Add optional extra labels to k8s resources (#284)

* Enable the possiblity to optionally add extra labels to k8s resources

* Package lastest helm chart with extra labels changes

* Address review comments

- Rename extraLabels to customLabels
- remove enabled field
- repackage helm chart

charts/latest/csi-driver-nfs/templates/_helpers.tpl

@@ -13,4 +13,7 @@ labels:
   app.kubernetes.io/name: "{{ template "nfs.name" . }}"
   app.kubernetes.io/version: "{{ .Chart.AppVersion }}"
   helm.sh/chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
-{{- end -}}
+  {{- if .Values.customLabels }}
+{{ toYaml .Values.customLabels | indent 2 -}}
+  {{- end }}
+{{- end -}}

charts/latest/csi-driver-nfs/values.yaml

@@ -1,3 +1,4 @@
+customLabels: {}
 image:
     nfs:
         repository: mcr.microsoft.com/k8s/csi/nfs-csi