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1. Code Block
   language python title Show all clusters in Ambari firstline 1 linenumbers true
   all_clusters = client.get_all_clusters() print all_clusters.to_json_dict() print all_clusters

2. Code Block
   language python title Show all hosts in Ambari firstline 1 linenumbers true
   all_hosts = client.get_all_hosts() print all_hosts print all_hosts.to_json_dict() print"\n"

Get metrics

1. Code Block
   language python title get cpu-metrics of service component TASKTRACKER firstline 1 linenumbers true
   mr = mycluster.get_service("MAPREDUCE") mr_comp1 = mr.get_service_component('TASKTRACKER') metric_json = mr_comp1.get_metrics() print metric_json["metrics"]["cpu"] print"\n"

2. Code Block
   language python title get cpu-metrics from a host which has component NAMENODE firstline 1 linenumbers true
   host1 = mycluster.get_host('host1') nn = host1.get_host_component("NAMENODE") metric_json = nn.get_metrics() print metric_json["metrics"]["cpu"] print"\n"

Create & configure cluster

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