Merge pull request #107 from leakingtapan/mult-volume-path

Update volume path example for accessing multiple volumes within the same EFS filesystem

deploy/kubernetes/overlays/dev/kustomization.yaml

@@ -5,3 +5,4 @@ bases:
 images:
 - name: amazon/aws-efs-csi-driver
   newTag: latest
+  newName: chengpan/aws-efs-csi-driver

examples/kubernetes/static_provisioning/specs/pv.yaml

@@ -12,4 +12,4 @@ spec:
   storageClassName: efs-sc
   csi:
     driver: efs.csi.aws.com
-    volumeHandle: fs-4af69aab
+    volumeHandle: fs-e8a95a42

examples/kubernetes/volume_path/README.md

@@ -3,12 +3,12 @@ Similar to [static provisioning example](../static_provisioning). A sub director
 
 **Note**: this feature requires the sub directory to mount precreated on EFS before consuming the volume from pod.
 
-### Edit [Persistence Volume Spec](./specs/pv.yaml) 
+### Edit [Persistence Volume Spec](./specs/example.yaml)
 ```
 apiVersion: v1
 kind: PersistentVolume
 metadata:
-  name: efs-pv
+  name: efs-pv1
 spec:
   capacity:
     storage: 5Gi
@@ -19,11 +19,9 @@ spec:
   storageClassName: efs-sc
   csi:
     driver: efs.csi.aws.com
-    volumeHandle: [FileSystemId] 
-    volumeAttriburtes:
-        path: /a/b/c/
+    volumeHandle: [FileSystemId]:[Path]
 ```
-Replace `VolumeHandle` value with `FileSystemId` of the EFS filesystem that needs to be mounted. Note that the path under `volumeAttriburtes` is used as the path from the root of EFS filesystem.
+Replace `FileSystemId` of the EFS filesystem ID that needs to be mounted. And replace `Path` with a existing path on the filesystem.
 
 You can find it using AWS CLI:
 ```sh
@@ -46,5 +44,6 @@ After the objects are created, verify that pod is running:
 Also you can verify that data is written onto EFS filesystem:
 
 ```sh
->> kubectl exec -ti efs-app -- tail -f /data/out.txt
+>> kubectl exec -ti efs-app -- tail -f /data-dir1/out.txt
+>> kubectl exec -ti efs-app -- ls /data-dir2
 ```

examples/kubernetes/volume_path/specs/example.yaml

@@ -7,28 +7,54 @@ provisioner: efs.csi.aws.com
 apiVersion: v1
 kind: PersistentVolume
 metadata:
-  name: efs-pv
+  name: efs-pv1
 spec:
   capacity:
     storage: 5Gi
   volumeMode: Filesystem
   accessModes:
-    - ReadWriteOnce
+    - ReadWriteMany
   persistentVolumeReclaimPolicy: Retain
   storageClassName: efs-sc
   csi:
     driver: efs.csi.aws.com
-    volumeHandle: fs-0434d1e6
-    volumeAttributes:
-      path: /a/b/c/
+    volumeHandle: fs-e8a95a42:/dir1
 ---
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
-  name: efs-claim
+  name: efs-claim1
 spec:
   accessModes:
-    - ReadWriteOnce
+    - ReadWriteMany
+  storageClassName: efs-sc
+  resources:
+    requests:
+      storage: 5Gi
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: efs-pv2
+spec:
+  capacity:
+    storage: 5Gi
+  volumeMode: Filesystem
+  accessModes:
+    - ReadWriteMany
+  persistentVolumeReclaimPolicy: Retain
+  storageClassName: efs-sc
+  csi:
+    driver: efs.csi.aws.com
+    volumeHandle: fs-e8a95a42:/dir2
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: efs-claim2
+spec:
+  accessModes:
+    - ReadWriteMany
   storageClassName: efs-sc
   resources:
     requests:
@@ -43,11 +69,16 @@ spec:
   - name: app
     image: centos
     command: ["/bin/sh"]
-    args: ["-c", "while true; do echo $(date -u) >> /data/out.txt; sleep 5; done"]
+    args: ["-c", "while true; do echo $(date -u) >> /data-dir1/out.txt; sleep 5; done"]
     volumeMounts:
-    - name: persistent-storage
-      mountPath: /data
+    - name: efs-volume-1
+      mountPath: /data-dir1
+    - name: efs-volume-2
+      mountPath: /data-dir2
   volumes:
-  - name: persistent-storage
+  - name: efs-volume-1
+    persistentVolumeClaim:
+      claimName: efs-claim1
+  - name: efs-volume-2
     persistentVolumeClaim:
-      claimName: efs-claim
+      claimName: efs-claim2