mirror of https://github.com/grpc/grpc-go.git
129 lines
4.4 KiB
Go
129 lines
4.4 KiB
Go
/*
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*
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* Copyright 2021 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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package xds_test
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import (
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"context"
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"fmt"
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"testing"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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"google.golang.org/grpc/internal/stubserver"
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"google.golang.org/grpc/internal/testutils"
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"google.golang.org/grpc/internal/testutils/xds/e2e"
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"google.golang.org/grpc/internal/testutils/xds/e2e/setup"
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v3clusterpb "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3"
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v3corepb "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
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v3routepb "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
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testgrpc "google.golang.org/grpc/interop/grpc_testing"
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testpb "google.golang.org/grpc/interop/grpc_testing"
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)
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// hashRouteConfig returns a RouteConfig resource with hash policy set to
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// header "session_id".
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func hashRouteConfig(routeName, ldsTarget, clusterName string) *v3routepb.RouteConfiguration {
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return &v3routepb.RouteConfiguration{
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Name: routeName,
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VirtualHosts: []*v3routepb.VirtualHost{{
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Domains: []string{ldsTarget},
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Routes: []*v3routepb.Route{{
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Match: &v3routepb.RouteMatch{PathSpecifier: &v3routepb.RouteMatch_Prefix{Prefix: "/"}},
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Action: &v3routepb.Route_Route{Route: &v3routepb.RouteAction{
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ClusterSpecifier: &v3routepb.RouteAction_Cluster{Cluster: clusterName},
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HashPolicy: []*v3routepb.RouteAction_HashPolicy{{
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PolicySpecifier: &v3routepb.RouteAction_HashPolicy_Header_{
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Header: &v3routepb.RouteAction_HashPolicy_Header{
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HeaderName: "session_id",
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},
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},
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Terminal: true,
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}},
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}},
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}},
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}},
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}
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}
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// ringhashCluster returns a Cluster resource that picks ringhash as the lb
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// policy.
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func ringhashCluster(clusterName, edsServiceName string) *v3clusterpb.Cluster {
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return &v3clusterpb.Cluster{
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Name: clusterName,
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ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS},
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EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{
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EdsConfig: &v3corepb.ConfigSource{
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ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{
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Ads: &v3corepb.AggregatedConfigSource{},
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},
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},
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ServiceName: edsServiceName,
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},
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LbPolicy: v3clusterpb.Cluster_RING_HASH,
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}
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}
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// TestClientSideAffinitySanityCheck tests that the affinity config can be
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// propagated to pick the ring_hash policy. It doesn't test the affinity
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// behavior in ring_hash policy.
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func (s) TestClientSideAffinitySanityCheck(t *testing.T) {
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managementServer, nodeID, _, xdsResolver := setup.ManagementServerAndResolver(t)
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server := stubserver.StartTestService(t, nil)
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defer server.Stop()
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const serviceName = "my-service-client-side-xds"
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resources := e2e.DefaultClientResources(e2e.ResourceParams{
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DialTarget: serviceName,
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NodeID: nodeID,
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Host: "localhost",
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Port: testutils.ParsePort(t, server.Address),
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SecLevel: e2e.SecurityLevelNone,
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})
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// Replace RDS and CDS resources with ringhash config, but keep the resource
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// names.
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resources.Routes = []*v3routepb.RouteConfiguration{hashRouteConfig(
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resources.Routes[0].Name,
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resources.Listeners[0].Name,
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resources.Clusters[0].Name,
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)}
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resources.Clusters = []*v3clusterpb.Cluster{ringhashCluster(
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resources.Clusters[0].Name,
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resources.Clusters[0].EdsClusterConfig.ServiceName,
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)}
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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if err := managementServer.Update(ctx, resources); err != nil {
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t.Fatal(err)
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}
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// Create a ClientConn and make a successful RPC.
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cc, err := grpc.NewClient(fmt.Sprintf("xds:///%s", serviceName), grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithResolvers(xdsResolver))
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if err != nil {
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t.Fatalf("failed to dial local test server: %v", err)
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}
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defer cc.Close()
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client := testgrpc.NewTestServiceClient(cc)
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if _, err := client.EmptyCall(ctx, &testpb.Empty{}, grpc.WaitForReady(true)); err != nil {
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t.Fatalf("rpc EmptyCall() failed: %v", err)
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}
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}
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