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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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package org.apache.brooklyn.core.server.entity;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.sensor.AttributeSensor;
import org.apache.brooklyn.api.sensor.SensorEventListener;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.core.entity.factory.ApplicationBuilder;
import org.apache.brooklyn.core.location.SimulatedLocation;
import org.apache.brooklyn.core.server.entity.BrooklynMetrics;
import org.apache.brooklyn.core.test.entity.LocalManagementContextForTests;
import org.apache.brooklyn.core.test.entity.TestApplication;
import org.apache.brooklyn.core.test.entity.TestApplicationNoEnrichersImpl;
import org.apache.brooklyn.core.test.entity.TestEntity;
import org.apache.brooklyn.core.test.entity.TestEntityNoEnrichersImpl;
import org.apache.brooklyn.test.Asserts;
import org.apache.brooklyn.util.collections.MutableMap;
import org.apache.brooklyn.util.time.Duration;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.collect.ImmutableList;
public class BrooklynMetricsTest {
private static final long TIMEOUT_MS = 2*1000;
private final static int NUM_SUBSCRIPTIONS_PER_ENTITY = 4;
TestApplication app;
SimulatedLocation loc;
BrooklynMetrics brooklynMetrics;
@BeforeMethod(alwaysRun=true)
public void setUp() {
loc = new SimulatedLocation();
app = ApplicationBuilder.newManagedApp(EntitySpec.create(TestApplication.class, TestApplicationNoEnrichersImpl.class),
LocalManagementContextForTests.newInstance());
brooklynMetrics = app.createAndManageChild(EntitySpec.create(BrooklynMetrics.class).configure("updatePeriod", 10L));
}
@AfterMethod(alwaysRun=true)
public void tearDown() throws Exception {
if (app != null) Entities.destroyAll(app.getManagementContext());
}
@Test
public void testInitialBrooklynMetrics() {
app.start(ImmutableList.of(loc));
Asserts.succeedsEventually(MutableMap.of("timeout", Duration.FIVE_SECONDS), new Runnable() {
public void run() {
assertEquals(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_EFFECTORS_INVOKED), (Long)1L);
assertTrue(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_TASKS_SUBMITTED) > 0);
assertEquals(brooklynMetrics.getAttribute(BrooklynMetrics.NUM_INCOMPLETE_TASKS), (Long)0L);
assertEquals(brooklynMetrics.getAttribute(BrooklynMetrics.NUM_ACTIVE_TASKS), (Long)0L);
assertTrue(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_EVENTS_PUBLISHED) > 0);
assertEquals(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_EVENTS_DELIVERED), (Long)0L);
assertEquals(brooklynMetrics.getAttribute(BrooklynMetrics.NUM_SUBSCRIPTIONS), (Long)(0L+NUM_SUBSCRIPTIONS_PER_ENTITY));
}});
}
@Test
public void testBrooklynMetricsIncremented() {
TestEntity e = app.createAndManageChild(EntitySpec.create(TestEntity.class, TestEntityNoEnrichersImpl.class));
app.start(ImmutableList.of(loc));
Asserts.succeedsEventually(MutableMap.of("timeout", Duration.FIVE_SECONDS), new Runnable() {
public void run() {
assertEquals(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_EFFECTORS_INVOKED), (Long)2L); // for app and testEntity's start
}});
// Note if attribute has not yet been set, the value returned could be null
final long effsInvoked = getAttribute(brooklynMetrics, BrooklynMetrics.TOTAL_EFFECTORS_INVOKED, 0);
final long tasksSubmitted = getAttribute(brooklynMetrics, BrooklynMetrics.TOTAL_TASKS_SUBMITTED, 0);
final long eventsPublished = getAttribute(brooklynMetrics, BrooklynMetrics.TOTAL_EVENTS_PUBLISHED, 0);
final long eventsDelivered = getAttribute(brooklynMetrics, BrooklynMetrics.TOTAL_EVENTS_DELIVERED, 0);
// Invoking an effector increments effector/task count
e.myEffector();
Asserts.succeedsEventually(new Runnable() {
public void run() {
assertEquals(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_EFFECTORS_INVOKED), (Long)(effsInvoked+1));
assertTrue(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_TASKS_SUBMITTED) > tasksSubmitted);
}});
// Setting attribute causes event to be published and delivered to the subscriber
// Note that the brooklyn metrics entity itself is also publishing sensors
app.subscriptions().subscribe(e, TestEntity.SEQUENCE, SensorEventListener.NOOP);
e.sensors().set(TestEntity.SEQUENCE, 1);
Asserts.succeedsEventually(MutableMap.of("timeout", Duration.FIVE_SECONDS), new Runnable() {
public void run() {
assertTrue(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_EVENTS_PUBLISHED) > eventsPublished);
assertTrue(brooklynMetrics.getAttribute(BrooklynMetrics.TOTAL_EVENTS_DELIVERED) > eventsDelivered);
assertEquals(brooklynMetrics.getAttribute(BrooklynMetrics.NUM_SUBSCRIPTIONS), (Long)
(1L + NUM_SUBSCRIPTIONS_PER_ENTITY));
}});
}
private long getAttribute(Entity entity, AttributeSensor<Long> attribute, long defaultVal) {
Long result = entity.getAttribute(attribute);
return (result != null) ? result : defaultVal;
}
}