mirror of https://github.com/grpc/grpc-node.git
222 lines
10 KiB
TypeScript
222 lines
10 KiB
TypeScript
/*
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* Copyright 2023 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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import { Backend, createBackends } from "./backend";
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import { XdsTestClient } from "./client";
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import { FakeEdsCluster, FakeRouteGroup, FakeServerRoute } from "./framework";
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import { ControlPlaneServer } from "./xds-server";
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import assert = require("assert");
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/* Test cases in this file are derived from examples in the xDS federation proposal
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* https://github.com/grpc/proposal/blob/master/A47-xds-federation.md */
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describe('Federation', () => {
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let xdsServers: ControlPlaneServer[] = [];
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let xdsClient: XdsTestClient;
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afterEach(() => {
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xdsClient?.close();
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for (const server of xdsServers) {
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server.shutdownServer();
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}
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xdsServers = [];
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});
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describe('Bootstrap Config Contains No New Fields', () => {
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let bootstrap: string;
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beforeEach((done) => {
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const xdsServer = new ControlPlaneServer();
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xdsServers.push(xdsServer);
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xdsServer.startServer(async error => {
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if (error) {
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done(error);
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return;
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}
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const [backend] = await createBackends(1);
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const serverRoute = new FakeServerRoute(backend.getPort(), 'serverRoute');
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xdsServer.setRdsResource(serverRoute.getRouteConfiguration());
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xdsServer.setLdsResource(serverRoute.getListener());
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const cluster = new FakeEdsCluster('cluster1', 'endpoint1', [{backends: [backend], locality:{region: 'region1'}}]);
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const routeGroup = new FakeRouteGroup('server.example.com', 'route1', [{cluster: cluster}]);
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xdsServer.setEdsResource(cluster.getEndpointConfig());
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xdsServer.setCdsResource(cluster.getClusterConfig());
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xdsServer.setRdsResource(routeGroup.getRouteConfiguration());
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xdsServer.setLdsResource(routeGroup.getListener());
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await routeGroup.startAllBackends(xdsServer);
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const bootstrapInfo = {
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xds_servers: [xdsServer.getBootstrapServerConfig()],
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node: {
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id: 'test',
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locality: {}
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}
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};
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bootstrap = JSON.stringify(bootstrapInfo);
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done();
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});
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});
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it('Should accept an old-style name', (done) => {
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xdsClient = new XdsTestClient('xds:server.example.com', bootstrap);
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// There is only one server, so a successful request must go to that server
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xdsClient.sendOneCall(done);
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});
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it('Should reject a new-style name', (done) => {
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xdsClient = new XdsTestClient('xds://xds.authority.com/server.example.com', bootstrap);
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xdsClient.sendOneCall(error => {
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assert(error);
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done();
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});
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});
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});
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describe('New-Style Names on gRPC Client', () => {
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let bootstrap: string;
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beforeEach((done) => {
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const xdsServer = new ControlPlaneServer();
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xdsServers.push(xdsServer);
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xdsServer.startServer(async error => {
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if (error) {
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done(error);
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return;
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}
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const [backend] = await createBackends(1);
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const serverRoute = new FakeServerRoute(backend.getPort(), 'serverRoute');
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xdsServer.setRdsResource(serverRoute.getRouteConfiguration());
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xdsServer.setLdsResource(serverRoute.getListener());
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const cluster = new FakeEdsCluster('xdstp://xds.authority.com/envoy.config.cluster.v3.Cluster/cluster1', 'xdstp://xds.authority.com/envoy.config.endpoint.v3.ClusterLoadAssignment/endpoint1', [{backends: [backend], locality:{region: 'region1'}}]);
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const routeGroup = new FakeRouteGroup('xdstp://xds.authority.com/envoy.config.listener.v3.Listener/server.example.com', 'xdstp://xds.authority.com/envoy.config.route.v3.RouteConfiguration/route1', [{cluster: cluster}]);
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xdsServer.setEdsResource(cluster.getEndpointConfig());
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xdsServer.setCdsResource(cluster.getClusterConfig());
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xdsServer.setRdsResource(routeGroup.getRouteConfiguration());
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xdsServer.setLdsResource(routeGroup.getListener());
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await routeGroup.startAllBackends(xdsServer);
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const bootstrapInfo = {
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xds_servers: [xdsServer.getBootstrapServerConfig()],
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node: {
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id: 'test',
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locality: {}
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},
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"client_default_listener_resource_name_template": "xdstp://xds.authority.com/envoy.config.listener.v3.Listener/%s",
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"authorities": {
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"xds.authority.com": {
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}
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}
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};
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bootstrap = JSON.stringify(bootstrapInfo);
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done();
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});
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});
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it('Should accept a target with no authority', (done) => {
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xdsClient = new XdsTestClient('xds:server.example.com', bootstrap);
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// There is only one server, so a successful request must go to that server
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xdsClient.sendOneCall(done);
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});
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it('Should accept a target with a listed authority', (done) => {
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xdsClient = new XdsTestClient('xds://xds.authority.com/server.example.com', bootstrap);
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// There is only one server, so a successful request must go to that server
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xdsClient.sendOneCall(done);
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});
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});
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describe('Multiple authorities', () => {
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let bootstrap: string;
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let defaultRouteGroup: FakeRouteGroup;
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let otherRouteGroup: FakeRouteGroup;
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beforeEach((done) => {
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const defaultServer = new ControlPlaneServer();
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xdsServers.push(defaultServer);
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const otherServer = new ControlPlaneServer();
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xdsServers.push(otherServer);
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defaultServer.startServer(error => {
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if (error) {
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done(error);
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return;
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}
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otherServer.startServer(async error => {
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if (error) {
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done(error);
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return;
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}
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const [defaultBackend, otherBackend] = await createBackends(2);
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const defaultServerRoute = new FakeServerRoute(defaultBackend.getPort(), 'serverRoute');
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defaultServer.setRdsResource(defaultServerRoute.getRouteConfiguration());
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defaultServer.setLdsResource(defaultServerRoute.getListener());
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const otherServerRoute = new FakeServerRoute(otherBackend.getPort(), 'serverRoute');
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otherServer.setRdsResource(otherServerRoute.getRouteConfiguration());
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otherServer.setLdsResource(otherServerRoute.getListener());
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const defaultCluster = new FakeEdsCluster('xdstp://xds.authority.com/envoy.config.cluster.v3.Cluster/cluster1', 'xdstp://xds.authority.com/envoy.config.endpoint.v3.ClusterLoadAssignment/endpoint1', [{backends: [defaultBackend], locality:{region: 'region1'}}]);
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defaultRouteGroup = new FakeRouteGroup('xdstp://xds.authority.com/envoy.config.listener.v3.Listener/grpc/client/server.example.com?project_id=1234', 'xdstp://xds.authority.com/envoy.config.route.v3.RouteConfiguration/route1', [{cluster: defaultCluster}]);
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const otherCluster = new FakeEdsCluster('xdstp://xds.other.com/envoy.config.cluster.v3.Cluster/cluster2', 'xdstp://xds.other.com/envoy.config.endpoint.v3.ClusterLoadAssignment/endpoint2', [{backends: [otherBackend], locality:{region: 'region2'}}]);
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otherRouteGroup = new FakeRouteGroup('xdstp://xds.other.com/envoy.config.listener.v3.Listener/server.other.com', 'xdstp://xds.other.com/envoy.config.route.v3.RouteConfiguration/route2', [{cluster: otherCluster}]);
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defaultServer.setEdsResource(defaultCluster.getEndpointConfig());
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defaultServer.setCdsResource(defaultCluster.getClusterConfig());
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defaultServer.setRdsResource(defaultRouteGroup.getRouteConfiguration());
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defaultServer.setLdsResource(defaultRouteGroup.getListener());
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otherServer.setEdsResource(otherCluster.getEndpointConfig());
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otherServer.setCdsResource(otherCluster.getClusterConfig());
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otherServer.setRdsResource(otherRouteGroup.getRouteConfiguration());
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otherServer.setLdsResource(otherRouteGroup.getListener());
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await Promise.all([defaultRouteGroup.startAllBackends(defaultServer), otherRouteGroup.startAllBackends(otherServer)]);
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const bootstrapInfo = {
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xds_servers: [defaultServer.getBootstrapServerConfig()],
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node: {
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id: 'test',
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locality: {}
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},
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// Resource name template for xds: target URIs with no authority.
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"client_default_listener_resource_name_template": "xdstp://xds.authority.com/envoy.config.listener.v3.Listener/grpc/client/%s?project_id=1234",
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// Resource name template for xDS-enabled gRPC servers.
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"server_listener_resource_name_template": "xdstp://xds.authority.com/envoy.config.listener.v3.Listener/grpc/server/%s?project_id=1234",
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// Authorities map.
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"authorities": {
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"xds.authority.com": {
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"client_listener_resource_name_template": "xdstp://xds.authority.com/envoy.config.listener.v3.Listener/grpc/client/%s?project_id=1234"
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},
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"xds.other.com": {
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"xds_servers": [otherServer.getBootstrapServerConfig()]
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}
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}
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};
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bootstrap = JSON.stringify(bootstrapInfo);
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done();
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});
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});
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});
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it('Should accept a name with no authority', (done) => {
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xdsClient = new XdsTestClient('xds:server.example.com', bootstrap);
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xdsClient.sendOneCall(error => {
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assert.ifError(error);
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assert(defaultRouteGroup.haveAllBackendsReceivedTraffic());
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done();
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});
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});
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it('Should accept a with an authority that has no server configured', (done) => {
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xdsClient = new XdsTestClient('xds://xds.authority.com/server.example.com', bootstrap);
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xdsClient.sendOneCall(error => {
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assert.ifError(error);
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assert(defaultRouteGroup.haveAllBackendsReceivedTraffic());
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done();
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});
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});
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it('Should accept a name with an authority that has no template configured', (done) => {
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xdsClient = new XdsTestClient('xds://xds.other.com/server.other.com', bootstrap);
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xdsClient.sendOneCall(error => {
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assert.ifError(error);
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assert(otherRouteGroup.haveAllBackendsReceivedTraffic());
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done();
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});
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});
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});
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});
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