update static provisoning doc

Author: andyzhangx

README.md

@@ -49,9 +49,9 @@ kubectl create -f https://raw.githubusercontent.com/csi-driver/blobfuse-csi-driv
 ### Static Provisioning(use an existing storage account)
 #### Option#1: use existing credentials in k8s cluster
  > make sure the existing credentials in k8s cluster(e.g. service principal, msi) could access the specified storage account
- - Download a blobfuse CSI storage class, edit `resourceGroup`, `storageAccount`, `containerName` to use existing storage container
+ - Download a blobfuse CSI storage class, edit `resourceGroup`, `storageAccount`, `containerName` in storage class
 ```sh
-wget -O storageclass-blobfuse-csi-existing-container.yaml https://raw.githubusercontent.com/csi-driver/blobfuse-csi-driver/master/deploy/example/storageclass-blobfuse-csi-existing-container.yaml
+wget https://raw.githubusercontent.com/csi-driver/blobfuse-csi-driver/master/deploy/example/storageclass-blobfuse-csi-existing-container.yaml
 vi storageclass-blobfuse-csi-existing-container.yaml
 kubectl create -f storageclass-blobfuse-csi-existing-container.yaml
 ```
@@ -67,7 +67,7 @@ kubectl create -f https://raw.githubusercontent.com/csi-driver/blobfuse-csi-driv
 kubectl create secret generic azure-secret --from-literal accountname=NAME --from-literal accountkey="KEY" --type=Opaque
 ```
 
- - Create a blobfuse CSI PV, download `pv-blobfuse-csi.yaml` file and edit `containerName` in `volumeAttributes`
+ - Create a blobfuse CSI PV, download `pv-blobfuse-csi.yaml` file and edit `resourceGroup`, `storageAccount`, `containerName` in `volumeAttributes`
 ```sh
 wget https://raw.githubusercontent.com/csi-driver/blobfuse-csi-driver/master/deploy/example/pv-blobfuse-csi.yaml
 vi pv-blobfuse-csi.yaml

deploy/example/pv-blobfuse-csi.yaml

@@ -7,13 +7,15 @@ spec:
     storage: 10Gi
   accessModes:
     - ReadWriteMany
-  persistentVolumeReclaimPolicy: Retain
+  persistentVolumeReclaimPolicy: Retain #If set as "Delete" container would be removed after pvc deletion
   csi:
     driver: blobfuse.csi.azure.com
     readOnly: false
     volumeHandle: arbitrary-volumeid
     volumeAttributes:
-      sharename: k8stest
+      resourceGroup: EXISTING_RESOURCE_GROUP
+      storageAccount: EXISTING_STORAGE_ACCOUNT
+      containerName: EXISTING_CONTAINER_NAME
     nodePublishSecretRef:
       name: azure-secret
       namespace: default

deploy/example/storageclass-blobfuse-csi-existing-container.yaml

@@ -8,5 +8,5 @@ parameters:
   resourceGroup: EXISTING_RESOURCE_GROUP
   storageAccount: EXISTING_STORAGE_ACCOUNT
   containerName: EXISTING_CONTAINER_NAME
-reclaimPolicy: Retain
+reclaimPolicy: Retain #If set as "Delete" container would be removed after pvc deletion
 volumeBindingMode: Immediate

deploy/example/storageclass-blobfuse-csi.yaml

@@ -5,5 +5,5 @@ metadata:
 provisioner: blobfuse.csi.azure.com
 parameters:
   skuName: Standard_LRS  #available values: Standard_LRS, Standard_GRS, Standard_RAGRS
-reclaimPolicy: Retain
+reclaimPolicy: Retain #If set as "Delete" container would be removed after pvc deletion
 volumeBindingMode: Immediate