skipping aznfs apt package installation at user's discretion

addons/csi-azurefile/Kustomization

@@ -22,6 +22,9 @@ patches:
             initContainers:
               - name: install-azurefile-proxy
                 image: '{{ .InternalImages.Get "AzureFileCSI" }}'
+                env:
+                  - name: INSTALL_AZNFS_MOUNT
+                    value: '{{ default "true" .Params.INSTALL_AZNFS_MOUNT }}'
             containers:
               - name: liveness-probe
                 image: '{{ .InternalImages.Get "AzureFileCSILivenessProbe" }}'

addons/csi-azurefile/README.md

@@ -6,3 +6,11 @@ See more: https://github.com/kubernetes-sigs/azurefile-csi-driver/tree/master/ch
 ```shell
 kubectl kustomize --enable-helm . | yq > csi-azurefile.yaml
 ```
+
+## Using The Addon
+
+You need to replace the following values with the actual ones:
+
+* `INSTALL_AZNFS_MOUNT` can be used to define the value of `INSTALL_AZNFS_MOUNT` env variable which controls if aznfs apt package should be installed on the nodes or not.
+  * Possible values are `"true"`or `"false"`
+  * Default is `"true"`.

addons/csi-azurefile/csi-azurefile.yaml

@@ -912,14 +912,14 @@ spec:
         - command:
             - /azurefile-proxy/init.sh
           env:
+            - name: INSTALL_AZNFS_MOUNT
+              value: '{{ default "true" .Params.INSTALL_AZNFS_MOUNT }}'
             - name: DEBIAN_FRONTEND
               value: noninteractive
             - name: AZNFS_NONINTERACTIVE_INSTALL
               value: "1"
             - name: INSTALL_AZUREFILE_PROXY
               value: "true"
-            - name: INSTALL_AZNFS_MOUNT
-              value: "true"
             - name: KUBELET_PATH
               value: /var/lib/kubelet
             - name: MIGRATE_K8S_REPO