org.apache.flink.runtime.metrics.NoOpMetricRegistry Java Examples

/**
 * Verifies that calling {@link MetricGroup#addGroup(String, String)} if a generic group with the key name already
 * exists goes through the generic code path.
 */
@Test
public void testNameCollisionForKeyAfterGenericGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key);
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertNull(variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertTrue("Value is missing from logical scope.", logicalScope.contains(value));
}
 

/**
 * Test which ensures that the {@link ActiveResourceManagerFactory} sets the correct managed
 * memory when creating a resource manager.
 */
@Test
public void createResourceManager_WithDefaultConfiguration_ShouldSetManagedMemory() throws Exception {
	final Configuration configuration = new Configuration();

	final TestingActiveResourceManagerFactory resourceManagerFactory = new TestingActiveResourceManagerFactory();

	final TestingRpcService rpcService = new TestingRpcService();

	try {
		final ResourceManager<ResourceID> ignored = resourceManagerFactory.createResourceManager(
			configuration,
			ResourceID.generate(),
			rpcService,
			new TestingHighAvailabilityServices(),
			new TestingHeartbeatServices(),
			NoOpMetricRegistry.INSTANCE,
			new TestingFatalErrorHandler(),
			new ClusterInformation("foobar", 1234),
			null,
			UnregisteredMetricGroups.createUnregisteredJobManagerMetricGroup());
	} finally {
		RpcUtils.terminateRpcService(rpcService, Time.seconds(10L));
	}
}
 

@Test
public void createResourceManager_WithLessMemoryThanContainerizedHeapCutoffMin_ShouldSucceed() throws Exception {
	final StandaloneResourceManagerFactory resourceManagerFactory = StandaloneResourceManagerFactory.INSTANCE;

	final TestingRpcService rpcService = new TestingRpcService();
	try {
		final Configuration configuration = new Configuration();
		configuration.setString(TaskManagerOptions.TASK_MANAGER_HEAP_MEMORY, new MemorySize(128 * 1024 * 1024).toString());
		configuration.setInteger(ResourceManagerOptions.CONTAINERIZED_HEAP_CUTOFF_MIN, 600);

		final ResourceManager<ResourceID> ignored = resourceManagerFactory.createResourceManager(
			configuration,
			ResourceID.generate(),
			rpcService,
			new TestingHighAvailabilityServices(),
			new TestingHeartbeatServices(),
			NoOpMetricRegistry.INSTANCE,
			new TestingFatalErrorHandler(),
			new ClusterInformation("foobar", 1234),
			null,
			UnregisteredMetricGroups.createUnregisteredJobManagerMetricGroup());
	} finally {
		RpcUtils.terminateRpcService(rpcService, Time.seconds(10L));
	}
}
 

private static void startTaskManager(
	Configuration configuration,
	RpcService rpcService,
	HighAvailabilityServices highAvailabilityServices
) throws Exception {

	TaskManagerRunner.startTaskManager(
		configuration,
		ResourceID.generate(),
		rpcService,
		highAvailabilityServices,
		mock(HeartbeatServices.class),
		NoOpMetricRegistry.INSTANCE,
		mock(BlobCacheService.class),
		false,
		error -> {});
}
 

/**
 * Verifies that existing key/value groups are returned when calling {@link MetricGroup#addGroup(String)}.
 */
@Test
public void testNameCollisionAfterKeyValueGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key, value);
	MetricGroup group = root.addGroup(key).addGroup(value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertEquals(value, variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertFalse("Value is present in logical scope.", logicalScope.contains(value));
}
 

/**
 * Verifies that calling {@link MetricGroup#addGroup(String, String)} if a generic group with the key and value name
 * already exists goes through the generic code path.
 */
@Test
public void testNameCollisionForKeyAndValueAfterGenericGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key).addGroup(value);
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertNull(variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertTrue("Value is missing from logical scope.", logicalScope.contains(value));
}
 

/**
 * Verifies that calling {@link MetricGroup#addGroup(String, String)} if a generic group with the key name already
 * exists goes through the generic code path.
 */
@Test
public void testNameCollisionForKeyAfterGenericGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key);
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertNull(variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertTrue("Value is missing from logical scope.", logicalScope.contains(value));
}
 

/**
 * Verifies the basic behavior when defining user-defined variables.
 */
@Test
public void testUserDefinedVariable() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertEquals(value, variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertFalse("Value is present in logical scope.", logicalScope.contains(value));
}
 

/**
 * Verifies the basic behavior when defining user-defined variables.
 */
@Test
public void testUserDefinedVariable() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertEquals(value, variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertFalse("Value is present in logical scope.", logicalScope.contains(value));
}
 

/**
 * Verifies that calling {@link MetricGroup#addGroup(String, String)} if a generic group with the key and value name
 * already exists goes through the generic code path.
 */
@Test
public void testNameCollisionForKeyAndValueAfterGenericGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key).addGroup(value);
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertNull(variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertTrue("Value is missing from logical scope.", logicalScope.contains(value));
}
 

/**
 * Verifies that existing key/value groups are returned when calling {@link MetricGroup#addGroup(String)}.
 */
@Test
public void testNameCollisionAfterKeyValueGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key, value);
	MetricGroup group = root.addGroup(key).addGroup(value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertEquals(value, variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertFalse("Value is present in logical scope.", logicalScope.contains(value));
}
 

private static void startTaskManager(
	Configuration configuration,
	RpcService rpcService,
	HighAvailabilityServices highAvailabilityServices
) throws Exception {

	TaskManagerRunner.startTaskManager(
		configuration,
		ResourceID.generate(),
		rpcService,
		highAvailabilityServices,
		mock(HeartbeatServices.class),
		NoOpMetricRegistry.INSTANCE,
		mock(BlobCacheService.class),
		false,
		error -> {});
}
 

/**
 * Verifies the basic behavior when defining user-defined variables.
 */
@Test
public void testUserDefinedVariable() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertEquals(value, variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertFalse("Value is present in logical scope.", logicalScope.contains(value));
}
 

MockResourceManagerRuntimeServices() throws Exception {
	highAvailabilityServices = new TestingHighAvailabilityServices();
	rmLeaderElectionService = new TestingLeaderElectionService();
	highAvailabilityServices.setResourceManagerLeaderElectionService(rmLeaderElectionService);
	heartbeatServices = new TestingHeartbeatServices();
	metricRegistry = NoOpMetricRegistry.INSTANCE;
	slotManager = SlotManagerBuilder.newBuilder()
		.setScheduledExecutor(new ScheduledExecutorServiceAdapter(new DirectScheduledExecutorService()))
		.setTaskManagerRequestTimeout(Time.seconds(10))
		.setSlotRequestTimeout(Time.seconds(10))
		.setTaskManagerTimeout(Time.minutes(1))
		.build();
	jobLeaderIdService = new JobLeaderIdService(
			highAvailabilityServices,
			rpcService.getScheduledExecutor(),
			Time.minutes(5L));
}
 

private static void startTaskManager(
	Configuration configuration,
	RpcService rpcService,
	HighAvailabilityServices highAvailabilityServices
) throws Exception {

	TaskManagerRunner.startTaskManager(
		configuration,
		ResourceID.generate(),
		rpcService,
		highAvailabilityServices,
		new TestingHeartbeatServices(),
		NoOpMetricRegistry.INSTANCE,
		new BlobCacheService(
			configuration,
			new VoidBlobStore(),
			null),
		false,
		ExternalResourceInfoProvider.NO_EXTERNAL_RESOURCES,
		error -> {});
}
 

/**
 * Verifies that existing key/value groups are returned when calling {@link MetricGroup#addGroup(String)}.
 */
@Test
public void testNameCollisionAfterKeyValueGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key, value);
	MetricGroup group = root.addGroup(key).addGroup(value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertEquals(value, variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertFalse("Value is present in logical scope.", logicalScope.contains(value));
}
 

/**
 * Verifies that calling {@link MetricGroup#addGroup(String, String)} if a generic group with the key name already
 * exists goes through the generic code path.
 */
@Test
public void testNameCollisionForKeyAfterGenericGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key);
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertNull(variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertTrue("Value is missing from logical scope.", logicalScope.contains(value));
}
 

/**
 * Verifies that calling {@link MetricGroup#addGroup(String, String)} if a generic group with the key and value name
 * already exists goes through the generic code path.
 */
@Test
public void testNameCollisionForKeyAndValueAfterGenericGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key = "key";
	String value = "value";

	root.addGroup(key).addGroup(value);
	MetricGroup group = root.addGroup(key, value);

	String variableValue = group.getAllVariables().get(ScopeFormat.asVariable("key"));
	assertNull(variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key is missing from metric identifier.", identifier.contains("key"));
	assertTrue("Value is missing from metric identifier.", identifier.contains("value"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key is missing from logical scope.", logicalScope.contains(key));
	assertTrue("Value is missing from logical scope.", logicalScope.contains(value));
}
 

@Test
public void testGetAllVariablesWithOutExclusions() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;

	AbstractMetricGroup<?> group = new ProcessMetricGroup(registry, "host");
	assertThat(group.getAllVariables(), IsMapContaining.hasKey(ScopeFormat.SCOPE_HOST));
}
 

private StandaloneResourceManager createAndStartResourceManager(LeaderElectionService rmLeaderElectionService, FatalErrorHandler fatalErrorHandler) throws Exception {
	TestingHighAvailabilityServices highAvailabilityServices = new TestingHighAvailabilityServices();
	HeartbeatServices heartbeatServices = new HeartbeatServices(1000L, HEARTBEAT_TIMEOUT);
	highAvailabilityServices.setResourceManagerLeaderElectionService(rmLeaderElectionService);

	SlotManager slotManager = SlotManagerBuilder.newBuilder()
		.setScheduledExecutor(rpcService.getScheduledExecutor())
		.build();

	JobLeaderIdService jobLeaderIdService = new JobLeaderIdService(
		highAvailabilityServices,
		rpcService.getScheduledExecutor(),
		Time.minutes(5L));

	StandaloneResourceManager resourceManager =
		new StandaloneResourceManager(
			rpcService,
			ResourceManager.RESOURCE_MANAGER_NAME + UUID.randomUUID(),
			resourceManagerResourceID,
			highAvailabilityServices,
			heartbeatServices,
			slotManager,
			NoOpMetricRegistry.INSTANCE,
			jobLeaderIdService,
			new ClusterInformation("localhost", 1234),
			fatalErrorHandler,
			UnregisteredMetricGroups.createUnregisteredJobManagerMetricGroup());

	resourceManager.start();

	return resourceManager;
}
 

private ResourceManager<?> createAndStartResourceManager() throws Exception {
	ResourceID rmResourceId = ResourceID.generate();

	HeartbeatServices heartbeatServices = new HeartbeatServices(1000L, 1000L);

	JobLeaderIdService jobLeaderIdService = new JobLeaderIdService(
		haServices,
		rpcService.getScheduledExecutor(),
		Time.minutes(5L));

	final SlotManager slotManager = SlotManagerBuilder.newBuilder()
		.setScheduledExecutor(rpcService.getScheduledExecutor())
		.build();

	ResourceManager<?> resourceManager = new StandaloneResourceManager(
		rpcService,
		ResourceManager.RESOURCE_MANAGER_NAME,
		rmResourceId,
		haServices,
		heartbeatServices,
		slotManager,
		NoOpMetricRegistry.INSTANCE,
		jobLeaderIdService,
		new ClusterInformation("localhost", 1234),
		testingFatalErrorHandler,
		UnregisteredMetricGroups.createUnregisteredJobManagerMetricGroup(),
		Time.minutes(5L));

	resourceManager.start();

	return resourceManager;
}
 

private TestingResourceManager createAndStartResourceManager(HeartbeatServices heartbeatServices) throws Exception {
	final SlotManager slotManager = SlotManagerBuilder.newBuilder()
		.setScheduledExecutor(rpcService.getScheduledExecutor())
		.build();
	final JobLeaderIdService jobLeaderIdService = new JobLeaderIdService(
		highAvailabilityServices,
		rpcService.getScheduledExecutor(),
		TestingUtils.infiniteTime());

	final TestingResourceManager resourceManager = new TestingResourceManager(
		rpcService,
		ResourceManager.RESOURCE_MANAGER_NAME + UUID.randomUUID(),
		resourceManagerResourceId,
		highAvailabilityServices,
		heartbeatServices,
		slotManager,
		NoOpMetricRegistry.INSTANCE,
		jobLeaderIdService,
		testingFatalErrorHandler,
		UnregisteredMetricGroups.createUnregisteredJobManagerMetricGroup());

	resourceManager.start();

	// first make the ResourceManager the leader
	resourceManagerId = ResourceManagerId.generate();
	resourceManagerLeaderElectionService.isLeader(resourceManagerId.toUUID()).get();

	return resourceManager;
}
 

public MockResourceManagerRuntimeServices(RpcService rpcService, Time timeout, SlotManager slotManager) {
	this.rpcService = checkNotNull(rpcService);
	this.timeout = checkNotNull(timeout);
	this.slotManager = slotManager;
	highAvailabilityServices = new TestingHighAvailabilityServices();
	rmLeaderElectionService = new TestingLeaderElectionService();
	highAvailabilityServices.setResourceManagerLeaderElectionService(rmLeaderElectionService);
	heartbeatServices = new TestingHeartbeatServices();
	metricRegistry = NoOpMetricRegistry.INSTANCE;
	jobLeaderIdService = new JobLeaderIdService(
		highAvailabilityServices,
		rpcService.getScheduledExecutor(),
		Time.minutes(5L));
}
 

private StandaloneResourceManager createAndStartResourceManager(LeaderElectionService rmLeaderElectionService, FatalErrorHandler fatalErrorHandler) throws Exception {
	TestingHighAvailabilityServices highAvailabilityServices = new TestingHighAvailabilityServices();
	HeartbeatServices heartbeatServices = new HeartbeatServices(1000L, HEARTBEAT_TIMEOUT);
	highAvailabilityServices.setResourceManagerLeaderElectionService(rmLeaderElectionService);

	SlotManager slotManager = SlotManagerBuilder.newBuilder()
		.setScheduledExecutor(rpcService.getScheduledExecutor())
		.build();

	JobLeaderIdService jobLeaderIdService = new JobLeaderIdService(
		highAvailabilityServices,
		rpcService.getScheduledExecutor(),
		Time.minutes(5L));

	StandaloneResourceManager resourceManager =
		new StandaloneResourceManager(
			rpcService,
			ResourceManager.RESOURCE_MANAGER_NAME + UUID.randomUUID(),
			resourceManagerResourceID,
			highAvailabilityServices,
			heartbeatServices,
			slotManager,
			NoOpMetricRegistry.INSTANCE,
			jobLeaderIdService,
			new ClusterInformation("localhost", 1234),
			fatalErrorHandler,
			UnregisteredMetricGroups.createUnregisteredJobManagerMetricGroup(),
			Time.minutes(5L));

	resourceManager.start();

	return resourceManager;
}
 

private TestingResourceManager createAndStartResourceManager(HeartbeatServices heartbeatServices) throws Exception {
	final SlotManager slotManager = SlotManagerBuilder.newBuilder()
		.setScheduledExecutor(rpcService.getScheduledExecutor())
		.build();
	final JobLeaderIdService jobLeaderIdService = new JobLeaderIdService(
		highAvailabilityServices,
		rpcService.getScheduledExecutor(),
		TestingUtils.infiniteTime());

	final TestingResourceManager resourceManager = new TestingResourceManager(
		rpcService,
		ResourceManager.RESOURCE_MANAGER_NAME + UUID.randomUUID(),
		resourceManagerResourceId,
		highAvailabilityServices,
		heartbeatServices,
		slotManager,
		NoOpMetricRegistry.INSTANCE,
		jobLeaderIdService,
		testingFatalErrorHandler,
		UnregisteredMetricGroups.createUnregisteredJobManagerMetricGroup());

	resourceManager.start();

	// first make the ResourceManager the leader
	resourceManagerId = ResourceManagerId.generate();
	resourceManagerLeaderElectionService.isLeader(resourceManagerId.toUUID()).get();

	return resourceManager;
}
 

@Test
public void testGetAllVariablesWithExclusions() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;

	AbstractMetricGroup<?> group = new ProcessMetricGroup(registry, "host");
	assertEquals(group.getAllVariables(-1, Collections.singleton(ScopeFormat.SCOPE_HOST)).size(), 0);
}
 

/**
 * Verifies that calling {@link MetricGroup#addGroup(String, String)} on a {@link GenericKeyMetricGroup} goes
 * through the generic code path.
 */
@Test
public void testUserDefinedVariableOnKeyGroup() {
	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

	String key1 = "key1";
	String value1 = "value1";
	root.addGroup(key1, value1);

	String key2 = "key2";
	String value2 = "value2";
	MetricGroup group = root.addGroup(key1).addGroup(key2, value2);

	String variableValue = group.getAllVariables().get("value2");
	assertNull(variableValue);

	String identifier = group.getMetricIdentifier("metric");
	assertTrue("Key1 is missing from metric identifier.", identifier.contains("key1"));
	assertTrue("Key2 is missing from metric identifier.", identifier.contains("key2"));
	assertTrue("Value2 is missing from metric identifier.", identifier.contains("value2"));

	String logicalScope = ((AbstractMetricGroup) group).getLogicalScope(new DummyCharacterFilter());
	assertTrue("Key1 is missing from logical scope.", logicalScope.contains(key1));
	assertTrue("Key2 is missing from logical scope.", logicalScope.contains(key2));
	assertTrue("Value2 is missing from logical scope.", logicalScope.contains(value2));
}
 

private ResourceManager<?> createAndStartResourceManager() throws Exception {
	ResourceID rmResourceId = ResourceID.generate();

	HeartbeatServices heartbeatServices = new HeartbeatServices(1000L, 1000L);

	JobLeaderIdService jobLeaderIdService = new JobLeaderIdService(
		haServices,
		rpcService.getScheduledExecutor(),
		Time.minutes(5L));

	final SlotManager slotManager = SlotManagerBuilder.newBuilder()
		.setScheduledExecutor(rpcService.getScheduledExecutor())
		.build();

	ResourceManager<?> resourceManager = new StandaloneResourceManager(
		rpcService,
		ResourceManager.RESOURCE_MANAGER_NAME,
		rmResourceId,
		haServices,
		heartbeatServices,
		slotManager,
		NoOpMetricRegistry.INSTANCE,
		jobLeaderIdService,
		new ClusterInformation("localhost", 1234),
		testingFatalErrorHandler,
		UnregisteredMetricGroups.createUnregisteredJobManagerMetricGroup());

	resourceManager.start();

	return resourceManager;
}
 

@Test
public void testRegisterMetricGroup() {
	MetricKey key = MetricKey.create("step", MetricName.named(DEFAULT_NAMESPACE, "name"));

	MetricRegistry registry = NoOpMetricRegistry.INSTANCE;
	GenericMetricGroup root = new GenericMetricGroup(
		registry,
		new MetricGroupTest.DummyAbstractMetricGroup(registry),
		"root");
	MetricGroup metricGroup = FlinkMetricContainer.registerMetricGroup(key, root);

	assertThat(metricGroup.getScopeComponents(), is(Arrays.asList("root", "key", "value").toArray()));
}
 

public static FlinkMetricContainer createMockFlinkMetricContainer() {
	return new FlinkMetricContainer(
		new GenericMetricGroup(
			NoOpMetricRegistry.INSTANCE,
			new MetricGroupTest.DummyAbstractMetricGroup(NoOpMetricRegistry.INSTANCE),
			"root"));
}