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

@Test
public void testGenerateScopeCustom() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_TM, "abc");
	cfg.setString(MetricOptions.SCOPE_NAMING_TM_JOB, "def");
	cfg.setString(MetricOptions.SCOPE_NAMING_TASK, "<tm_id>.<job_id>.<task_id>.<task_attempt_id>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();
	JobVertexID vertexId = new JobVertexID();
	AbstractID executionId = new AbstractID();

	TaskManagerMetricGroup tmGroup = new TaskManagerMetricGroup(registry, "theHostName", "test-tm-id");
	TaskManagerJobMetricGroup jmGroup = new TaskManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");
	TaskMetricGroup taskGroup = new TaskMetricGroup(
			registry, jmGroup, vertexId, executionId, "aTaskName", 13, 2);

	assertArrayEquals(
			new String[]{"test-tm-id", jid.toString(), vertexId.toString(), executionId.toString()},
			taskGroup.getScopeComponents());

	assertEquals(
			String.format("test-tm-id.%s.%s.%s.name", jid, vertexId, executionId),
			taskGroup.getMetricIdentifier("name"));
	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustom() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_TM, "abc");
	cfg.setString(MetricOptions.SCOPE_NAMING_TM_JOB, "def");
	cfg.setString(MetricOptions.SCOPE_NAMING_TASK, "<tm_id>.<job_id>.<task_id>.<task_attempt_id>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();
	JobVertexID vertexId = new JobVertexID();
	AbstractID executionId = new AbstractID();

	TaskManagerMetricGroup tmGroup = new TaskManagerMetricGroup(registry, "theHostName", "test-tm-id");
	TaskManagerJobMetricGroup jmGroup = new TaskManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");
	TaskMetricGroup taskGroup = new TaskMetricGroup(
			registry, jmGroup, vertexId, executionId, "aTaskName", 13, 2);

	assertArrayEquals(
			new String[]{"test-tm-id", jid.toString(), vertexId.toString(), executionId.toString()},
			taskGroup.getScopeComponents());

	assertEquals(
			String.format("test-tm-id.%s.%s.%s.name", jid, vertexId, executionId),
			taskGroup.getMetricIdentifier("name"));
	registry.shutdown().get();
}
 

@Test
public void testOperatorNameTruncation() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_OPERATOR, ScopeFormat.SCOPE_OPERATOR_NAME);
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));
	TaskManagerMetricGroup tm = new TaskManagerMetricGroup(registry, "host", "id");
	TaskManagerJobMetricGroup job = new TaskManagerJobMetricGroup(registry, tm, new JobID(), "jobname");
	TaskMetricGroup taskMetricGroup = new TaskMetricGroup(registry, job, new JobVertexID(), new AbstractID(), "task", 0, 0);

	String originalName = new String(new char[100]).replace("\0", "-");
	OperatorMetricGroup operatorMetricGroup = taskMetricGroup.getOrAddOperator(originalName);

	String storedName = operatorMetricGroup.getScopeComponents()[0];
	Assert.assertEquals(TaskMetricGroup.METRICS_OPERATOR_NAME_MAX_LENGTH, storedName.length());
	Assert.assertEquals(originalName.substring(0, TaskMetricGroup.METRICS_OPERATOR_NAME_MAX_LENGTH), storedName);
	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustom() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_TM, "abc");
	cfg.setString(MetricOptions.SCOPE_NAMING_TM_JOB, "some-constant.<job_name>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	TaskManagerMetricGroup tmGroup = new TaskManagerMetricGroup(registry, "theHostName", "test-tm-id");
	JobMetricGroup jmGroup = new TaskManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "some-constant", "myJobName" },
			jmGroup.getScopeComponents());

	assertEquals(
			"some-constant.myJobName.name",
			jmGroup.getMetricIdentifier("name"));
	registry.shutdown().get();
}
 

@Test
public void testScopeGenerationWithoutReporters() throws Exception {
	Configuration config = new Configuration();
	config.setString(MetricOptions.SCOPE_NAMING_TM, "A.B.C.D");
	MetricRegistryImpl testRegistry = new MetricRegistryImpl(
		MetricRegistryConfiguration.fromConfiguration(config));

	try {
		TaskManagerMetricGroup group = new TaskManagerMetricGroup(testRegistry, "host", "id");
		assertEquals("MetricReporters list should be empty", 0, testRegistry.getReporters().size());

		// default delimiter should be used
		assertEquals("A.B.X.D.1", group.getMetricIdentifier("1", FILTER_C));
		// no caching should occur
		assertEquals("A.X.C.D.1", group.getMetricIdentifier("1", FILTER_B));
		// invalid reporter indices do not throw errors
		assertEquals("A.X.C.D.1", group.getMetricIdentifier("1", FILTER_B, -1));
		assertEquals("A.X.C.D.1", group.getMetricIdentifier("1", FILTER_B, 2));
	} finally {
		testRegistry.shutdown().get();
	}
}
 

/**
 * Verifies that calling {@link AbstractMetricGroup#getLogicalScope(CharacterFilter, char, int)} on {@link GenericValueMetricGroup}
 * should ignore value as well.
 */
@Test
public void testLogicalScopeShouldIgnoreValueGroupName() throws Exception {
	Configuration config = new Configuration();
	config.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test." + ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, TestReporter.class.getName());

	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(config));
	try {
		GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

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

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

		String logicalScope = ((AbstractMetricGroup) group)
			.getLogicalScope(new DummyCharacterFilter(), registry.getDelimiter(), 0);
		assertThat("Key is missing from logical scope.", logicalScope, containsString(key));
		assertThat("Value is present in logical scope.", logicalScope, not(containsString(value)));
	} finally {
		registry.shutdown().get();
	}
}
 

@Test
public void testLogicalScopeCachingForMultipleReporters() throws Exception {
	MetricRegistryImpl testRegistry = new MetricRegistryImpl(
		MetricRegistryConfiguration.defaultMetricRegistryConfiguration(),
		Arrays.asList(
			ReporterSetup.forReporter("test1", new LogicalScopeReporter1()),
			ReporterSetup.forReporter("test2", new LogicalScopeReporter2())));
	try {
		MetricGroup tmGroup = new TaskManagerMetricGroup(testRegistry, "host", "id")
			.addGroup("B")
			.addGroup("C");
		tmGroup.counter("1");
		assertEquals("Reporters were not properly instantiated", 2, testRegistry.getReporters().size());
		for (MetricReporter reporter : testRegistry.getReporters()) {
			ScopeCheckingTestReporter typedReporter = (ScopeCheckingTestReporter) reporter;
			if (typedReporter.failureCause != null) {
				throw typedReporter.failureCause;
			}
		}
	} finally {
		testRegistry.shutdown().get();
	}
}
 

@BeforeClass
public static void setUp() {
	TestUtils.addTestAppenderForRootLogger();

	Configuration configuration = new Configuration();
	configuration.setString(MetricOptions.SCOPE_NAMING_TASK, "<host>.<tm_id>.<job_name>");

	registry = new MetricRegistryImpl(
		MetricRegistryConfiguration.fromConfiguration(configuration),
		Collections.singletonList(ReporterSetup.forReporter("slf4j", new Slf4jReporter())));
	delimiter = registry.getDelimiter();

	taskMetricGroup = new TaskManagerMetricGroup(registry, HOST_NAME, TASK_MANAGER_ID)
		.addTaskForJob(new JobID(), JOB_NAME, new JobVertexID(), new ExecutionAttemptID(), TASK_NAME, 0, 0);
	reporter = (Slf4jReporter) registry.getReporters().get(0);
}
 

@Test
public void testGenerateScopeWilcard() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_TASK, "*.<task_attempt_id>.<subtask_index>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	AbstractID executionId = new AbstractID();

	TaskManagerMetricGroup tmGroup = new TaskManagerMetricGroup(registry, "theHostName", "test-tm-id");
	TaskManagerJobMetricGroup jmGroup = new TaskManagerJobMetricGroup(registry, tmGroup, new JobID(), "myJobName");

	TaskMetricGroup taskGroup = new TaskMetricGroup(
			registry, jmGroup, new JobVertexID(), executionId, "aTaskName", 13, 1);

	assertArrayEquals(
			new String[]{"theHostName", "taskmanager", "test-tm-id", "myJobName", executionId.toString(), "13"},
			taskGroup.getScopeComponents());

	assertEquals(
			"theHostName.taskmanager.test-tm-id.myJobName." + executionId + ".13.name",
			taskGroup.getMetricIdentifier("name"));
	registry.shutdown().get();
}
 

@Test
public void testCloseClosesAll() throws Exception {
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.defaultMetricRegistryConfiguration());
	final JobManagerMetricGroup group = new JobManagerMetricGroup(registry, "localhost");

	final JobID jid1 = new JobID();
	final JobID jid2 = new JobID();

	final String jobName1 = "testjob";
	final String jobName2 = "anotherJob";

	JobManagerJobMetricGroup jmJobGroup11 = group.addJob(new JobGraph(jid1, jobName1));
	JobManagerJobMetricGroup jmJobGroup21 = group.addJob(new JobGraph(jid2, jobName2));

	group.close();

	assertTrue(jmJobGroup11.isClosed());
	assertTrue(jmJobGroup21.isClosed());

	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustomWildcard() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_TM, "peter.<tm_id>");
	cfg.setString(MetricOptions.SCOPE_NAMING_TM_JOB, "*.some-constant.<job_id>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	TaskManagerMetricGroup tmGroup = new TaskManagerMetricGroup(registry, "theHostName", "test-tm-id");
	JobMetricGroup jmGroup = new TaskManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "peter", "test-tm-id", "some-constant", jid.toString() },
			jmGroup.getScopeComponents());

	assertEquals(
			"peter.test-tm-id.some-constant." + jid + ".name",
			jmGroup.getMetricIdentifier("name"));
	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustom() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_JM, "abc");
	cfg.setString(MetricOptions.SCOPE_NAMING_JM_JOB, "some-constant.<job_name>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	JobManagerMetricGroup tmGroup = new JobManagerMetricGroup(registry, "theHostName");
	JobMetricGroup jmGroup = new JobManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "some-constant", "myJobName" },
			jmGroup.getScopeComponents());

	assertEquals(
			"some-constant.myJobName.name",
			jmGroup.getMetricIdentifier("name"));

	registry.shutdown().get();
}
 

/**
 * Verifies that when attempting to create a group with the name of an existing one the existing one will be returned instead.
 */
@Test
public void testDuplicateGroupName() throws Exception {
	Configuration config = new Configuration();

	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(config));

	MetricGroup root = new TaskManagerMetricGroup(registry, "host", "id");

	MetricGroup group1 = root.addGroup("group");
	MetricGroup group2 = root.addGroup("group");
	MetricGroup group3 = root.addGroup("group");
	Assert.assertTrue(group1 == group2 && group2 == group3);

	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeDefault() throws Exception {
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.defaultMetricRegistryConfiguration());

	JobManagerMetricGroup tmGroup = new JobManagerMetricGroup(registry, "theHostName");
	JobMetricGroup jmGroup = new JobManagerJobMetricGroup(registry, tmGroup, new JobID(), "myJobName");

	assertArrayEquals(
			new String[] { "theHostName", "jobmanager", "myJobName"},
			jmGroup.getScopeComponents());

	assertEquals(
			"theHostName.jobmanager.myJobName.name",
			jmGroup.getMetricIdentifier("name"));

	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustomWildcard() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_JM, "peter");
	cfg.setString(MetricOptions.SCOPE_NAMING_JM_JOB, "*.some-constant.<job_id>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	JobManagerMetricGroup tmGroup = new JobManagerMetricGroup(registry, "theHostName");
	JobMetricGroup jmGroup = new JobManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "peter", "some-constant", jid.toString() },
			jmGroup.getScopeComponents());

	assertEquals(
			"peter.some-constant." + jid + ".name",
			jmGroup.getMetricIdentifier("name"));

	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustom() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_JM, "abc");
	cfg.setString(MetricOptions.SCOPE_NAMING_JM_JOB, "some-constant.<job_name>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	JobManagerMetricGroup tmGroup = new JobManagerMetricGroup(registry, "theHostName");
	JobMetricGroup jmGroup = new JobManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "some-constant", "myJobName" },
			jmGroup.getScopeComponents());

	assertEquals(
			"some-constant.myJobName.name",
			jmGroup.getMetricIdentifier("name"));

	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustomWildcard() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_JM, "peter");
	cfg.setString(MetricOptions.SCOPE_NAMING_JM_JOB, "*.some-constant.<job_id>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	JobManagerMetricGroup tmGroup = new JobManagerMetricGroup(registry, "theHostName");
	JobMetricGroup jmGroup = new JobManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "peter", "some-constant", jid.toString() },
			jmGroup.getScopeComponents());

	assertEquals(
			"peter.some-constant." + jid + ".name",
			jmGroup.getMetricIdentifier("name"));

	registry.shutdown().get();
}
 

@Test
public void testLogicalScopeCachingForMultipleReporters() throws Exception {
	Configuration config = new Configuration();
	config.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test1." + ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, LogicalScopeReporter1.class.getName());
	config.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test2." + ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, LogicalScopeReporter2.class.getName());

	MetricRegistryImpl testRegistry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(config));
	try {
		MetricGroup tmGroup = new TaskManagerMetricGroup(testRegistry, "host", "id")
			.addGroup("B")
			.addGroup("C");
		tmGroup.counter("1");
		assertEquals("Reporters were not properly instantiated", 2, testRegistry.getReporters().size());
		for (MetricReporter reporter : testRegistry.getReporters()) {
			ScopeCheckingTestReporter typedReporter = (ScopeCheckingTestReporter) reporter;
			if (typedReporter.failureCause != null) {
				throw typedReporter.failureCause;
			}
		}
	} finally {
		testRegistry.shutdown().get();
	}
}
 

/**
 * Verifies that when attempting to create a group with the name of an existing one the existing one will be returned instead.
 */
@Test
public void testDuplicateGroupName() throws Exception {
	Configuration config = new Configuration();

	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(config));

	MetricGroup root = new TaskManagerMetricGroup(registry, "host", "id");

	MetricGroup group1 = root.addGroup("group");
	MetricGroup group2 = root.addGroup("group");
	MetricGroup group3 = root.addGroup("group");
	Assert.assertTrue(group1 == group2 && group2 == group3);

	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustom() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_JM, "abc");
	cfg.setString(MetricOptions.SCOPE_NAMING_JM_JOB, "some-constant.<job_name>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	JobManagerMetricGroup tmGroup = new JobManagerMetricGroup(registry, "theHostName");
	JobMetricGroup jmGroup = new JobManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "some-constant", "myJobName" },
			jmGroup.getScopeComponents());

	assertEquals(
			"some-constant.myJobName.name",
			jmGroup.getMetricIdentifier("name"));

	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustomWildcard() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_JM, "peter");
	cfg.setString(MetricOptions.SCOPE_NAMING_JM_JOB, "*.some-constant.<job_id>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	JobManagerMetricGroup tmGroup = new JobManagerMetricGroup(registry, "theHostName");
	JobMetricGroup jmGroup = new JobManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "peter", "some-constant", jid.toString() },
			jmGroup.getScopeComponents());

	assertEquals(
			"peter.some-constant." + jid + ".name",
			jmGroup.getMetricIdentifier("name"));

	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeDefault() throws Exception {
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.defaultMetricRegistryConfiguration());

	JobManagerMetricGroup tmGroup = new JobManagerMetricGroup(registry, "theHostName");
	JobMetricGroup jmGroup = new JobManagerJobMetricGroup(registry, tmGroup, new JobID(), "myJobName");

	assertArrayEquals(
			new String[] { "theHostName", "jobmanager", "myJobName"},
			jmGroup.getScopeComponents());

	assertEquals(
			"theHostName.jobmanager.myJobName.name",
			jmGroup.getMetricIdentifier("name"));

	registry.shutdown().get();
}
 

/**
 * Verifies that when attempting to create a group with the name of an existing one the existing one will be returned instead.
 */
@Test
public void testDuplicateGroupName() throws Exception {
	Configuration config = new Configuration();

	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(config));

	MetricGroup root = new TaskManagerMetricGroup(registry, "host", "id");

	MetricGroup group1 = root.addGroup("group");
	MetricGroup group2 = root.addGroup("group");
	MetricGroup group3 = root.addGroup("group");
	Assert.assertTrue(group1 == group2 && group2 == group3);

	registry.shutdown().get();
}
 

@BeforeClass
public static void setUp() {
	TestUtils.addTestAppenderForRootLogger();

	Configuration configuration = new Configuration();
	configuration.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "slf4j." +
		ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, Slf4jReporter.class.getName());
	configuration.setString(MetricOptions.SCOPE_NAMING_TASK, "<host>.<tm_id>.<job_name>");

	registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(configuration));
	delimiter = registry.getDelimiter();

	taskMetricGroup = new TaskManagerMetricGroup(registry, HOST_NAME, TASK_MANAGER_ID)
		.addTaskForJob(new JobID(), JOB_NAME, new JobVertexID(), new ExecutionAttemptID(), TASK_NAME, 0, 0);
	reporter = (Slf4jReporter) registry.getReporters().get(0);
}
 

@Test
public void testGenerateScopeCustomWildcard() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_TM, "peter.<tm_id>");
	cfg.setString(MetricOptions.SCOPE_NAMING_TM_JOB, "*.some-constant.<job_id>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();

	TaskManagerMetricGroup tmGroup = new TaskManagerMetricGroup(registry, "theHostName", "test-tm-id");
	JobMetricGroup jmGroup = new TaskManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");

	assertArrayEquals(
			new String[] { "peter", "test-tm-id", "some-constant", jid.toString() },
			jmGroup.getScopeComponents());

	assertEquals(
			"peter.test-tm-id.some-constant." + jid + ".name",
			jmGroup.getMetricIdentifier("name"));
	registry.shutdown().get();
}
 

/**
 * Verifies that calling {@link AbstractMetricGroup#getLogicalScope(CharacterFilter, char, int)} on {@link GenericValueMetricGroup}
 * should ignore value as well.
 */
@Test
public void testLogicalScopeShouldIgnoreValueGroupName() throws Exception {
	Configuration config = new Configuration();
	config.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test." + ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, TestReporter.class.getName());

	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(config));
	try {
		GenericMetricGroup root = new GenericMetricGroup(registry, new DummyAbstractMetricGroup(registry), "root");

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

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

		String logicalScope = ((AbstractMetricGroup) group)
			.getLogicalScope(new DummyCharacterFilter(), registry.getDelimiter(), 0);
		assertThat("Key is missing from logical scope.", logicalScope, containsString(key));
		assertThat("Value is present in logical scope.", logicalScope, not(containsString(value)));
	} finally {
		registry.shutdown().get();
	}
}
 

@Test
public void testGenerateScopeWilcard() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_TASK, "*.<task_attempt_id>.<subtask_index>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	AbstractID executionId = new AbstractID();

	TaskManagerMetricGroup tmGroup = new TaskManagerMetricGroup(registry, "theHostName", "test-tm-id");
	TaskManagerJobMetricGroup jmGroup = new TaskManagerJobMetricGroup(registry, tmGroup, new JobID(), "myJobName");

	TaskMetricGroup taskGroup = new TaskMetricGroup(
			registry, jmGroup, new JobVertexID(), executionId, "aTaskName", 13, 1);

	assertArrayEquals(
			new String[]{"theHostName", "taskmanager", "test-tm-id", "myJobName", executionId.toString(), "13"},
			taskGroup.getScopeComponents());

	assertEquals(
			"theHostName.taskmanager.test-tm-id.myJobName." + executionId + ".13.name",
			taskGroup.getMetricIdentifier("name"));
	registry.shutdown().get();
}
 

@Test
public void testGenerateScopeCustom() throws Exception {
	Configuration cfg = new Configuration();
	cfg.setString(MetricOptions.SCOPE_NAMING_TM, "abc");
	cfg.setString(MetricOptions.SCOPE_NAMING_TM_JOB, "def");
	cfg.setString(MetricOptions.SCOPE_NAMING_TASK, "<tm_id>.<job_id>.<task_id>.<task_attempt_id>");
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.fromConfiguration(cfg));

	JobID jid = new JobID();
	JobVertexID vertexId = new JobVertexID();
	AbstractID executionId = new AbstractID();

	TaskManagerMetricGroup tmGroup = new TaskManagerMetricGroup(registry, "theHostName", "test-tm-id");
	TaskManagerJobMetricGroup jmGroup = new TaskManagerJobMetricGroup(registry, tmGroup, jid, "myJobName");
	TaskMetricGroup taskGroup = new TaskMetricGroup(
			registry, jmGroup, vertexId, executionId, "aTaskName", 13, 2);

	assertArrayEquals(
			new String[]{"test-tm-id", jid.toString(), vertexId.toString(), executionId.toString()},
			taskGroup.getScopeComponents());

	assertEquals(
			String.format("test-tm-id.%s.%s.%s.name", jid, vertexId, executionId),
			taskGroup.getMetricIdentifier("name"));
	registry.shutdown().get();
}
 

@Test
public void testCloseClosesAll() throws Exception {
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.defaultMetricRegistryConfiguration());
	final JobManagerMetricGroup group = new JobManagerMetricGroup(registry, "localhost");

	final JobID jid1 = new JobID();
	final JobID jid2 = new JobID();

	final String jobName1 = "testjob";
	final String jobName2 = "anotherJob";

	JobManagerJobMetricGroup jmJobGroup11 = group.addJob(new JobGraph(jid1, jobName1));
	JobManagerJobMetricGroup jmJobGroup21 = group.addJob(new JobGraph(jid2, jobName2));

	group.close();

	assertTrue(jmJobGroup11.isClosed());
	assertTrue(jmJobGroup21.isClosed());

	registry.shutdown().get();
}
 

@Test
public void testCloseClosesAll() throws Exception {
	MetricRegistryImpl registry = new MetricRegistryImpl(MetricRegistryConfiguration.defaultMetricRegistryConfiguration());
	final JobManagerMetricGroup group = new JobManagerMetricGroup(registry, "localhost");

	final JobID jid1 = new JobID();
	final JobID jid2 = new JobID();

	final String jobName1 = "testjob";
	final String jobName2 = "anotherJob";

	JobManagerJobMetricGroup jmJobGroup11 = group.addJob(new JobGraph(jid1, jobName1));
	JobManagerJobMetricGroup jmJobGroup21 = group.addJob(new JobGraph(jid2, jobName2));

	group.close();

	assertTrue(jmJobGroup11.isClosed());
	assertTrue(jmJobGroup21.isClosed());

	registry.shutdown().get();
}