private long installService(String clusterName, String serviceName,
                              boolean runSmokeTests, boolean reconfigureClients)
      throws Exception, AuthorizationException {
    return installService(clusterName, serviceName, runSmokeTests, reconfigureClients, null, null);
  }
Creates a Cluster object, along with its corresponding ClusterVersion based on the stack.
@param clusterName Cluster name
@throws Exception
ambari-server/src/test/java/org/apache/ambari/server/controller/AmbariManagementControllerTest.java