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/telemetry/tracing/caller.go

@@ -0,0 +1,22 @@
+package tracing
+
+import (
+	"runtime"
+
+	"github.com/caos/logging"
+)
+
+func GetCaller() string {
+	fpcs := make([]uintptr, 1)
+	n := runtime.Callers(3, fpcs)
+	if n == 0 {
+		logging.Log("TRACE-rWjfC").Debug("no caller")
+		return ""
+	}
+	caller := runtime.FuncForPC(fpcs[0] - 1)
+	if caller == nil {
+		logging.Log("TRACE-25POw").Debug("caller was nil")
+		return ""
+	}
+	return caller.Name()
+}