package metrics import ( "context" "fmt" "io" "net/http" "net/http/httptest" "regexp" "strconv" "testing" "time" "github.com/stretchr/testify/require" ptypes "github.com/traefik/paerser/types" "github.com/traefik/traefik/v2/pkg/types" ) func TestInfluxDB2(t *testing.T) { c := make(chan *string) ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { body, err := io.ReadAll(r.Body) require.NoError(t, err) bodyStr := string(body) c <- &bodyStr _, _ = fmt.Fprintln(w, "ok") })) defer ts.Close() influxDB2Registry := RegisterInfluxDB2(context.Background(), &types.InfluxDB2{ Address: ts.URL, Token: "test-token", PushInterval: ptypes.Duration(10 * time.Millisecond), Org: "test-org", Bucket: "test-bucket", AddEntryPointsLabels: true, AddRoutersLabels: true, AddServicesLabels: true, }) defer StopInfluxDB2() if !influxDB2Registry.IsEpEnabled() || !influxDB2Registry.IsRouterEnabled() || !influxDB2Registry.IsSvcEnabled() { t.Fatalf("InfluxDB2Registry should return true for IsEnabled(), IsRouterEnabled() and IsSvcEnabled()") } expectedServer := []string{ `(traefik\.config\.reload\.total count=1) [\d]{19}`, `(traefik\.config\.reload\.total\.failure count=1) [\d]{19}`, `(traefik\.config\.reload\.lastSuccessTimestamp value=1) [\d]{19}`, `(traefik\.config\.reload\.lastFailureTimestamp value=1) [\d]{19}`, } influxDB2Registry.ConfigReloadsCounter().Add(1) influxDB2Registry.ConfigReloadsFailureCounter().Add(1) influxDB2Registry.LastConfigReloadSuccessGauge().Set(1) influxDB2Registry.LastConfigReloadFailureGauge().Set(1) msgServer := <-c assertMessage(t, *msgServer, expectedServer) expectedTLS := []string{ `(traefik\.tls\.certs\.notAfterTimestamp,key=value value=1) [\d]{19}`, } influxDB2Registry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1) msgTLS := <-c assertMessage(t, *msgTLS, expectedTLS) expectedEntrypoint := []string{ `(traefik\.entrypoint\.requests\.total,code=200,entrypoint=test,method=GET count=1) [\d]{19}`, `(traefik\.entrypoint\.requests\.tls\.total,entrypoint=test,tls_cipher=bar,tls_version=foo count=1) [\d]{19}`, `(traefik\.entrypoint\.request\.duration(?:,code=[\d]{3})?,entrypoint=test p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`, `(traefik\.entrypoint\.connections\.open,entrypoint=test value=1) [\d]{19}`, `(traefik\.entrypoint\.requests\.bytes\.total,code=200,entrypoint=test,method=GET count=1) [\d]{19}`, `(traefik\.entrypoint\.responses\.bytes\.total,code=200,entrypoint=test,method=GET count=1) [\d]{19}`, } influxDB2Registry.EntryPointReqsCounter().With("entrypoint", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) influxDB2Registry.EntryPointReqsTLSCounter().With("entrypoint", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1) influxDB2Registry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000) influxDB2Registry.EntryPointOpenConnsGauge().With("entrypoint", "test").Set(1) influxDB2Registry.EntryPointReqsBytesCounter().With("entrypoint", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) influxDB2Registry.EntryPointRespsBytesCounter().With("entrypoint", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) msgEntrypoint := <-c assertMessage(t, *msgEntrypoint, expectedEntrypoint) expectedRouter := []string{ `(traefik\.router\.requests\.total,code=200,method=GET,router=demo,service=test count=1) [\d]{19}`, `(traefik\.router\.requests\.total,code=404,method=GET,router=demo,service=test count=1) [\d]{19}`, `(traefik\.router\.requests\.tls\.total,router=demo,service=test,tls_cipher=bar,tls_version=foo count=1) [\d]{19}`, `(traefik\.router\.request\.duration,code=200,router=demo,service=test p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`, `(traefik\.router\.connections\.open,router=demo,service=test value=1) [\d]{19}`, `(traefik\.router\.requests\.bytes\.total,code=200,method=GET,router=demo,service=test count=1) [\d]{19}`, `(traefik\.router\.responses\.bytes\.total,code=200,method=GET,router=demo,service=test count=1) [\d]{19}`, } influxDB2Registry.RouterReqsCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1) influxDB2Registry.RouterReqsCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) influxDB2Registry.RouterReqsTLSCounter().With("router", "demo", "service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1) influxDB2Registry.RouterReqDurationHistogram().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000) influxDB2Registry.RouterOpenConnsGauge().With("router", "demo", "service", "test").Set(1) influxDB2Registry.RouterReqsBytesCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) influxDB2Registry.RouterRespsBytesCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) msgRouter := <-c assertMessage(t, *msgRouter, expectedRouter) expectedService := []string{ `(traefik\.service\.requests\.total,code=200,method=GET,service=test count=1) [\d]{19}`, `(traefik\.service\.requests\.total,code=404,method=GET,service=test count=1) [\d]{19}`, `(traefik\.service\.requests\.tls\.total,service=test,tls_cipher=bar,tls_version=foo count=1) [\d]{19}`, `(traefik\.service\.request\.duration,code=200,service=test p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`, `(traefik\.service\.server\.up,service=test,url=http://127.0.0.1 value=1) [\d]{19}`, `(traefik\.service\.requests\.bytes\.total,code=200,method=GET,service=test count=1) [\d]{19}`, `(traefik\.service\.responses\.bytes\.total,code=200,method=GET,service=test count=1) [\d]{19}`, } influxDB2Registry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) influxDB2Registry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1) influxDB2Registry.ServiceReqsTLSCounter().With("service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1) influxDB2Registry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000) influxDB2Registry.ServiceServerUpGauge().With("service", "test", "url", "http://127.0.0.1").Set(1) influxDB2Registry.ServiceReqsBytesCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) influxDB2Registry.ServiceRespsBytesCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1) msgService := <-c assertMessage(t, *msgService, expectedService) expectedServiceRetries := []string{ `(traefik\.service\.retries\.total,service=test count=2) [\d]{19}`, `(traefik\.service\.retries\.total,service=foobar count=1) [\d]{19}`, } influxDB2Registry.ServiceRetriesCounter().With("service", "test").Add(1) influxDB2Registry.ServiceRetriesCounter().With("service", "test").Add(1) influxDB2Registry.ServiceRetriesCounter().With("service", "foobar").Add(1) msgServiceRetries := <-c assertMessage(t, *msgServiceRetries, expectedServiceRetries) expectedServiceOpenConns := []string{ `(traefik\.service\.connections\.open,service=test value=2) [\d]{19}`, `(traefik\.service\.connections\.open,service=foobar value=1) [\d]{19}`, } influxDB2Registry.ServiceOpenConnsGauge().With("service", "test").Add(1) influxDB2Registry.ServiceOpenConnsGauge().With("service", "test").Add(1) influxDB2Registry.ServiceOpenConnsGauge().With("service", "foobar").Add(1) msgServiceOpenConns := <-c assertMessage(t, *msgServiceOpenConns, expectedServiceOpenConns) } func assertMessage(t *testing.T, msg string, patterns []string) { t.Helper() for _, pattern := range patterns { re := regexp.MustCompile(pattern) match := re.FindStringSubmatch(msg) if len(match) != 2 { t.Errorf("Got %q %v, want %q", msg, match, pattern) } } }