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1. Add the Service to the Cluster.
   
   

   Code Block
   POST /api/v1/clusters/MyCluster/services { "ServiceInfo": { "service_name":"TESTSRV" } }

2. Add the Components to the Service. In this case, add TEST_CLIENT to TESTSRV.

   Code Block
   POST /api/v1/clusters/MyCluster/services/TESTSRV/components/TEST_CLIENT

3. Install the component on a host. For example, on the c6403.ambari.apache.org host, first create the component resource, then have Ambari install the component. This will end up calling the install() method in the command script.

   Code Block
   POST /api/v1/clusters/MyCluster/hosts/c6403.ambari.apache.org/host_components/TEST_CLIENT

   Code Block
   PUT /api/v1/clusters/MyCluster/hosts/c6403.ambari.apache.org/host_components/TEST_CLIENT { "RequestInfo":{ "context":"Install Test Srv"}, "Body":{ "HostRoles":{ "state":"INSTALLED" } } }

4. Use the following to configure the client on the host. This will end up calling the configure() method in the command script.

   Code Block
   POST /api/v1/clusters/MyCluster/requests { "RequestInfo" : { "command" : "CONFIGURE", "context" : "Config Test Srv Client" }, "Requests/resource_filters": [{ "service_name" : "TESTSRV", "component_name" : "TEST_CLIENT", "hosts" : "c6403.ambari.apache.org" }] }

5. If you want to see which hosts the component is installed.

   Code Block
   GET /api/v1/clusters/MyCluster/components/TEST_CLIENT