chore(observability): add service monitor and dashboard metrics for kube-api-rewriter

Signed-off-by: Nikita Korolev <nikita.korolev@flant.com>

Author: universal-itengineer

templates/kube-api-rewriter/service-monitor.yaml

@@ -0,0 +1,49 @@
+{{- if (.Values.global.enabledModules | has "operator-prometheus-crd") }}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ .Chart.Name }}-kube-api-rewriter
+  namespace: d8-monitoring
+  {{- include "helm_lib_module_labels" (list $ (dict "prometheus" "main")) | nindent 2 }}
+spec:
+  endpoints:
+  - bearerTokenSecret:
+      key: token
+      name: prometheus-token
+    path: /proxy/metrics
+    port: metrics
+    scheme: https
+    tlsConfig:
+      insecureSkipVerify: true
+  namespaceSelector:
+    matchNames:
+    - d8-{{ .Chart.Name }}
+  selector:
+    matchLabels:
+      prometheus.cdi.internal.virtualization.deckhouse.io: "true"
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ .Chart.Name }}-kube-api-rewriter-virt-api
+  namespace: d8-monitoring
+  {{- include "helm_lib_module_labels" (list $ (dict "prometheus" "main")) | nindent 2 }}
+spec:
+  endpoints:
+  - bearerTokenSecret:
+      key: token
+      name: prometheus-token
+    path: /proxy/metrics
+    port: metrics
+    scheme: https
+    tlsConfig:
+      insecureSkipVerify: true
+  namespaceSelector:
+    matchNames:
+    - d8-{{ .Chart.Name }}
+  selector:
+    matchLabels:
+      prometheus.kubevirt.internal.virtualization.deckhouse.io: "true"
+{{- end }}
+