cds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"StringMatcher: ignore_case has no effect for SAFE_REGEX."); |
|
} |
|
|
|
TEST_P(XdsSecurityTest, UnknownRootCertificateProvider) { |
|
auto cluster = default_cluster_; |
|
auto* transport_socket = cluster.mutable_transport_socket(); |
|
transport_socket->set_name("envoy.transport_sockets.tls"); |
|
UpstreamTlsContext upstream_tls_context; |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_combined_validation_context() |
|
->mutable_validation_context_certificate_provider_instance() |
|
->set_instance_name("unknown"); |
|
transport_socket->mutable_typed_config()->PackFrom(upstream_tls_context); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
CheckRpcSendFailure(1, RpcOptions(), StatusCode::UNAVAILABLE); |
|
} |
|
|
|
TEST_P(XdsSecurityTest, UnknownIdentityCertificateProvider) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
auto cluster = default_cluster_; |
|
auto* transport_socket = cluster.mutable_transport_socket(); |
|
transport_socket->set_name("envoy.transport_sockets.tls"); |
|
UpstreamTlsContext upstream_tls_context; |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_tls_certificate_certificate_provider_instance() |
|
->set_instance_name("unknown"); |
|
upstream_tls_context.mutable_common_tls_context() |
|
->mutable_combined_validation_context() |
|
->mutable_validation_context_certificate_provider_instance() |
|
->set_instance_name("fake_plugin1"); |
|
transport_socket->mutable_typed_config()->PackFrom(upstream_tls_context); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
CheckRpcSendFailure(1, RpcOptions(), StatusCode::UNAVAILABLE); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithNoSanMatchers) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {}, authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithExactSanMatcher) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithPrefixSanMatcher) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_prefix_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithSuffixSanMatcher) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_suffix_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithContainsSanMatcher) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_contains_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithRegexSanMatcher) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_regex_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithSanMatchersUpdate) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration( |
|
"fake_plugin1", "", "fake_plugin1", "", |
|
{server_san_exact_, server_san_prefix_}, authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {bad_san_1_, bad_san_2_}, {}, |
|
true /* failure */); |
|
UpdateAndVerifyXdsSecurityConfiguration( |
|
"fake_plugin1", "", "fake_plugin1", "", |
|
{server_san_prefix_, server_san_regex_}, authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithRootPluginUpdate) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
FakeCertificateProvider::CertDataMap fake2_cert_map = { |
|
{"", {bad_root_cert_, bad_identity_pair_}}}; |
|
g_fake2_cert_data_map = &fake2_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin2" /* bad root */, "", |
|
"fake_plugin1", "", {}, {}, |
|
true /* failure */); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
g_fake2_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithIdentityPluginUpdate) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
FakeCertificateProvider::CertDataMap fake2_cert_map = { |
|
{"", {root_cert_, fallback_identity_pair_}}}; |
|
g_fake2_cert_data_map = &fake2_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin2", |
|
"", {server_san_exact_}, |
|
fallback_authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
g_fake2_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithBothPluginsUpdated) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
FakeCertificateProvider::CertDataMap fake2_cert_map = { |
|
{"", {bad_root_cert_, bad_identity_pair_}}, |
|
{"good", {root_cert_, fallback_identity_pair_}}}; |
|
g_fake2_cert_data_map = &fake2_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin2", "", "fake_plugin2", |
|
"", {}, {}, true /* failure */); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_prefix_}, |
|
authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration( |
|
"fake_plugin2", "good", "fake_plugin2", "good", {server_san_prefix_}, |
|
fallback_authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
g_fake2_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithRootCertificateNameUpdate) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}, |
|
{"bad", {bad_root_cert_, bad_identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_regex_}, |
|
authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "bad", "fake_plugin1", |
|
"", {server_san_regex_}, {}, |
|
true /* failure */); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, |
|
TestMtlsConfigurationWithIdentityCertificateNameUpdate) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}, |
|
{"bad", {bad_root_cert_, bad_identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"bad", {server_san_exact_}, {}, |
|
true /* failure */); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, |
|
TestMtlsConfigurationWithIdentityCertificateNameUpdateGoodCerts) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}, |
|
{"good", {root_cert_, fallback_identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"good", {server_san_exact_}, |
|
fallback_authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsConfigurationWithBothCertificateNamesUpdated) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}, |
|
{"bad", {bad_root_cert_, bad_identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "bad", "fake_plugin1", |
|
"bad", {server_san_prefix_}, {}, |
|
true /* failure */); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_prefix_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestTlsConfigurationWithNoSanMatchers) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "", "", {}, |
|
{} /* unauthenticated */); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestTlsConfigurationWithSanMatchers) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration( |
|
"fake_plugin1", "", "", "", |
|
{server_san_exact_, server_san_prefix_, server_san_regex_}, |
|
{} /* unauthenticated */); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestTlsConfigurationWithSanMatchersUpdate) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration( |
|
"fake_plugin1", "", "", "", {server_san_exact_, server_san_prefix_}, |
|
{} /* unauthenticated */); |
|
UpdateAndVerifyXdsSecurityConfiguration( |
|
"fake_plugin1", "", "", "", {bad_san_1_, bad_san_2_}, |
|
{} /* unauthenticated */, true /* failure */); |
|
UpdateAndVerifyXdsSecurityConfiguration( |
|
"fake_plugin1", "", "", "", {server_san_prefix_, server_san_regex_}, |
|
{} /* unauthenticated */); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestTlsConfigurationWithRootCertificateNameUpdate) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}, |
|
{"bad", {bad_root_cert_, bad_identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "", "", |
|
{server_san_exact_}, |
|
{} /* unauthenticated */); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "bad", "", "", |
|
{server_san_exact_}, {}, |
|
true /* failure */); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestTlsConfigurationWithRootPluginUpdate) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
FakeCertificateProvider::CertDataMap fake2_cert_map = { |
|
{"", {bad_root_cert_, bad_identity_pair_}}}; |
|
g_fake2_cert_data_map = &fake2_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "", "", |
|
{server_san_exact_}, |
|
{} /* unauthenticated */); |
|
UpdateAndVerifyXdsSecurityConfiguration( |
|
"fake_plugin2", "", "", "", {server_san_exact_}, {}, true /* failure */); |
|
g_fake1_cert_data_map = nullptr; |
|
g_fake2_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestFallbackConfiguration) { |
|
UpdateAndVerifyXdsSecurityConfiguration("", "", "", "", {}, |
|
fallback_authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsToTls) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "", "", |
|
{server_san_exact_}, |
|
{} /* unauthenticated */); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestMtlsToFallback) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("", "", "", "", {}, |
|
fallback_authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestTlsToMtls) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "", "", |
|
{server_san_exact_}, |
|
{} /* unauthenticated */); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestTlsToFallback) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "", "", |
|
{server_san_exact_}, |
|
{} /* unauthenticated */); |
|
UpdateAndVerifyXdsSecurityConfiguration("", "", "", "", {}, |
|
fallback_authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestFallbackToMtls) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("", "", "", "", {}, |
|
fallback_authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "fake_plugin1", |
|
"", {server_san_exact_}, |
|
authenticated_identity_); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestFallbackToTls) { |
|
FakeCertificateProvider::CertDataMap fake1_cert_map = { |
|
{"", {root_cert_, identity_pair_}}}; |
|
g_fake1_cert_data_map = &fake1_cert_map; |
|
UpdateAndVerifyXdsSecurityConfiguration("", "", "", "", {}, |
|
fallback_authenticated_identity_); |
|
UpdateAndVerifyXdsSecurityConfiguration("fake_plugin1", "", "", "", |
|
{server_san_exact_}, |
|
{} /* unauthenticated */); |
|
g_fake1_cert_data_map = nullptr; |
|
} |
|
|
|
TEST_P(XdsSecurityTest, TestFileWatcherCertificateProvider) { |
|
UpdateAndVerifyXdsSecurityConfiguration("file_plugin", "", "file_plugin", "", |
|
{server_san_exact_}, |
|
authenticated_identity_); |
|
} |
|
|
|
using EdsTest = BasicTest; |
|
|
|
// Tests that EDS client should send a NACK if the EDS update contains |
|
// sparse priorities. |
|
TEST_P(EdsTest, NacksSparsePriorityList) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(), kDefaultLocalityWeight, 1}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource(BuildEdsResource(args)); |
|
CheckRpcSendFailure(); |
|
const auto& response_state = |
|
balancers_[0]->ads_service()->eds_response_state(); |
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED); |
|
EXPECT_EQ(response_state.error_message, |
|
"EDS update includes sparse priority list"); |
|
} |
|
|
|
// In most of our tests, we use different names for different resource |
|
// types, to make sure that there are no cut-and-paste errors in the code |
|
// that cause us to look at data for the wrong resource type. So we add |
|
// this test to make sure that the EDS resource name defaults to the |
|
// cluster name if not specified in the CDS resource. |
|
TEST_P(EdsTest, EdsServiceNameDefaultsToClusterName) { |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, kDefaultClusterName)); |
|
Cluster cluster = default_cluster_; |
|
cluster.mutable_eds_cluster_config()->clear_service_name(); |
|
balancers_[0]->ads_service()->SetCdsResource(cluster); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendOk(); |
|
} |
|
|
|
class TimeoutTest : public BasicTest { |
|
protected: |
|
void SetUp() override { |
|
xds_resource_does_not_exist_timeout_ms_ = 500; |
|
BasicTest::SetUp(); |
|
} |
|
}; |
|
|
|
// Tests that LDS client times out when no response received. |
|
TEST_P(TimeoutTest, Lds) { |
|
balancers_[0]->ads_service()->SetResourceIgnore(kLdsTypeUrl); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
} |
|
|
|
TEST_P(TimeoutTest, Rds) { |
|
balancers_[0]->ads_service()->SetResourceIgnore(kRdsTypeUrl); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
} |
|
|
|
// Tests that CDS client times out when no response received. |
|
TEST_P(TimeoutTest, Cds) { |
|
balancers_[0]->ads_service()->SetResourceIgnore(kCdsTypeUrl); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
} |
|
|
|
TEST_P(TimeoutTest, Eds) { |
|
balancers_[0]->ads_service()->SetResourceIgnore(kEdsTypeUrl); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
CheckRpcSendFailure(); |
|
} |
|
|
|
using LocalityMapTest = BasicTest; |
|
|
|
// Tests that the localities in a locality map are picked according to their |
|
// weights. |
|
TEST_P(LocalityMapTest, WeightedRoundRobin) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 5000; |
|
const int kLocalityWeight0 = 2; |
|
const int kLocalityWeight1 = 8; |
|
const int kTotalLocalityWeight = kLocalityWeight0 + kLocalityWeight1; |
|
const double kLocalityWeightRate0 = |
|
static_cast<double>(kLocalityWeight0) / kTotalLocalityWeight; |
|
const double kLocalityWeightRate1 = |
|
static_cast<double>(kLocalityWeight1) / kTotalLocalityWeight; |
|
// ADS response contains 2 localities, each of which contains 1 backend. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), kLocalityWeight0}, |
|
{"locality1", GetBackendPorts(1, 2), kLocalityWeight1}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait for both backends to be ready. |
|
WaitForAllBackends(0, 2); |
|
// Send kNumRpcs RPCs. |
|
CheckRpcSendOk(kNumRpcs); |
|
// The locality picking rates should be roughly equal to the expectation. |
|
const double locality_picked_rate_0 = |
|
static_cast<double>(backends_[0]->backend_service()->request_count()) / |
|
kNumRpcs; |
|
const double locality_picked_rate_1 = |
|
static_cast<double>(backends_[1]->backend_service()->request_count()) / |
|
kNumRpcs; |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT(locality_picked_rate_0, |
|
::testing::AllOf( |
|
::testing::Ge(kLocalityWeightRate0 * (1 - kErrorTolerance)), |
|
::testing::Le(kLocalityWeightRate0 * (1 + kErrorTolerance)))); |
|
EXPECT_THAT(locality_picked_rate_1, |
|
::testing::AllOf( |
|
::testing::Ge(kLocalityWeightRate1 * (1 - kErrorTolerance)), |
|
::testing::Le(kLocalityWeightRate1 * (1 + kErrorTolerance)))); |
|
} |
|
|
|
// Tests that we correctly handle a locality containing no endpoints. |
|
TEST_P(LocalityMapTest, LocalityContainingNoEndpoints) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 5000; |
|
// EDS response contains 2 localities, one with no endpoints. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
{"locality1", {}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait for both backends to be ready. |
|
WaitForAllBackends(); |
|
// Send kNumRpcs RPCs. |
|
CheckRpcSendOk(kNumRpcs); |
|
// All traffic should go to the reachable locality. |
|
EXPECT_EQ(backends_[0]->backend_service()->request_count(), |
|
kNumRpcs / backends_.size()); |
|
EXPECT_EQ(backends_[1]->backend_service()->request_count(), |
|
kNumRpcs / backends_.size()); |
|
EXPECT_EQ(backends_[2]->backend_service()->request_count(), |
|
kNumRpcs / backends_.size()); |
|
EXPECT_EQ(backends_[3]->backend_service()->request_count(), |
|
kNumRpcs / backends_.size()); |
|
} |
|
|
|
// EDS update with no localities. |
|
TEST_P(LocalityMapTest, NoLocalities) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource({}, DefaultEdsServiceName())); |
|
Status status = SendRpc(); |
|
EXPECT_FALSE(status.ok()); |
|
EXPECT_EQ(status.error_code(), StatusCode::UNAVAILABLE); |
|
} |
|
|
|
// Tests that the locality map can work properly even when it contains a large |
|
// number of localities. |
|
TEST_P(LocalityMapTest, StressTest) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumLocalities = 100; |
|
// The first ADS response contains kNumLocalities localities, each of which |
|
// contains backend 0. |
|
AdsServiceImpl::EdsResourceArgs args; |
|
for (size_t i = 0; i < kNumLocalities; ++i) { |
|
std::string name = absl::StrCat("locality", i); |
|
AdsServiceImpl::EdsResourceArgs::Locality locality(name, |
|
{backends_[0]->port()}); |
|
args.locality_list.emplace_back(std::move(locality)); |
|
} |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// The second ADS response contains 1 locality, which contains backend 1. |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", GetBackendPorts(1, 2)}, |
|
}); |
|
std::thread delayed_resource_setter( |
|
std::bind(&BasicTest::SetEdsResourceWithDelay, this, 0, |
|
BuildEdsResource(args, DefaultEdsServiceName()), 60 * 1000)); |
|
// Wait until backend 0 is ready, before which kNumLocalities localities are |
|
// received and handled by the xds policy. |
|
WaitForBackend(0, /*reset_counters=*/false); |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
// Wait until backend 1 is ready, before which kNumLocalities localities are |
|
// removed by the xds policy. |
|
WaitForBackend(1); |
|
delayed_resource_setter.join(); |
|
} |
|
|
|
// Tests that the localities in a locality map are picked correctly after update |
|
// (addition, modification, deletion). |
|
TEST_P(LocalityMapTest, UpdateMap) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 3000; |
|
// The locality weight for the first 3 localities. |
|
const std::vector<int> kLocalityWeights0 = {2, 3, 4}; |
|
const double kTotalLocalityWeight0 = |
|
std::accumulate(kLocalityWeights0.begin(), kLocalityWeights0.end(), 0); |
|
std::vector<double> locality_weight_rate_0; |
|
locality_weight_rate_0.reserve(kLocalityWeights0.size()); |
|
for (int weight : kLocalityWeights0) { |
|
locality_weight_rate_0.push_back(weight / kTotalLocalityWeight0); |
|
} |
|
// Delete the first locality, keep the second locality, change the third |
|
// locality's weight from 4 to 2, and add a new locality with weight 6. |
|
const std::vector<int> kLocalityWeights1 = {3, 2, 6}; |
|
const double kTotalLocalityWeight1 = |
|
std::accumulate(kLocalityWeights1.begin(), kLocalityWeights1.end(), 0); |
|
std::vector<double> locality_weight_rate_1 = { |
|
0 /* placeholder for locality 0 */}; |
|
for (int weight : kLocalityWeights1) { |
|
locality_weight_rate_1.push_back(weight / kTotalLocalityWeight1); |
|
} |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), 2}, |
|
{"locality1", GetBackendPorts(1, 2), 3}, |
|
{"locality2", GetBackendPorts(2, 3), 4}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait for the first 3 backends to be ready. |
|
WaitForAllBackends(0, 3); |
|
gpr_log(GPR_INFO, "========= BEFORE FIRST BATCH =========="); |
|
// Send kNumRpcs RPCs. |
|
CheckRpcSendOk(kNumRpcs); |
|
gpr_log(GPR_INFO, "========= DONE WITH FIRST BATCH =========="); |
|
// The picking rates of the first 3 backends should be roughly equal to the |
|
// expectation. |
|
std::vector<double> locality_picked_rates; |
|
for (size_t i = 0; i < 3; ++i) { |
|
locality_picked_rates.push_back( |
|
static_cast<double>(backends_[i]->backend_service()->request_count()) / |
|
kNumRpcs); |
|
} |
|
const double kErrorTolerance = 0.2; |
|
for (size_t i = 0; i < 3; ++i) { |
|
gpr_log(GPR_INFO, "Locality %" PRIuPTR " rate %f", i, |
|
locality_picked_rates[i]); |
|
EXPECT_THAT( |
|
locality_picked_rates[i], |
|
::testing::AllOf( |
|
::testing::Ge(locality_weight_rate_0[i] * (1 - kErrorTolerance)), |
|
::testing::Le(locality_weight_rate_0[i] * (1 + kErrorTolerance)))); |
|
} |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality1", GetBackendPorts(1, 2), 3}, |
|
{"locality2", GetBackendPorts(2, 3), 2}, |
|
{"locality3", GetBackendPorts(3, 4), 6}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Backend 3 hasn't received any request. |
|
EXPECT_EQ(0U, backends_[3]->backend_service()->request_count()); |
|
// Wait until the locality update has been processed, as signaled by backend 3 |
|
// receiving a request. |
|
WaitForAllBackends(3, 4); |
|
gpr_log(GPR_INFO, "========= BEFORE SECOND BATCH =========="); |
|
// Send kNumRpcs RPCs. |
|
CheckRpcSendOk(kNumRpcs); |
|
gpr_log(GPR_INFO, "========= DONE WITH SECOND BATCH =========="); |
|
// Backend 0 no longer receives any request. |
|
EXPECT_EQ(0U, backends_[0]->backend_service()->request_count()); |
|
// The picking rates of the last 3 backends should be roughly equal to the |
|
// expectation. |
|
locality_picked_rates = {0 /* placeholder for backend 0 */}; |
|
for (size_t i = 1; i < 4; ++i) { |
|
locality_picked_rates.push_back( |
|
static_cast<double>(backends_[i]->backend_service()->request_count()) / |
|
kNumRpcs); |
|
} |
|
for (size_t i = 1; i < 4; ++i) { |
|
gpr_log(GPR_INFO, "Locality %" PRIuPTR " rate %f", i, |
|
locality_picked_rates[i]); |
|
EXPECT_THAT( |
|
locality_picked_rates[i], |
|
::testing::AllOf( |
|
::testing::Ge(locality_weight_rate_1[i] * (1 - kErrorTolerance)), |
|
::testing::Le(locality_weight_rate_1[i] * (1 + kErrorTolerance)))); |
|
} |
|
} |
|
|
|
// Tests that we don't fail RPCs when replacing all of the localities in |
|
// a given priority. |
|
TEST_P(LocalityMapTest, ReplaceAllLocalitiesInPriority) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality1", GetBackendPorts(1, 2)}, |
|
}); |
|
std::thread delayed_resource_setter( |
|
std::bind(&BasicTest::SetEdsResourceWithDelay, this, 0, |
|
BuildEdsResource(args, DefaultEdsServiceName()), 5000)); |
|
// Wait for the first backend to be ready. |
|
WaitForBackend(0); |
|
// Keep sending RPCs until we switch over to backend 1, which tells us |
|
// that we received the update. No RPCs should fail during this |
|
// transition. |
|
WaitForBackend(1, /*reset_counters=*/true, /*require_success=*/true); |
|
delayed_resource_setter.join(); |
|
} |
|
|
|
class FailoverTest : public BasicTest { |
|
public: |
|
void SetUp() override { |
|
BasicTest::SetUp(); |
|
ResetStub(500); |
|
} |
|
}; |
|
|
|
// Localities with the highest priority are used when multiple priority exist. |
|
TEST_P(FailoverTest, ChooseHighestPriority) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 1}, |
|
{"locality1", GetBackendPorts(1, 2), kDefaultLocalityWeight, 2}, |
|
{"locality2", GetBackendPorts(2, 3), kDefaultLocalityWeight, 3}, |
|
{"locality3", GetBackendPorts(3, 4), kDefaultLocalityWeight, 0}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForBackend(3, false); |
|
for (size_t i = 0; i < 3; ++i) { |
|
EXPECT_EQ(0U, backends_[i]->backend_service()->request_count()); |
|
} |
|
} |
|
|
|
// Does not choose priority with no endpoints. |
|
TEST_P(FailoverTest, DoesNotUsePriorityWithNoEndpoints) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 1}, |
|
{"locality1", GetBackendPorts(1, 2), kDefaultLocalityWeight, 2}, |
|
{"locality2", GetBackendPorts(2, 3), kDefaultLocalityWeight, 3}, |
|
{"locality3", {}, kDefaultLocalityWeight, 0}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForBackend(0, false); |
|
for (size_t i = 1; i < 3; ++i) { |
|
EXPECT_EQ(0U, backends_[i]->backend_service()->request_count()); |
|
} |
|
} |
|
|
|
// Does not choose locality with no endpoints. |
|
TEST_P(FailoverTest, DoesNotUseLocalityWithNoEndpoints) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {}, kDefaultLocalityWeight, 0}, |
|
{"locality1", GetBackendPorts(), kDefaultLocalityWeight, 0}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait for all backends to be used. |
|
std::tuple<int, int, int> counts = WaitForAllBackends(); |
|
// Make sure no RPCs failed in the transition. |
|
EXPECT_EQ(0, std::get<1>(counts)); |
|
} |
|
|
|
// If the higher priority localities are not reachable, failover to the highest |
|
// priority among the rest. |
|
TEST_P(FailoverTest, Failover) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 1}, |
|
{"locality1", GetBackendPorts(1, 2), kDefaultLocalityWeight, 2}, |
|
{"locality2", GetBackendPorts(2, 3), kDefaultLocalityWeight, 3}, |
|
{"locality3", GetBackendPorts(3, 4), kDefaultLocalityWeight, 0}, |
|
}); |
|
ShutdownBackend(3); |
|
ShutdownBackend(0); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForBackend(1, false); |
|
for (size_t i = 0; i < 4; ++i) { |
|
if (i == 1) continue; |
|
EXPECT_EQ(0U, backends_[i]->backend_service()->request_count()); |
|
} |
|
} |
|
|
|
// If a locality with higher priority than the current one becomes ready, |
|
// switch to it. |
|
TEST_P(FailoverTest, SwitchBackToHigherPriority) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 100; |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 1}, |
|
{"locality1", GetBackendPorts(1, 2), kDefaultLocalityWeight, 2}, |
|
{"locality2", GetBackendPorts(2, 3), kDefaultLocalityWeight, 3}, |
|
{"locality3", GetBackendPorts(3, 4), kDefaultLocalityWeight, 0}, |
|
}); |
|
ShutdownBackend(3); |
|
ShutdownBackend(0); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForBackend(1, false); |
|
for (size_t i = 0; i < 4; ++i) { |
|
if (i == 1) continue; |
|
EXPECT_EQ(0U, backends_[i]->backend_service()->request_count()); |
|
} |
|
StartBackend(0); |
|
WaitForBackend(0); |
|
CheckRpcSendOk(kNumRpcs); |
|
EXPECT_EQ(kNumRpcs, backends_[0]->backend_service()->request_count()); |
|
} |
|
|
|
// The first update only contains unavailable priorities. The second update |
|
// contains available priorities. |
|
TEST_P(FailoverTest, UpdateInitialUnavailable) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 0}, |
|
{"locality1", GetBackendPorts(1, 2), kDefaultLocalityWeight, 1}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 0}, |
|
{"locality1", GetBackendPorts(1, 2), kDefaultLocalityWeight, 1}, |
|
{"locality2", GetBackendPorts(2, 3), kDefaultLocalityWeight, 2}, |
|
{"locality3", GetBackendPorts(3, 4), kDefaultLocalityWeight, 3}, |
|
}); |
|
ShutdownBackend(0); |
|
ShutdownBackend(1); |
|
std::thread delayed_resource_setter( |
|
std::bind(&BasicTest::SetEdsResourceWithDelay, this, 0, |
|
BuildEdsResource(args, DefaultEdsServiceName()), 1000)); |
|
gpr_timespec deadline = gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), |
|
gpr_time_from_millis(500, GPR_TIMESPAN)); |
|
// Send 0.5 second worth of RPCs. |
|
do { |
|
CheckRpcSendFailure(); |
|
} while (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), deadline) < 0); |
|
WaitForBackend(2, false); |
|
for (size_t i = 0; i < 4; ++i) { |
|
if (i == 2) continue; |
|
EXPECT_EQ(0U, backends_[i]->backend_service()->request_count()); |
|
} |
|
delayed_resource_setter.join(); |
|
} |
|
|
|
// Tests that after the localities' priorities are updated, we still choose the |
|
// highest READY priority with the updated localities. |
|
TEST_P(FailoverTest, UpdatePriority) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 100; |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 1}, |
|
{"locality1", GetBackendPorts(1, 2), kDefaultLocalityWeight, 2}, |
|
{"locality2", GetBackendPorts(2, 3), kDefaultLocalityWeight, 3}, |
|
{"locality3", GetBackendPorts(3, 4), kDefaultLocalityWeight, 0}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 2}, |
|
{"locality1", GetBackendPorts(1, 2), kDefaultLocalityWeight, 0}, |
|
{"locality2", GetBackendPorts(2, 3), kDefaultLocalityWeight, 1}, |
|
{"locality3", GetBackendPorts(3, 4), kDefaultLocalityWeight, 3}, |
|
}); |
|
std::thread delayed_resource_setter( |
|
std::bind(&BasicTest::SetEdsResourceWithDelay, this, 0, |
|
BuildEdsResource(args, DefaultEdsServiceName()), 1000)); |
|
WaitForBackend(3, false); |
|
for (size_t i = 0; i < 3; ++i) { |
|
EXPECT_EQ(0U, backends_[i]->backend_service()->request_count()); |
|
} |
|
WaitForBackend(1); |
|
CheckRpcSendOk(kNumRpcs); |
|
EXPECT_EQ(kNumRpcs, backends_[1]->backend_service()->request_count()); |
|
delayed_resource_setter.join(); |
|
} |
|
|
|
// Moves all localities in the current priority to a higher priority. |
|
TEST_P(FailoverTest, MoveAllLocalitiesInCurrentPriorityToHigherPriority) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
// First update: |
|
// - Priority 0 is locality 0, containing backend 0, which is down. |
|
// - Priority 1 is locality 1, containing backends 1 and 2, which are up. |
|
ShutdownBackend(0); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 0}, |
|
{"locality1", GetBackendPorts(1, 3), kDefaultLocalityWeight, 1}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Second update: |
|
// - Priority 0 contains both localities 0 and 1. |
|
// - Priority 1 is not present. |
|
// - We add backend 3 to locality 1, just so we have a way to know |
|
// when the update has been seen by the client. |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", GetBackendPorts(0, 1), kDefaultLocalityWeight, 0}, |
|
{"locality1", GetBackendPorts(1, 4), kDefaultLocalityWeight, 0}, |
|
}); |
|
std::thread delayed_resource_setter( |
|
std::bind(&BasicTest::SetEdsResourceWithDelay, this, 0, |
|
BuildEdsResource(args, DefaultEdsServiceName()), 1000)); |
|
// When we get the first update, all backends in priority 0 are down, |
|
// so we will create priority 1. Backends 1 and 2 should have traffic, |
|
// but backend 3 should not. |
|
WaitForAllBackends(1, 3, false); |
|
EXPECT_EQ(0UL, backends_[3]->backend_service()->request_count()); |
|
// When backend 3 gets traffic, we know the second update has been seen. |
|
WaitForBackend(3); |
|
// The ADS service of balancer 0 got at least 1 response. |
|
EXPECT_GT(balancers_[0]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT); |
|
delayed_resource_setter.join(); |
|
} |
|
|
|
using DropTest = BasicTest; |
|
|
|
// Tests that RPCs are dropped according to the drop config. |
|
TEST_P(DropTest, Vanilla) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 5000; |
|
const uint32_t kDropPerMillionForLb = 100000; |
|
const uint32_t kDropPerMillionForThrottle = 200000; |
|
const double kDropRateForLb = kDropPerMillionForLb / 1000000.0; |
|
const double kDropRateForThrottle = kDropPerMillionForThrottle / 1000000.0; |
|
const double KDropRateForLbAndThrottle = |
|
kDropRateForLb + (1 - kDropRateForLb) * kDropRateForThrottle; |
|
// The ADS response contains two drop categories. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
args.drop_categories = {{kLbDropType, kDropPerMillionForLb}, |
|
{kThrottleDropType, kDropPerMillionForThrottle}}; |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForAllBackends(); |
|
// Send kNumRpcs RPCs and count the drops. |
|
size_t num_drops = 0; |
|
for (size_t i = 0; i < kNumRpcs; ++i) { |
|
EchoResponse response; |
|
const Status status = SendRpc(RpcOptions(), &response); |
|
if (!status.ok() && |
|
status.error_message() == "Call dropped by load balancing policy") { |
|
++num_drops; |
|
} else { |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
EXPECT_EQ(response.message(), kRequestMessage); |
|
} |
|
} |
|
// The drop rate should be roughly equal to the expectation. |
|
const double seen_drop_rate = static_cast<double>(num_drops) / kNumRpcs; |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
seen_drop_rate, |
|
::testing::AllOf( |
|
::testing::Ge(KDropRateForLbAndThrottle * (1 - kErrorTolerance)), |
|
::testing::Le(KDropRateForLbAndThrottle * (1 + kErrorTolerance)))); |
|
} |
|
|
|
// Tests that drop config is converted correctly from per hundred. |
|
TEST_P(DropTest, DropPerHundred) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 5000; |
|
const uint32_t kDropPerHundredForLb = 10; |
|
const double kDropRateForLb = kDropPerHundredForLb / 100.0; |
|
// The ADS response contains one drop category. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
args.drop_categories = {{kLbDropType, kDropPerHundredForLb}}; |
|
args.drop_denominator = FractionalPercent::HUNDRED; |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForAllBackends(); |
|
// Send kNumRpcs RPCs and count the drops. |
|
size_t num_drops = 0; |
|
for (size_t i = 0; i < kNumRpcs; ++i) { |
|
EchoResponse response; |
|
const Status status = SendRpc(RpcOptions(), &response); |
|
if (!status.ok() && |
|
status.error_message() == "Call dropped by load balancing policy") { |
|
++num_drops; |
|
} else { |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
EXPECT_EQ(response.message(), kRequestMessage); |
|
} |
|
} |
|
// The drop rate should be roughly equal to the expectation. |
|
const double seen_drop_rate = static_cast<double>(num_drops) / kNumRpcs; |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
seen_drop_rate, |
|
::testing::AllOf(::testing::Ge(kDropRateForLb * (1 - kErrorTolerance)), |
|
::testing::Le(kDropRateForLb * (1 + kErrorTolerance)))); |
|
} |
|
|
|
// Tests that drop config is converted correctly from per ten thousand. |
|
TEST_P(DropTest, DropPerTenThousand) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 5000; |
|
const uint32_t kDropPerTenThousandForLb = 1000; |
|
const double kDropRateForLb = kDropPerTenThousandForLb / 10000.0; |
|
// The ADS response contains one drop category. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
args.drop_categories = {{kLbDropType, kDropPerTenThousandForLb}}; |
|
args.drop_denominator = FractionalPercent::TEN_THOUSAND; |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForAllBackends(); |
|
// Send kNumRpcs RPCs and count the drops. |
|
size_t num_drops = 0; |
|
for (size_t i = 0; i < kNumRpcs; ++i) { |
|
EchoResponse response; |
|
const Status status = SendRpc(RpcOptions(), &response); |
|
if (!status.ok() && |
|
status.error_message() == "Call dropped by load balancing policy") { |
|
++num_drops; |
|
} else { |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
EXPECT_EQ(response.message(), kRequestMessage); |
|
} |
|
} |
|
// The drop rate should be roughly equal to the expectation. |
|
const double seen_drop_rate = static_cast<double>(num_drops) / kNumRpcs; |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
seen_drop_rate, |
|
::testing::AllOf(::testing::Ge(kDropRateForLb * (1 - kErrorTolerance)), |
|
::testing::Le(kDropRateForLb * (1 + kErrorTolerance)))); |
|
} |
|
|
|
// Tests that drop is working correctly after update. |
|
TEST_P(DropTest, Update) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 3000; |
|
const uint32_t kDropPerMillionForLb = 100000; |
|
const uint32_t kDropPerMillionForThrottle = 200000; |
|
const double kDropRateForLb = kDropPerMillionForLb / 1000000.0; |
|
const double kDropRateForThrottle = kDropPerMillionForThrottle / 1000000.0; |
|
const double KDropRateForLbAndThrottle = |
|
kDropRateForLb + (1 - kDropRateForLb) * kDropRateForThrottle; |
|
// The first ADS response contains one drop category. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
args.drop_categories = {{kLbDropType, kDropPerMillionForLb}}; |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
WaitForAllBackends(); |
|
// Send kNumRpcs RPCs and count the drops. |
|
size_t num_drops = 0; |
|
gpr_log(GPR_INFO, "========= BEFORE FIRST BATCH =========="); |
|
for (size_t i = 0; i < kNumRpcs; ++i) { |
|
EchoResponse response; |
|
const Status status = SendRpc(RpcOptions(), &response); |
|
if (!status.ok() && |
|
status.error_message() == "Call dropped by load balancing policy") { |
|
++num_drops; |
|
} else { |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
EXPECT_EQ(response.message(), kRequestMessage); |
|
} |
|
} |
|
gpr_log(GPR_INFO, "========= DONE WITH FIRST BATCH =========="); |
|
// The drop rate should be roughly equal to the expectation. |
|
double seen_drop_rate = static_cast<double>(num_drops) / kNumRpcs; |
|
gpr_log(GPR_INFO, "First batch drop rate %f", seen_drop_rate); |
|
const double kErrorTolerance = 0.3; |
|
EXPECT_THAT( |
|
seen_drop_rate, |
|
::testing::AllOf(::testing::Ge(kDropRateForLb * (1 - kErrorTolerance)), |
|
::testing::Le(kDropRateForLb * (1 + kErrorTolerance)))); |
|
// The second ADS response contains two drop categories, send an update EDS |
|
// response. |
|
args.drop_categories = {{kLbDropType, kDropPerMillionForLb}, |
|
{kThrottleDropType, kDropPerMillionForThrottle}}; |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait until the drop rate increases to the middle of the two configs, which |
|
// implies that the update has been in effect. |
|
const double kDropRateThreshold = |
|
(kDropRateForLb + KDropRateForLbAndThrottle) / 2; |
|
size_t num_rpcs = kNumRpcs; |
|
while (seen_drop_rate < kDropRateThreshold) { |
|
EchoResponse response; |
|
const Status status = SendRpc(RpcOptions(), &response); |
|
++num_rpcs; |
|
if (!status.ok() && |
|
status.error_message() == "Call dropped by load balancing policy") { |
|
++num_drops; |
|
} else { |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
EXPECT_EQ(response.message(), kRequestMessage); |
|
} |
|
seen_drop_rate = static_cast<double>(num_drops) / num_rpcs; |
|
} |
|
// Send kNumRpcs RPCs and count the drops. |
|
num_drops = 0; |
|
gpr_log(GPR_INFO, "========= BEFORE SECOND BATCH =========="); |
|
for (size_t i = 0; i < kNumRpcs; ++i) { |
|
EchoResponse response; |
|
const Status status = SendRpc(RpcOptions(), &response); |
|
if (!status.ok() && |
|
status.error_message() == "Call dropped by load balancing policy") { |
|
++num_drops; |
|
} else { |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
EXPECT_EQ(response.message(), kRequestMessage); |
|
} |
|
} |
|
gpr_log(GPR_INFO, "========= DONE WITH SECOND BATCH =========="); |
|
// The new drop rate should be roughly equal to the expectation. |
|
seen_drop_rate = static_cast<double>(num_drops) / kNumRpcs; |
|
gpr_log(GPR_INFO, "Second batch drop rate %f", seen_drop_rate); |
|
EXPECT_THAT( |
|
seen_drop_rate, |
|
::testing::AllOf( |
|
::testing::Ge(KDropRateForLbAndThrottle * (1 - kErrorTolerance)), |
|
::testing::Le(KDropRateForLbAndThrottle * (1 + kErrorTolerance)))); |
|
} |
|
|
|
// Tests that all the RPCs are dropped if any drop category drops 100%. |
|
TEST_P(DropTest, DropAll) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 1000; |
|
const uint32_t kDropPerMillionForLb = 100000; |
|
const uint32_t kDropPerMillionForThrottle = 1000000; |
|
// The ADS response contains two drop categories. |
|
AdsServiceImpl::EdsResourceArgs args; |
|
args.drop_categories = {{kLbDropType, kDropPerMillionForLb}, |
|
{kThrottleDropType, kDropPerMillionForThrottle}}; |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Send kNumRpcs RPCs and all of them are dropped. |
|
for (size_t i = 0; i < kNumRpcs; ++i) { |
|
EchoResponse response; |
|
const Status status = SendRpc(RpcOptions(), &response); |
|
EXPECT_EQ(status.error_code(), StatusCode::UNAVAILABLE); |
|
EXPECT_EQ(status.error_message(), "Call dropped by load balancing policy"); |
|
} |
|
} |
|
|
|
class BalancerUpdateTest : public XdsEnd2endTest { |
|
public: |
|
BalancerUpdateTest() : XdsEnd2endTest(4, 3) {} |
|
}; |
|
|
|
// Tests that the old LB call is still used after the balancer address update as |
|
// long as that call is still alive. |
|
TEST_P(BalancerUpdateTest, UpdateBalancersButKeepUsingOriginalBalancer) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {backends_[0]->port()}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", {backends_[1]->port()}}, |
|
}); |
|
balancers_[1]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait until the first backend is ready. |
|
WaitForBackend(0); |
|
// Send 10 requests. |
|
gpr_log(GPR_INFO, "========= BEFORE FIRST BATCH =========="); |
|
CheckRpcSendOk(10); |
|
gpr_log(GPR_INFO, "========= DONE WITH FIRST BATCH =========="); |
|
// All 10 requests should have gone to the first backend. |
|
EXPECT_EQ(10U, backends_[0]->backend_service()->request_count()); |
|
// The ADS service of balancer 0 sent at least 1 response. |
|
EXPECT_GT(balancers_[0]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT); |
|
EXPECT_EQ(balancers_[1]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[1]->ads_service()->eds_response_state().error_message; |
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[2]->ads_service()->eds_response_state().error_message; |
|
gpr_log(GPR_INFO, "========= ABOUT TO UPDATE 1 =========="); |
|
SetNextResolutionForLbChannel({balancers_[1]->port()}); |
|
gpr_log(GPR_INFO, "========= UPDATE 1 DONE =========="); |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
gpr_timespec deadline = gpr_time_add( |
|
gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_millis(10000, GPR_TIMESPAN)); |
|
// Send 10 seconds worth of RPCs |
|
do { |
|
CheckRpcSendOk(); |
|
} while (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), deadline) < 0); |
|
// The current LB call is still working, so xds continued using it to the |
|
// first balancer, which doesn't assign the second backend. |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
// The ADS service of balancer 0 sent at least 1 response. |
|
EXPECT_GT(balancers_[0]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT); |
|
EXPECT_EQ(balancers_[1]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[1]->ads_service()->eds_response_state().error_message; |
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[2]->ads_service()->eds_response_state().error_message; |
|
} |
|
|
|
// Tests that the old LB call is still used after multiple balancer address |
|
// updates as long as that call is still alive. Send an update with the same set |
|
// of LBs as the one in SetUp() in order to verify that the LB channel inside |
|
// xds keeps the initial connection (which by definition is also present in the |
|
// update). |
|
TEST_P(BalancerUpdateTest, Repeated) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {backends_[0]->port()}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", {backends_[1]->port()}}, |
|
}); |
|
balancers_[1]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait until the first backend is ready. |
|
WaitForBackend(0); |
|
// Send 10 requests. |
|
gpr_log(GPR_INFO, "========= BEFORE FIRST BATCH =========="); |
|
CheckRpcSendOk(10); |
|
gpr_log(GPR_INFO, "========= DONE WITH FIRST BATCH =========="); |
|
// All 10 requests should have gone to the first backend. |
|
EXPECT_EQ(10U, backends_[0]->backend_service()->request_count()); |
|
// The ADS service of balancer 0 sent at least 1 response. |
|
EXPECT_GT(balancers_[0]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT); |
|
EXPECT_EQ(balancers_[1]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[1]->ads_service()->eds_response_state().error_message; |
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[2]->ads_service()->eds_response_state().error_message; |
|
std::vector<int> ports; |
|
ports.emplace_back(balancers_[0]->port()); |
|
ports.emplace_back(balancers_[1]->port()); |
|
ports.emplace_back(balancers_[2]->port()); |
|
gpr_log(GPR_INFO, "========= ABOUT TO UPDATE 1 =========="); |
|
SetNextResolutionForLbChannel(ports); |
|
gpr_log(GPR_INFO, "========= UPDATE 1 DONE =========="); |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
gpr_timespec deadline = gpr_time_add( |
|
gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_millis(10000, GPR_TIMESPAN)); |
|
// Send 10 seconds worth of RPCs |
|
do { |
|
CheckRpcSendOk(); |
|
} while (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), deadline) < 0); |
|
// xds continued using the original LB call to the first balancer, which |
|
// doesn't assign the second backend. |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
ports.clear(); |
|
ports.emplace_back(balancers_[0]->port()); |
|
ports.emplace_back(balancers_[1]->port()); |
|
gpr_log(GPR_INFO, "========= ABOUT TO UPDATE 2 =========="); |
|
SetNextResolutionForLbChannel(ports); |
|
gpr_log(GPR_INFO, "========= UPDATE 2 DONE =========="); |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
deadline = gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), |
|
gpr_time_from_millis(10000, GPR_TIMESPAN)); |
|
// Send 10 seconds worth of RPCs |
|
do { |
|
CheckRpcSendOk(); |
|
} while (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), deadline) < 0); |
|
// xds continued using the original LB call to the first balancer, which |
|
// doesn't assign the second backend. |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
} |
|
|
|
// Tests that if the balancer is down, the RPCs will still be sent to the |
|
// backends according to the last balancer response, until a new balancer is |
|
// reachable. |
|
TEST_P(BalancerUpdateTest, DeadUpdate) { |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannel({balancers_[0]->port()}); |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", {backends_[0]->port()}}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", {backends_[1]->port()}}, |
|
}); |
|
balancers_[1]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Start servers and send 10 RPCs per server. |
|
gpr_log(GPR_INFO, "========= BEFORE FIRST BATCH =========="); |
|
CheckRpcSendOk(10); |
|
gpr_log(GPR_INFO, "========= DONE WITH FIRST BATCH =========="); |
|
// All 10 requests should have gone to the first backend. |
|
EXPECT_EQ(10U, backends_[0]->backend_service()->request_count()); |
|
// The ADS service of balancer 0 sent at least 1 response. |
|
EXPECT_GT(balancers_[0]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT); |
|
EXPECT_EQ(balancers_[1]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[1]->ads_service()->eds_response_state().error_message; |
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[2]->ads_service()->eds_response_state().error_message; |
|
// Kill balancer 0 |
|
gpr_log(GPR_INFO, "********** ABOUT TO KILL BALANCER 0 *************"); |
|
balancers_[0]->Shutdown(); |
|
gpr_log(GPR_INFO, "********** KILLED BALANCER 0 *************"); |
|
// This is serviced by the existing child policy. |
|
gpr_log(GPR_INFO, "========= BEFORE SECOND BATCH =========="); |
|
CheckRpcSendOk(10); |
|
gpr_log(GPR_INFO, "========= DONE WITH SECOND BATCH =========="); |
|
// All 10 requests should again have gone to the first backend. |
|
EXPECT_EQ(20U, backends_[0]->backend_service()->request_count()); |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
// The ADS service of no balancers sent anything |
|
EXPECT_EQ(balancers_[0]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[0]->ads_service()->eds_response_state().error_message; |
|
EXPECT_EQ(balancers_[1]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[1]->ads_service()->eds_response_state().error_message; |
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[2]->ads_service()->eds_response_state().error_message; |
|
gpr_log(GPR_INFO, "========= ABOUT TO UPDATE 1 =========="); |
|
SetNextResolutionForLbChannel({balancers_[1]->port()}); |
|
gpr_log(GPR_INFO, "========= UPDATE 1 DONE =========="); |
|
// Wait until update has been processed, as signaled by the second backend |
|
// receiving a request. In the meantime, the client continues to be serviced |
|
// (by the first backend) without interruption. |
|
EXPECT_EQ(0U, backends_[1]->backend_service()->request_count()); |
|
WaitForBackend(1); |
|
// This is serviced by the updated RR policy |
|
backends_[1]->backend_service()->ResetCounters(); |
|
gpr_log(GPR_INFO, "========= BEFORE THIRD BATCH =========="); |
|
CheckRpcSendOk(10); |
|
gpr_log(GPR_INFO, "========= DONE WITH THIRD BATCH =========="); |
|
// All 10 requests should have gone to the second backend. |
|
EXPECT_EQ(10U, backends_[1]->backend_service()->request_count()); |
|
// The ADS service of balancer 1 sent at least 1 response. |
|
EXPECT_EQ(balancers_[0]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[0]->ads_service()->eds_response_state().error_message; |
|
EXPECT_GT(balancers_[1]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT); |
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state, |
|
AdsServiceImpl::ResponseState::NOT_SENT) |
|
<< "Error Message:" |
|
<< balancers_[2]->ads_service()->eds_response_state().error_message; |
|
} |
|
|
|
class ClientLoadReportingTest : public XdsEnd2endTest { |
|
public: |
|
ClientLoadReportingTest() : XdsEnd2endTest(4, 1, 3) {} |
|
}; |
|
|
|
// Tests that the load report received at the balancer is correct. |
|
TEST_P(ClientLoadReportingTest, Vanilla) { |
|
if (!GetParam().use_xds_resolver()) { |
|
balancers_[0]->lrs_service()->set_cluster_names({kServerName}); |
|
} |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannel({balancers_[0]->port()}); |
|
const size_t kNumRpcsPerAddress = 10; |
|
const size_t kNumFailuresPerAddress = 3; |
|
// TODO(juanlishen): Partition the backends after multiple localities is |
|
// tested. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait until all backends are ready. |
|
int num_ok = 0; |
|
int num_failure = 0; |
|
int num_drops = 0; |
|
std::tie(num_ok, num_failure, num_drops) = WaitForAllBackends(); |
|
// Send kNumRpcsPerAddress RPCs per server. |
|
CheckRpcSendOk(kNumRpcsPerAddress * num_backends_); |
|
CheckRpcSendFailure(kNumFailuresPerAddress * num_backends_, |
|
RpcOptions().set_server_fail(true)); |
|
// Check that each backend got the right number of requests. |
|
for (size_t i = 0; i < backends_.size(); ++i) { |
|
EXPECT_EQ(kNumRpcsPerAddress + kNumFailuresPerAddress, |
|
backends_[i]->backend_service()->request_count()); |
|
} |
|
// The load report received at the balancer should be correct. |
|
std::vector<ClientStats> load_report = |
|
balancers_[0]->lrs_service()->WaitForLoadReport(); |
|
ASSERT_EQ(load_report.size(), 1UL); |
|
ClientStats& client_stats = load_report.front(); |
|
EXPECT_EQ(kNumRpcsPerAddress * num_backends_ + num_ok, |
|
client_stats.total_successful_requests()); |
|
EXPECT_EQ(0U, client_stats.total_requests_in_progress()); |
|
EXPECT_EQ((kNumRpcsPerAddress + kNumFailuresPerAddress) * num_backends_ + |
|
num_ok + num_failure, |
|
client_stats.total_issued_requests()); |
|
EXPECT_EQ(kNumFailuresPerAddress * num_backends_ + num_failure, |
|
client_stats.total_error_requests()); |
|
EXPECT_EQ(0U, client_stats.total_dropped_requests()); |
|
// The LRS service got a single request, and sent a single response. |
|
EXPECT_EQ(1U, balancers_[0]->lrs_service()->request_count()); |
|
EXPECT_EQ(1U, balancers_[0]->lrs_service()->response_count()); |
|
} |
|
|
|
// Tests send_all_clusters. |
|
TEST_P(ClientLoadReportingTest, SendAllClusters) { |
|
balancers_[0]->lrs_service()->set_send_all_clusters(true); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannel({balancers_[0]->port()}); |
|
const size_t kNumRpcsPerAddress = 10; |
|
const size_t kNumFailuresPerAddress = 3; |
|
// TODO(juanlishen): Partition the backends after multiple localities is |
|
// tested. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait until all backends are ready. |
|
int num_ok = 0; |
|
int num_failure = 0; |
|
int num_drops = 0; |
|
std::tie(num_ok, num_failure, num_drops) = WaitForAllBackends(); |
|
// Send kNumRpcsPerAddress RPCs per server. |
|
CheckRpcSendOk(kNumRpcsPerAddress * num_backends_); |
|
CheckRpcSendFailure(kNumFailuresPerAddress * num_backends_, |
|
RpcOptions().set_server_fail(true)); |
|
// Check that each backend got the right number of requests. |
|
for (size_t i = 0; i < backends_.size(); ++i) { |
|
EXPECT_EQ(kNumRpcsPerAddress + kNumFailuresPerAddress, |
|
backends_[i]->backend_service()->request_count()); |
|
} |
|
// The load report received at the balancer should be correct. |
|
std::vector<ClientStats> load_report = |
|
balancers_[0]->lrs_service()->WaitForLoadReport(); |
|
ASSERT_EQ(load_report.size(), 1UL); |
|
ClientStats& client_stats = load_report.front(); |
|
EXPECT_EQ(kNumRpcsPerAddress * num_backends_ + num_ok, |
|
client_stats.total_successful_requests()); |
|
EXPECT_EQ(0U, client_stats.total_requests_in_progress()); |
|
EXPECT_EQ((kNumRpcsPerAddress + kNumFailuresPerAddress) * num_backends_ + |
|
num_ok + num_failure, |
|
client_stats.total_issued_requests()); |
|
EXPECT_EQ(kNumFailuresPerAddress * num_backends_ + num_failure, |
|
client_stats.total_error_requests()); |
|
EXPECT_EQ(0U, client_stats.total_dropped_requests()); |
|
// The LRS service got a single request, and sent a single response. |
|
EXPECT_EQ(1U, balancers_[0]->lrs_service()->request_count()); |
|
EXPECT_EQ(1U, balancers_[0]->lrs_service()->response_count()); |
|
} |
|
|
|
// Tests that we don't include stats for clusters that are not requested |
|
// by the LRS server. |
|
TEST_P(ClientLoadReportingTest, HonorsClustersRequestedByLrsServer) { |
|
balancers_[0]->lrs_service()->set_cluster_names({"bogus"}); |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannel({balancers_[0]->port()}); |
|
const size_t kNumRpcsPerAddress = 100; |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait until all backends are ready. |
|
int num_ok = 0; |
|
int num_failure = 0; |
|
int num_drops = 0; |
|
std::tie(num_ok, num_failure, num_drops) = WaitForAllBackends(); |
|
// Send kNumRpcsPerAddress RPCs per server. |
|
CheckRpcSendOk(kNumRpcsPerAddress * num_backends_); |
|
// Each backend should have gotten 100 requests. |
|
for (size_t i = 0; i < backends_.size(); ++i) { |
|
EXPECT_EQ(kNumRpcsPerAddress, |
|
backends_[i]->backend_service()->request_count()); |
|
} |
|
// The LRS service got a single request, and sent a single response. |
|
EXPECT_EQ(1U, balancers_[0]->lrs_service()->request_count()); |
|
EXPECT_EQ(1U, balancers_[0]->lrs_service()->response_count()); |
|
// The load report received at the balancer should be correct. |
|
std::vector<ClientStats> load_report = |
|
balancers_[0]->lrs_service()->WaitForLoadReport(); |
|
ASSERT_EQ(load_report.size(), 0UL); |
|
} |
|
|
|
// Tests that if the balancer restarts, the client load report contains the |
|
// stats before and after the restart correctly. |
|
TEST_P(ClientLoadReportingTest, BalancerRestart) { |
|
if (!GetParam().use_xds_resolver()) { |
|
balancers_[0]->lrs_service()->set_cluster_names({kServerName}); |
|
} |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannel({balancers_[0]->port()}); |
|
const size_t kNumBackendsFirstPass = backends_.size() / 2; |
|
const size_t kNumBackendsSecondPass = |
|
backends_.size() - kNumBackendsFirstPass; |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts(0, kNumBackendsFirstPass)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait until all backends returned by the balancer are ready. |
|
int num_ok = 0; |
|
int num_failure = 0; |
|
int num_drops = 0; |
|
std::tie(num_ok, num_failure, num_drops) = |
|
WaitForAllBackends(/* start_index */ 0, |
|
/* stop_index */ kNumBackendsFirstPass); |
|
std::vector<ClientStats> load_report = |
|
balancers_[0]->lrs_service()->WaitForLoadReport(); |
|
ASSERT_EQ(load_report.size(), 1UL); |
|
ClientStats client_stats = std::move(load_report.front()); |
|
EXPECT_EQ(static_cast<size_t>(num_ok), |
|
client_stats.total_successful_requests()); |
|
EXPECT_EQ(0U, client_stats.total_requests_in_progress()); |
|
EXPECT_EQ(0U, client_stats.total_error_requests()); |
|
EXPECT_EQ(0U, client_stats.total_dropped_requests()); |
|
// Shut down the balancer. |
|
balancers_[0]->Shutdown(); |
|
// We should continue using the last EDS response we received from the |
|
// balancer before it was shut down. |
|
// Note: We need to use WaitForAllBackends() here instead of just |
|
// CheckRpcSendOk(kNumBackendsFirstPass), because when the balancer |
|
// shuts down, the XdsClient will generate an error to the |
|
// ServiceConfigWatcher, which will cause the xds resolver to send a |
|
// no-op update to the LB policy. When this update gets down to the |
|
// round_robin child policy for the locality, it will generate a new |
|
// subchannel list, which resets the start index randomly. So we need |
|
// to be a little more permissive here to avoid spurious failures. |
|
ResetBackendCounters(); |
|
int num_started = std::get<0>(WaitForAllBackends( |
|
/* start_index */ 0, /* stop_index */ kNumBackendsFirstPass)); |
|
// Now restart the balancer, this time pointing to the new backends. |
|
balancers_[0]->Start(); |
|
args = AdsServiceImpl::EdsResourceArgs({ |
|
{"locality0", GetBackendPorts(kNumBackendsFirstPass)}, |
|
}); |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
// Wait for queries to start going to one of the new backends. |
|
// This tells us that we're now using the new serverlist. |
|
std::tie(num_ok, num_failure, num_drops) = |
|
WaitForAllBackends(/* start_index */ kNumBackendsFirstPass); |
|
num_started += num_ok + num_failure + num_drops; |
|
// Send one RPC per backend. |
|
CheckRpcSendOk(kNumBackendsSecondPass); |
|
num_started += kNumBackendsSecondPass; |
|
// Check client stats. |
|
load_report = balancers_[0]->lrs_service()->WaitForLoadReport(); |
|
ASSERT_EQ(load_report.size(), 1UL); |
|
client_stats = std::move(load_report.front()); |
|
EXPECT_EQ(num_started, client_stats.total_successful_requests()); |
|
EXPECT_EQ(0U, client_stats.total_requests_in_progress()); |
|
EXPECT_EQ(0U, client_stats.total_error_requests()); |
|
EXPECT_EQ(0U, client_stats.total_dropped_requests()); |
|
} |
|
|
|
class ClientLoadReportingWithDropTest : public XdsEnd2endTest { |
|
public: |
|
ClientLoadReportingWithDropTest() : XdsEnd2endTest(4, 1, 20) {} |
|
}; |
|
|
|
// Tests that the drop stats are correctly reported by client load reporting. |
|
TEST_P(ClientLoadReportingWithDropTest, Vanilla) { |
|
if (!GetParam().use_xds_resolver()) { |
|
balancers_[0]->lrs_service()->set_cluster_names({kServerName}); |
|
} |
|
SetNextResolution({}); |
|
SetNextResolutionForLbChannelAllBalancers(); |
|
const size_t kNumRpcs = 3000; |
|
const uint32_t kDropPerMillionForLb = 100000; |
|
const uint32_t kDropPerMillionForThrottle = 200000; |
|
const double kDropRateForLb = kDropPerMillionForLb / 1000000.0; |
|
const double kDropRateForThrottle = kDropPerMillionForThrottle / 1000000.0; |
|
const double KDropRateForLbAndThrottle = |
|
kDropRateForLb + (1 - kDropRateForLb) * kDropRateForThrottle; |
|
// The ADS response contains two drop categories. |
|
AdsServiceImpl::EdsResourceArgs args({ |
|
{"locality0", GetBackendPorts()}, |
|
}); |
|
args.drop_categories = {{kLbDropType, kDropPerMillionForLb}, |
|
{kThrottleDropType, kDropPerMillionForThrottle}}; |
|
balancers_[0]->ads_service()->SetEdsResource( |
|
BuildEdsResource(args, DefaultEdsServiceName())); |
|
int num_ok = 0; |
|
int num_failure = 0; |
|
int num_drops = 0; |
|
std::tie(num_ok, num_failure, num_drops) = WaitForAllBackends(); |
|
const size_t num_warmup = num_ok + num_failure + num_drops; |
|
// Send kNumRpcs RPCs and count the drops. |
|
for (size_t i = 0; i < kNumRpcs; ++i) { |
|
EchoResponse response; |
|
const Status status = SendRpc(RpcOptions(), &response); |
|
if (!status.ok() && |
|
status.error_message() == "Call dropped by load balancing policy") { |
|
++num_drops; |
|
} else { |
|
EXPECT_TRUE(status.ok()) << "code=" << status.error_code() |
|
<< " message=" << status.error_message(); |
|
EXPECT_EQ(response.message(), kRequestMessage); |
|
} |
|
} |
|
// The drop rate should be roughly equal to the expectation. |
|
const double seen_drop_rate = static_cast<double>(num_drops) / kNumRpcs; |
|
const double kErrorTolerance = 0.2; |
|
EXPECT_THAT( |
|
seen_drop_rate, |
|
::testing::AllOf( |
|
::testing::Ge(KDropRateForLbAndThrottle * (1 - kErrorTolerance)), |
|
::testing::Le(KDropRateForLbAndThrottle * (1 + kErrorTolerance)))); |
|
// Check client stats. |
|
const size_t total_rpc = num_warmup + kNumRpcs; |
|
ClientStats client_stats; |
|
do { |
|
std::vector<ClientStats> load_reports = |
|
balancers_[0]->lrs_service()->WaitForLoadReport(); |
|
for (const auto& load_report : load_reports) { |
|
client_stats += load_report; |
|
} |
|
} while (client_stats.total_issued_requests() + |
|
client_stats.total_dropped_requests() < |
|
total_rpc); |
|
EXPECT_EQ(num_drops, client_stats.total_dropped_requests()); |
|
EXPECT_THAT( |
|
client_stats.dropped_requests(kLbDropType), |
|
::testing::AllOf( |
|
::testing::Ge(total_rpc * kDropRateForLb * (1 - kErrorTolerance)), |
|
::testing::Le(total_rpc * kDropRateForLb * (1 + kErrorTolerance)))); |
|
EXPECT_THAT(client_stats.dropped_requests(kThrottleDropType), |
|
::testing::AllOf( |
|
::testing::Ge(total_rpc * (1 - kDropRateForLb) * |
|
kDropRateForThrottle * (1 - kErrorTolerance)), |
|
::testing::Le(total_rpc * (1 - kDropRateForLb) * |
|
kDropRateForThrottle * (1 + kErrorTolerance)))); |
|
} |
|
|
|
std::string TestTypeName(const ::testing::TestParamInfo<TestType>& info) { |
|
return info.param.AsString(); |
|
} |
|
|
|
// TestType params: |
|
// - use_xds_resolver |
|
// - enable_load_reporting |
|
// - enable_rds_testing = false |
|
// - use_v2 = false |
|
// - use_xds_credentials = false |
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, BasicTest, |
|
::testing::Values(TestType(false, true), |
|
TestType(false, false), |
|
TestType(true, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
// Run with both fake resolver and xds resolver. |
|
// Don't run with load reporting or v2 or RDS, since they are irrelevant to |
|
// the tests. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, SecureNamingTest, |
|
::testing::Values(TestType(false, false), |
|
TestType(true, false)), |
|
&TestTypeName); |
|
|
|
// LDS depends on XdsResolver. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, LdsTest, |
|
::testing::Values(TestType(true, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
// LDS/RDS commmon tests depend on XdsResolver. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, LdsRdsTest, |
|
::testing::Values(TestType(true, false), |
|
TestType(true, true), |
|
TestType(true, false, true), |
|
TestType(true, true, true), |
|
// Also test with xDS v2. |
|
TestType(true, true, true, true)), |
|
&TestTypeName); |
|
|
|
// CDS depends on XdsResolver. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, CdsTest, |
|
::testing::Values(TestType(true, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
// CDS depends on XdsResolver. |
|
// Security depends on v3. |
|
// Not enabling load reporting or RDS, since those are irrelevant to these |
|
// tests. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, XdsSecurityTest, |
|
::testing::Values(TestType(true, false, false, false, |
|
true)), |
|
&TestTypeName); |
|
|
|
// EDS could be tested with or without XdsResolver, but the tests would |
|
// be the same either way, so we test it only with XdsResolver. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, EdsTest, |
|
::testing::Values(TestType(true, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
// Test initial resource timeouts for each resource type. |
|
// Do this only for XdsResolver with RDS enabled, so that we can test |
|
// all resource types. |
|
// Run with V3 only, since the functionality is no different in V2. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, TimeoutTest, |
|
::testing::Values(TestType(true, false, true)), |
|
&TestTypeName); |
|
|
|
// XdsResolverOnlyTest depends on XdsResolver. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, XdsResolverOnlyTest, |
|
::testing::Values(TestType(true, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
// XdsResolverLoadReprtingOnlyTest depends on XdsResolver and load reporting. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, XdsResolverLoadReportingOnlyTest, |
|
::testing::Values(TestType(true, true)), |
|
&TestTypeName); |
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, LocalityMapTest, |
|
::testing::Values(TestType(false, true), |
|
TestType(false, false), |
|
TestType(true, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, FailoverTest, |
|
::testing::Values(TestType(false, true), |
|
TestType(false, false), |
|
TestType(true, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, DropTest, |
|
::testing::Values(TestType(false, true), |
|
TestType(false, false), |
|
TestType(true, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, BalancerUpdateTest, |
|
::testing::Values(TestType(false, true), |
|
TestType(false, false), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
// Load reporting tests are not run with load reporting disabled. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, ClientLoadReportingTest, |
|
::testing::Values(TestType(false, true), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
// Load reporting tests are not run with load reporting disabled. |
|
INSTANTIATE_TEST_SUITE_P(XdsTest, ClientLoadReportingWithDropTest, |
|
::testing::Values(TestType(false, true), |
|
TestType(true, true)), |
|
&TestTypeName); |
|
|
|
} // namespace |
|
} // namespace testing |
|
} // namespace grpc |
|
|
|
int main(int argc, char** argv) { |
|
grpc::testing::TestEnvironment env(argc, argv); |
|
::testing::InitGoogleTest(&argc, argv); |
|
grpc::testing::WriteBootstrapFiles(); |
|
grpc::testing::g_port_saver = new grpc::testing::PortSaver(); |
|
const auto result = RUN_ALL_TESTS(); |
|
return result; |
|
}
|
|
|