Revert "Use Deployment with leader election instead of StatefulSet"

This reverts commit a151bec94b.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

deploy/cephfs/helm/templates/provisioner-role.yaml

@@ -16,7 +16,4 @@ rules:
   - apiGroups: [""]
     resources: ["configmaps"]
     verbs: ["get", "list", "watch", "create", "delete"]
-  - apiGroups: ["coordination.k8s.io"]
-    resources: ["leases"]
-    verbs: ["get", "watch", "list", "delete", "update", "create"]
 {{- end -}}

deploy/cephfs/helm/templates/provisioner-service.yaml

@@ -0,0 +1,18 @@
+kind: Service
+apiVersion: v1
+metadata:
+  name: {{ include "ceph-csi-cephfs.provisioner.fullname" . }}
+  labels:
+    app: {{ include "ceph-csi-cephfs.name" . }}
+    chart: {{ include "ceph-csi-cephfs.chart" . }}
+    component: {{ .Values.provisioner.name }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  selector:
+    app: {{ include "ceph-csi-cephfs.name" . }}
+    component: {{ .Values.provisioner.name }}
+    release: {{ .Release.Name }}
+  ports:
+    - name: dummy
+      port: 12345

deploy/cephfs/helm/templates/provisioner-statefulset.yaml

@@ -1,5 +1,5 @@
-kind: Deployment
-apiVersion: apps/v1
+kind: StatefulSet
+apiVersion: apps/v1beta1
 metadata:
   name: {{ include "ceph-csi-cephfs.provisioner.fullname" . }}
   labels:
@@ -9,6 +9,7 @@ metadata:
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
 spec:
+  serviceName: {{ include "ceph-csi-cephfs.provisioner.fullname" . }}
   replicas: {{ .Values.provisioner.replicas }}
   selector:
     matchLabels:
@@ -30,7 +31,6 @@ spec:
           image: "{{ .Values.provisioner.image.repository }}:{{ .Values.provisioner.image.tag }}"
           args:
             - "--csi-address=$(ADDRESS)"
-            - "--leader-election-type=leases"
             - "--v=5"
           env:
             - name: ADDRESS