Examples with SystemServiceMeta io.cdap.cdap.proto.SystemServiceMeta used on opensource projects

Example 1 with SystemServiceMeta

use of io.cdap.cdap.proto.SystemServiceMeta in project cdap by caskdata.

the class MonitorClientTestRun method testAll.

@Test
public void testAll() throws Exception {
    List<SystemServiceMeta> services = monitorClient.listSystemServices();
    Assert.assertTrue(services.size() > 0);
    // check that all the system services can have their status individually retrieved
    for (SystemServiceMeta service : services) {
        Assert.assertEquals("OK", monitorClient.getSystemServiceStatus(service.getName()));
    }
    String someService = services.get(0).getName();
    List<Containers.ContainerInfo> containers = monitorClient.getSystemServiceLiveInfo(someService).getContainers();
    Assert.assertNotNull(containers);
    Assert.assertTrue(containers.isEmpty());
    Assert.assertEquals(0, monitorClient.getSystemServiceInstances(someService));
    monitorClient.setSystemServiceInstances(someService, 1);
    monitorClient.getSystemServiceInstances(someService);
    Assert.assertTrue(monitorClient.allSystemServicesOk());
}

Example 2 with SystemServiceMeta

use of io.cdap.cdap.proto.SystemServiceMeta in project cdap by caskdata.

the class MonitorHandler method getServiceSpec.

@Path("/system/services")
@GET
public void getServiceSpec(HttpRequest request, HttpResponder responder) {
    contextAccessEnforcer.enforceOnParent(EntityType.SYSTEM_SERVICE, InstanceId.SELF, StandardPermission.LIST);
    List<SystemServiceMeta> response = new ArrayList<>();
    SortedSet<String> services = new TreeSet<>(serviceManagementMap.keySet());
    List<String> serviceList = new ArrayList<>(services);
    for (String service : serviceList) {
        MasterServiceManager serviceManager = serviceManagementMap.get(service);
        if (serviceManager.isServiceEnabled()) {
            String logs = serviceManager.isLogAvailable() ? Constants.Monitor.STATUS_OK : Constants.Monitor.STATUS_NOTOK;
            String canCheck = serviceManager.isServiceAvailable() ? STATUSOK : STATUSNOTOK;
            // TODO: Add metric name for Event Rate monitoring
            response.add(new SystemServiceMeta(service, serviceManager.getDescription(), canCheck, logs, serviceManager.getMinInstances(), serviceManager.getMaxInstances(), getSystemServiceInstanceCount(service), serviceManager.getInstances()));
        }
    }
    responder.sendJson(HttpResponseStatus.OK, GSON.toJson(response));
}

Example 3 with SystemServiceMeta

use of io.cdap.cdap.proto.SystemServiceMeta in project cdap by caskdata.

the class GenerateClientUsageExample method monitorClient.

public void monitorClient() throws Exception {
    // Construct the client used to interact with CDAP
    MonitorClient monitorClient = new MonitorClient(clientConfig);
    // Fetch the list of system services
    List<SystemServiceMeta> services = monitorClient.listSystemServices();
    // Fetch status of system transaction service
    String serviceStatus = monitorClient.getSystemServiceStatus("transaction");
    // Fetch the number of instances of the system transaction service
    int systemServiceInstances = monitorClient.getSystemServiceInstances("transaction");
    // Set the number of instances of the system transaction service
    monitorClient.setSystemServiceInstances("transaction", 1);
}

Example 4 with SystemServiceMeta

use of io.cdap.cdap.proto.SystemServiceMeta in project cdap by caskdata.

the class RemoteMonitorServicesFetcher method listSystemServices.

/**
 * Lists all system services.
 *
 * @return list of {@link SystemServiceMeta}s.
 * @throws IOException              if a network error occurred
 * @throws UnauthenticatedException if the request is not authorized successfully in the gateway server
 */
public Iterable<SystemServiceMeta> listSystemServices() throws NotFoundException, IOException {
    HttpRequest.Builder requestBuilder = remoteClient.requestBuilder(HttpMethod.GET, Constants.Monitor.SYSTEM_LOG_SERVICE_URL);
    HttpResponse response;
    response = execute(requestBuilder.build());
    return ObjectResponse.fromJsonBody(response, new TypeToken<List<SystemServiceMeta>>() {
    }).getResponseObject();
}

Example 5 with SystemServiceMeta

use of io.cdap.cdap.proto.SystemServiceMeta in project cdap by caskdata.

the class MonitorClient method listSystemServices.

/**
 * Lists all system services.
 *
 * @return list of {@link SystemServiceMeta}s.
 * @throws IOException if a network error occurred
 * @throws UnauthenticatedException if the request is not authorized successfully in the gateway server
 */
public List<SystemServiceMeta> listSystemServices() throws IOException, UnauthenticatedException, UnauthorizedException {
    URL url = config.resolveURL("system/services");
    HttpResponse response = restClient.execute(HttpMethod.GET, url, config.getAccessToken());
    return ObjectResponse.fromJsonBody(response, new TypeToken<List<SystemServiceMeta>>() {
    }).getResponseObject();
}