Added namespace to Spark example.

examples/spark/spark-gluster/glusterfs-endpoints.yaml

@@ -2,6 +2,7 @@ kind: Endpoints
 apiVersion: v1
 metadata:
   name: glusterfs-cluster
+  namespace: spark-cluster
 subsets:
   - addresses:
       - ip: 192.168.30.104

examples/spark/spark-gluster/spark-master-controller.yaml

@@ -2,6 +2,7 @@ kind: ReplicationController
 apiVersion: v1
 metadata:
   name: spark-master-controller
+  namespace: spark-cluster
   labels:
     component: spark-master
 spec:

examples/spark/spark-gluster/spark-master-service.yaml

@@ -2,6 +2,7 @@ kind: Service
 apiVersion: v1
 metadata:
   name: spark-master
+  namespace: spark-cluster
   labels:
     component: spark-master-service
 spec:

examples/spark/spark-gluster/spark-worker-controller.yaml

@@ -2,6 +2,7 @@ kind: ReplicationController
 apiVersion: v1
 metadata:
   name: spark-gluster-worker-controller
+  namespace: spark-cluster
   labels:
     component: spark-worker
 spec: