StorageCapacityTracking changes

charts/csi-powermax/templates/_helpers.tpl

@@ -48,3 +48,11 @@ Return the appropriate sidecar images based on k8s version
     {{- end -}}
   {{- end -}}
 {{- end -}}
+
+{{- define "csi-powermax.isStorageCapacitySupported" -}}
+{{- if eq .Values.storageCapacity.enabled true -}}
+  {{- if and (eq .Capabilities.KubeVersion.Major "1") (ge (trimSuffix "+" .Capabilities.KubeVersion.Minor) "24") -}}
+      {{- true -}}
+  {{- end -}}
+{{- end -}}
+{{- end -}}

charts/csi-powermax/templates/controller.yaml

@@ -91,7 +91,19 @@ rules:
   - apiGroups: [""]
     resources: ["configmaps"]
     verbs: ["create", "delete", "get", "list", "watch", "update", "patch"]  
-  {{- end}}  
+  {{- end}} 
+  # Permissions for Storage Capacity
+  {{- if eq (include "csi-powermax.isStorageCapacitySupported" .) "true" }}
+  - apiGroups: ["storage.k8s.io"]
+    resources: ["csistoragecapacities"]
+    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
+  - apiGroups: [""]
+    resources: ["pods"]
+    verbs: ["get"]
+  - apiGroups: ["apps"]
+    resources: ["replicasets"]
+    verbs: ["get"]
+  {{- end }}
 ---
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
@@ -184,9 +196,20 @@ spec:
             - "--leader-election"
             - "--extra-create-metadata"
             - "--feature-gates=Topology=true"
+            - "--enable-capacity={{ (include "csi-powermax.isStorageCapacitySupported" .) | default false }}"
+            - "--capacity-ownerref-level=2"
+            - "--capacity-poll-interval={{ .Values.storageCapacity.pollInterval | default "5m" }}"
           env:
             - name: ADDRESS
               value: /var/run/csi/csi.sock
+            - name: NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+            - name: POD_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.name
           volumeMounts:
             - name: socket-dir
               mountPath: /var/run/csi
@@ -487,4 +510,4 @@ spec:
           secret:
             secretName: proxy-server-root-certificate
         {{ end }}
-        {{ end }}
+        {{ end }}

charts/csi-powermax/templates/csidriver.yaml

@@ -7,5 +7,7 @@ metadata:
     name: csi-powermax
   {{- end }}
 spec:
+    podInfoOnMount: true
     attachRequired: true
-    fsGroupPolicy: {{ .Values.fsGroupPolicy }}
+    storageCapacity: {{ (include "csi-powermax.isStorageCapacitySupported" .) | default true }}
+    fsGroupPolicy: {{ .Values.fsGroupPolicy }}

charts/csi-powermax/values.yaml

@@ -427,6 +427,20 @@ authorization:
   # Default value: "true"
   skipCertificateValidation: true
 
+# Storage Capacity Tracking
+# Note: Capacity tracking is supported in kubernetes v1.24 and above, this feature will be automatically disabled in older versions.
+storageCapacity:
+  # enabled : Enable/Disable storage capacity tracking
+  # Allowed values:
+  #   true: enable storage capacity tracking
+  #   false: disable storage capacity tracking
+  # Default value: true
+  enabled: true
+  # pollInterval : Configure how often external-provisioner polls the driver to detect changed capacity
+  # Allowed values: 1m,2m,3m,...,10m,...,60m etc
+  # Default value: 5m
+  pollInterval: 5m
+
 # VMware/vSphere virtualization support
 # set enable to true, if you to enable VMware virtualized environment support via RDM
 # Allowed Values: