Merge pull request kubernetes#18 from farcaller/fix-rbd-docs

Updated rbd volume example to use yaml configs with better readability

Author: sebgoa

staging/volumes/rbd/README.md

@@ -8,7 +8,7 @@ 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 [rbd.json](rbd.json)  [rbd-with-secret.json](rbd-with-secret.json). In the pod JSON, you need to provide the following information.
+Once you have installed Ceph and new Kubernetes, you can create a pod based on my examples [rbd.yaml](rbd.yaml)  [rbd-with-secret.yaml](rbd-with-secret.yaml). In the pod JSON, you need to provide the following information.
 
 - *monitors*:  Ceph monitors.
 - *pool*: The name of the RADOS pool, if not provided, default *rbd* pool is used.
@@ -39,7 +39,7 @@ An example yaml is provided [here](secret/ceph-secret.yaml). Then post the secre
 Here are my commands:
 
 ```console
-    # kubectl create -f examples/volumes/rbd/rbd.json
+    # kubectl create -f examples/volumes/rbd/rbd.yaml
     # kubectl get pods
 ```
 

staging/volumes/rbd/rbd-with-secret.json

@@ -0,0 +1,25 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: rbd2
+spec:
+  containers:
+    - image: kubernetes/pause
+      name: rbd-rw
+      volumeMounts:
+      - name: rbdpd
+        mountPath: /mnt/rbd
+  volumes:
+    - name: rbdpd
+      rbd:
+        monitors: 
+        - '10.16.154.78:6789'
+        - '10.16.154.82:6789'
+        - '10.16.154.83:6789'
+        pool: kube
+        image: foo
+        fsType: ext4
+        readOnly: true
+        user: admin
+        secretRef:
+          name: ceph-secret

staging/volumes/rbd/rbd-with-secret.yaml

@@ -0,0 +1,24 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: rbd
+spec:
+  containers:
+    - image: kubernetes/pause
+      name: rbd-rw
+      volumeMounts:
+      - name: rbdpd
+        mountPath: /mnt/rbd
+  volumes:
+    - name: rbdpd
+      rbd:
+        monitors:
+        - '10.16.154.78:6789'
+        - '10.16.154.82:6789'
+        - '10.16.154.83:6789'
+        pool: kube
+        image: foo
+        fsType: ext4
+        readOnly: true
+        user: admin
+        keyring: /etc/ceph/keyring