mirror of https://github.com/grpc/grpc-go.git
104 lines
3.6 KiB
Go
104 lines
3.6 KiB
Go
/*
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*
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* Copyright 2022 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 e2e
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import (
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"encoding/json"
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"path"
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"testing"
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"github.com/google/uuid"
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"google.golang.org/grpc/internal"
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xdsinternal "google.golang.org/grpc/internal/xds"
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"google.golang.org/grpc/resolver"
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)
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// SetupManagementServer performs the following:
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// - spin up an xDS management server on a local port
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// - set up certificates for consumption by the file_watcher plugin
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// - creates a bootstrap file in a temporary location
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// - creates an xDS resolver using the above bootstrap contents
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//
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// Returns the following:
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// - management server
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// - nodeID to be used by the client when connecting to the management server
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// - bootstrap contents to be used by the client
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// - xDS resolver builder to be used by the client
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// - a cleanup function to be invoked at the end of the test
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func SetupManagementServer(t *testing.T, opts *ManagementServerOptions) (*ManagementServer, string, []byte, resolver.Builder, func()) {
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t.Helper()
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// Spin up an xDS management server on a local port.
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server, err := StartManagementServer(opts)
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if err != nil {
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t.Fatalf("Failed to spin up the xDS management server: %v", err)
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}
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defer func() {
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if err != nil {
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server.Stop()
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}
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}()
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// Create a directory to hold certs and key files used on the server side.
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serverDir, err := createTmpDirWithFiles("testServerSideXDS*", "x509/server1_cert.pem", "x509/server1_key.pem", "x509/client_ca_cert.pem")
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if err != nil {
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server.Stop()
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t.Fatal(err)
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}
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// Create a directory to hold certs and key files used on the client side.
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clientDir, err := createTmpDirWithFiles("testClientSideXDS*", "x509/client1_cert.pem", "x509/client1_key.pem", "x509/server_ca_cert.pem")
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if err != nil {
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server.Stop()
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t.Fatal(err)
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}
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// Create certificate providers section of the bootstrap config with entries
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// for both the client and server sides.
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cpc := map[string]json.RawMessage{
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ServerSideCertProviderInstance: DefaultFileWatcherConfig(path.Join(serverDir, certFile), path.Join(serverDir, keyFile), path.Join(serverDir, rootFile)),
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ClientSideCertProviderInstance: DefaultFileWatcherConfig(path.Join(clientDir, certFile), path.Join(clientDir, keyFile), path.Join(clientDir, rootFile)),
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}
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// Create a bootstrap file in a temporary directory.
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nodeID := uuid.New().String()
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bootstrapContents, err := xdsinternal.BootstrapContents(xdsinternal.BootstrapOptions{
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Version: xdsinternal.TransportV3,
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NodeID: nodeID,
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ServerURI: server.Address,
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CertificateProviders: cpc,
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ServerListenerResourceNameTemplate: ServerListenerResourceNameTemplate,
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})
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if err != nil {
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server.Stop()
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t.Fatalf("Failed to create bootstrap file: %v", err)
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}
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var rb resolver.Builder
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if newResolver := internal.NewXDSResolverWithConfigForTesting; newResolver != nil {
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rb, err = newResolver.(func([]byte) (resolver.Builder, error))(bootstrapContents)
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if err != nil {
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server.Stop()
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t.Fatalf("Failed to create xDS resolver for testing: %v", err)
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}
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}
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return server, nodeID, bootstrapContents, rb, func() { server.Stop() }
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}
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