Examples with AmbariClient com.thinkbiganalytics.servicemonitor.rest.client.ambari.AmbariClient used on opensource projects

Example 1 with AmbariClient

use of com.thinkbiganalytics.servicemonitor.rest.client.ambari.AmbariClient in project kylo by Teradata.

the class AmbariServicesStatusCheck method healthCheck.

/**
 * https://github.com/apache/ambari/blob/trunk/ambari-server/docs/api/v1/host-component-resources.md
 *
 * State 	Description                                                                          <br>
 * INIT 	The initial clean state after the component is first created.                        <br>
 * INSTALLING 	In the process of installing the component.                                  <br>
 * INSTALL_FAILED 	The component install failed.                                                <br>
 * INSTALLED 	The component has been installed successfully but is not currently running.  <br>
 * STARTING 	In the process of starting the component.                                    <br>
 * STARTED 	The component has been installed and started.                                        <br>
 * STOPPING 	In the process of stopping the component.                                    <br>
 * UNINSTALLING 	In the process of uninstalling the component.                                <br>
 * UNINSTALLED 	The component has been successfully uninstalled.                             <br>
 * WIPING_OUT 	In the process of wiping out the installed component.                        <br>
 * UPGRADING 	In the process of upgrading the component.                                   <br>
 * MAINTENANCE 	The component has been marked for maintenance.                               <br>
 * UNKNOWN 	The component state can not be determined.                                           <br>
 */
@Override
public List<ServiceStatusResponse> healthCheck() {
    List<ServiceStatusResponse> serviceStatusResponseList = new ArrayList<>();
    // Get the Map of Services and optional Components we are tracking
    Map<String, List<String>> definedServiceComponentMap = ServiceMonitorCheckUtil.getMapOfServiceAndComponents(services);
    if (definedServiceComponentMap != null && !definedServiceComponentMap.isEmpty()) {
        try {
            AmbariClient client = ambariClient;
            // get the Clusers from ambari
            List<String> clusterNames = client.getAmbariClusterNames();
            // get the Service Status from Ambari
            ServiceComponentInfoSummary response = client.getServiceComponentInfo(clusterNames, services);
            // get alert info for these services as well
            AlertSummary alertSummary = client.getAlerts(clusterNames, services);
            // Convert the Ambari Alerts to the Pipeline Controller Alert
            List<ServiceAlert> serviceAlerts = transformAmbariAlert(alertSummary);
            // Convert the Ambari ServiceComponentInfo objects to Pipeline Controller ServiceComponents
            serviceStatusResponseList = transformAmbariServiceComponents(response, serviceAlerts, definedServiceComponentMap);
        } catch (RestClientException e) {
            Throwable cause;
            if (e.getCause() != null) {
                cause = e.getCause();
            } else {
                cause = e;
            }
            ServiceComponent ambariServiceComponent = new DefaultServiceComponent.Builder("Unknown", "Ambari", "Ambari REST_CLIENT", ServiceComponent.STATE.DOWN).exception(cause).build();
            List<ServiceComponent> ambariComponents = new ArrayList<>();
            ambariComponents.add(ambariServiceComponent);
            ServiceStatusResponse serviceStatusResponse = new DefaultServiceStatusResponse(ambariServiceComponent.getServiceName(), ambariComponents);
            serviceStatusResponseList.add(serviceStatusResponse);
            // add the other services as being Warnings
            addAmbariServiceErrors(cause.getMessage(), serviceStatusResponseList, definedServiceComponentMap);
        }
    }
    return serviceStatusResponseList;
}