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Enable gRPC reflection service on collector/query (#3526)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| // Copyright (c) 2022 The Jaeger Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package grpctest | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/credentials/insecure" | ||
| "google.golang.org/grpc/reflection/grpc_reflection_v1alpha" | ||
| ) | ||
|
|
||
| // ReflectionServiceValidator verifies that a gRPC service at a given address | ||
| // supports reflection service. Called must invoke Execute func. | ||
| type ReflectionServiceValidator struct { | ||
| Server *grpc.Server | ||
| HostPort string | ||
| ExpectedServices []string | ||
| } | ||
|
|
||
| // Execute performs validation. | ||
| func (v ReflectionServiceValidator) Execute(t *testing.T) { | ||
| conn, err := grpc.Dial( | ||
| v.HostPort, | ||
| grpc.WithTransportCredentials(insecure.NewCredentials())) | ||
| require.NoError(t, err) | ||
| defer conn.Close() | ||
|
|
||
| client := grpc_reflection_v1alpha.NewServerReflectionClient(conn) | ||
| r, err := client.ServerReflectionInfo(context.Background()) | ||
| require.NoError(t, err) | ||
| require.NotNil(t, r) | ||
|
|
||
| err = r.Send(&grpc_reflection_v1alpha.ServerReflectionRequest{ | ||
| MessageRequest: &grpc_reflection_v1alpha.ServerReflectionRequest_ListServices{}, | ||
| }) | ||
| require.NoError(t, err) | ||
| m, err := r.Recv() | ||
| require.NoError(t, err) | ||
| require.IsType(t, | ||
| new(grpc_reflection_v1alpha.ServerReflectionResponse_ListServicesResponse), | ||
| m.MessageResponse) | ||
|
|
||
| resp := m.MessageResponse.(*grpc_reflection_v1alpha.ServerReflectionResponse_ListServicesResponse) | ||
| for _, svc := range v.ExpectedServices { | ||
| var found string | ||
| for _, s := range resp.ListServicesResponse.Service { | ||
| if svc == s.Name { | ||
| found = s.Name | ||
| break | ||
| } | ||
| } | ||
| require.Equalf(t, svc, found, | ||
| "service not found, got '%+v'", | ||
| resp.ListServicesResponse.Service) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| // Copyright (c) 2022 The Jaeger Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package grpctest | ||
|
|
||
| import ( | ||
| "net" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/reflection" | ||
| ) | ||
|
|
||
| func TestReflectionServiceValidator(t *testing.T) { | ||
| server := grpc.NewServer() | ||
| reflection.Register(server) | ||
|
|
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| listener, err := net.Listen("tcp", ":0") | ||
| require.NoError(t, err) | ||
| defer listener.Close() | ||
|
|
||
| go func() { | ||
| err := server.Serve(listener) | ||
| require.NoError(t, err) | ||
| }() | ||
| defer server.Stop() | ||
|
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||
| ReflectionServiceValidator{ | ||
| HostPort: listener.Addr().String(), | ||
| Server: server, | ||
| ExpectedServices: []string{"grpc.reflection.v1alpha.ServerReflection"}, | ||
| }.Execute(t) | ||
| } |