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We can also get the information of a specific cluster

1. Code Block
   language python title Show a specific cluster in Ambari firstline 1 linenumbers true
   mycluster = client.get_cluster('cluster1') print mycluster print mycluster.to_json_dict() print"\n"

   Tip
   mycluster is a ClusterModel object which has many useful methods.

2. Code Block
   language python title Show all hosts in the cluster firstline 1 linenumbers true
   clusters_hosts = mycluster.get_all_hosts() print clusters_hosts.to_json_dict() print clusters_hosts print"\n"

3. Code Block
   language python title Show a specific host in the cluster firstline 1 linenumbers true
   host1 = mycluster.get_host('host1') print host1 print host1.clusterRef.cluster_name print host1.to_json_dict() print"\n"

4. Code Block
   language python title Show all components of a host firstline 1 linenumbers true
   host1_comp = host1.get_host_components() print host1_comp print host1_comp.to_json_dict() print"\n"

5. Code Block
   language python title Show a specific service of a cluster firstline 1 linenumbers true
   nn = host1.get_host_component("NAMENODE") print nn print nn.to_json_dict() print nn.clusterRef.cluster_name print"\n"

6. Code Block
   language python title Show all services in the cluster firstline 1 linenumbers true
   serviceList = mycluster.get_all_services() print serviceList print serviceList.to_json_dict() print"\n"

7. Code Block
   language python title Show a specific service of a cluster firstline 1 linenumbers true
   ganglia = mycluster.get_service("GANGLIA") print ganglia print ganglia.to_json_dict() print"\n"

8. Code Block
   language python title Show all components of a service firstline 1 linenumbers true
   ganglia_comps = ganglia.get_service_components() print ganglia_comps print ganglia_comps.to_json_dict() print"\n"

9. Code Block
   language python title Show a specific component of a service firstline 1 linenumbers true
   ganglia_comp1 = ganglia.get_service_component('GANGLIA_MONITOR') print ganglia_comp1 print ganglia_comp1.to_json_dict() print ganglia_comp1.clusterRef.cluster_name print"\n"

10. Code Block
    language python title Stop a service firstline 1 linenumbers true
    ganglia.stop()

11. Code Block
    language python title Satrt a service firstline 1 linenumbers true
    ganglia.start()