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Make MaxCallRecvMsgSize and MaxCallSendMsgSize configurable
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| package lockproxy_test | ||
|
|
||
| import ( | ||
| "net" | ||
| "strings" | ||
| "time" | ||
|
|
||
| . "github.com/onsi/ginkgo" | ||
| . "github.com/onsi/gomega" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/health/grpc_health_v1" | ||
|
|
||
| . "github.com/bancek/lockproxy/pkg/lockproxy" | ||
| ) | ||
|
|
||
| var _ = Describe("ProxyDirector", func() { | ||
| createHealthServer := func() (string, *healthServiceMock, func()) { | ||
| healthListener, err := net.Listen("tcp", "127.0.0.1:0") | ||
| Expect(err).NotTo(HaveOccurred()) | ||
|
|
||
| healthAddr := healthListener.Addr().String() | ||
|
|
||
| healthService := new(healthServiceMock) | ||
| healthService.On("Check").Return(&grpc_health_v1.HealthCheckResponse{ | ||
| Status: grpc_health_v1.HealthCheckResponse_SERVING, | ||
| }, nil) | ||
| healthServer := NewHealthServer(healthService) | ||
| go healthServer.Serve(healthListener) | ||
|
|
||
| return healthAddr, healthService, func() { | ||
| healthServer.Stop() | ||
| healthListener.Close() | ||
| } | ||
| } | ||
|
|
||
| createDirector := func( | ||
| upstreamAddrProvider UpstreamAddrProvider, | ||
| healthAddr string, | ||
| grpcMaxCallRecvMsgSize int, | ||
| grpcMaxCallSendMsgSize int, | ||
| abortTimeout time.Duration, | ||
| ) (grpc_health_v1.HealthClient, func()) { | ||
| grpcDialTransportSecurity := grpc.WithInsecure() | ||
|
|
||
| proxyListener, err := net.Listen("tcp", "127.0.0.1:0") | ||
| Expect(err).NotTo(HaveOccurred()) | ||
|
|
||
| proxyAddr := proxyListener.Addr().String() | ||
|
|
||
| proxyDirector := NewProxyDirector( | ||
| TestCtx, | ||
| upstreamAddrProvider, | ||
| healthAddr, | ||
| grpcDialTransportSecurity, | ||
| grpcMaxCallRecvMsgSize, | ||
| grpcMaxCallSendMsgSize, | ||
| abortTimeout, | ||
| Logger, | ||
| ) | ||
| proxyServer := NewProxyServer(proxyDirector) | ||
| go proxyServer.Serve(proxyListener) | ||
|
|
||
| conn, err := grpc.DialContext(TestCtx, proxyAddr, grpc.WithInsecure()) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
|
|
||
| healthClient := grpc_health_v1.NewHealthClient(conn) | ||
|
|
||
| return healthClient, func() { | ||
| conn.Close() | ||
| proxyServer.Stop() | ||
| proxyListener.Close() | ||
| } | ||
| } | ||
|
|
||
| It("should proxy health to upstream if leader", func() { | ||
| healthAddr1, healthServiceMock1, healthStop1 := createHealthServer() | ||
| defer healthStop1() | ||
| healthAddr2, healthServiceMock2, healthStop2 := createHealthServer() | ||
| defer healthStop2() | ||
| upstreamAddrProvider := func() (addr string, isLeader bool) { | ||
| return healthAddr1, true | ||
| } | ||
| healthClient, stop := createDirector( | ||
| upstreamAddrProvider, | ||
| healthAddr2, | ||
| 4*1024*1024, | ||
| 4*1024*1024, | ||
| 10*time.Second, | ||
| ) | ||
| defer stop() | ||
|
|
||
| resp, err := healthClient.Check(TestCtx, &grpc_health_v1.HealthCheckRequest{}) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| Expect(resp.Status).To(Equal(grpc_health_v1.HealthCheckResponse_SERVING)) | ||
|
|
||
| healthServiceMock1.AssertCalled(GinkgoT(), "Check") | ||
| healthServiceMock2.AssertNumberOfCalls(GinkgoT(), "Check", 0) | ||
| }) | ||
|
|
||
| It("should proxy health to local server if not leader", func() { | ||
| healthAddr1, healthServiceMock1, healthStop1 := createHealthServer() | ||
| defer healthStop1() | ||
| healthAddr2, healthServiceMock2, healthStop2 := createHealthServer() | ||
| defer healthStop2() | ||
| upstreamAddrProvider := func() (addr string, isLeader bool) { | ||
| return healthAddr1, false | ||
| } | ||
| healthClient, stop := createDirector( | ||
| upstreamAddrProvider, | ||
| healthAddr2, | ||
| 4*1024*1024, | ||
| 4*1024*1024, | ||
| 10*time.Second, | ||
| ) | ||
| defer stop() | ||
|
|
||
| resp, err := healthClient.Check(TestCtx, &grpc_health_v1.HealthCheckRequest{}) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| Expect(resp.Status).To(Equal(grpc_health_v1.HealthCheckResponse_SERVING)) | ||
|
|
||
| healthServiceMock1.AssertNumberOfCalls(GinkgoT(), "Check", 0) | ||
| healthServiceMock2.AssertCalled(GinkgoT(), "Check") | ||
| }) | ||
|
|
||
| It("should fail if response is larger than grpcMaxCallRecvMsgSize", func() { | ||
| healthAddr, healthServiceMock, healthStop := createHealthServer() | ||
| defer healthStop() | ||
| upstreamAddrProvider := func() (addr string, isLeader bool) { | ||
| return healthAddr, true | ||
| } | ||
| healthClient, stop := createDirector( | ||
| upstreamAddrProvider, | ||
| healthAddr, | ||
| 1, | ||
| 4*1024*1024, | ||
| 10*time.Second, | ||
| ) | ||
| defer stop() | ||
|
|
||
| _, err := healthClient.Check(TestCtx, &grpc_health_v1.HealthCheckRequest{}) | ||
| Expect(err).To(HaveOccurred()) | ||
| Expect(err.Error()).To(ContainSubstring("received message larger than max")) | ||
|
|
||
| healthServiceMock.AssertNumberOfCalls(GinkgoT(), "Check", 1) | ||
| }) | ||
|
|
||
| It("should fail if request is larger than grpcMaxCallSendMsgSize", func() { | ||
| healthAddr, healthServiceMock, healthStop := createHealthServer() | ||
| defer healthStop() | ||
| upstreamAddrProvider := func() (addr string, isLeader bool) { | ||
| return healthAddr, true | ||
| } | ||
| healthClient, stop := createDirector( | ||
| upstreamAddrProvider, | ||
| healthAddr, | ||
| 4*1024*1024, | ||
| 1, | ||
| 10*time.Second, | ||
| ) | ||
| defer stop() | ||
|
|
||
| _, err := healthClient.Check(TestCtx, &grpc_health_v1.HealthCheckRequest{ | ||
| Service: strings.Repeat("a", 1*1024*1024), | ||
| }) | ||
| Expect(err).To(HaveOccurred()) | ||
| Expect(err.Error()).To(ContainSubstring("trying to send message larger than max")) | ||
|
|
||
| healthServiceMock.AssertNumberOfCalls(GinkgoT(), "Check", 0) | ||
| }) | ||
| }) |