115 lines
3.3 KiB
Go
115 lines
3.3 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 test contains test only functions for package admin. It's used by
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// admin/admin_test.go and admin/test/admin_test.go.
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package 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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"time"
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v3statusgrpc "github.com/envoyproxy/go-control-plane/envoy/service/status/v3"
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v3statuspb "github.com/envoyproxy/go-control-plane/envoy/service/status/v3"
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"github.com/google/uuid"
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"google.golang.org/grpc"
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"google.golang.org/grpc/admin"
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channelzpb "google.golang.org/grpc/channelz/grpc_channelz_v1"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/internal/xds"
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"google.golang.org/grpc/status"
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)
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const (
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defaultTestTimeout = 10 * time.Second
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)
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// ExpectedStatusCodes contains the expected status code for each RPC (can be
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// OK).
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type ExpectedStatusCodes struct {
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ChannelzCode codes.Code
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CSDSCode codes.Code
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}
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// RunRegisterTests makes a client, runs the RPCs, and compares the status
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// codes.
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func RunRegisterTests(t *testing.T, ec ExpectedStatusCodes) {
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nodeID := uuid.New().String()
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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: "no.need.for.a.server",
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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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defer bootstrapCleanup()
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lis, err := net.Listen("tcp", "localhost:0")
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if err != nil {
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t.Fatalf("cannot create listener: %v", err)
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}
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server := grpc.NewServer()
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defer server.Stop()
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cleanup, err := admin.Register(server)
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if err != nil {
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t.Fatalf("failed to register admin: %v", err)
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}
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defer cleanup()
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go func() {
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server.Serve(lis)
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}()
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conn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
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if err != nil {
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t.Fatalf("cannot connect to server: %v", err)
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}
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t.Run("channelz", func(t *testing.T) {
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if err := RunChannelz(conn); status.Code(err) != ec.ChannelzCode {
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t.Fatalf("%s RPC failed with error %v, want code %v", "channelz", err, ec.ChannelzCode)
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}
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})
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t.Run("csds", func(t *testing.T) {
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if err := RunCSDS(conn); status.Code(err) != ec.CSDSCode {
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t.Fatalf("%s RPC failed with error %v, want code %v", "CSDS", err, ec.CSDSCode)
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}
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})
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}
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// RunChannelz makes a channelz RPC.
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func RunChannelz(conn *grpc.ClientConn) error {
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c := channelzpb.NewChannelzClient(conn)
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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_, err := c.GetTopChannels(ctx, &channelzpb.GetTopChannelsRequest{}, grpc.WaitForReady(true))
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return err
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}
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// RunCSDS makes a CSDS RPC.
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func RunCSDS(conn *grpc.ClientConn) error {
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c := v3statusgrpc.NewClientStatusDiscoveryServiceClient(conn)
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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_, err := c.FetchClientStatus(ctx, &v3statuspb.ClientStatusRequest{}, grpc.WaitForReady(true))
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return err
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}
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