Update default value for dc and rack.

Update default value for dc and rack to match the old default value that was set by the executor.

cassandra-mesos-model/src/main/proto/io/mesosphere/mesos/frameworks/cassandra/model.proto

@@ -373,10 +373,10 @@ message ClusterJobKeyspaceStatus {
  */
 message RackDc {
     /** Rack identifier */
-    optional string rack = 1 [default = "RACK0"];
+    optional string rack = 1 [default = "RAC1"];
 
     /** DataCenter identifier */
-    optional string dc = 2  [default = "DC0"];
+    optional string dc = 2  [default = "DC1"];
 }
 
 /**

cassandra-mesos-scheduler/src/test/java/io/mesosphere/mesos/frameworks/cassandra/scheduler/PersistedCassandraFrameworkConfigurationTest.java

@@ -30,22 +30,22 @@ public void testGetDefaultRackDc() {
                 "",
                 false,
                 true,
-                "RACK1",
-                "DC1",
+                "RACK5",
+                "DC5",
                 Lists.<CassandraFrameworkProtos.ExternalDc>newArrayList()
         );
 
         CassandraFrameworkProtos.RackDc rackDc = config.getDefaultRackDc();
-        assertEquals("RACK1", rackDc.getRack());
-        assertEquals("DC1", rackDc.getDc());
+        assertEquals("RACK5", rackDc.getRack());
+        assertEquals("DC5", rackDc.getDc());
 
         // backward compatibility: if rackDc is not defined - use defaults
         CassandraFrameworkConfiguration.Builder builder = CassandraFrameworkConfiguration.newBuilder(config.get());
         builder.setDefaultConfigRole(CassandraConfigRole.newBuilder(builder.getDefaultConfigRole()).clearRackDc());
         config.setValue(builder.build());
 
         rackDc = config.getDefaultRackDc();
-        assertEquals("RACK0", rackDc.getRack());
-        assertEquals("DC0", rackDc.getDc());
+        assertEquals("RAC1", rackDc.getRack());
+        assertEquals("DC1", rackDc.getDc());
     }
 }