/*
* 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 static org.jboss.as.test.clustering.ClusterTestUtil.waitForReplication;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import javax.servlet.http.HttpServletResponse;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.HttpClientUtils;
import org.apache.http.impl.client.CloseableHttpClient;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.container.test.api.OperateOnDeployment;
import org.jboss.arquillian.container.test.api.RunAsClient;
import org.jboss.arquillian.container.test.api.TargetsContainer;
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.Mutable;
import org.jboss.as.test.clustering.single.web.SimpleServlet;
import org.jboss.as.test.http.util.TestHttpClientUtils;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Validate that <distributable/> works for a two-node cluster.
*
* @author Paul Ferraro
* @author Radoslav Husar
*/
@RunWith(Arquillian.class)
@RunAsClient
public class DistributableTestCase extends ClusterAbstractTestCase {
private static final int REQUEST_DURATION = 10000;
@Deployment(name = DEPLOYMENT_1, managed = false)
@TargetsContainer(CONTAINER_1)
public static Archive<?> deployment0() {
return getDeployment();
}
@Deployment(name = DEPLOYMENT_2, managed = false)
@TargetsContainer(CONTAINER_2)
public static Archive<?> deployment1() {
return getDeployment();
}
private static Archive<?> getDeployment() {
WebArchive war = ShrinkWrap.create(WebArchive.class, "distributable.war");
war.addClasses(SimpleServlet.class, Mutable.class);
war.setWebXML(DistributableTestCase.class.getPackage(), "web.xml");
return war;
}
@Test
@OperateOnDeployment(DEPLOYMENT_1)
public void testSerialized(@ArquillianResource(SimpleServlet.class) URL baseURL) throws IOException, URISyntaxException {
// returns the URL of the deployment (http://127.0.0.1:8180/distributable)
URI uri = SimpleServlet.createURI(baseURL);
try (CloseableHttpClient client = TestHttpClientUtils.promiscuousCookieHttpClient()) {
HttpResponse response = client.execute(new HttpGet(uri));
try {
Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
Assert.assertEquals(1, Integer.parseInt(response.getFirstHeader("value").getValue()));
Assert.assertFalse(Boolean.valueOf(response.getFirstHeader("serialized").getValue()));
} finally {
HttpClientUtils.closeQuietly(response);
}
response = client.execute(new HttpGet(uri));
try {
Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
Assert.assertEquals(2, Integer.parseInt(response.getFirstHeader("value").getValue()));
// This won't be true unless we have somewhere to which to replicate
Assert.assertTrue(Boolean.valueOf(response.getFirstHeader("serialized").getValue()));
} finally {
HttpClientUtils.closeQuietly(response);
}
}
}
@Test
@OperateOnDeployment(DEPLOYMENT_2) // For change, operate on the 2nd deployment first
public void testSessionReplication(
@ArquillianResource(SimpleServlet.class) @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1,
@ArquillianResource(SimpleServlet.class) @OperateOnDeployment(DEPLOYMENT_2) URL baseURL2)
throws IOException, URISyntaxException {
URI url1 = SimpleServlet.createURI(baseURL1);
URI url2 = SimpleServlet.createURI(baseURL2);
try (CloseableHttpClient client = TestHttpClientUtils.promiscuousCookieHttpClient()) {
HttpResponse response = client.execute(new HttpGet(url1));
try {
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 {
Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
Assert.assertEquals(2, Integer.parseInt(response.getFirstHeader("value").getValue()));
} finally {
HttpClientUtils.closeQuietly(response);
}
// Lets wait for the session to replicate
waitForReplication(GRACE_TIME_TO_REPLICATE);
// Now check on the 2nd server
response = client.execute(new HttpGet(url2));
try {
Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
Assert.assertEquals(3, Integer.parseInt(response.getFirstHeader("value").getValue()));
} finally {
HttpClientUtils.closeQuietly(response);
}
// Lets do one more check.
response = client.execute(new HttpGet(url2));
try {
Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
Assert.assertEquals(4, Integer.parseInt(response.getFirstHeader("value").getValue()));
} finally {
HttpClientUtils.closeQuietly(response);
}
}
}
/**
* Test that a session is gracefully served when a clustered application is undeployed.
*/
@Test
public void testGracefulServeOnUndeploy(
@ArquillianResource(SimpleServlet.class) @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1)
throws Exception {
this.testGracefulServe(baseURL1, new RedeployLifecycle());
}
/**
* Test that a session is gracefully served when clustered AS instanced is shutdown.
*/
@Test
public void testGracefulServeOnShutdown(
@ArquillianResource(SimpleServlet.class) @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1)
throws Exception {
this.testGracefulServe(baseURL1, new RestartLifecycle());
}
private void testGracefulServe(URL baseURL, Lifecycle lifecycle) throws URISyntaxException, IOException, InterruptedException {
try (CloseableHttpClient client = TestHttpClientUtils.promiscuousCookieHttpClient()) {
URI uri = SimpleServlet.createURI(baseURL);
// Make sure a normal request will succeed
HttpResponse response = client.execute(new HttpGet(uri));
try {
Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
} finally {
HttpClientUtils.closeQuietly(response);
}
// Send a long request - in parallel
URI longRunningURI = SimpleServlet.createURI(baseURL, REQUEST_DURATION);
ExecutorService executor = Executors.newSingleThreadExecutor();
Future<HttpResponse> future = executor.submit(new RequestTask(client, longRunningURI));
// Make sure long request has started
Thread.sleep(1000);
lifecycle.stop(NODE_1);
// Get result of long request
// This request should succeed since it initiated before server shutdown
try {
response = future.get();
try {
Assert.assertEquals("Request should succeed since it initiated before undeply or shutdown.",
HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
} finally {
HttpClientUtils.closeQuietly(response);
}
} catch (ExecutionException e) {
e.printStackTrace(System.err);
Assert.fail(e.getCause().getMessage());
}
}
}
/**
* Request task to request a long running URL and then undeploy / shutdown the server.
*/
private class RequestTask implements Callable<HttpResponse> {
private final HttpClient client;
private final URI uri;
RequestTask(HttpClient client, URI uri) {
this.client = client;
this.uri = uri;
}
@Override
public HttpResponse call() throws Exception {
return this.client.execute(new HttpGet(this.uri));
}
}
}