package metrics import ( "context" "net/http" "strconv" "testing" "time" "github.com/stvp/go-udp-testing" ptypes "github.com/traefik/paerser/types" "github.com/traefik/traefik/v2/pkg/types" ) func TestStatsD(t *testing.T) { t.Cleanup(func() { StopStatsd() }) 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 statsdRegistry := RegisterStatsd(context.Background(), &types.Statsd{Address: ":18125", PushInterval: ptypes.Duration(time.Second), AddEntryPointsLabels: true, AddRoutersLabels: true, AddServicesLabels: true}) testRegistry(t, defaultMetricsPrefix, statsdRegistry) } func TestStatsDWithPrefix(t *testing.T) { t.Cleanup(func() { StopStatsd() }) 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 statsdRegistry := RegisterStatsd(context.Background(), &types.Statsd{Address: ":18125", PushInterval: ptypes.Duration(time.Second), AddEntryPointsLabels: true, AddRoutersLabels: true, AddServicesLabels: true, Prefix: "testPrefix"}) testRegistry(t, "testPrefix", statsdRegistry) } func testRegistry(t *testing.T, metricsPrefix string, registry Registry) { t.Helper() if !registry.IsEpEnabled() || !registry.IsRouterEnabled() || !registry.IsSvcEnabled() { t.Errorf("Statsd registry should return true for IsEnabled(), IsRouterEnabled() and IsSvcEnabled()") } expected := []string{ metricsPrefix + ".config.reload.total:1.000000|c\n", metricsPrefix + ".config.reload.total.failure:1.000000|c\n", metricsPrefix + ".config.reload.lastSuccessTimestamp:1.000000|g\n", metricsPrefix + ".config.reload.lastFailureTimestamp:1.000000|g\n", metricsPrefix + ".tls.certs.notAfterTimestamp:1.000000|g\n", metricsPrefix + ".entrypoint.request.total:1.000000|c\n", metricsPrefix + ".entrypoint.request.tls.total:1.000000|c\n", metricsPrefix + ".entrypoint.request.duration:10000.000000|ms", metricsPrefix + ".entrypoint.connections.open:1.000000|g\n", metricsPrefix + ".router.request.total:2.000000|c\n", metricsPrefix + ".router.request.tls.total:1.000000|c\n", metricsPrefix + ".router.request.duration:10000.000000|ms", metricsPrefix + ".router.connections.open:1.000000|g\n", metricsPrefix + ".service.request.total:2.000000|c\n", metricsPrefix + ".service.request.tls.total:1.000000|c\n", metricsPrefix + ".service.request.duration:10000.000000|ms", metricsPrefix + ".service.connections.open:1.000000|g\n", metricsPrefix + ".service.retries.total:2.000000|c\n", metricsPrefix + ".service.server.up:1.000000|g\n", } udp.ShouldReceiveAll(t, expected, func() { registry.ConfigReloadsCounter().Add(1) registry.ConfigReloadsFailureCounter().Add(1) registry.LastConfigReloadSuccessGauge().Set(1) registry.LastConfigReloadFailureGauge().Set(1) registry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1) registry.EntryPointReqsCounter().With("entrypoint", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) registry.EntryPointReqsTLSCounter().With("entrypoint", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1) registry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000) registry.EntryPointOpenConnsGauge().With("entrypoint", "test").Set(1) registry.RouterReqsCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1) registry.RouterReqsCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) registry.RouterReqsTLSCounter().With("router", "demo", "service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1) registry.RouterReqDurationHistogram().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000) registry.RouterOpenConnsGauge().With("router", "demo", "service", "test").Set(1) registry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) registry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1) registry.ServiceReqsTLSCounter().With("service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1) registry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000) registry.ServiceOpenConnsGauge().With("service", "test").Set(1) registry.ServiceRetriesCounter().With("service", "test").Add(1) registry.ServiceRetriesCounter().With("service", "test").Add(1) registry.ServiceServerUpGauge().With("service:test", "url", "http://127.0.0.1").Set(1) }) }