More APIs permission for new ONOS APIs

Change-Id: I43fee65254adca451f77431bfbf5accdf95b81ab
diff --git a/core/net/src/main/java/org/onosproject/cluster/impl/MastershipManager.java b/core/net/src/main/java/org/onosproject/cluster/impl/MastershipManager.java
index 56d369f..50a3350 100644
--- a/core/net/src/main/java/org/onosproject/cluster/impl/MastershipManager.java
+++ b/core/net/src/main/java/org/onosproject/cluster/impl/MastershipManager.java
@@ -187,6 +187,7 @@
 
     @Override
     public MastershipTerm getMastershipTerm(DeviceId deviceId) {
+        checkPermission(CLUSTER_READ);
         return store.getTermFor(deviceId);
     }