fix(chart): only create ServiceMonitor if cluster supports it (#7926)

* fix: only create ServiceMonitor if cluster supports it

Adds an additional check to the ServiceMonitor template to ensure that
the cluster supports the `monitoring.coreos.com/v1` API version.

Signed-off-by: Alexej Disterhoft <alexej@disterhoft.de>

charts/kyverno/Chart.yaml

@@ -26,6 +26,8 @@ annotations:
       url: https://kyverno.io/docs
   # valid kinds are: added, changed, deprecated, removed, fixed and security
   artifacthub.io/changes: |
+    - kind: changed
+      description: only create ServiceMonitor if cluster supports it
     - kind: fixed
       description: rbac templating issues
     - kind: added

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

@@ -1,4 +1,4 @@
-{{- if .Values.admissionController.serviceMonitor.enabled }}
+{{- if and .Values.admissionController.serviceMonitor.enabled (.Capabilities.APIVersions.Has "monitoring.coreos.com/v1") }}
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata:

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

@@ -1,5 +1,5 @@
 {{- if .Values.backgroundController.enabled -}}
-{{- if .Values.backgroundController.serviceMonitor.enabled -}}
+{{- if and .Values.backgroundController.serviceMonitor.enabled (.Capabilities.APIVersions.Has "monitoring.coreos.com/v1") -}}
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata:

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

@@ -1,5 +1,5 @@
 {{- if .Values.cleanupController.enabled -}}
-{{- if .Values.cleanupController.serviceMonitor.enabled -}}
+{{- if and .Values.cleanupController.serviceMonitor.enabled (.Capabilities.APIVersions.Has "monitoring.coreos.com/v1") -}}
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata:

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

@@ -1,5 +1,5 @@
 {{- if .Values.reportsController.enabled -}}
-{{- if .Values.reportsController.serviceMonitor.enabled -}}
+{{- if and .Values.reportsController.serviceMonitor.enabled (.Capabilities.APIVersions.Has "monitoring.coreos.com/v1") -}}
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata: