Azure Disk CSI deployment (#5833)

* Azure Disk CSI deployment

* Mention Azure CSI support

* Fix: remove unnecessary file

* Typo in documentation

* Add newline to end of file

roles/kubernetes-apps/persistent_volumes/azuredisk-csi/defaults/main.yml

@@ -0,0 +1,3 @@
+---
+## Available values: Standard_LRS, Premium_LRS, StandardSSD_LRS, UltraSSD_LRS
+storage_account_type: StandardSSD_LRS

roles/kubernetes-apps/persistent_volumes/azuredisk-csi/tasks/main.yml

@@ -0,0 +1,19 @@
+---
+- name: Kubernetes Persistent Volumes | Copy Azure CSI Storage Class template
+  template:
+    src: "azure-csi-storage-class.yml.j2"
+    dest: "{{ kube_config_dir }}/azure-csi-storage-class.yml"
+  register: manifests
+  when:
+    - inventory_hostname == groups['kube-master'][0]
+
+- name: Kubernetes Persistent Volumes | Add Azure CSI Storage Class
+  kube:
+    name: cinder-csi
+    kubectl: "{{ bin_dir }}/kubectl"
+    resource: StorageClass
+    filename: "{{ kube_config_dir }}/azure-csi-storage-class.yml"
+    state: "latest"
+  when:
+    - inventory_hostname == groups['kube-master'][0]
+    - manifests.changed

roles/kubernetes-apps/persistent_volumes/azuredisk-csi/templates/azure-csi-storage-class.yml.j2

@@ -0,0 +1,11 @@
+---
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: disk.csi.azure.com
+provisioner: disk.csi.azure.com
+parameters:
+  skuname: {{ storage_account_type }}
+reclaimPolicy: Delete
+volumeBindingMode: Immediate
+allowVolumeExpansion: true