Update cephfs example according to config best practices

examples/cephfs/README.md

@@ -41,7 +41,7 @@ If you don't have a Ceph cluster, you can set up a [containerized Ceph cluster](
 
 Then get the keyring from the Ceph cluster and copy it to */etc/ceph/keyring*.
 
-Once you have installed Ceph and new Kubernetes, you can create a pod based on my examples [cephfs.json](cephfs.json)  and [cephfs-with-secret.json](cephfs-with-secret.json). In the pod JSON, you need to provide the following information.
+Once you have installed Ceph and a Kubernetes cluster, you can create a pod based on my examples [cephfs.yaml](cephfs.yaml)  and [cephfs-with-secret.yaml](cephfs-with-secret.yaml). In the pod yaml, you need to provide the following information.
 
 - *monitors*:  Array of Ceph monitors.
 - *user*: The RADOS user name. If not provided, default *admin* is used.
@@ -53,11 +53,13 @@ Once you have installed Ceph and new Kubernetes, you can create a pod based on m
 Here are the commands:
 
 ```console
+    # kubectl create -f examples/cephfs/cephfs.yaml
+
     # create a secret if you want to use Ceph secret instead of secret file
-    # cluster/kubectl.sh create -f examples/cephfs/secret/ceph-secret.yaml
+    # kubectl create -f examples/cephfs/secret/ceph-secret.yaml
 	
-    # cluster/kubectl.sh create -f examples/cephfs/v1beta3/cephfs.json
-    # cluster/kubectl.sh get pods
+    # kubectl create -f examples/cephfs/cephfs-with-secret.yaml
+    # kubectl get pods
 ```
 
  If you ssh to that machine, you can run `docker ps` to see the actual pod and `docker inspect` to see the volumes used by the container.

examples/cephfs/cephfs-with-secret.json

-{
-    "apiVersion": "v1",
-    "id": "cephfs2",
-    "kind": "Pod",
-    "metadata": {
-        "name": "cephfs2"
-    },
-    "spec": {
-        "containers": [
-            {
-                "name": "cephfs-rw",
-                "image": "kubernetes/pause",
-                "volumeMounts": [
-                    {
-                        "mountPath": "/mnt/cephfs",
-                        "name": "cephfs"
-                    }
-                ]
-            }
-        ],
-        "volumes": [
-            {
-                "name": "cephfs",
-                "cephfs": {
-					"monitors": [
-        						"10.16.154.78:6789",
-						        "10.16.154.82:6789",
-        						"10.16.154.83:6789"
-    				 ],
-                    "user": "admin",
-                    "secretRef": {
-						  "name": "ceph-secret"
-					 },
-                    "readOnly": true
-                }
-            }
-        ]
-    }
-}

examples/cephfs/cephfs-with-secret.yaml

+apiVersion: v1
+kind: Pod
+metadata:
+  name: cephfs2
+spec:
+  containers:
+  - name: cephfs-rw
+    image: kubernetes/pause
+    volumeMounts:
+    - mountPath: "/mnt/cephfs"
+      name: cephfs
+  volumes:
+  - name: cephfs
+    cephfs:
+      monitors:
+      - 10.16.154.78:6789
+      - 10.16.154.82:6789
+      - 10.16.154.83:6789
+      user: admin
+      secretRef:
+        name: ceph-secret
+      readOnly: true

examples/cephfs/cephfs.json

-{
-    "apiVersion": "v1",
-    "id": "cephfs",
-    "kind": "Pod",
-    "metadata": {
-        "name": "cephfs"
-    },
-    "spec": {
-        "containers": [
-            {
-                "name": "cephfs-rw",
-                "image": "kubernetes/pause",
-                "volumeMounts": [
-                    {
-                        "mountPath": "/mnt/cephfs",
-                        "name": "cephfs"
-                    }
-                ]
-            }
-        ],
-        "volumes": [
-            {
-                "name": "cephfs",
-                "cephfs": {
-					"monitors": [
-        						"10.16.154.78:6789",
-						        "10.16.154.82:6789",
-        						"10.16.154.83:6789"
-    				 ],
-                    "user": "admin",
-                    "secretFile": "/etc/ceph/admin.secret",
-                    "readOnly": true
-                }
-            }
-        ]
-    }
-}

examples/cephfs/cephfs.yaml

+apiVersion: v1
+kind: Pod
+metadata:
+  name: cephfs
+spec:
+  containers:
+  - name: cephfs-rw
+    image: kubernetes/pause
+    volumeMounts:
+    - mountPath: "/mnt/cephfs"
+      name: cephfs
+  volumes:
+  - name: cephfs
+    cephfs:
+      monitors:
+      - 10.16.154.78:6789
+      - 10.16.154.82:6789
+      - 10.16.154.83:6789
+      user: admin
+      secretFile: "/etc/ceph/admin.secret"
+      readOnly: true