Function buildBasicRLSConfigWithChildPolicy

balancer/rls/helpers_test.go:147–163

buildBasicRLSConfigWithChildPolicy constructs a very basic service config for the RLS LB policy. It also registers a test LB policy which is capable of being a child of the RLS LB policy.

(t *testing.T, childPolicyName, rlsServerAddress string)

// the RLS LB policy. It also registers a test LB policy which is capable of
// being a child of the RLS LB policy.
func buildBasicRLSConfigWithChildPolicy(t *testing.T, childPolicyName, rlsServerAddress string) *e2e.RLSConfig {
	childPolicyName = "test-child-policy" + childPolicyName
	e2e.RegisterRLSChildPolicy(childPolicyName, nil)
	t.Logf("Registered child policy with name %q", childPolicyName)

	return &e2e.RLSConfig{
		RouteLookupConfig: &rlspb.RouteLookupConfig{
			GrpcKeybuilders:      []*rlspb.GrpcKeyBuilder{{Names: []*rlspb.GrpcKeyBuilder_Name{{Service: "grpc.testing.TestService"}}}},
			LookupService:        rlsServerAddress,
			LookupServiceTimeout: durationpb.New(defaultTestTimeout),
			CacheSizeBytes:       1024,
		},
		RouteLookupChannelServiceConfig:  `{"loadBalancingConfig": [{"pick_first": {}}]}`,
		ChildPolicy:                      &internalserviceconfig.BalancerConfig{Name: childPolicyName},
		ChildPolicyConfigTargetFieldName: e2e.RLSChildPolicyTargetNameField,
	}
}

// startBackend starts a backend implementing the TestService on a local port.
// It returns a channel for tests to get notified whenever an RPC is invoked on