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/*
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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 <grpc/grpc.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/string_util.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/server.h>
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#include <grpcpp/server_builder.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 "src/core/ext/filters/client_channel/backup_poller.h"
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#include "src/core/ext/filters/client_channel/parse_address.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/filters/client_channel/xds/xds_api.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/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/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 <gmock/gmock.h>
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#include <gtest/gtest.h>
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// TODO(dgq): Other scenarios in need of testing:
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// - Send a serverlist with faulty ip:port addresses (port > 2^16, etc).
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// - Test reception of invalid serverlist
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// - Test against a non-LB server.
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// - Random LB server closing the stream unexpectedly.
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//
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// Findings from end to end testing to be covered here:
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// - Handling of LB servers restart, including reconnection after backing-off
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// retries.
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// - Destruction of load balanced channel (and therefore of xds instance)
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// while:
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// 1) the internal LB call is still active. This should work by virtue
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// of the weak reference the LB call holds. The call should be terminated as
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// part of the xds shutdown process.
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// 2) the retry timer is active. Again, the weak reference it holds should
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// prevent a premature call to \a glb_destroy.
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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::api::v2::Cluster;
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using ::envoy::api::v2::ClusterLoadAssignment;
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using ::envoy::api::v2::DiscoveryRequest;
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using ::envoy::api::v2::DiscoveryResponse;
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using ::envoy::api::v2::FractionalPercent;
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using ::envoy::api::v2::HttpConnectionManager;
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using ::envoy::api::v2::Listener;
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using ::envoy::api::v2::RouteConfiguration;
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using ::envoy::service::discovery::v2::AggregatedDiscoveryService;
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using ::envoy::service::load_stats::v2::ClusterStats;
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using ::envoy::service::load_stats::v2::LoadReportingService;
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using ::envoy::service::load_stats::v2::LoadStatsRequest;
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using ::envoy::service::load_stats::v2::LoadStatsResponse;
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using ::envoy::service::load_stats::v2::UpstreamLocalityStats;
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constexpr char kLdsTypeUrl[] = "type.googleapis.com/envoy.api.v2.Listener";
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constexpr char kRdsTypeUrl[] =
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"type.googleapis.com/envoy.api.v2.RouteConfiguration";
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constexpr char kCdsTypeUrl[] = "type.googleapis.com/envoy.api.v2.Cluster";
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constexpr char kEdsTypeUrl[] =
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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 kDefaultResourceName[] = "application_target_name";
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constexpr int kDefaultLocalityWeight = 3;
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constexpr int kDefaultLocalityPriority = 0;
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constexpr char kBootstrapFile[] =
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"{\n"
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" \"xds_servers\": [\n"
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" {\n"
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" \"server_uri\": \"fake:///lb\",\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 kBootstrapFileBad[] =
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"{\n"
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" \"xds_servers\": [\n"
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" {\n"
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" \"server_uri\": \"fake:///wrong_lb\",\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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" }\n"
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"}\n";
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char* g_bootstrap_file;
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char* g_bootstrap_file_bad;
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void WriteBootstrapFiles() {
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char* bootstrap_file;
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FILE* out = gpr_tmpfile("xds_bootstrap", &bootstrap_file);
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fputs(kBootstrapFile, out);
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fclose(out);
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g_bootstrap_file = bootstrap_file;
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out = gpr_tmpfile("xds_bootstrap_bad", &bootstrap_file);
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fputs(kBootstrapFileBad, out);
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fclose(out);
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g_bootstrap_file_bad = 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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using LrsService = CountedService<LoadReportingService::Service>;
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const char g_kCallCredsMdKey[] = "Balancer should not ...";
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const char g_kCallCredsMdValue[] = "... receive me";
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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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// Backend should receive the call credentials metadata.
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auto call_credentials_entry =
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context->client_metadata().find(g_kCallCredsMdKey);
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EXPECT_NE(call_credentials_entry, context->client_metadata().end());
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if (call_credentials_entry != context->client_metadata().end()) {
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EXPECT_EQ(call_credentials_entry->second, g_kCallCredsMdValue);
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}
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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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AddClient(context->peer());
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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<grpc::string> clients() {
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grpc_core::MutexLock lock(&clients_mu_);
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return clients_;
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}
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private:
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void AddClient(const grpc::string& client) {
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grpc_core::MutexLock lock(&clients_mu_);
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clients_.insert(client);
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}
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grpc_core::Mutex clients_mu_;
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std::set<grpc::string> clients_;
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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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// Converts from proto message class.
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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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uint64_t total_successful_requests;
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uint64_t total_requests_in_progress;
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uint64_t total_error_requests;
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uint64_t total_issued_requests;
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};
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// Converts from proto message class.
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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<grpc::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_; }
|
|
|
|
|
|
|
|
uint64_t dropped_requests(const grpc::string& category) const {
|
|
|
|
auto iter = dropped_requests_.find(category);
|
|
|
|
GPR_ASSERT(iter != dropped_requests_.end());
|
|
|
|
return iter->second;
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
std::string cluster_name_;
|
|
|
|
std::map<grpc::string, LocalityStats> locality_stats_;
|
|
|
|
uint64_t total_dropped_requests_;
|
|
|
|
std::map<grpc::string, uint64_t> dropped_requests_;
|
|
|
|
};
|
|
|
|
|
|
|
|
class AdsServiceImpl : public AggregatedDiscoveryService::Service,
|
|
|
|
public std::enable_shared_from_this<AdsServiceImpl> {
|
|
|
|
public:
|
|
|
|
struct ResponseState {
|
|
|
|
enum State { NOT_SENT, SENT, ACKED, NACKED };
|
|
|
|
State state = NOT_SENT;
|
|
|
|
std::string error_message;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct EdsResourceArgs {
|
|
|
|
struct Locality {
|
|
|
|
Locality(const grpc::string& sub_zone, std::vector<int> ports,
|
|
|
|
int lb_weight = kDefaultLocalityWeight,
|
|
|
|
int priority = kDefaultLocalityPriority,
|
|
|
|
std::vector<envoy::api::v2::HealthStatus> health_statuses = {})
|
|
|
|
: sub_zone(std::move(sub_zone)),
|
|
|
|
ports(std::move(ports)),
|
|
|
|
lb_weight(lb_weight),
|
|
|
|
priority(priority),
|
|
|
|
health_statuses(std::move(health_statuses)) {}
|
|
|
|
|
|
|
|
const grpc::string sub_zone;
|
|
|
|
std::vector<int> ports;
|
|
|
|
int lb_weight;
|
|
|
|
int priority;
|
|
|
|
std::vector<envoy::api::v2::HealthStatus> health_statuses;
|
|
|
|
};
|
|
|
|
|
|
|
|
EdsResourceArgs() = default;
|
|
|
|
explicit EdsResourceArgs(std::vector<Locality> locality_list)
|
|
|
|
: locality_list(std::move(locality_list)) {}
|
|
|
|
|
|
|
|
std::vector<Locality> locality_list;
|
|
|
|
std::map<grpc::string, uint32_t> drop_categories;
|
|
|
|
FractionalPercent::DenominatorType drop_denominator =
|
|
|
|
FractionalPercent::MILLION;
|
|
|
|
};
|
|
|
|
|
|
|
|
using Stream = ServerReaderWriter<DiscoveryResponse, DiscoveryRequest>;
|
|
|
|
|
|
|
|
AdsServiceImpl(bool enable_load_reporting) {
|
|
|
|
// Construct RDS response data.
|
|
|
|
default_route_config_.set_name(kDefaultResourceName);
|
|
|
|
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(kDefaultResourceName);
|
|
|
|
SetRdsResource(default_route_config_);
|
|
|
|
// Construct LDS response data (with inlined RDS result).
|
|
|
|
default_listener_ = BuildListener(default_route_config_);
|
|
|
|
SetLdsResource(default_listener_);
|
|
|
|
// Construct CDS response data.
|
|
|
|
default_cluster_.set_name(kDefaultResourceName);
|
|
|
|
default_cluster_.set_type(envoy::api::v2::Cluster::EDS);
|
|
|
|
default_cluster_.mutable_eds_cluster_config()
|
|
|
|
->mutable_eds_config()
|
|
|
|
->mutable_ads();
|
|
|
|
default_cluster_.set_lb_policy(envoy::api::v2::Cluster::ROUND_ROBIN);
|
|
|
|
if (enable_load_reporting) {
|
|
|
|
default_cluster_.mutable_lrs_server()->mutable_self();
|
|
|
|
}
|
|
|
|
SetCdsResource(default_cluster_);
|
|
|
|
}
|
|
|
|
|
|
|
|
Status StreamAggregatedResources(ServerContext* context,
|
|
|
|
Stream* stream) override {
|
|
|
|
gpr_log(GPR_INFO, "ADS[%p]: StreamAggregatedResources starts", 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;
|
|
|
|
[&]() {
|
|
|
|
{
|
|
|
|
grpc_core::MutexLock lock(&ads_mu_);
|
|
|
|
if (ads_done_) return;
|
|
|
|
}
|
|
|
|
// Balancer shouldn't receive the call credentials metadata.
|
|
|
|
EXPECT_EQ(context->client_metadata().find(g_kCallCredsMdKey),
|
|
|
|
context->client_metadata().end());
|
|
|
|
// Current Version map keyed by resource type url.
|
|
|
|
std::map<std::string, int> resource_type_version;
|
|
|
|
// Creating blocking thread to read from stream.
|
|
|
|
std::deque<DiscoveryRequest> requests;
|
|
|
|
bool stream_closed = false;
|
|
|
|
// Take a reference of the AdsServiceImpl object, reference will go
|
|
|
|
// out of scope after the reader thread is joined.
|
|
|
|
std::shared_ptr<AdsServiceImpl> ads_service_impl = shared_from_this();
|
|
|
|
std::thread reader(std::bind(&AdsServiceImpl::BlockingRead, this, stream,
|
|
|
|
&requests, &stream_closed));
|
|
|
|
// Main loop to look for requests and updates.
|
|
|
|
while (true) {
|
|
|
|
// Look for new requests and and decide what to handle.
|
|
|
|
absl::optional<DiscoveryResponse> response;
|
|
|
|
// 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;
|
|
|
|
{
|
|
|
|
grpc_core::MutexLock lock(&ads_mu_);
|
|
|
|
if (stream_closed) break;
|
|
|
|
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());
|
|
|
|
// Identify ACK and NACK by looking for version information and
|
|
|
|
// comparing it to nonce (this server ensures they are always set to
|
|
|
|
// the same in a response.)
|
|
|
|
if (!request.response_nonce().empty()) {
|
|
|
|
resource_type_response_state_[request.type_url()].state =
|
|
|
|
(!request.version_info().empty() &&
|
|
|
|
request.version_info() == request.response_nonce())
|
|
|
|
? ResponseState::ACKED
|
|
|
|
: ResponseState::NACKED;
|
|
|
|
}
|
|
|
|
if (request.has_error_detail()) {
|
|
|
|
resource_type_response_state_[request.type_url()].error_message =
|
|
|
|
request.error_detail().message();
|
|
|
|
}
|
|
|
|
// As long as the test did not tell us to ignore this type of
|
|
|
|
// request, we will loop through all resources to:
|
|
|
|
// 1. subscribe if necessary
|
|
|
|
// 2. update if necessary
|
|
|
|
// 3. unsubscribe if necessary
|
|
|
|
if (resource_types_to_ignore_.find(request.type_url()) ==
|
|
|
|
resource_types_to_ignore_.end()) {
|
|
|
|
auto& subscription_name_map =
|
|
|
|
subscription_map[request.type_url()];
|
|
|
|
auto& resource_name_map = resource_map_[request.type_url()];
|
|
|
|
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];
|
|
|
|
MaybeSubscribe(request.type_url(), resource_name,
|
|
|
|
&subscription_state, &resource_state,
|
|
|
|
&update_queue);
|
|
|
|
if (ClientNeedsResourceUpdate(resource_state,
|
|
|
|
&subscription_state)) {
|
|
|
|
gpr_log(
|
|
|
|
GPR_INFO,
|
|
|
|
"ADS[%p]: Sending update for type=%s name=%s version=%d",
|
|
|
|
this, request.type_url().c_str(), resource_name.c_str(),
|
|
|
|
resource_state.version);
|
|
|
|
resources_added_to_response.emplace(resource_name);
|
|
|
|
if (!response.has_value()) response.emplace();
|
|
|
|
if (resource_state.resource.has_value()) {
|
|
|
|
response->add_resources()->CopyFrom(
|
|
|
|
resource_state.resource.value());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Process unsubscriptions for any resource no longer
|
|
|
|
// present in the request's resource list.
|
|
|
|
ProcessUnsubscriptions(
|
|
|
|
request.type_url(), resources_in_current_request,
|
|
|
|
&subscription_name_map, &resource_name_map);
|
|
|
|
// Send response if needed.
|
|
|
|
if (!resources_added_to_response.empty()) {
|
|
|
|
CompleteBuildingDiscoveryResponse(
|
|
|
|
request.type_url(),
|
|
|
|
++resource_type_version[request.type_url()],
|
|
|
|
subscription_name_map, resources_added_to_response,
|
|
|
|
&response.value());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
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(&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;
|
|
|
|
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_name_map = resource_map_[resource_type];
|
|
|
|
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_state,
|
|
|
|
&subscription_state)) {
|
|
|
|
gpr_log(
|
|
|
|
GPR_INFO,
|
|
|
|
"ADS[%p]: Sending update for type=%s name=%s version=%d",
|
|
|
|
this, resource_type.c_str(), resource_name.c_str(),
|
|
|
|
resource_state.version);
|
|
|
|
response.emplace();
|
|
|
|
if (resource_state.resource.has_value()) {
|
|
|
|
response->add_resources()->CopyFrom(
|
|
|
|
resource_state.resource.value());
|
|
|
|
}
|
|
|
|
CompleteBuildingDiscoveryResponse(
|
|
|
|
resource_type, ++resource_type_version[resource_type],
|
|
|
|
subscription_name_map, {resource_name}, &response.value());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
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(&ads_mu_);
|
|
|
|
if (!ads_cond_.WaitUntil(&ads_mu_, [this] { return ads_done_; },
|
|
|
|
deadline))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
reader.join();
|
|
|
|
}();
|
|
|
|
// Clean up any subscriptions that were still active when the call finished.
|
|
|
|
{
|
|
|
|
grpc_core::MutexLock lock(&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;
|
|
|
|
ResourceState& resource_state =
|
|
|
|
resource_map_[type_url][resource_name];
|
|
|
|
resource_state.subscriptions.erase(&subscription_state);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
gpr_log(GPR_INFO, "ADS[%p]: StreamAggregatedResources done", this);
|
|
|
|
return Status::OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
Listener default_listener() const { return default_listener_; }
|
|
|
|
RouteConfiguration default_route_config() const {
|
|
|
|
return default_route_config_;
|
|
|
|
}
|
|
|
|
Cluster default_cluster() const { return default_cluster_; }
|
|
|
|
|
|
|
|
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 UnsetResource(const std::string& type_url, const std::string& name) {
|
|
|
|
grpc_core::MutexLock lock(&ads_mu_);
|
|
|
|
ResourceState& state = resource_map_[type_url][name];
|
|
|
|
++state.version;
|
|
|
|
state.resource.reset();
|
|
|
|
gpr_log(GPR_INFO, "ADS[%p]: Unsetting %s resource %s to version %u", this,
|
|
|
|
type_url.c_str(), name.c_str(), state.version);
|
|
|
|
for (SubscriptionState* subscription : 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_);
|
|
|
|
ResourceState& state = resource_map_[type_url][name];
|
|
|
|
++state.version;
|
|
|
|
state.resource = std::move(resource);
|
|
|
|
gpr_log(GPR_INFO, "ADS[%p]: Updating %s resource %s to version %u", this,
|
|
|
|
type_url.c_str(), name.c_str(), state.version);
|
|
|
|
for (SubscriptionState* subscription : 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 SetLdsToUseDynamicRds() {
|
|
|
|
auto listener = default_listener_;
|
|
|
|
HttpConnectionManager http_connection_manager;
|
|
|
|
auto* rds = http_connection_manager.mutable_rds();
|
|
|
|
rds->set_route_config_name(kDefaultResourceName);
|
|
|
|
rds->mutable_config_source()->mutable_ads();
|
|
|
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom(
|
|
|
|
http_connection_manager);
|
|
|
|
SetLdsResource(listener);
|
|
|
|
}
|
|
|
|
|
|
|
|
static Listener BuildListener(const RouteConfiguration& route_config) {
|
|
|
|
HttpConnectionManager http_connection_manager;
|
|
|
|
*(http_connection_manager.mutable_route_config()) = route_config;
|
|
|
|
Listener listener;
|
|
|
|
listener.set_name(kDefaultResourceName);
|
|
|
|
listener.mutable_api_listener()->mutable_api_listener()->PackFrom(
|
|
|
|
http_connection_manager);
|
|
|
|
return listener;
|
|
|
|
}
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ClusterLoadAssignment BuildEdsResource(
|
|
|
|
const EdsResourceArgs& args,
|
|
|
|
const char* cluster_name = kDefaultResourceName) {
|
|
|
|
ClusterLoadAssignment assignment;
|
|
|
|
assignment.set_cluster_name(cluster_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] !=
|
|
|
|
envoy::api::v2::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("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 grpc::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 NotifyDoneWithAdsCall() {
|
|
|
|
grpc_core::MutexLock lock(&ads_mu_);
|
|
|
|
NotifyDoneWithAdsCallLocked();
|
|
|
|
}
|
|
|
|
|
|
|
|
void NotifyDoneWithAdsCallLocked() {
|
|
|
|
if (!ads_done_) {
|
|
|
|
ads_done_ = true;
|
|
|
|
ads_cond_.Broadcast();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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 {
|
|
|
|
// Version that the client currently knows about.
|
|
|
|
int current_version = 0;
|
|
|
|
// 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>;
|
|
|
|
|
|
|
|
// A struct representing the current state for a resource:
|
|
|
|
// - the version of the resource that is set by the SetResource() methods.
|
|
|
|
// - a list of subscriptions interested in this resource.
|
|
|
|
struct ResourceState {
|
|
|
|
int version = 0;
|
|
|
|
absl::optional<google::protobuf::Any> resource;
|
|
|
|
std::set<SubscriptionState*> subscriptions;
|
|
|
|
};
|
|
|
|
|
|
|
|
// A struct representing the current state for all resources:
|
|
|
|
// LDS, CDS, EDS, and RDS for the class as a whole.
|
|
|
|
using ResourceNameMap =
|
|
|
|
std::map<std::string /* resource_name */, ResourceState>;
|
|
|
|
using ResourceMap = std::map<std::string /* type_url */, ResourceNameMap>;
|
|
|
|
|
|
|
|
// 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");
|
|
|
|
seen_first_request = true;
|
|
|
|
}
|
|
|
|
{
|
|
|
|
grpc_core::MutexLock lock(&ads_mu_);
|
|
|
|
requests->emplace_back(std::move(request));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
gpr_log(GPR_INFO, "ADS[%p]: Null read, stream closed", this);
|
|
|
|
grpc_core::MutexLock lock(&ads_mu_);
|
|
|
|
*stream_closed = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Checks whether the client needs to receive a newer version of
|
|
|
|
// the resource. If so, updates subscription_state->current_version and
|
|
|
|
// returns true.
|
|
|
|
bool ClientNeedsResourceUpdate(const ResourceState& resource_state,
|
|
|
|
SubscriptionState* subscription_state) {
|
|
|
|
if (subscription_state->current_version < resource_state.version) {
|
|
|
|
subscription_state->current_version = resource_state.version;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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.
|
|
|
|
void 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;
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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 int version,
|
|
|
|
const SubscriptionNameMap& subscription_name_map,
|
|
|
|
const std::set<std::string>& resources_added_to_response,
|
|
|
|
DiscoveryResponse* response) {
|
|
|
|
resource_type_response_state_[resource_type].state = ResponseState::SENT;
|
|
|
|
response->set_type_url(resource_type);
|
|
|
|
response->set_version_info(absl::StrCat(version));
|
|
|
|
response->set_nonce(absl::StrCat(version));
|
|
|
|
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()) {
|
|
|
|
const ResourceState& resource_state =
|
|
|
|
resource_map_[resource_type][resource_name];
|
|
|
|
if (resource_state.resource.has_value()) {
|
|
|
|
response->add_resources()->CopyFrom(
|
|
|
|
resource_state.resource.value());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
grpc_core::CondVar ads_cond_;
|
|
|
|
// Protect the members below.
|
|
|
|
grpc_core::Mutex ads_mu_;
|
|
|
|
bool ads_done_ = false;
|
|
|
|
Listener default_listener_;
|
|
|
|
RouteConfiguration default_route_config_;
|
|
|
|
Cluster default_cluster_;
|
|
|
|
std::map<std::string /* type_url */, ResponseState>
|
|
|
|
resource_type_response_state_;
|
|
|
|
std::set<std::string /*resource_type*/> resource_types_to_ignore_;
|
|
|
|
// 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_;
|
|
|
|
};
|
|
|
|
|
|
|
|
class LrsServiceImpl : public LrsService,
|
|
|
|
public std::enable_shared_from_this<LrsServiceImpl> {
|
|
|
|
public:
|
|
|
|
using Stream = ServerReaderWriter<LoadStatsResponse, LoadStatsRequest>;
|
|
|
|
|
|
|
|
explicit LrsServiceImpl(int client_load_reporting_interval_seconds)
|
|
|
|
: client_load_reporting_interval_seconds_(
|
|
|
|
client_load_reporting_interval_seconds),
|
|
|
|
cluster_names_({kDefaultResourceName}) {}
|
|
|
|
|
|
|
|
Status StreamLoadStats(ServerContext* /*context*/, Stream* stream) override {
|
|
|
|
gpr_log(GPR_INFO, "LRS[%p]: StreamLoadStats starts", this);
|
|
|
|
GPR_ASSERT(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 = shared_from_this();
|
|
|
|
// Read initial request.
|
|
|
|
LoadStatsRequest request;
|
|
|
|
if (stream->Read(&request)) {
|
|
|
|
IncreaseRequestCount(); // Only for initial request.
|
|
|
|
// Verify server name set in metadata.
|
|
|
|
auto it =
|
|
|
|
request.node().metadata().fields().find("PROXYLESS_CLIENT_HOSTNAME");
|
|
|
|
GPR_ASSERT(it != request.node().metadata().fields().end());
|
|
|
|
EXPECT_EQ(it->second.string_value(), kDefaultResourceName);
|
|
|
|
// Verify client features.
|
|
|
|
EXPECT_THAT(request.node().client_features(),
|
|
|
|
::testing::Contains("envoy.lrs.supports_send_all_clusters"));
|
|
|
|
// Send initial response.
|
|
|
|
LoadStatsResponse response;
|
|
|
|
if (send_all_clusters_) {
|
|
|
|
response.set_send_all_clusters(true);
|
|
|
|
} else {
|
|
|
|
for (const std::string& cluster_name : cluster_names_) {
|
|
|
|
response.add_clusters(cluster_name);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
response.mutable_load_reporting_interval()->set_seconds(
|
|
|
|
client_load_reporting_interval_seconds_);
|
|
|
|
stream->Write(response);
|
|
|
|
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(&load_report_mu_);
|
|
|
|
result_queue_.emplace_back(std::move(stats));
|
|
|
|
if (load_report_cond_ != nullptr) load_report_cond_->Signal();
|
|
|
|
}
|
|
|
|
// Wait until notified done.
|
|
|
|
grpc_core::MutexLock lock(&lrs_mu_);
|
|
|
|
lrs_cv_.WaitUntil(&lrs_mu_, [this] { return lrs_done_; });
|
|
|
|
}
|
|
|
|
gpr_log(GPR_INFO, "LRS[%p]: StreamLoadStats done", this);
|
|
|
|
return Status::OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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:
|
|
|
|
void NotifyDoneWithLrsCallLocked() {
|
|
|
|
if (!lrs_done_) {
|
|
|
|
lrs_done_ = true;
|
|
|
|
lrs_cv_.Broadcast();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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)
|
|
|
|
: use_xds_resolver_(use_xds_resolver),
|
|
|
|
enable_load_reporting_(enable_load_reporting),
|
|
|
|
enable_rds_testing_(enable_rds_testing) {}
|
|
|
|
|
|
|
|
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_; }
|
|
|
|
|
|
|
|
grpc::string AsString() const {
|
|
|
|
grpc::string retval = (use_xds_resolver_ ? "XdsResolver" : "FakeResolver");
|
|
|
|
if (enable_load_reporting_) retval += "WithLoadReporting";
|
|
|
|
if (enable_rds_testing_) retval += "Rds";
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
const bool use_xds_resolver_;
|
|
|
|
const bool enable_load_reporting_;
|
|
|
|
const bool enable_rds_testing_;
|
|
|
|
};
|
|
|
|
|
|
|
|
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_BOOTSTRAP", g_bootstrap_file);
|
|
|
|
g_port_saver->Reset();
|
|
|
|
response_generator_ =
|
|
|
|
grpc_core::MakeRefCounted<grpc_core::FakeResolverResponseGenerator>();
|
|
|
|
lb_channel_response_generator_ =
|
|
|
|
grpc_core::MakeRefCounted<grpc_core::FakeResolverResponseGenerator>();
|
|
|
|
// 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();
|
|
|
|
if (GetParam().enable_rds_testing()) {
|
|
|
|
balancers_[i]->ads_service()->SetLdsToUseDynamicRds();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
ResetStub();
|
|
|
|
}
|
|
|
|
|
|
|
|
void TearDown() override {
|
|
|
|
ShutdownAllBackends();
|
|
|
|
for (auto& balancer : balancers_) balancer->Shutdown();
|
|
|
|
}
|
|
|
|
|
|
|
|
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,
|
|
|
|
const grpc::string& expected_targets = "",
|
|
|
|
int xds_resource_does_not_exist_timeout = 0) {
|
|
|
|
ChannelArguments args;
|
|
|
|
if (failover_timeout > 0) {
|
|
|
|
args.SetInt(GRPC_ARG_PRIORITY_FAILOVER_TIMEOUT_MS, failover_timeout);
|
|
|
|
}
|
|
|
|
if (xds_resource_does_not_exist_timeout > 0) {
|
|
|
|
args.SetInt(GRPC_ARG_XDS_RESOURCE_DOES_NOT_EXIST_TIMEOUT_MS,
|
|
|
|
xds_resource_does_not_exist_timeout);
|
|
|
|
}
|
|
|
|
// If the parent channel is using the fake resolver, we inject the
|
|
|
|
// response generator for the parent here, and then SetNextResolution()
|
|
|
|
// will inject the xds channel's response generator via the parent's
|
|
|
|
// response generator.
|
|
|
|
//
|
|
|
|
// In contrast, if we are using the xds resolver, then the parent
|
|
|
|
// channel never uses a response generator, and we inject the xds
|
|
|
|
// channel's response generator here.
|
|
|
|
args.SetPointer(GRPC_ARG_FAKE_RESOLVER_RESPONSE_GENERATOR,
|
|
|
|
GetParam().use_xds_resolver()
|
|
|
|
? lb_channel_response_generator_.get()
|
|
|
|
: response_generator_.get());
|
|
|
|
if (!expected_targets.empty()) {
|
|
|
|
args.SetString(GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS, expected_targets);
|
|
|
|
}
|
|
|
|
grpc::string scheme =
|
|
|
|
GetParam().use_xds_resolver() ? "xds-experimental" : "fake";
|
|
|
|
std::ostringstream uri;
|
|
|
|
uri << scheme << ":///" << kApplicationTargetName_;
|
|
|
|
// TODO(dgq): templatize tests to run everything using both secure and
|
|
|
|
// insecure channel credentials.
|
|
|
|
grpc_channel_credentials* channel_creds =
|
|
|
|
grpc_fake_transport_security_credentials_create();
|
|
|
|
grpc_call_credentials* call_creds = grpc_md_only_test_credentials_create(
|
|
|
|
g_kCallCredsMdKey, g_kCallCredsMdValue, false);
|
|
|
|
std::shared_ptr<ChannelCredentials> creds(
|
|
|
|
new SecureChannelCredentials(grpc_composite_channel_credentials_create(
|
|
|
|
channel_creds, call_creds, nullptr)));
|
|
|
|
call_creds->Unref();
|
|
|
|
channel_creds->Unref();
|
|
|
|
channel_ = ::grpc::CreateCustomChannel(uri.str(), creds, args);
|
|
|
|
stub_ = grpc::testing::EchoTestService::NewStub(channel_);
|
|
|
|
stub1_ = grpc::testing::EchoTest1Service::NewStub(channel_);
|
|
|
|
stub2_ = grpc::testing::EchoTest2Service::NewStub(channel_);
|
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
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()) {
|
|
|
|
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);
|
|
|
|
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) {
|
|
|
|
char* lb_uri_str;
|
|
|
|
gpr_asprintf(&lb_uri_str, "ipv4:127.0.0.1:%d", port);
|
|
|
|
grpc_uri* lb_uri = grpc_uri_parse(lb_uri_str, true);
|
|
|
|
GPR_ASSERT(lb_uri != nullptr);
|
|
|
|
grpc_resolved_address address;
|
|
|
|
GPR_ASSERT(grpc_parse_uri(lb_uri, &address));
|
|
|
|
addresses.emplace_back(address.addr, address.len, nullptr);
|
|
|
|
grpc_uri_destroy(lb_uri);
|
|
|
|
gpr_free(lb_uri_str);
|
|
|
|
}
|
|
|
|
return addresses;
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetNextResolution(const std::vector<int>& ports,
|
|
|
|
grpc_core::FakeResolverResponseGenerator*
|
|
|
|
lb_channel_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(service_config_json, &error);
|
|
|
|
ASSERT_EQ(error, GRPC_ERROR_NONE) << grpc_error_string(error);
|
|
|
|
ASSERT_NE(result.service_config.get(), nullptr);
|
|
|
|
grpc_arg arg = grpc_core::FakeResolverResponseGenerator::MakeChannelArg(
|
|
|
|
lb_channel_response_generator == nullptr
|
|
|
|
? lb_channel_response_generator_.get()
|
|
|
|
: lb_channel_response_generator);
|
|
|
|
result.args = grpc_channel_args_copy_and_add(nullptr, &arg, 1);
|
|
|
|
response_generator_->SetResponse(std::move(result));
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetNextResolutionForLbChannelAllBalancers(
|
|
|
|
const char* service_config_json = nullptr,
|
|
|
|
grpc_core::FakeResolverResponseGenerator* lb_channel_response_generator =
|
|
|
|
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,
|
|
|
|
lb_channel_response_generator);
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetNextResolutionForLbChannel(
|
|
|
|
const std::vector<int>& ports, const char* service_config_json = nullptr,
|
|
|
|
grpc_core::FakeResolverResponseGenerator* lb_channel_response_generator =
|
|
|
|
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(service_config_json, &error);
|
|
|
|
ASSERT_NE(result.service_config.get(), nullptr);
|
|
|
|
ASSERT_EQ(error, GRPC_ERROR_NONE) << grpc_error_string(error);
|
|
|
|
}
|
|
|
|
if (lb_channel_response_generator == nullptr) {
|
|
|
|
lb_channel_response_generator = lb_channel_response_generator_.get();
|
|
|
|
}
|
|
|
|
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;
|
|
|
|
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, bool server_fail = false) {
|
|
|
|
for (size_t i = 0; i < times; ++i) {
|
|
|
|
const Status status = SendRpc(RpcOptions().set_server_fail(server_fail));
|
|
|
|
EXPECT_FALSE(status.ok());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::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_.reset(
|
|
|
|
new 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;
|
|
|
|
std::shared_ptr<ServerCredentials> creds(new SecureServerCredentials(
|
|
|
|
grpc_fake_transport_security_server_credentials_create()));
|
|
|
|
builder.AddListeningPort(server_address.str(), creds);
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
|
|
|
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_;
|
|
|
|
}
|
|
|
|
|
|
|
|
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(client_load_reporting_interval > 0)),
|
|
|
|
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_.get());
|
|
|
|
builder->RegisterService(lrs_service_.get());
|
|
|
|
}
|
|
|
|
|
|
|
|
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_;
|
|
|
|
};
|
|
|
|
|
|
|
|
const size_t num_backends_;
|
|
|
|
const size_t num_balancers_;
|
|
|
|
const int client_load_reporting_interval_seconds_;
|
|
|
|
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_;
|
|
|
|
const grpc::string kRequestMessage_ = "Live long and prosper.";
|
|
|
|
const grpc::string kApplicationTargetName_ = kDefaultResourceName;
|
|
|
|
const char* kDefaultServiceConfig_ =
|
|
|
|
"{\n"
|
|
|
|
" \"loadBalancingConfig\":[\n"
|
|
|
|
" { \"does_not_exist\":{} },\n"
|
|
|
|
" { \"eds_experimental\":{\n"
|
|
|
|
" \"clusterName\": \"application_target_name\",\n"
|
|
|
|
" \"lrsLoadReportingServerName\": \"\"\n"
|
|
|
|
" } }\n"
|
|
|
|
" ]\n"
|
|
|
|
"}";
|
|
|
|
const char* kDefaultServiceConfigWithoutLoadReporting_ =
|
|
|
|
"{\n"
|
|
|
|
" \"loadBalancingConfig\":[\n"
|
|
|
|
" { \"does_not_exist\":{} },\n"
|
|
|
|
" { \"eds_experimental\":{\n"
|
|
|
|
" \"clusterName\": \"application_target_name\"\n"
|
|
|
|
" } }\n"
|
|
|
|
" ]\n"
|
|
|
|
"}";
|
|
|
|
};
|
|
|
|
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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_routing_experimental"
|
|
|
|
: "eds_experimental"),
|
|
|
|
channel_->GetLoadBalancingPolicyName());
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(BasicTest, IgnoresUnhealthyEndpoints) {
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
const size_t kNumRpcsPerAddress = 100;
|
|
|
|
AdsServiceImpl::EdsResourceArgs args({
|
|
|
|
{"locality0",
|
|
|
|
GetBackendPorts(),
|
|
|
|
kDefaultLocalityWeight,
|
|
|
|
kDefaultLocalityPriority,
|
|
|
|
{envoy::api::v2::HealthStatus::DRAINING}},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// Send non-empty serverlist only after kServerlistDelayMs.
|
|
|
|
args = AdsServiceImpl::EdsResourceArgs({
|
|
|
|
{"locality0", GetBackendPorts()},
|
|
|
|
});
|
|
|
|
std::thread delayed_resource_setter(
|
|
|
|
std::bind(&BasicTest::SetEdsResourceWithDelay, this, 0,
|
|
|
|
AdsServiceImpl::BuildEdsResource(args), 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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));
|
|
|
|
}
|
|
|
|
|
|
|
|
using XdsResolverOnlyTest = BasicTest;
|
|
|
|
|
|
|
|
// Tests switching over from one cluster to another.
|
|
|
|
TEST_P(XdsResolverOnlyTest, ChangeClusters) {
|
|
|
|
const char* kNewClusterName = "new_cluster_name";
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
AdsServiceImpl::EdsResourceArgs args({
|
|
|
|
{"locality0", GetBackendPorts(0, 2)},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewClusterName));
|
|
|
|
// Populate new CDS resource.
|
|
|
|
Cluster new_cluster = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster.set_name(kNewClusterName);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster);
|
|
|
|
// Change RDS resource to point to new cluster.
|
|
|
|
RouteConfiguration new_route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
new_route_config.mutable_virtual_hosts(0)
|
|
|
|
->mutable_routes(0)
|
|
|
|
->mutable_route()
|
|
|
|
->set_cluster(kNewClusterName);
|
|
|
|
Listener listener =
|
|
|
|
balancers_[0]->ads_service()->BuildListener(new_route_config);
|
|
|
|
balancers_[0]->ads_service()->SetLdsResource(listener);
|
|
|
|
// 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 Listener is removed.
|
|
|
|
TEST_P(XdsResolverOnlyTest, ListenerRemoved) {
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
AdsServiceImpl::EdsResourceArgs args({
|
|
|
|
{"locality0", GetBackendPorts()},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// We need to wait for all backends to come online.
|
|
|
|
WaitForAllBackends();
|
|
|
|
// Unset CDS resource.
|
|
|
|
balancers_[0]->ads_service()->UnsetResource(kLdsTypeUrl,
|
|
|
|
kDefaultResourceName);
|
|
|
|
// 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 things keep workng if the cluster resource disappears.
|
|
|
|
TEST_P(XdsResolverOnlyTest, ClusterRemoved) {
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
AdsServiceImpl::EdsResourceArgs args({
|
|
|
|
{"locality0", GetBackendPorts()},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// We need to wait for all backends to come online.
|
|
|
|
WaitForAllBackends();
|
|
|
|
// Unset CDS resource.
|
|
|
|
balancers_[0]->ads_service()->UnsetResource(kCdsTypeUrl,
|
|
|
|
kDefaultResourceName);
|
|
|
|
// Make sure RPCs are still succeeding.
|
|
|
|
CheckRpcSendOk(100 * num_backends_);
|
|
|
|
// 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) {
|
|
|
|
balancers_[0]->ads_service()->SetLdsToUseDynamicRds();
|
|
|
|
const char* kNewClusterName = "new_cluster_name";
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
AdsServiceImpl::EdsResourceArgs args({
|
|
|
|
{"locality0", GetBackendPorts(0, 2)},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewClusterName));
|
|
|
|
// Populate new CDS resource.
|
|
|
|
Cluster new_cluster = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster.set_name(kNewClusterName);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster);
|
|
|
|
// Change RDS resource to point to new cluster.
|
|
|
|
RouteConfiguration new_route_config =
|
|
|
|
balancers_[0]->ads_service()->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 =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
route_config.mutable_virtual_hosts(0)
|
|
|
|
->mutable_routes(0)
|
|
|
|
->mutable_match()
|
|
|
|
->set_prefix("/");
|
|
|
|
balancers_[0]->ads_service()->SetLdsResource(
|
|
|
|
AdsServiceImpl::BuildListener(route_config));
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
AdsServiceImpl::EdsResourceArgs args({
|
|
|
|
{"locality0", GetBackendPorts()},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// We need to wait for all backends to come online.
|
|
|
|
WaitForAllBackends();
|
|
|
|
}
|
|
|
|
|
|
|
|
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";
|
|
|
|
balancers_[0]->lrs_service()->set_cluster_names(
|
|
|
|
{kDefaultResourceName, kNewClusterName});
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
// cluster kDefaultResourceName -> locality0 -> backends 0 and 1
|
|
|
|
AdsServiceImpl::EdsResourceArgs args({
|
|
|
|
{"locality0", GetBackendPorts(0, 2)},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// cluster kNewClusterName -> locality1 -> backends 2 and 3
|
|
|
|
AdsServiceImpl::EdsResourceArgs args2({
|
|
|
|
{"locality1", GetBackendPorts(2, 4)},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewClusterName));
|
|
|
|
// CDS resource for kNewClusterName.
|
|
|
|
Cluster new_cluster = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster.set_name(kNewClusterName);
|
|
|
|
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, kDefaultResourceName),
|
|
|
|
::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 =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
new_route_config.mutable_virtual_hosts(0)
|
|
|
|
->mutable_routes(0)
|
|
|
|
->mutable_route()
|
|
|
|
->set_cluster(kNewClusterName);
|
|
|
|
Listener listener =
|
|
|
|
balancers_[0]->ads_service()->BuildListener(new_route_config);
|
|
|
|
balancers_[0]->ads_service()->SetLdsResource(listener);
|
|
|
|
// 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,
|
|
|
|
kDefaultResourceName),
|
|
|
|
::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) {
|
|
|
|
// TODO(juanlishen): Use separate fake creds for the balancer channel.
|
|
|
|
ResetStub(0, kApplicationTargetName_ + ";lb");
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannel({balancers_[0]->port()});
|
|
|
|
const size_t kNumRpcsPerAddress = 100;
|
|
|
|
AdsServiceImpl::EdsResourceArgs args({
|
|
|
|
{"locality0", GetBackendPorts()},
|
|
|
|
});
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that secure naming check fails if target name is unexpected.
|
|
|
|
TEST_P(SecureNamingTest, TargetNameIsUnexpected) {
|
|
|
|
gpr_setenv("GRPC_XDS_BOOTSTRAP", g_bootstrap_file_bad);
|
|
|
|
::testing::FLAGS_gtest_death_test_style = "threadsafe";
|
|
|
|
// 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(
|
|
|
|
{
|
|
|
|
ResetStub(0, kApplicationTargetName_ + ";lb");
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannel({balancers_[0]->port()});
|
|
|
|
channel_->WaitForConnected(grpc_timeout_seconds_to_deadline(1));
|
|
|
|
},
|
|
|
|
"");
|
|
|
|
}
|
|
|
|
|
|
|
|
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 = balancers_[0]->ads_service()->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 = balancers_[0]->ads_service()->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 = balancers_[0]->ads_service()->default_listener();
|
|
|
|
HttpConnectionManager http_connection_manager;
|
|
|
|
http_connection_manager.mutable_rds()->set_route_config_name(
|
|
|
|
kDefaultResourceName);
|
|
|
|
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 = balancers_[0]->ads_service()->default_listener();
|
|
|
|
HttpConnectionManager http_connection_manager;
|
|
|
|
auto* rds = http_connection_manager.mutable_rds();
|
|
|
|
rds->set_route_config_name(kDefaultResourceName);
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if matching domain can't be found in
|
|
|
|
// the LDS response.
|
|
|
|
TEST_P(LdsRdsTest, NoMatchedDomain) {
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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();
|
|
|
|
const auto& response_state = RouteConfigurationResponseState(0);
|
|
|
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED);
|
|
|
|
EXPECT_EQ(response_state.error_message,
|
|
|
|
"No matched virtual host found in the route config.");
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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 =
|
|
|
|
balancers_[0]->ads_service()->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");
|
|
|
|
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 choose the last route in the virtual host if
|
|
|
|
// multiple routes exist in the LDS response.
|
|
|
|
TEST_P(LdsRdsTest, ChooseLastRoute) {
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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 send a NACK if route match has non-empty prefix
|
|
|
|
// as the only route (default) in the LDS response.
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasNonemptyPrefix) {
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
route_config.mutable_virtual_hosts(0)
|
|
|
|
->mutable_routes(0)
|
|
|
|
->mutable_match()
|
|
|
|
->set_prefix("/nonempty_prefix/");
|
|
|
|
SetRouteConfiguration(0, route_config);
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
CheckRpcSendFailure();
|
|
|
|
const auto& response_state = RouteConfigurationResponseState(0);
|
|
|
|
balancers_[0]->ads_service()->lds_response_state();
|
|
|
|
EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED);
|
|
|
|
EXPECT_EQ(response_state.error_message,
|
|
|
|
"Default route must have empty service and method");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has a prefix
|
|
|
|
// string with no "/".
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPrefixNonEmptyNoSlash) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
route1->mutable_match()->set_prefix("grpc.testing.EchoTest1Service");
|
|
|
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultResourceName);
|
|
|
|
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, "Prefix does not start with a /");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has a prefix
|
|
|
|
// string does not end with "/".
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPrefixNoEndingSlash) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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,
|
|
|
|
"Prefix not in the required format of /service/");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has a prefix
|
|
|
|
// string does not start with "/".
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPrefixNoLeadingSlash) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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, "Prefix does not start with a /");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has a prefix
|
|
|
|
// string with extra content outside of "/service/".
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPrefixExtraContent) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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, "Prefix does not end with a /");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has a prefix
|
|
|
|
// string "//".
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPrefixNoContent) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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, "Prefix contains empty service name");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has path
|
|
|
|
// but it's empty.
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathEmptyPath) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultResourceName);
|
|
|
|
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, "Path if set cannot be empty");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has path
|
|
|
|
// string does not start with "/".
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathNoLeadingSlash) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultResourceName);
|
|
|
|
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, "Path does not start with a /");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has path
|
|
|
|
// string that ends with "/".
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathEndsWithSlash) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultResourceName);
|
|
|
|
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,
|
|
|
|
"Path not in the required format of /service/method");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has path
|
|
|
|
// string that misses "/" between service and method.
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathMissingMiddleSlash) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultResourceName);
|
|
|
|
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,
|
|
|
|
"Path not in the required format of /service/method");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has path
|
|
|
|
// string that is missing service.
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathMissingService) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultResourceName);
|
|
|
|
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, "Path contains empty service name");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route match has path
|
|
|
|
// string that is missing method.
|
|
|
|
TEST_P(LdsRdsTest, RouteMatchHasInvalidPathMissingMethod) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultResourceName);
|
|
|
|
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, "Path contains empty method name");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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 =
|
|
|
|
balancers_[0]->ads_service()->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.");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client should send a NACK if route has a
|
|
|
|
// cluster_specifier other than cluster or weighted_clusters in the LDS
|
|
|
|
// response.
|
|
|
|
TEST_P(LdsRdsTest, RouteActionUnsupportedClusterSpecifier) {
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->default_route_config();
|
|
|
|
route_config.mutable_virtual_hosts(0)
|
|
|
|
->mutable_routes(0)
|
|
|
|
->mutable_route()
|
|
|
|
->mutable_cluster_header();
|
|
|
|
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 cluster or weighted_clusters found in RouteAction.");
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, RouteActionClusterHasEmptyClusterName) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
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.");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, RouteActionWeightedTargetHasIncorrectTotalWeightSet) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
const size_t kWeight75 = 75;
|
|
|
|
const char* kNewCluster1Name = "new_cluster_1";
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
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");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, RouteActionWeightedTargetClusterHasEmptyClusterName) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
const size_t kWeight75 = 75;
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
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.");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, RouteActionWeightedTargetClusterHasNoWeight) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
const size_t kWeight75 = 75;
|
|
|
|
const char* kNewCluster1Name = "new_cluster_1";
|
|
|
|
RouteConfiguration route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
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");
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that LDS client times out when no response received.
|
|
|
|
TEST_P(LdsRdsTest, Timeout) {
|
|
|
|
ResetStub(0, "", 500);
|
|
|
|
if (GetParam().enable_rds_testing()) {
|
|
|
|
balancers_[0]->ads_service()->SetResourceIgnore(kRdsTypeUrl);
|
|
|
|
} else {
|
|
|
|
balancers_[0]->ads_service()->SetResourceIgnore(kLdsTypeUrl);
|
|
|
|
}
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
CheckRpcSendFailure();
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
const char* kNewCluster1Name = "new_cluster_1";
|
|
|
|
const char* kNewCluster2Name = "new_cluster_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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args1, kNewCluster1Name));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewCluster2Name));
|
|
|
|
// Populate new CDS resources.
|
|
|
|
Cluster new_cluster1 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster1.set_name(kNewCluster1Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1);
|
|
|
|
Cluster new_cluster2 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster2.set_name(kNewCluster2Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2);
|
|
|
|
// Populating Route Configurations for LDS.
|
|
|
|
RouteConfiguration new_route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultResourceName);
|
|
|
|
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());
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, XdsRoutingPrefixMatching) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
const char* kNewCluster1Name = "new_cluster_1";
|
|
|
|
const char* kNewCluster2Name = "new_cluster_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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args1, kNewCluster1Name));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewCluster2Name));
|
|
|
|
// Populate new CDS resources.
|
|
|
|
Cluster new_cluster1 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster1.set_name(kNewCluster1Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1);
|
|
|
|
Cluster new_cluster2 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster2.set_name(kNewCluster2Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2);
|
|
|
|
// Populating Route Configurations for LDS.
|
|
|
|
RouteConfiguration new_route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
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());
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, XdsRoutingWeightedCluster) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
const char* kNewCluster1Name = "new_cluster_1";
|
|
|
|
const char* kNewCluster2Name = "new_cluster_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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args1, kNewCluster1Name));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewCluster2Name));
|
|
|
|
// Populate new CDS resources.
|
|
|
|
Cluster new_cluster1 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster1.set_name(kNewCluster1Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1);
|
|
|
|
Cluster new_cluster2 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster2.set_name(kNewCluster2Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2);
|
|
|
|
// Populating Route Configurations for LDS.
|
|
|
|
RouteConfiguration new_route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
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(kNumEcho1Rpcs * kWeight75 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight75 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
EXPECT_THAT(weight_25_request_count,
|
|
|
|
::testing::AllOf(::testing::Ge(kNumEcho1Rpcs * kWeight25 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight25 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, RouteActionWeightedTargetDefaultRoute) {
|
|
|
|
const char* kNewCluster1Name = "new_cluster_1";
|
|
|
|
const char* kNewCluster2Name = "new_cluster_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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args1, kNewCluster1Name));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewCluster2Name));
|
|
|
|
// Populate new CDS resources.
|
|
|
|
Cluster new_cluster1 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster1.set_name(kNewCluster1Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1);
|
|
|
|
Cluster new_cluster2 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster2.set_name(kNewCluster2Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2);
|
|
|
|
// Populating Route Configurations for LDS.
|
|
|
|
RouteConfiguration new_route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kNumEchoRpcs * kWeight75 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEchoRpcs * kWeight75 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
EXPECT_THAT(weight_25_request_count,
|
|
|
|
::testing::AllOf(::testing::Ge(kNumEchoRpcs * kWeight25 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEchoRpcs * kWeight25 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, XdsRoutingWeightedClusterUpdateWeights) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
const char* kNewCluster1Name = "new_cluster_1";
|
|
|
|
const char* kNewCluster2Name = "anew_cluster_2";
|
|
|
|
const char* kNewCluster3Name = "new_cluster_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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args1, kNewCluster1Name));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewCluster2Name));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args3, kNewCluster3Name));
|
|
|
|
// Populate new CDS resources.
|
|
|
|
Cluster new_cluster1 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster1.set_name(kNewCluster1Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1);
|
|
|
|
Cluster new_cluster2 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster2.set_name(kNewCluster2Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2);
|
|
|
|
Cluster new_cluster3 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster3.set_name(kNewCluster3Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster3);
|
|
|
|
// Populating Route Configurations.
|
|
|
|
RouteConfiguration new_route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
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(kNumEcho1Rpcs * kWeight75 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight75 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
EXPECT_THAT(weight_25_request_count,
|
|
|
|
::testing::AllOf(::testing::Ge(kNumEcho1Rpcs * kWeight25 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight25 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
// 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(kNumEcho1Rpcs * kWeight50 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight50 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
EXPECT_THAT(weight_50_request_count_2,
|
|
|
|
::testing::AllOf(::testing::Ge(kNumEcho1Rpcs * kWeight50 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight50 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(LdsRdsTest, XdsRoutingWeightedClusterUpdateClusters) {
|
|
|
|
gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
|
|
|
|
const char* kNewCluster1Name = "new_cluster_1";
|
|
|
|
const char* kNewCluster2Name = "anew_cluster_2";
|
|
|
|
const char* kNewCluster3Name = "new_cluster_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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args1, kNewCluster1Name));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args2, kNewCluster2Name));
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args3, kNewCluster3Name));
|
|
|
|
// Populate new CDS resources.
|
|
|
|
Cluster new_cluster1 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster1.set_name(kNewCluster1Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster1);
|
|
|
|
Cluster new_cluster2 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster2.set_name(kNewCluster2Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster2);
|
|
|
|
Cluster new_cluster3 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
new_cluster3.set_name(kNewCluster3Name);
|
|
|
|
balancers_[0]->ads_service()->SetCdsResource(new_cluster3);
|
|
|
|
// Populating Route Configurations.
|
|
|
|
RouteConfiguration new_route_config =
|
|
|
|
balancers_[0]->ads_service()->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(kDefaultResourceName);
|
|
|
|
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(kDefaultResourceName);
|
|
|
|
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(kNumEcho1Rpcs * kWeight75 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight75 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
EXPECT_THAT(weight_25_request_count,
|
|
|
|
::testing::AllOf(::testing::Ge(kNumEcho1Rpcs * kWeight25 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight25 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
// 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(kNumEcho1Rpcs * kWeight50 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight50 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
EXPECT_THAT(weight_50_request_count_2,
|
|
|
|
::testing::AllOf(::testing::Ge(kNumEcho1Rpcs * kWeight50 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(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(kNumEcho1Rpcs * kWeight75 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight75 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
EXPECT_THAT(weight_25_request_count,
|
|
|
|
::testing::AllOf(::testing::Ge(kNumEcho1Rpcs * kWeight25 / 100 *
|
|
|
|
(1 - kErrorTolerance)),
|
|
|
|
::testing::Le(kNumEcho1Rpcs * kWeight25 / 100 *
|
|
|
|
(1 + kErrorTolerance))));
|
|
|
|
gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
|
|
|
|
}
|
|
|
|
|
|
|
|
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 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
cluster.set_type(envoy::api::v2::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 = balancers_[0]->ads_service()->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 = balancers_[0]->ads_service()->default_cluster();
|
|
|
|
cluster.set_lb_policy(envoy::api::v2::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 = balancers_[0]->ads_service()->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.");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Tests that CDS client times out when no response received.
|
|
|
|
TEST_P(CdsTest, Timeout) {
|
|
|
|
ResetStub(0, "", 500);
|
|
|
|
balancers_[0]->ads_service()->SetResourceIgnore(kCdsTypeUrl);
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
CheckRpcSendFailure();
|
|
|
|
}
|
|
|
|
|
|
|
|
using EdsTest = BasicTest;
|
|
|
|
|
|
|
|
TEST_P(EdsTest, Timeout) {
|
|
|
|
ResetStub(0, "", 500);
|
|
|
|
balancers_[0]->ads_service()->SetResourceIgnore(kEdsTypeUrl);
|
|
|
|
SetNextResolution({});
|
|
|
|
SetNextResolutionForLbChannelAllBalancers();
|
|
|
|
CheckRpcSendFailure();
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::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");
|
|
|
|
}
|
|
|
|
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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();
|
|
|
|
// EDS response contains 2 localities, one with no endpoints.
|
|
|
|
balancers_[0]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource({}));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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,
|
|
|
|
AdsServiceImpl::BuildEdsResource(args), 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;
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
args = AdsServiceImpl::EdsResourceArgs({
|
|
|
|
{"locality1", GetBackendPorts(1, 2)},
|
|
|
|
});
|
|
|
|
std::thread delayed_resource_setter(
|
|
|
|
std::bind(&BasicTest::SetEdsResourceWithDelay, this, 0,
|
|
|
|
AdsServiceImpl::BuildEdsResource(args), 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(100, "");
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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,
|
|
|
|
AdsServiceImpl::BuildEdsResource(args), 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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,
|
|
|
|
AdsServiceImpl::BuildEdsResource(args), 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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,
|
|
|
|
AdsServiceImpl::BuildEdsResource(args), 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
args = AdsServiceImpl::EdsResourceArgs({
|
|
|
|
{"locality0", {backends_[1]->port()}},
|
|
|
|
});
|
|
|
|
balancers_[1]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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);
|
|
|
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state,
|
|
|
|
AdsServiceImpl::ResponseState::NOT_SENT);
|
|
|
|
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);
|
|
|
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state,
|
|
|
|
AdsServiceImpl::ResponseState::NOT_SENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
args = AdsServiceImpl::EdsResourceArgs({
|
|
|
|
{"locality0", {backends_[1]->port()}},
|
|
|
|
});
|
|
|
|
balancers_[1]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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);
|
|
|
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state,
|
|
|
|
AdsServiceImpl::ResponseState::NOT_SENT);
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
args = AdsServiceImpl::EdsResourceArgs({
|
|
|
|
{"locality0", {backends_[1]->port()}},
|
|
|
|
});
|
|
|
|
balancers_[1]->ads_service()->SetEdsResource(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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);
|
|
|
|
EXPECT_EQ(balancers_[2]->ads_service()->eds_response_state().state,
|
|
|
|
AdsServiceImpl::ResponseState::NOT_SENT);
|
|
|
|
// 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);
|
|
|
|
EXPECT_EQ(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);
|
|
|
|
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);
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
// The re-resolution tests are deferred because they rely on the fallback mode,
|
|
|
|
// which hasn't been supported.
|
|
|
|
|
|
|
|
// TODO(juanlishen): Add TEST_P(BalancerUpdateTest, ReresolveDeadBackend).
|
|
|
|
|
|
|
|
// TODO(juanlishen): Add TEST_P(UpdatesWithClientLoadReportingTest,
|
|
|
|
// ReresolveDeadBalancer)
|
|
|
|
|
|
|
|
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) {
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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_,
|
|
|
|
/*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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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_,
|
|
|
|
/*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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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) {
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
// 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) {
|
|
|
|
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(
|
|
|
|
AdsServiceImpl::BuildEdsResource(args));
|
|
|
|
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.
|
|
|
|
std::vector<ClientStats> load_report =
|
|
|
|
balancers_[0]->lrs_service()->WaitForLoadReport();
|
|
|
|
ASSERT_EQ(load_report.size(), 1UL);
|
|
|
|
ClientStats& client_stats = load_report.front();
|
|
|
|
EXPECT_EQ(num_drops, client_stats.total_dropped_requests());
|
|
|
|
const size_t total_rpc = num_warmup + kNumRpcs;
|
|
|
|
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))));
|
|
|
|
}
|
|
|
|
|
|
|
|
grpc::string TestTypeName(const ::testing::TestParamInfo<TestType>& info) {
|
|
|
|
return info.param.AsString();
|
|
|
|
}
|
|
|
|
|
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, BasicTest,
|
|
|
|
::testing::Values(TestType(false, true),
|
|
|
|
TestType(false, false),
|
|
|
|
TestType(true, false),
|
|
|
|
TestType(true, true)),
|
|
|
|
&TestTypeName);
|
|
|
|
|
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, SecureNamingTest,
|
|
|
|
::testing::Values(TestType(false, true),
|
|
|
|
TestType(false, false),
|
|
|
|
TestType(true, false),
|
|
|
|
TestType(true, true)),
|
|
|
|
&TestTypeName);
|
|
|
|
|
|
|
|
// LDS depends on XdsResolver.
|
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, LdsTest,
|
|
|
|
::testing::Values(TestType(true, false),
|
|
|
|
TestType(true, true)),
|
|
|
|
&TestTypeName);
|
|
|
|
|
|
|
|
// LDS RDS Commmon tests depends on XdsResolver.
|
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, LdsRdsTest,
|
|
|
|
::testing::Values(TestType(true, false),
|
|
|
|
TestType(true, true),
|
|
|
|
TestType(true, false, true),
|
|
|
|
TestType(true, true, true)),
|
|
|
|
&TestTypeName);
|
|
|
|
|
|
|
|
// CDS depends on XdsResolver.
|
|
|
|
INSTANTIATE_TEST_SUITE_P(XdsTest, CdsTest,
|
|
|
|
::testing::Values(TestType(true, false),
|
|
|
|
TestType(true, 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);
|
|
|
|
|
|
|
|
// 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;
|
|
|
|
}
|