Merge pull request #12 from Madhan-SWE/feature_remove_pvm_instance_id_v2

Volume resize functionality added

Author: mkumatag

deploy/kubernetes/base/clusterrole-resizer.yaml

@@ -0,0 +1,28 @@
+---
+ kind: ClusterRole
+ apiVersion: rbac.authorization.k8s.io/v1
+ metadata:
+   name: powervs-external-resizer-role
+   labels:
+     app.kubernetes.io/name: powervs-csi-driver
+ rules:
+   # The following rule should be uncommented for plugins that require secrets
+   # for provisioning.
+   - apiGroups: [ "" ]
+     resources: [ "persistentvolumes" ]
+     verbs: [ "get", "list", "watch", "update", "patch" ]
+   - apiGroups: [ "" ]
+     resources: [ "persistentvolumeclaims" ]
+     verbs: [ "get", "list", "watch" ]
+   - apiGroups: [ "" ]
+     resources: [ "persistentvolumeclaims/status" ]
+     verbs: [ "update", "patch" ]
+   - apiGroups: [ "storage.k8s.io" ]
+     resources: [ "storageclasses" ]
+     verbs: [ "get", "list", "watch" ]
+   - apiGroups: [ "" ]
+     resources: [ "events" ]
+     verbs: [ "list", "watch", "create", "update", "patch" ]
+   - apiGroups: [ "" ]
+     resources: [ "pods" ]
+     verbs: [ "get", "list", "watch" ]

deploy/kubernetes/base/clusterrolebinding-resizer.yaml

@@ -0,0 +1,15 @@
+---
+ kind: ClusterRoleBinding
+ apiVersion: rbac.authorization.k8s.io/v1
+ metadata:
+   name: powervs-csi-resizer-binding
+   labels:
+     app.kubernetes.io/name: powervs-csi-driver
+ subjects:
+   - kind: ServiceAccount
+     name: powervs-csi-controller-sa
+     namespace: kube-system
+ roleRef:
+   kind: ClusterRole
+   name: powervs-external-resizer-role
+   apiGroup: rbac.authorization.k8s.io

deploy/kubernetes/base/controller.yaml

@@ -90,6 +90,17 @@ spec:
           volumeMounts:
             - name: socket-dir
               mountPath: /var/lib/csi/sockets/pluginproxy/
+        - name: csi-resizer
+           image: k8s.gcr.io/sig-storage/csi-resizer:v1.1.0
+           args:
+             - --csi-address=$(ADDRESS)
+             - --v=2
+           env:
+             - name: ADDRESS
+               value: /var/lib/csi/sockets/pluginproxy/csi.sock
+           volumeMounts:
+             - name: socket-dir
+               mountPath: /var/lib/csi/sockets/pluginproxy/
         - name: liveness-probe
           image: k8s.gcr.io/sig-storage/livenessprobe:v2.1.0
           args: