THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
WARNING: The client library is still in the works and not production ready.
Ambari python client can be used make use of Ambari APIs.
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from ambari_client.ambari_api import AmbariClient headers_dict={'X-Requested-By':'mycompany'} #Ambari needs X-Requested-By header client = AmbariClient("localhost", 8080, "admin", "admin", version=1,http_header=headers_dict) print client.version print client.host_url print"\n" |
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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
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"
We can also get the information of a specific cluster
Code Block language python title Show a specific cluster in Ambari firstline 1 linenumbers true cluster = client.get_cluster('cluster1') print cluster print cluster.to_json_dict() print"\n"
Code Block language python title Show all hosts in the cluster firstline 1 linenumbers true clusters_hosts = cluster.get_all_hosts() print clusters_hosts.to_json_dict() print clusters_hosts print"\n"
Code Block language python title Show a specific host in the cluster firstline 1 linenumbers true host1 = cluster.get_host('host1') print host1 print host1.clusterRef.cluster_name print host1.to_json_dict() print"\n"
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"
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"
Code Block language python title Show all services in the cluster firstline 1 linenumbers true serviceList = cluster.get_all_services() print serviceList print serviceList.to_json_dict() print"\n"
Code Block language python title Show a specific service of a cluster firstline 1 linenumbers true ganglia = cluster.get_service("GANGLIA") print ganglia print ganglia.to_json_dict() print"\n"
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"
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"
Code Block language python title Stop a service firstline 1 linenumbers true ganglia.stop()
Code Block language python title Satrt a service firstline 1 linenumbers true ganglia.start()
Get metrics
Code Block language python title get cpu-metrics of service component TASKTRACKER firstline 1 linenumbers true mr = cluster.get_service("MAPREDUCE") mr_comp1 = mr.get_service_component('TASKTRACKER') metric_json = mr_comp1.get_metrics() print metric_json["metrics"]["cpu"] print"\n"
Code Block language python title get cpu-metrics from a host which has component NAMENODE firstline 1 linenumbers true host1 = cluster.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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