mirror of https://github.com/grpc/grpc-go.git
113 lines
3.3 KiB
Go
113 lines
3.3 KiB
Go
// +build !386
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/*
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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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"net"
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"testing"
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"github.com/google/uuid"
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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/xds"
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"google.golang.org/grpc/xds/internal/testutils"
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"google.golang.org/grpc/xds/internal/testutils/e2e"
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testpb "google.golang.org/grpc/test/grpc_testing"
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)
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// clientSetup performs a bunch of steps common to all xDS client tests here:
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// - spin up an xDS management server on a local port
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// - spin up a gRPC server and register the test service on it
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// - create a local TCP listener and start serving on it
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//
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// Returns the following:
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// - the management server: tests use this to configure resources
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// - nodeID expected by the management server: this is set in the Node proto
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// sent by the xdsClient for queries.
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// - the port the server is listening on
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// - cleanup function to be invoked by the tests when done
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func clientSetup(t *testing.T) (*e2e.ManagementServer, string, uint32, func()) {
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// Spin up a xDS management server on a local port.
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nodeID := uuid.New().String()
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fs, err := e2e.StartManagementServer()
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if err != nil {
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t.Fatal(err)
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}
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// Create a bootstrap file in a temporary directory.
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bootstrapCleanup, err := xds.SetupBootstrapFile(xds.BootstrapOptions{
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Version: xds.TransportV3,
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NodeID: nodeID,
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ServerURI: fs.Address,
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})
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if err != nil {
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t.Fatal(err)
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}
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// Initialize a gRPC server and register the stubServer on it.
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server := grpc.NewServer()
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testpb.RegisterTestServiceServer(server, &testService{})
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// Create a local listener and pass it to Serve().
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lis, err := testutils.LocalTCPListener()
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if err != nil {
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t.Fatalf("testutils.LocalTCPListener() failed: %v", err)
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}
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go func() {
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if err := server.Serve(lis); err != nil {
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t.Errorf("Serve() failed: %v", err)
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}
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}()
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return fs, nodeID, uint32(lis.Addr().(*net.TCPAddr).Port), func() {
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fs.Stop()
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bootstrapCleanup()
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server.Stop()
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}
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}
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func (s) TestClientSideXDS(t *testing.T) {
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fs, nodeID, port, cleanup := clientSetup(t)
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defer cleanup()
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resources := e2e.DefaultClientResources("myservice", nodeID, "localhost", port)
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if err := fs.Update(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.Dial("xds:///myservice", grpc.WithTransportCredentials(insecure.NewCredentials()))
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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 := testpb.NewTestServiceClient(cc)
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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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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