Revert "Use Deployment with leader election instead of StatefulSet"

This reverts commit a151bec94b.

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

deploy/rbd/kubernetes/csi-provisioner-rbac.yaml

@@ -87,9 +87,6 @@ rules:
   - apiGroups: [""]
     resources: ["configmaps"]
     verbs: ["get", "list", "watch", "create", "delete"]
-  - apiGroups: ["coordination.k8s.io"]
-    resources: ["leases"]
-    verbs: ["get", "watch", "list", "delete", "update", "create"]
 
 ---
 kind: RoleBinding

deploy/rbd/kubernetes/csi-rbdplugin-provisioner.yaml

@@ -1,13 +1,25 @@
 ---
-kind: Deployment
+kind: Service
+apiVersion: v1
+metadata:
+  name: csi-rbdplugin-provisioner
+  labels:
+    app: csi-rbdplugin-provisioner
+spec:
+  selector:
+    app: csi-rbdplugin-provisioner
+  ports:
+    - name: dummy
+      port: 12345
+
+---
+kind: StatefulSet
 apiVersion: apps/v1beta1
 metadata:
   name: csi-rbdplugin-provisioner
 spec:
-  replicas: 3
-  selector:
-    matchLabels:
-      app: csi-rbdplugin-provisioner
+  serviceName: "csi-rbdplugin-provisioner"
+  replicas: 1
   template:
     metadata:
       labels:
@@ -20,7 +32,6 @@ spec:
           args:
             - "--csi-address=$(ADDRESS)"
             - "--v=5"
-            - --leader-election-type=leases"
           env:
             - name: ADDRESS
               value: unix:///csi/csi-provisioner.sock