Config config2 = cf.createNew(cluster, "core-site",
new HashMap<String, String>(){{ put("key1", "value1"); }});
config2.setVersionTag("version1");
cluster.addConfig(config1);
cluster.addConfig(config2);
cluster.addDesiredConfig("_test", config1);
cluster.addDesiredConfig("_test", config2);
Service hdfs = cluster.addService("HDFS");
Service mapReduce = cluster.addService("MAPREDUCE");