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Fix querier panic when marshaling QueryResultRequest (issue: cortexpr…
…oject#6599) Signed-off-by: SungJin1212 <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| package worker | ||
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||
| import ( | ||
| "context" | ||
| "net" | ||
| "testing" | ||
| "time" | ||
|
|
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| "github.com/go-kit/log" | ||
| "github.com/stretchr/testify/mock" | ||
| "github.com/stretchr/testify/require" | ||
| "github.com/weaveworks/common/httpgrpc" | ||
| "go.uber.org/atomic" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/metadata" | ||
|
|
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| "github.com/cortexproject/cortex/pkg/frontend/v2/frontendv2pb" | ||
| "github.com/cortexproject/cortex/pkg/querier/stats" | ||
| "github.com/cortexproject/cortex/pkg/scheduler/schedulerpb" | ||
| ) | ||
|
|
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| // mock querier request handler | ||
| type mockRequestHandler struct { | ||
| mock.Mock | ||
| } | ||
|
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| func (m *mockRequestHandler) Handle(ctx context.Context, req *httpgrpc.HTTPRequest) (*httpgrpc.HTTPResponse, error) { | ||
| args := m.Called(ctx, req) | ||
| return args.Get(0).(*httpgrpc.HTTPResponse), args.Error(1) | ||
| } | ||
|
|
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| type mockFrontendForQuerierServer struct { | ||
| mock.Mock | ||
| } | ||
|
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| func (m *mockFrontendForQuerierServer) QueryResult(_ context.Context, _ *frontendv2pb.QueryResultRequest) (*frontendv2pb.QueryResultResponse, error) { | ||
| return &frontendv2pb.QueryResultResponse{}, nil | ||
| } | ||
|
|
||
| type mockSchedulerForQuerierClient struct { | ||
| mock.Mock | ||
| } | ||
|
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| func (m *mockSchedulerForQuerierClient) QuerierLoop(ctx context.Context, opts ...grpc.CallOption) (schedulerpb.SchedulerForQuerier_QuerierLoopClient, error) { | ||
| args := m.Called(ctx, opts) | ||
| return args.Get(0).(schedulerpb.SchedulerForQuerier_QuerierLoopClient), args.Error(1) | ||
| } | ||
|
|
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| func (m *mockSchedulerForQuerierClient) NotifyQuerierShutdown(ctx context.Context, in *schedulerpb.NotifyQuerierShutdownRequest, opts ...grpc.CallOption) (*schedulerpb.NotifyQuerierShutdownResponse, error) { | ||
| args := m.Called(ctx, in, opts) | ||
| return args.Get(0).(*schedulerpb.NotifyQuerierShutdownResponse), args.Error(1) | ||
| } | ||
|
|
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| // mock SchedulerForQuerier_QuerierLoopClient | ||
| type mockQuerierLoopClient struct { | ||
| ctx context.Context | ||
| mock.Mock | ||
| } | ||
|
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| func (m *mockQuerierLoopClient) Send(msg *schedulerpb.QuerierToScheduler) error { | ||
| args := m.Called(msg) | ||
| return args.Error(0) | ||
| } | ||
|
|
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| func (m *mockQuerierLoopClient) Recv() (*schedulerpb.SchedulerToQuerier, error) { | ||
| args := m.Called() | ||
|
|
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| if fn, ok := args.Get(0).(func() (*schedulerpb.SchedulerToQuerier, error)); ok { | ||
| return fn() | ||
| } | ||
|
|
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| return args.Get(0).(*schedulerpb.SchedulerToQuerier), args.Error(1) | ||
| } | ||
|
|
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| func (m *mockQuerierLoopClient) Header() (metadata.MD, error) { | ||
| args := m.Called() | ||
| return args.Get(0).(metadata.MD), args.Error(1) | ||
| } | ||
|
|
||
| func (m *mockQuerierLoopClient) Trailer() metadata.MD { | ||
| args := m.Called() | ||
| return args.Get(0).(metadata.MD) | ||
| } | ||
|
|
||
| func (m *mockQuerierLoopClient) CloseSend() error { | ||
| args := m.Called() | ||
| return args.Error(0) | ||
| } | ||
|
|
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| func (m *mockQuerierLoopClient) Context() context.Context { | ||
| args := m.Called() | ||
| return args.Get(0).(context.Context) | ||
| } | ||
|
|
||
| func (m *mockQuerierLoopClient) SendMsg(msg interface{}) error { | ||
| args := m.Called(msg) | ||
| return args.Error(0) | ||
| } | ||
|
|
||
| func (m *mockQuerierLoopClient) RecvMsg(msg interface{}) error { | ||
| args := m.Called(msg) | ||
| return args.Error(0) | ||
| } | ||
|
|
||
| // To show https://github.com/cortexproject/cortex/issues/6599 issue has been resolved | ||
| func Test_ToShowNotPanic_RelatedIssue6599(t *testing.T) { | ||
| cfg := Config{} | ||
| frontendAddress := ":50001" | ||
| userID := "user-1" | ||
| recvCount := 20000 | ||
|
|
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| ctx, cancel := context.WithTimeout(context.Background(), time.Second*3) | ||
| defer cancel() | ||
|
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| recvCall := atomic.Uint32{} | ||
|
|
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| // mocking query scheduler | ||
| querierLoopClient := &mockQuerierLoopClient{} | ||
| querierLoopClient.ctx = ctx | ||
| querierLoopClient.On("Send", mock.Anything).Return(nil) | ||
| querierLoopClient.On("Context").Return(querierLoopClient.ctx) | ||
| querierLoopClient.On("Recv").Return(func() (*schedulerpb.SchedulerToQuerier, error) { | ||
| recvCall.Add(1) | ||
| if recvCall.Load() <= uint32(recvCount) { | ||
| return &schedulerpb.SchedulerToQuerier{ | ||
| QueryID: 1, | ||
| HttpRequest: &httpgrpc.HTTPRequest{}, | ||
| FrontendAddress: frontendAddress, | ||
| UserID: userID, | ||
| StatsEnabled: true, | ||
| }, nil | ||
| } else { | ||
| <-querierLoopClient.ctx.Done() | ||
| return nil, context.Canceled | ||
| } | ||
|
|
||
| }) | ||
|
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| requestHandler := &mockRequestHandler{} | ||
| requestHandler.On("Handle", mock.Anything, mock.Anything).Run(func(args mock.Arguments) { | ||
| stat := stats.FromContext(args.Get(0).(context.Context)) | ||
|
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| // imitate add query-stat at fetchSeriesFromStores | ||
| go stat.AddFetchedChunkBytes(10) | ||
| }).Return(&httpgrpc.HTTPResponse{}, nil) | ||
|
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| sp, _ := newSchedulerProcessor(cfg, requestHandler, log.NewNopLogger(), nil) | ||
| schedulerClient := &mockSchedulerForQuerierClient{} | ||
| schedulerClient.On("QuerierLoop", mock.Anything, mock.Anything).Return(querierLoopClient, nil) | ||
|
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| sp.schedulerClientFactory = func(conn *grpc.ClientConn) schedulerpb.SchedulerForQuerierClient { | ||
| return schedulerClient | ||
| } | ||
|
|
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| // frontendForQuerierServer | ||
| grpcServer := grpc.NewServer() | ||
| server := &mockFrontendForQuerierServer{} | ||
| frontendv2pb.RegisterFrontendForQuerierServer(grpcServer, server) | ||
|
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||
| lis, err := net.Listen("tcp", frontendAddress) | ||
| require.NoError(t, err) | ||
| stopChan := make(chan struct{}) | ||
| go func() { | ||
| defer close(stopChan) | ||
| if err := grpcServer.Serve(lis); err != nil { | ||
| return | ||
| } | ||
| }() | ||
| defer func() { | ||
| grpcServer.GracefulStop() | ||
| <-stopChan // Wait util stop complete | ||
| }() | ||
|
|
||
| sp.processQueriesOnSingleStream(ctx, nil, lis.Addr().String()) | ||
| } |