fix: add missing service monitor for background controller (#6600)

* fix: add missing service monitor for background controller

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

* fix

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

---------

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

charts/kyverno/templates/background-controller/servicemonitor.yaml

@@ -0,0 +1,34 @@
+{{- if .Values.backgroundController.enabled -}}
+{{- if .Values.backgroundController.serviceMonitor.enabled -}}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "kyverno.background-controller.name" . }}
+  {{- if .Values.backgroundController.serviceMonitor.namespace }}
+  namespace: {{ .Values.backgroundController.serviceMonitor.namespace }}
+  {{- else }}
+  namespace: {{ template "kyverno.namespace" . }}
+  {{- end }}
+  labels:
+    {{- include "kyverno.background-controller.labels" . | nindent 4 }}
+    {{- with .Values.backgroundController.serviceMonitor.additionalLabels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "kyverno.background-controller.matchLabels" . | nindent 6 }}
+  namespaceSelector:
+    matchNames:
+    - {{ template "kyverno.namespace" . }}
+  endpoints:
+  - port: metrics-port
+    interval: {{ .Values.backgroundController.serviceMonitor.interval }}
+    scrapeTimeout: {{ .Values.backgroundController.serviceMonitor.scrapeTimeout }}
+    {{- if .Values.backgroundController.serviceMonitor.secure }}
+    scheme: https
+    tlsConfig:
+      {{- toYaml .Values.backgroundController.serviceMonitor.tlsConfig | nindent 8 }}
+    {{- end }}
+{{- end -}}
+{{- end -}}

scripts/config/dev/kyverno.yaml

@@ -17,6 +17,10 @@ admissionController:
       - --tracingPort=4317
       - --enablePolicyException
 
+backgroundController:
+  serviceMonitor:
+    enabled: true
+
 cleanupController:
   rbac:
     clusterRole:

scripts/config/standard/kyverno.yaml

@@ -9,19 +9,6 @@ admissionController:
       - --loggingFormat=json
       - --enablePolicyException
 
-cleanupController:
-  rbac:
-    clusterRole:
-      extraResources:
-        - apiGroups:
-            - ''
-          resources:
-            - pods
-
-reportsController:
-  extraArgs:
-    enablePolicyException: true
-
 backgroundController:
   rbac:
     clusterRole:
@@ -40,3 +27,16 @@ backgroundController:
             - nodes
             - nodes/status
             - pods
+
+cleanupController:
+  rbac:
+    clusterRole:
+      extraResources:
+        - apiGroups:
+            - ''
+          resources:
+            - pods
+
+reportsController:
+  extraArgs:
+    enablePolicyException: true