Java tutorial
/* * JBoss, Home of Professional Open Source. * Copyright 2011, Red Hat, Inc., and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.jboss.as.test.clustering.cluster.web; import java.io.IOException; import java.net.URISyntaxException; import java.net.URL; import javax.servlet.http.HttpServletResponse; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.utils.HttpClientUtils; import org.apache.http.impl.client.DefaultHttpClient; import org.jboss.arquillian.container.test.api.OperateOnDeployment; import org.jboss.arquillian.container.test.api.RunAsClient; import org.jboss.arquillian.junit.Arquillian; import org.jboss.arquillian.test.api.ArquillianResource; import org.jboss.as.test.clustering.cluster.ClusterAbstractTestCase; import org.jboss.as.test.clustering.single.web.SimpleServlet; import org.junit.Assert; import org.junit.Test; import org.junit.runner.RunWith; /** * Test that HTTP session failover on shutdown and undeploy works. * * @author Radoslav Husar * @version Oct 2012 */ @RunWith(Arquillian.class) @RunAsClient public abstract class ClusteredWebFailoverAbstractCase extends ClusterAbstractTestCase { /** * Test simple graceful shutdown failover: * <p/> * 1/ Start 2 containers and deploy <distributable/> webapp. * 2/ Query first container creating a web session. * 3/ Shutdown first container. * 4/ Query second container verifying sessions got replicated. * 5/ Bring up the first container. * 6/ Query first container verifying that updated sessions replicated back. * * @throws IOException * @throws InterruptedException * @throws URISyntaxException */ @Test public void testGracefulSimpleFailover( @ArquillianResource(SimpleServlet.class) @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1, @ArquillianResource(SimpleServlet.class) @OperateOnDeployment(DEPLOYMENT_2) URL baseURL2) throws IOException, InterruptedException, URISyntaxException { DefaultHttpClient client = org.jboss.as.test.http.util.HttpClientUtils.relaxedCookieHttpClient(); String url1 = baseURL1.toString() + "simple"; String url2 = baseURL2.toString() + "simple"; try { HttpResponse response = client.execute(new HttpGet(url1)); try { log.info("Requested " + url1 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals(1, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Let's do this twice to have more debug info if failover is slow. response = client.execute(new HttpGet(url1)); try { log.info("Requested " + url1 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals(2, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Gracefully shutdown the 1st container. stop(CONTAINER_1); // Now check on the 2nd server // Note that this DOES rely on the fact that both servers are running on the "same" domain, // which is '127.0.0.0'. Otherwise you will have to spoof cookies. @Rado response = client.execute(new HttpGet(url2)); try { log.info("Requested " + url2 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals("Session failed to replicate after container 1 was shutdown.", 3, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Let's do one more check. response = client.execute(new HttpGet(url2)); try { log.info("Requested " + url2 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals(4, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } start(CONTAINER_1); // Lets wait for the cluster to update membership and tranfer state. response = client.execute(new HttpGet(url1)); try { log.info("Requested " + url1 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals("Session failed to replicate after container 1 was brough up.", 5, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Let's do this twice to have more debug info if failover is slow. response = client.execute(new HttpGet(url1)); try { log.info("Requested " + url1 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals(6, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } } finally { HttpClientUtils.closeQuietly(client); } } /** * Test simple undeploy failover: * <p/> * 1/ Start 2 containers and deploy <distributable/> webapp. * 2/ Query first container creating a web session. * 3/ Undeploy application from the first container. * 4/ Query second container verifying sessions got replicated. * 5/ Redeploy application to the first container. * 6/ Query first container verifying that updated sessions replicated back. * * @throws IOException * @throws InterruptedException * @throws URISyntaxException */ @Test public void testGracefulUndeployFailover( @ArquillianResource(SimpleServlet.class) @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1, @ArquillianResource(SimpleServlet.class) @OperateOnDeployment(DEPLOYMENT_2) URL baseURL2) throws IOException, InterruptedException, URISyntaxException { DefaultHttpClient client = org.jboss.as.test.http.util.HttpClientUtils.relaxedCookieHttpClient(); String url1 = baseURL1.toString() + "simple"; String url2 = baseURL2.toString() + "simple"; try { HttpResponse response = client.execute(new HttpGet(url1)); try { log.info("Requested " + url1 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals(1, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Lets do this twice to have more debug info if failover is slow. response = client.execute(new HttpGet(url1)); try { log.info("Requested " + url1 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals(2, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Gracefully undeploy from the 1st container. undeploy(DEPLOYMENT_1); // Now check on the 2nd server // Note that this DOES rely on the fact that both servers are running on the "same" domain, // which is '127.0.0.1'. Otherwise you will have to spoof cookies. @Rado response = client.execute(new HttpGet(url2)); try { log.info("Requested " + url2 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals("Session failed to replicate after container 1 was shutdown.", 3, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Lets do one more check. response = client.execute(new HttpGet(url2)); try { log.info("Requested " + url2 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals(4, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Redeploy deploy(DEPLOYMENT_1); response = client.execute(new HttpGet(url1)); try { log.info("Requested " + url1 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals("Session failed to replicate after container 1 was brough up.", 5, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } // Lets do this twice to have more debug info if failover is slow. response = client.execute(new HttpGet(url1)); try { log.info("Requested " + url1 + ", got " + response.getFirstHeader("value").getValue() + "."); Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode()); Assert.assertEquals(6, Integer.parseInt(response.getFirstHeader("value").getValue())); } finally { HttpClientUtils.closeQuietly(response); } } finally { HttpClientUtils.closeQuietly(client); } } }