| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * 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 |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.brooklyn.qa.longevity.webcluster; |
| |
| import java.util.List; |
| |
| import org.apache.brooklyn.api.entity.EntitySpec; |
| import org.apache.brooklyn.api.sensor.AttributeSensor; |
| import org.apache.brooklyn.api.sensor.EnricherSpec; |
| import org.apache.brooklyn.core.entity.AbstractApplication; |
| import org.apache.brooklyn.core.entity.Entities; |
| import org.apache.brooklyn.core.entity.StartableApplication; |
| import org.apache.brooklyn.core.internal.BrooklynProperties; |
| import org.apache.brooklyn.core.sensor.Sensors; |
| import org.apache.brooklyn.enricher.stock.Enrichers; |
| import org.apache.brooklyn.entity.proxy.nginx.NginxController; |
| import org.apache.brooklyn.entity.webapp.ControlledDynamicWebAppCluster; |
| import org.apache.brooklyn.entity.webapp.jboss.JBoss7Server; |
| import org.apache.brooklyn.launcher.BrooklynLauncher; |
| import org.apache.brooklyn.policy.autoscaling.AutoScalerPolicy; |
| import org.apache.brooklyn.util.CommandLineUtil; |
| |
| import com.google.common.collect.Lists; |
| |
| public class WebClusterApp extends AbstractApplication { |
| |
| static BrooklynProperties config = BrooklynProperties.Factory.newDefault(); |
| |
| public static final String WAR_PATH = "classpath://hello-world.war"; |
| |
| private static final long loadCyclePeriodMs = 2 * 60 * 1000L; |
| |
| @Override |
| public void initApp() { |
| final AttributeSensor<Double> sinusoidalLoad = |
| Sensors.newDoubleSensor("brooklyn.qa.sinusoidalLoad", "Sinusoidal server load"); |
| AttributeSensor<Double> averageLoad = |
| Sensors.newDoubleSensor("brooklyn.qa.averageLoad", "Average load in cluster"); |
| |
| NginxController nginxController = addChild(EntitySpec.create(NginxController.class) |
| // .configure("domain", "webclusterexample.brooklyn.local") |
| .configure("port", "8000+")); |
| |
| EntitySpec<JBoss7Server> jbossSpec = EntitySpec.create(JBoss7Server.class) |
| .configure("httpPort", "8080+") |
| .configure("war", WAR_PATH) |
| .enricher(EnricherSpec.create(SinusoidalLoadGenerator.class) |
| .configure(SinusoidalLoadGenerator.TARGET, sinusoidalLoad) |
| .configure(SinusoidalLoadGenerator.PUBLISH_PERIOD_MS, 500L) |
| .configure(SinusoidalLoadGenerator.SIN_PERIOD_MS, loadCyclePeriodMs) |
| .configure(SinusoidalLoadGenerator.SIN_AMPLITUDE, 1d)); |
| |
| ControlledDynamicWebAppCluster web = addChild(EntitySpec.create(ControlledDynamicWebAppCluster.class) |
| .displayName("WebApp cluster") |
| .configure("controller", nginxController) |
| .configure("initialSize", 1) |
| .configure("memberSpec", jbossSpec)); |
| |
| web.getCluster().enrichers().add(Enrichers.builder() |
| .aggregating(sinusoidalLoad) |
| .publishing(averageLoad) |
| .fromMembers() |
| .computingAverage() |
| .build()); |
| web.getCluster().policies().add(AutoScalerPolicy.builder() |
| .metric(averageLoad) |
| .sizeRange(1, 3) |
| .metricRange(0.3, 0.7) |
| .buildSpec()); |
| } |
| |
| public static void main(String[] argv) { |
| List<String> args = Lists.newArrayList(argv); |
| String port = CommandLineUtil.getCommandLineOption(args, "--port", "8081+"); |
| String location = CommandLineUtil.getCommandLineOption(args, "--location", "localhost"); |
| |
| BrooklynLauncher launcher = BrooklynLauncher.newInstance() |
| .application(EntitySpec.create(StartableApplication.class, WebClusterApp.class).displayName("Brooklyn WebApp Cluster example")) |
| .webconsolePort(port) |
| .location(location) |
| .start(); |
| |
| Entities.dumpInfo(launcher.getApplications()); |
| } |
| } |