package metrics import ( "context" "net/http" "strconv" "testing" "time" "github.com/containous/traefik/pkg/types" "github.com/stvp/go-udp-testing" ) func TestDatadog(t *testing.T) { udp.SetAddr(":18125") // This is needed to make sure that UDP Listener listens for data a bit longer, otherwise it will quit after a millisecond udp.Timeout = 5 * time.Second datadogRegistry := RegisterDatadog(context.Background(), &types.Datadog{Address: ":18125", PushInterval: types.Duration(time.Second)}) defer StopDatadog() if !datadogRegistry.IsEnabled() { t.Errorf("DatadogRegistry should return true for IsEnabled()") } expected := []string{ // We are only validating counts, as it is nearly impossible to validate latency, since it varies every run "traefik.backend.request.total:1.000000|c|#service:test,code:404,method:GET\n", "traefik.backend.request.total:1.000000|c|#service:test,code:200,method:GET\n", "traefik.backend.retries.total:2.000000|c|#service:test\n", "traefik.backend.request.duration:10000.000000|h|#service:test,code:200\n", "traefik.config.reload.total:1.000000|c\n", "traefik.config.reload.total:1.000000|c|#failure:true\n", "traefik.entrypoint.request.total:1.000000|c|#entrypoint:test\n", "traefik.entrypoint.request.duration:10000.000000|h|#entrypoint:test\n", "traefik.entrypoint.connections.open:1.000000|g|#entrypoint:test\n", "traefik.backend.server.up:1.000000|g|#backend:test,url:http://127.0.0.1,one:two\n", } udp.ShouldReceiveAll(t, expected, func() { datadogRegistry.BackendReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) datadogRegistry.BackendReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1) datadogRegistry.BackendReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000) datadogRegistry.BackendRetriesCounter().With("service", "test").Add(1) datadogRegistry.BackendRetriesCounter().With("service", "test").Add(1) datadogRegistry.ConfigReloadsCounter().Add(1) datadogRegistry.ConfigReloadsFailureCounter().Add(1) datadogRegistry.EntrypointReqsCounter().With("entrypoint", "test").Add(1) datadogRegistry.EntrypointReqDurationHistogram().With("entrypoint", "test").Observe(10000) datadogRegistry.EntrypointOpenConnsGauge().With("entrypoint", "test").Set(1) datadogRegistry.BackendServerUpGauge().With("backend", "test", "url", "http://127.0.0.1", "one", "two").Set(1) }) }