Examples with ClouderaRootResource com.thinkbiganalytics.servicemonitor.rest.client.cdh.ClouderaRootResource used on opensource projects

Example 1 with ClouderaRootResource

use of com.thinkbiganalytics.servicemonitor.rest.client.cdh.ClouderaRootResource in project kylo by Teradata.

the class ClouderaServicesStatusCheck method healthCheck.

@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()) {
        ClouderaRootResource rootResource;
        try {
            rootResource = clouderaClient.getClouderaResource();
            if (rootResource == null) {
                throw new Exception("The Cloudera Resource is null... It may still be trying to initialize the Rest Client.");
            }
            ApiClusterList clusters = rootResource.getPopulatedClusterList();
            for (ApiCluster cluster : clusters.getClusters()) {
                String clusterName = cluster.getName();
                List<ApiService> services = cluster.getServices();
                for (ApiService service : services) {
                    List<ServiceComponent> serviceComponents = new ArrayList<>();
                    List<ServiceAlert> alerts = new ArrayList<>();
                    String serviceName = service.getType();
                    if (definedServiceComponentMap.containsKey(serviceName)) {
                        service.getHealthSummary();
                        List<ApiHealthCheck> healthChecks = service.getHealthChecks();
                        for (ApiHealthCheck healthCheck : healthChecks) {
                            alerts.add(apiHealthCheckToServiceAlert(null, healthCheck));
                        }
                        List<ApiRole> roles = service.getRoles();
                        for (ApiRole role : roles) {
                            String roleName = role.getType();
                            role.getHealthSummary();
                            List<ApiHealthCheck> roleHealthChecks = role.getHealthChecks();
                            ServiceComponent.STATE roleState = apiRoleStateToServiceComponentState(role.getRoleState());
                            List<ServiceAlert> componentAlerts = new ArrayList<>();
                            for (ApiHealthCheck healthCheck : roleHealthChecks) {
                                ServiceAlert alert = apiHealthCheckToServiceAlert(roleName, healthCheck);
                                alerts.add(alert);
                                componentAlerts.add(alert);
                            }
                            ServiceComponent component = new DefaultServiceComponent.Builder(roleName, roleState).clusterName(clusterName).message(role.getRoleState().name()).alerts(componentAlerts).build();
                            if (definedServiceComponentMap.containsKey(serviceName) && (definedServiceComponentMap.get(serviceName).contains(ServiceMonitorCheckUtil.ALL_COMPONENTS) || definedServiceComponentMap.get(serviceName).contains(component.getName()))) {
                                serviceComponents.add(component);
                            }
                        }
                        ServiceStatusResponse serviceStatusResponse = new DefaultServiceStatusResponse(serviceName, serviceComponents, alerts);
                        serviceStatusResponseList.add(serviceStatusResponse);
                    }
                }
            }
        } catch (Exception e) {
            Throwable cause;
            if (e.getCause() != null) {
                cause = e.getCause();
            } else {
                cause = e;
            }
            ServiceComponent clouderaServiceComponent = new DefaultServiceComponent.Builder("Cloudera REST_CLIENT", ServiceComponent.STATE.DOWN).serviceName("Cloudera").clusterName("UNKNOWN").exception(cause).build();
            List<ServiceComponent> clouderaComponents = new ArrayList<>();
            clouderaComponents.add(clouderaServiceComponent);
            ServiceStatusResponse serviceStatusResponse = new DefaultServiceStatusResponse(clouderaServiceComponent.getServiceName(), clouderaComponents);
            serviceStatusResponseList.add(serviceStatusResponse);
            // add the other services as being Warnings
            addClouderaServiceErrors(cause.getMessage(), serviceStatusResponseList, definedServiceComponentMap);
        }
    }
    return serviceStatusResponseList;
}