|
|
|
// Copyright 2017 gRPC authors.
|
|
|
|
//
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
// you may not use this file except in compliance with the License.
|
|
|
|
// You may obtain a copy of the License at
|
|
|
|
//
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
//
|
|
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
// See the License for the specific language governing permissions and
|
|
|
|
// limitations under the License.
|
|
|
|
//
|
|
|
|
|
|
|
|
#include <memory>
|
|
|
|
|
|
|
|
#include <gmock/gmock.h>
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
|
|
|
|
#include "absl/memory/memory.h"
|
|
|
|
#include "absl/strings/str_cat.h"
|
|
|
|
|
|
|
|
#include "src/core/ext/filters/client_channel/backup_poller.h"
|
|
|
|
#include "src/core/lib/config/config_vars.h"
|
|
|
|
#include "src/core/lib/gprpp/env.h"
|
|
|
|
#include "src/proto/grpc/lookup/v1/rls.grpc.pb.h"
|
|
|
|
#include "src/proto/grpc/lookup/v1/rls.pb.h"
|
|
|
|
#include "src/proto/grpc/lookup/v1/rls_config.pb.h"
|
|
|
|
#include "test/core/util/scoped_env_var.h"
|
|
|
|
#include "test/cpp/end2end/rls_server.h"
|
|
|
|
#include "test/cpp/end2end/xds/xds_end2end_test_lib.h"
|
|
|
|
|
|
|
|
namespace grpc {
|
|
|
|
namespace testing {
|
|
|
|
namespace {
|
|
|
|
|
|
|
|
using ::grpc::lookup::v1::RouteLookupClusterSpecifier;
|
|
|
|
using ::grpc::lookup::v1::RouteLookupConfig;
|
|
|
|
|
|
|
|
using ::grpc_core::testing::ScopedExperimentalEnvVar;
|
|
|
|
|
|
|
|
constexpr char kRlsTestKey[] = "test_key";
|
|
|
|
constexpr char kRlsTestKey1[] = "key1";
|
|
|
|
constexpr char kRlsTestValue[] = "test_value";
|
|
|
|
constexpr char kRlsHostKey[] = "host_key";
|
|
|
|
constexpr char kRlsServiceKey[] = "service_key";
|
|
|
|
constexpr char kRlsServiceValue[] = "grpc.testing.EchoTestService";
|
|
|
|
constexpr char kRlsMethodKey[] = "method_key";
|
|
|
|
constexpr char kRlsMethodValue[] = "Echo";
|
|
|
|
constexpr char kRlsConstantKey[] = "constant_key";
|
|
|
|
constexpr char kRlsConstantValue[] = "constant_value";
|
|
|
|
constexpr char kRlsClusterSpecifierPluginInstanceName[] = "rls_plugin_instance";
|
|
|
|
|
|
|
|
class RlsTest : public XdsEnd2endTest {
|
|
|
|
protected:
|
|
|
|
class RlsServerThread : public ServerThread {
|
|
|
|
public:
|
|
|
|
explicit RlsServerThread(XdsEnd2endTest* test_obj)
|
|
|
|
: ServerThread(test_obj, /*use_xds_enabled_server=*/false),
|
|
|
|
rls_service_(new RlsServiceImpl()) {}
|
|
|
|
|
|
|
|
RlsServiceImpl* rls_service() { return rls_service_.get(); }
|
|
|
|
|
|
|
|
private:
|
|
|
|
const char* Type() override { return "Rls"; }
|
|
|
|
|
|
|
|
void RegisterAllServices(ServerBuilder* builder) override {
|
|
|
|
builder->RegisterService(rls_service_.get());
|
|
|
|
}
|
|
|
|
|
|
|
|
void StartAllServices() override { rls_service_->Start(); }
|
|
|
|
|
|
|
|
void ShutdownAllServices() override { rls_service_->Shutdown(); }
|
|
|
|
|
|
|
|
std::shared_ptr<RlsServiceImpl> rls_service_;
|
|
|
|
};
|
|
|
|
|
|
|
|
RlsTest() {
|
|
|
|
rls_server_ = std::make_unique<RlsServerThread>(this);
|
|
|
|
rls_server_->Start();
|
|
|
|
}
|
|
|
|
|
|
|
|
void TearDown() override {
|
|
|
|
rls_server_->Shutdown();
|
|
|
|
XdsEnd2endTest::TearDown();
|
|
|
|
}
|
|
|
|
|
|
|
|
std::unique_ptr<RlsServerThread> rls_server_;
|
|
|
|
};
|
|
|
|
|
|
|
|
// Test both with and without RDS.
|
|
|
|
INSTANTIATE_TEST_SUITE_P(
|
|
|
|
XdsTest, RlsTest,
|
|
|
|
::testing::Values(XdsTestType(), XdsTestType().set_enable_rds_testing()),
|
|
|
|
&XdsTestType::Name);
|
|
|
|
|
|
|
|
TEST_P(RlsTest, XdsRoutingClusterSpecifierPlugin) {
|
|
|
|
ScopedExperimentalEnvVar env_var("GRPC_EXPERIMENTAL_XDS_RLS_LB");
|
|
|
|
CreateAndStartBackends(2);
|
|
|
|
const char* kNewClusterName = "new_cluster";
|
|
|
|
const char* kNewEdsServiceName = "new_eds_service_name";
|
|
|
|
const size_t kNumEchoRpcs = 5;
|
|
|
|
// Populate new EDS resources.
|
|
|
|
EdsResourceArgs args({
|
|
|
|
{"locality0", CreateEndpointsForBackends(0, 1)},
|
|
|
|
});
|
|
|
|
EdsResourceArgs args1({
|
|
|
|
{"locality0", CreateEndpointsForBackends(1, 2)},
|
|
|
|
});
|
|
|
|
balancer_->ads_service()->SetEdsResource(BuildEdsResource(args));
|
|
|
|
balancer_->ads_service()->SetEdsResource(
|
|
|
|
BuildEdsResource(args1, kNewEdsServiceName));
|
|
|
|
// Populate new CDS resources.
|
|
|
|
Cluster new_cluster = default_cluster_;
|
|
|
|
new_cluster.set_name(kNewClusterName);
|
|
|
|
new_cluster.mutable_eds_cluster_config()->set_service_name(
|
|
|
|
kNewEdsServiceName);
|
|
|
|
balancer_->ads_service()->SetCdsResource(new_cluster);
|
|
|
|
// Prepare the RLSLookupConfig and configure all the keys; change route
|
|
|
|
// configurations to use cluster specifier plugin.
|
|
|
|
rls_server_->rls_service()->SetResponse(
|
|
|
|
BuildRlsRequest({{kRlsTestKey, kRlsTestValue},
|
|
|
|
{kRlsHostKey, kServerName},
|
|
|
|
{kRlsServiceKey, kRlsServiceValue},
|
|
|
|
{kRlsMethodKey, kRlsMethodValue},
|
|
|
|
{kRlsConstantKey, kRlsConstantValue}}),
|
|
|
|
BuildRlsResponse({kNewClusterName}));
|
|
|
|
RouteLookupConfig route_lookup_config;
|
|
|
|
auto* key_builder = route_lookup_config.add_grpc_keybuilders();
|
|
|
|
auto* name = key_builder->add_names();
|
|
|
|
name->set_service(kRlsServiceValue);
|
|
|
|
name->set_method(kRlsMethodValue);
|
|
|
|
auto* header = key_builder->add_headers();
|
|
|
|
header->set_key(kRlsTestKey);
|
|
|
|
header->add_names(kRlsTestKey1);
|
|
|
|
header->add_names("key2");
|
|
|
|
auto* extra_keys = key_builder->mutable_extra_keys();
|
|
|
|
extra_keys->set_host(kRlsHostKey);
|
|
|
|
extra_keys->set_service(kRlsServiceKey);
|
|
|
|
extra_keys->set_method(kRlsMethodKey);
|
|
|
|
(*key_builder->mutable_constant_keys())[kRlsConstantKey] = kRlsConstantValue;
|
|
|
|
route_lookup_config.set_lookup_service(
|
|
|
|
absl::StrCat("localhost:", rls_server_->port()));
|
|
|
|
route_lookup_config.set_cache_size_bytes(5000);
|
|
|
|
RouteLookupClusterSpecifier rls;
|
|
|
|
*rls.mutable_route_lookup_config() = std::move(route_lookup_config);
|
|
|
|
RouteConfiguration new_route_config = default_route_config_;
|
|
|
|
auto* plugin = new_route_config.add_cluster_specifier_plugins();
|
|
|
|
plugin->mutable_extension()->set_name(kRlsClusterSpecifierPluginInstanceName);
|
|
|
|
plugin->mutable_extension()->mutable_typed_config()->PackFrom(rls);
|
|
|
|
auto* default_route =
|
|
|
|
new_route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
default_route->mutable_route()->set_cluster_specifier_plugin(
|
|
|
|
kRlsClusterSpecifierPluginInstanceName);
|
|
|
|
SetRouteConfiguration(balancer_.get(), new_route_config);
|
|
|
|
auto rpc_options = RpcOptions().set_metadata({{kRlsTestKey1, kRlsTestValue}});
|
|
|
|
WaitForAllBackends(DEBUG_LOCATION, 1, 2, /*check_status=*/nullptr,
|
|
|
|
WaitForBackendOptions(), rpc_options);
|
|
|
|
CheckRpcSendOk(DEBUG_LOCATION, kNumEchoRpcs, rpc_options);
|
|
|
|
// Make sure RPCs all go to the correct backend.
|
|
|
|
EXPECT_EQ(kNumEchoRpcs, backends_[1]->backend_service()->request_count());
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_P(RlsTest, XdsRoutingClusterSpecifierPluginDisabled) {
|
|
|
|
CreateAndStartBackends(1);
|
|
|
|
// Populate new EDS resources.
|
|
|
|
EdsResourceArgs args({{"locality0", CreateEndpointsForBackends()}});
|
|
|
|
balancer_->ads_service()->SetEdsResource(BuildEdsResource(args));
|
|
|
|
// Prepare the RLSLookupConfig and configure all the keys; change route
|
|
|
|
// configurations to use cluster specifier plugin.
|
|
|
|
RouteLookupConfig route_lookup_config;
|
|
|
|
auto* key_builder = route_lookup_config.add_grpc_keybuilders();
|
|
|
|
auto* name = key_builder->add_names();
|
|
|
|
name->set_service(kRlsServiceValue);
|
|
|
|
name->set_method(kRlsMethodValue);
|
|
|
|
auto* header = key_builder->add_headers();
|
|
|
|
header->set_key(kRlsTestKey);
|
|
|
|
header->add_names(kRlsTestKey1);
|
|
|
|
route_lookup_config.set_lookup_service(
|
|
|
|
absl::StrCat("localhost:", rls_server_->port()));
|
|
|
|
route_lookup_config.set_cache_size_bytes(5000);
|
|
|
|
RouteLookupClusterSpecifier rls;
|
|
|
|
*rls.mutable_route_lookup_config() = std::move(route_lookup_config);
|
|
|
|
RouteConfiguration new_route_config = default_route_config_;
|
|
|
|
auto* plugin = new_route_config.add_cluster_specifier_plugins();
|
|
|
|
plugin->mutable_extension()->set_name(kRlsClusterSpecifierPluginInstanceName);
|
|
|
|
plugin->mutable_extension()->mutable_typed_config()->PackFrom(rls);
|
|
|
|
auto* route = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0);
|
|
|
|
route->mutable_route()->set_cluster_specifier_plugin(
|
|
|
|
kRlsClusterSpecifierPluginInstanceName);
|
|
|
|
auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes();
|
|
|
|
default_route->mutable_match()->set_prefix("");
|
|
|
|
default_route->mutable_route()->set_cluster(kDefaultClusterName);
|
|
|
|
SetRouteConfiguration(balancer_.get(), new_route_config);
|
|
|
|
// Ensure we ignore the cluster specifier plugin and send traffic according to
|
|
|
|
// the default route.
|
|
|
|
auto rpc_options = RpcOptions().set_metadata({{kRlsTestKey1, kRlsTestValue}});
|
|
|
|
WaitForAllBackends(DEBUG_LOCATION, 0, 1, /*check_status=*/nullptr,
|
|
|
|
WaitForBackendOptions(), rpc_options);
|
|
|
|
}
|
|
|
|
|
|
|
|
} // namespace
|
|
|
|
} // namespace testing
|
|
|
|
} // namespace grpc
|
|
|
|
|
|
|
|
int main(int argc, char** argv) {
|
|
|
|
grpc::testing::TestEnvironment env(&argc, argv);
|
|
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
|
|
// Make the backup poller poll very frequently in order to pick up
|
|
|
|
// updates from all the subchannels's FDs.
|
|
|
|
grpc_core::ConfigVars::Overrides overrides;
|
|
|
|
overrides.client_channel_backup_poll_interval_ms = 1;
|
|
|
|
grpc_core::ConfigVars::SetOverrides(overrides);
|
|
|
|
#if TARGET_OS_IPHONE
|
|
|
|
// Workaround Apple CFStream bug
|
|
|
|
grpc_core::SetEnv("grpc_cfstream", "0");
|
|
|
|
#endif
|
|
|
|
grpc_init();
|
|
|
|
const auto result = RUN_ALL_TESTS();
|
|
|
|
grpc_shutdown();
|
|
|
|
return result;
|
|
|
|
}
|