review feedback: tune rbd provisioner rbac

Signed-off-by: Huamin Chen <hchen@redhat.com>

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

@@ -1,13 +1,13 @@
 apiVersion: v1
 kind: ServiceAccount
 metadata:
-  name: csi-provisioner
+  name: rbd-csi-provisioner
 
 ---
 kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
-  name: external-provisioner-runner
+  name: rbd-external-provisioner-runner
 rules:
   - apiGroups: [""]
     resources: ["secrets"]
@@ -27,17 +27,20 @@ rules:
   - apiGroups: [""]
     resources: ["endpoints"]
     verbs: ["get", "create", "update"]
+  - apiGroups: [""]
+    resources: ["configmaps"]
+    verbs: ["get", "list", "create", "delete"]
     
 ---
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
-  name: csi-provisioner-role
+  name: rbd-csi-provisioner-role
 subjects:
   - kind: ServiceAccount
-    name: csi-provisioner
+    name: rbd-csi-provisioner
     namespace: default
 roleRef:
   kind: ClusterRole
-  name: external-provisioner-runner
+  name: rbd-external-provisioner-runner
   apiGroup: rbac.authorization.k8s.io