RoleCommand.START, new ServiceComponentHostStartEvent("HBASE_MASTER",
"host2", now, new HashMap<String, String>()), "cluster1", "HBASE");
stage.addHostRoleExecutionCommand("host3", Role.ZOOKEEPER_SERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("ZOOKEEPER_SERVER",
"host3", now, new HashMap<String, String>()), "cluster1", "ZOOKEEPER");
stage.addHostRoleExecutionCommand("host4", Role.DATANODE,
RoleCommand.START, new ServiceComponentHostStartEvent("DATANODE",
"host4", now, new HashMap<String, String>()), "cluster1", "HDFS");
stage.addHostRoleExecutionCommand("host4", Role.HBASE_REGIONSERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("HBASE_REGIONSERVER",
"host4", now, new HashMap<String, String>()), "cluster1", "HBASE");