CSIUnity v2.8.0 release (#248)

* Updated v2.8.0 unity driver version

* addressed review comments on values.yaml file update

charts/container-storage-modules/Chart.yaml

@@ -60,7 +60,7 @@ dependencies:
   condition: csi-vxflexos.enabled
 
 - name: csi-unity
-  version: 2.7.0
+  version: 2.8.0
   repository: https://dell.github.io/helm-charts
   condition: csi-unity.enabled
 

charts/container-storage-modules/values.yaml

@@ -317,7 +317,7 @@ csi-vxflexos:
 ########################
 csi-unity:
   enabled: false
-  version: "v2.7.0"
+  version: "v2.8.0"
 
   # certSecretCount: Represents number of certificate secrets, which user is going to create for
   # ssl authentication. (unity-cert-0..unity-cert-n)
@@ -436,6 +436,11 @@ csi-unity:
   # tenantName - Tenant name that need to added while adding host entry to the array.
   tenantName: ""
 
+# 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: true
+
   images:
     driverRepository: dellemc
 

charts/csi-unity/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
-appVersion: 2.7.0
+appVersion: 2.8.0
 name: csi-unity
-version: 2.7.0
+version: 2.8.0
 description: |
   Unity XT CSI (Container Storage Interface) driver Kubernetes
   integration. This chart includes everything required to provision via CSI as
@@ -17,4 +17,4 @@ keywords:
 sources:
 - https://github.com/dell/csi-unity
 maintainers:
-- name: DellEMC
+- name: DellEMC

charts/csi-unity/templates/_helpers.tpl

@@ -48,3 +48,14 @@ Return the appropriate sidecar images based on k8s version
     {{- end -}}
   {{- end -}}
 {{- end -}}
+
+{{/*
+Return true if storage capacity tracking is enabled and is supported based on k8s version
+*/}}
+{{- define "csi-unity.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-unity/templates/controller.yaml

@@ -83,6 +83,18 @@ rules:
   - apiGroups: [""]
     resources: ["persistentvolumeclaims/status"]
     verbs: ["update", "patch"]
+  # Permissions for CSIStorageCapacity
+  {{- if eq (include "csi-unity.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
@@ -188,9 +200,20 @@ spec:
             - "--leader-election"
             - "--leader-election-namespace={{ .Release.Namespace }}"
             - "--default-fstype={{ .Values.defaultFsType | default "ext4" }}"
+            - "--enable-capacity={{ (include "csi-unity.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

charts/csi-unity/templates/csidriver.yaml

@@ -3,9 +3,10 @@ kind: CSIDriver
 metadata:
   name: csi-unity.dellemc.com
 spec:
+  storageCapacity: {{ (include "csi-unity.isStorageCapacitySupported" .) | default false }}
   attachRequired: true
   podInfoOnMount: true
   volumeLifecycleModes:
     - Persistent
     - Ephemeral
-  fsGroupPolicy: {{ .Values.fsGroupPolicy }}
+  fsGroupPolicy: {{ .Values.fsGroupPolicy }}

charts/csi-unity/values.yaml

@@ -3,8 +3,8 @@
 
 # version: version of this values file
 # Note: Do not change this value
-# Examples : "v2.7.0" , "nightly"
-version: "v2.7.0"
+# Examples : "v2.8.0" , "nightly"
+version: "v2.8.0"
 
 # LogLevel is used to set the logging level of the driver.
 # Allowed values: "error", "warn"/"warning", "info", "debug"
@@ -242,6 +242,20 @@ maxUnityVolumesPerNode: 0
 # Examples : "tenant2" , "tenant3"
 tenantName: ""
 
+# 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
+
 images:
   # "driver" defines the container image, used for the driver container.
   driverRepository: dellemc