update aks sample script with azure NFS share for storage

 Changes to be committed:
	modified:   kubernetes/samples/scripts/common/utility.sh
	new file:   kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/azure-csi-storageaccount-template.yaml
	deleted:    kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/azure-file-pv-template.yaml
	modified:   kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/azure-file-pvc-template.yaml
	modified:   kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/create-domain-on-aks-inputs.yaml
	modified:   kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/create-domain-on-aks.sh
	modified:   kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/validate.sh

Signed-off-by: galiacheng <haixia.cheng@microsoft.com>

Author: galiacheng

kubernetes/samples/scripts/common/utility.sh

@@ -185,6 +185,25 @@ function checkPvState {
   fi
 }
 
+#
+# Check the state of a persistent volume claim.
+# $1 - name of volume claim
+# $2 - expected state of volume claim
+function checkPvcState {
+
+  echo "Checking if the persistent volume claim ${1:?} is ${2:?}"
+  local pvc_state=`kubectl get pvc $1 -o jsonpath='{.status.phase}'`
+  attempts=0
+  while [ ! "$pvc_state" = "$2" ] && [ ! $attempts -eq 10 ]; do
+    attempts=$((attempts + 1))
+    sleep 1
+    pvc_state=`kubectl get pvc $1 -o jsonpath='{.status.phase}'`
+  done
+  if [ "$pvc_state" != "$2" ]; then
+    fail "The persistent volume state should be $2 but is $pvc_state"
+  fi
+}
+
 #
 # Function to check if a persistent volume exists
 # $1 - name of volume

kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/azure-csi-storageaccount-template.yaml

@@ -0,0 +1,16 @@
+# Copyright (c) 2018, 2021, Oracle and/or its affiliates.
+# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
+
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: %STORAGE_CLASS_NAME%
+provisioner: file.csi.azure.com
+parameters:
+  protocol: nfs
+  resourceGroup: %STORAGE_ACCOUNT_RESOURCE_GROUP_NAME%
+  storageAccount: %STORAGE_ACCOUNT_NAME%
+  shareName: %AZURE_FILE_SHARE_NAME%
+reclaimPolicy: Delete
+volumeBindingMode: Immediate
+allowVolumeExpansion: true

kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/azure-file-pv-template.yaml

@@ -11,7 +11,4 @@ spec:
   storageClassName: %STORAGE_CLASS_NAME%
   resources:
     requests:
-      storage: 10Gi
-  selector:
-    matchLabels:
-      usage: %PERSISTENT_VOLUME_CLAIM_NAME%
+      storage: 100Gi

kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/azure-file-pvc-template.yaml

@@ -53,17 +53,6 @@ azureKubernetesNodeVMSize: Standard_DS2_v2
 # The suffix of azure kubernetes node pool name, the azure kubernetes node pool name will be${azureKubernetesNodepoolNamePrefix} ${namePrefix}.
 azureKubernetesNodepoolNamePrefix: pool1
 
-# SKU of azure storage account, used to create storage account.
-azureStorageAccountSku: Standard_LRS
-
-# Name of Azure Storage Class. We will use initial StorageClasses azurefile.
-# If you want to create new class, follow the document: https://docs.microsoft.com/en-us/azure/aks/azure-files-dynamic-pv#create-a-storage-class.
-# Go to this page for more details:  https://docs.microsoft.com/en-us/azure/aks/concepts-storage#storage-classes
-azureStorageClassName: azurefile
-
-# The suffix of azure storage file share name, the complete value is ${namePrefix}-${azureStorageShareNameSuffix}-<timestamp>, used to create file share, and mount file share. 
-azureStorageShareNameSuffix: weblogic
-
 #Java Option for WebLogic Server
 javaOptions: -Dweblogic.StdoutDebugEnabled=false -XX:MinRAMPercentage=25.0 -XX:MaxRAMPercentage=50.0
 
@@ -72,6 +61,12 @@ javaOptions: -Dweblogic.StdoutDebugEnabled=false -XX:MinRAMPercentage=25.0 -XX:M
 # Parameter "imagePullSecretName" will be overwritten with this field in kubernetes/samples/scripts/create-weblogic-domain/domain-home-on-pv/create-domain-inputs.yaml
 imagePullSecretNameSuffix: regcred
 
+# Storage class name for Azure Files using Container Storage Interface driver, see https://docs.microsoft.com/en-us/azure/aks/azure-files-csi#nfs-file-shares
+azureFileCsiNfsClassName: azurefile-csi-nfs
+
+# The suffix of azure storage file share name, the complete value is ${namePrefix}-${azureStorageShareNameSuffix}-<timestamp>, used to create file share, and mount file share. 
+azureStorageShareNameSuffix: weblogic
+
 # Resource request for each server pod (Memory and CPU). This is minimum amount of compute
 # resources required for each server pod. Edit value(s) below as per pod sizing requirements.
 # These are optional