fix prometheus cluster ip and support pod labels (#4915)

* fix prometheus cluster ip and support pod labels

* bump chart version

stable/prometheus/Chart.yaml

@@ -1,5 +1,5 @@
 name: prometheus
-version: 6.2.0
+version: 6.2.1
 appVersion: 2.2.1
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/

stable/prometheus/templates/kube-state-metrics-deployment.yaml

@@ -21,6 +21,9 @@ spec:
         app: {{ template "prometheus.name" . }}
         component: "{{ .Values.kubeStateMetrics.name }}"
         release: {{ .Release.Name }}
+{{- if .Values.kubeStateMetrics.pod.labels }}
+{{ toYaml .Values.kubeStateMetrics.pod.labels | indent 8 }}
+{{- end }}
     spec:
       serviceAccountName: {{ template "prometheus.serviceAccountName.kubeStateMetrics" . }}
       containers:

stable/prometheus/values.yaml

@@ -278,6 +278,9 @@ kubeStateMetrics:
   ##
   podAnnotations: {}
 
+  pod:
+    labels: {}
+
   replicaCount: 1
 
   ## kube-state-metrics resource requests and limits
@@ -296,7 +299,7 @@ kubeStateMetrics:
       prometheus.io/scrape: "true"
     labels: {}
 
-    clusterIP: None
+    clusterIP: ""
 
     ## List of IP addresses at which the kube-state-metrics service is available
     ## Ref: https://kubernetes.io/docs/user-guide/services/#external-ips
@@ -386,7 +389,7 @@ nodeExporter:
       prometheus.io/scrape: "true"
     labels: {}
 
-    clusterIP: None
+    clusterIP: ""
 
     ## List of IP addresses at which the node-exporter service is available
     ## Ref: https://kubernetes.io/docs/user-guide/services/#external-ips