feat: metrics (#1024)

* refactor: switch from opencensus to opentelemetry

* tempo works as designed nooooot

* fix: log traceids

* with grafana agent

* fix: http tracing

* fix: cleanup files

* chore: remove todo

* fix: bad test

* fix: ignore methods in grpc interceptors

* fix: remove test log

* clean up

* typo

* fix(config): configure tracing endpoint

* fix(span): add error id to span

* feat: metrics package

* feat: metrics package

* fix: counter

* fix: metric

* try metrics

* fix: coutner metrics

* fix: active sessin counter

* fix: active sessin counter

* fix: change current Sequence table

* fix: change current Sequence table

* fix: current sequences

* fix: spooler div metrics

* fix: console view

* fix: merge master

* fix: Last spool run on search result instead of eventtimestamp

* fix: go mod

* Update console/src/assets/i18n/de.json

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

* fix: pr review

* fix: map

* update oidc pkg

* fix: handlers

* fix: value observer

* fix: remove fmt

* fix: handlers

* fix: tests

* fix: handler minimum cycle duration 1s

* fix(spooler): handler channel buffer

* fix interceptors

Co-authored-by: adlerhurst <silvan.reusser@gmail.com>
Co-authored-by: Livio Amstutz <livio.a@gmail.com>

internal/api/http/middleware/metrics_interceptor.go

@@ -0,0 +1,19 @@
+package middleware
+
+import (
+	"github.com/caos/zitadel/internal/telemetry/metrics"
+	"net/http"
+
+	http_utils "github.com/caos/zitadel/internal/api/http"
+)
+
+func DefaultMetricsHandler(handler http.Handler) http.Handler {
+	metricTypes := []metrics.MetricType{metrics.MetricTypeTotalCount}
+	return MetricsHandler(metricTypes, http_utils.Probes...)(handler)
+}
+
+func MetricsHandler(metricTypes []metrics.MetricType, ignoredMethods ...string) func(http.Handler) http.Handler {
+	return func(handler http.Handler) http.Handler {
+		return metrics.NewMetricsHandler(handler, metricTypes, ignoredMethods...)
+	}
+}

internal/api/http/middleware/telemetry_interceptor.go

@@ -0,0 +1,18 @@
+package middleware
+
+import (
+	"github.com/caos/zitadel/internal/telemetry"
+	"net/http"
+
+	http_utils "github.com/caos/zitadel/internal/api/http"
+)
+
+func DefaultTelemetryHandler(handler http.Handler) http.Handler {
+	return TelemetryHandler(http_utils.Probes...)(handler)
+}
+
+func TelemetryHandler(ignoredMethods ...string) func(http.Handler) http.Handler {
+	return func(handler http.Handler) http.Handler {
+		return telemetry.TelemetryHandler(handler, ignoredMethods...)
+	}
+}

internal/api/http/middleware/trace_interceptor.go

@@ -1,18 +0,0 @@
-package middleware
-
-import (
-	"net/http"
-
-	http_utils "github.com/caos/zitadel/internal/api/http"
-	"github.com/caos/zitadel/internal/tracing"
-)
-
-func DefaultTraceHandler(handler http.Handler) http.Handler {
-	return TraceHandler(http_utils.Probes...)(handler)
-}
-
-func TraceHandler(ignoredMethods ...string) func(http.Handler) http.Handler {
-	return func(handler http.Handler) http.Handler {
-		return tracing.TraceHandler(handler, ignoredMethods...)
-	}
-}