[kube2iam] - add labels to ServiceMonitor (#21605)

Signed-off-by: Alex Williams <alex.williams@skyscanner.net>

stable/kube2iam/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: kube2iam
-version: 2.4.0
+version: 2.5.0
 appVersion: 0.10.9
 description: Provide IAM credentials to pods based on annotations.
 keywords:

stable/kube2iam/README.md

@@ -61,6 +61,7 @@ Parameter | Description | Default
 `prometheus.serviceMonitor.enabled` | If true, create a Prometheus Operator ServiceMonitor resource | `false`
 `prometheus.serviceMonitor.interval` | Interval at which the metrics endpoint is scraped | `10s`
 `prometheus.serviceMonitor.namespace` | An alternative namespace in which to install the ServiceMonitor | `""`
+`prometheus.serviceMonitor.labels` | Labels to add to the ServiceMonitor | `{}`
 `rbac.create` | If true, create & use RBAC resources | `false`
 `rbac.serviceAccountName` | existing ServiceAccount to use (ignored if rbac.create=true) | `default`
 `resources` | pod resource requests & limits | `{}`

stable/kube2iam/templates/servicemonitor.yaml

@@ -11,6 +11,9 @@ metadata:
     helm.sh/chart: {{ template "kube2iam.chart" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
+    {{- if .Values.prometheus.serviceMonitor.labels }}
+    {{- toYaml .Values.prometheus.serviceMonitor.labels | nindent 4 }}
+    {{- end }}
 spec:
   selector:
     matchLabels:

stable/kube2iam/values.yaml

@@ -32,6 +32,8 @@ prometheus:
     interval: 10s
     # Alternative namespace to install the ServiceMonitor in
     namespace: ""
+    # Labels to add to the service monitor
+    labels: {}
 
 image:
   repository: jtblin/kube2iam