Examples with MasterServiceManager io.cdap.cdap.common.twill.MasterServiceManager used on opensource projects

Example 1 with MasterServiceManager

use of io.cdap.cdap.common.twill.MasterServiceManager in project cdap by caskdata.

the class MonitorHandlerAuthorizationTest method createMonitorHandler.

private static MonitorHandler createMonitorHandler(Authorizable authorizable, List<Permission> requiredPermissions) {
    Map<String, MasterServiceManager> masterServiceManagerMap = new HashMap<>();
    MasterServiceManager mockMasterServiceManager = mock(MasterServiceManager.class);
    when(mockMasterServiceManager.getInstances()).thenReturn(1);
    when(mockMasterServiceManager.isServiceEnabled()).thenReturn(true);
    when(mockMasterServiceManager.getMinInstances()).thenReturn(1);
    when(mockMasterServiceManager.getMaxInstances()).thenReturn(1);
    when(mockMasterServiceManager.setInstances(any(Integer.class))).thenReturn(true);
    masterServiceManagerMap.put(SERVICE_NAME, mockMasterServiceManager);
    ServiceStore mockServiceStore = mock(ServiceStore.class);
    InMemoryAccessController inMemoryAccessController = new InMemoryAccessController();
    inMemoryAccessController.grant(authorizable, MASTER_PRINCIPAL, Collections.unmodifiableSet(new HashSet<>(requiredPermissions)));
    AuthenticationContext authenticationContext = new AuthenticationTestContext();
    DefaultContextAccessEnforcer contextAccessEnforcer = new DefaultContextAccessEnforcer(authenticationContext, inMemoryAccessController);
    return new MonitorHandler(masterServiceManagerMap, mockServiceStore, contextAccessEnforcer);
}

Example 2 with MasterServiceManager

use of io.cdap.cdap.common.twill.MasterServiceManager in project cdap by caskdata.

the class MonitorHandler method getServiceInstance.

/**
 * Returns the number of instances of CDAP Services
 */
@Path("/system/services/{service-name}/instances")
@GET
public void getServiceInstance(HttpRequest request, HttpResponder responder, @PathParam("service-name") String serviceName) throws Exception {
    JsonObject reply = new JsonObject();
    if (!serviceManagementMap.containsKey(serviceName)) {
        throw new NotFoundException(String.format("Invalid service name %s", serviceName));
    }
    SystemServiceId systemServiceId = new SystemServiceId(serviceName);
    contextAccessEnforcer.enforce(systemServiceId, StandardPermission.GET);
    MasterServiceManager serviceManager = serviceManagementMap.get(serviceName);
    if (serviceManager.isServiceEnabled()) {
        int actualInstance = serviceManagementMap.get(serviceName).getInstances();
        reply.addProperty("provisioned", actualInstance);
        reply.addProperty("requested", getSystemServiceInstanceCount(serviceName));
        responder.sendJson(HttpResponseStatus.OK, reply.toString());
    } else {
        throw new ForbiddenException(String.format("Service %s is not enabled", serviceName));
    }
}

Example 3 with MasterServiceManager

use of io.cdap.cdap.common.twill.MasterServiceManager in project cdap by caskdata.

the class MonitorHandler method getBootStatus.

// Return the status of CDAP services in JSON format
@Path("/system/services/status")
@GET
public void getBootStatus(HttpRequest request, HttpResponder responder) {
    contextAccessEnforcer.enforceOnParent(EntityType.SYSTEM_SERVICE, InstanceId.SELF, StandardPermission.LIST);
    Map<String, String> result = new HashMap<>();
    for (String service : serviceManagementMap.keySet()) {
        MasterServiceManager masterServiceManager = serviceManagementMap.get(service);
        if (masterServiceManager.isServiceEnabled()) {
            String status = masterServiceManager.isServiceAvailable() ? STATUSOK : STATUSNOTOK;
            result.put(service, status);
        }
    }
    responder.sendJson(HttpResponseStatus.OK, GSON.toJson(result));
}

Example 4 with MasterServiceManager

use of io.cdap.cdap.common.twill.MasterServiceManager 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 5 with MasterServiceManager

use of io.cdap.cdap.common.twill.MasterServiceManager in project cdap by caskdata.

the class MonitorHandler method setServiceInstance.

/**
 * Sets the number of instances of CDAP Services
 */
@Path("/system/services/{service-name}/instances")
@PUT
@AuditPolicy(AuditDetail.REQUEST_BODY)
public void setServiceInstance(FullHttpRequest request, HttpResponder responder, @PathParam("service-name") final String serviceName) throws Exception {
    if (!serviceManagementMap.containsKey(serviceName)) {
        throw new NotFoundException(String.format("Invalid service name %s", serviceName));
    }
    SystemServiceId systemServiceId = new SystemServiceId(serviceName);
    contextAccessEnforcer.enforce(systemServiceId, StandardPermission.UPDATE);
    MasterServiceManager serviceManager = serviceManagementMap.get(serviceName);
    int instances = getInstances(request);
    if (!serviceManager.isServiceEnabled()) {
        throw new ForbiddenException(String.format("Service %s is not enabled", serviceName));
    }
    int currentInstances = getSystemServiceInstanceCount(serviceName);
    if (instances < serviceManager.getMinInstances() || instances > serviceManager.getMaxInstances()) {
        String response = String.format("Instance count should be between [%s,%s]", serviceManager.getMinInstances(), serviceManager.getMaxInstances());
        throw new BadRequestException(response);
    } else if (instances == currentInstances) {
        responder.sendStatus(HttpResponseStatus.OK);
        return;
    }
    serviceStore.setServiceInstance(serviceName, instances);
    if (serviceManager.setInstances(instances)) {
        responder.sendStatus(HttpResponseStatus.OK);
    } else {
        throw new BadRequestException("Operation did not succeed");
    }
}