K8s: Improve identity mapping setup (#89450)

pkg/apiserver/builder/helper.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/prometheus/client_golang/prometheus"
 	"golang.org/x/mod/semver"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -26,7 +27,6 @@ import (
 
 	"github.com/grafana/grafana/pkg/apiserver/endpoints/filters"
 	"github.com/grafana/grafana/pkg/services/apiserver/options"
-	"github.com/prometheus/client_golang/prometheus"
 )
 
 // TODO: this is a temporary hack to make rest.Connecter work with resource level routes
@@ -96,6 +96,7 @@ func SetupConfig(
 
 		// Needs to run last in request chain to function as expected, hence we register it first.
 		handler := filters.WithTracingHTTPLoggingAttributes(requestHandler)
+		handler = filters.WithRequester(handler)
 		handler = genericapiserver.DefaultBuildHandlerChain(handler, c)
 		handler = filters.WithAcceptHeader(handler)
 		handler = filters.WithPathRewriters(handler, pathRewriters)