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*
* This software is distributed in the hope that it will be useful,
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* Lesser General Public License for more details.
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* License along with this software; if not, write to the Free
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package org.jboss.as.test.clustering.tunnel.singleton;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import javax.servlet.http.HttpServletResponse;
import org.apache.http.Header;
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.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.ClusterHttpClientUtil;
import org.jboss.as.test.clustering.ClusterTestUtil;
import org.jboss.as.test.clustering.cluster.ClusterAbstractTestCase;
import org.jboss.as.test.clustering.cluster.singleton.service.NodeService;
import org.jboss.as.test.clustering.cluster.singleton.service.NodeServiceServlet;
import org.jboss.msc.service.ServiceActivator;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.jgroups.stack.GossipRouter;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test case for BZ-1190029.
* <p/>
* This test creates a cluster of two nodes running two singleton services. Communication between the clusters is then
* disabled, so the cluster splits, and then enabled again so the two partition merges. After the merge, each service
* is supposed to have only one provider.
*
* @author Tomas Hofman
*/
@RunWith(Arquillian.class)
@RunAsClient
public class SingletonTunnelTestCase extends ClusterAbstractTestCase {
private static final long TOPOLOGY_CHANGE_TIMEOUT = 75000; // maximum time in ms to wait for cluster topology change
private static final String CONTAINER = "singleton";
@Deployment(name = DEPLOYMENT_1, managed = false, testable = false)
@TargetsContainer(CONTAINER_1)
public static Archive<?> deployment0() {
return createDeployment();
}
@Deployment(name = DEPLOYMENT_2, managed = false, testable = false)
@TargetsContainer(CONTAINER_2)
public static Archive<?> deployment1() {
return createDeployment();
}
private static GossipRouter gossipRouter = null;
private static Archive<?> createDeployment() {
WebArchive war = ShrinkWrap.create(WebArchive.class, "singleton.war");
war.addPackage(NodeService.class.getPackage());
war.addClass(SingletonServiceActivator.class);
war.addAsServiceProvider(ServiceActivator.class, SingletonServiceActivator.class);
ClusterTestUtil.addTopologyListenerDependencies(war);
return war;
}
@Override
@Before
@RunAsClient
public void beforeTestMethod() {
startGossipRouter();
super.beforeTestMethod();
}
@Override
@Before
@RunAsClient
public void afterTestMethod() {
super.afterTestMethod();
stopGossipRouter();
}
@Test
public void testSingletonService(
@ArquillianResource() @OperateOnDeployment(DEPLOYMENT_1) URL baseURL1,
@ArquillianResource() @OperateOnDeployment(DEPLOYMENT_2) URL baseURL2)
throws IOException, URISyntaxException {
// URLs look like "http://IP:PORT/singleton/service"
URI serviceANode1Uri = NodeServiceServlet.createURI(baseURL1, SingletonServiceActivator.SERVICE_A_NAME);
URI serviceANode2Uri = NodeServiceServlet.createURI(baseURL2, SingletonServiceActivator.SERVICE_A_NAME);
URI serviceBNode1Uri = NodeServiceServlet.createURI(baseURL1, SingletonServiceActivator.SERVICE_B_NAME);
URI serviceBNode2Uri = NodeServiceServlet.createURI(baseURL2, SingletonServiceActivator.SERVICE_B_NAME);
log.trace("URLs are:\n" + serviceANode1Uri
+ "\n" + serviceANode2Uri
+ "\n" + serviceBNode1Uri
+ "\n" + serviceBNode2Uri);
// 1. Gossip router is started, both services should have a single provider
waitForView(baseURL1, NODE_1, NODE_2);
// check service A
checkSingletonNode(serviceANode1Uri, SingletonServiceActivator.SERVICE_A_PREFERRED_NODE);
checkSingletonNode(serviceANode2Uri, SingletonServiceActivator.SERVICE_A_PREFERRED_NODE);
// check service B
checkSingletonNode(serviceBNode1Uri, SingletonServiceActivator.SERVICE_B_PREFERRED_NODE);
checkSingletonNode(serviceBNode2Uri, SingletonServiceActivator.SERVICE_B_PREFERRED_NODE);
// 2. Stop gossip router, cluster splits and each partition should have it's own provider
stopGossipRouter();
log.trace("Waiting for establishing a view.");
waitForView(baseURL1, NODE_1);
waitForView(baseURL2, NODE_2);
// check service A
checkSingletonNode(serviceANode1Uri, NODE_1);
checkSingletonNode(serviceANode2Uri, NODE_2);
// check service B
checkSingletonNode(serviceBNode1Uri, NODE_1);
checkSingletonNode(serviceBNode2Uri, NODE_2);
// 3. Start gossip router. After merge, each service is supposed to have a single provider again.
startGossipRouter();
waitForView(baseURL1, NODE_1, NODE_2);
// check service A
checkSingletonNode(serviceANode1Uri, SingletonServiceActivator.SERVICE_A_PREFERRED_NODE);
checkSingletonNode(serviceANode2Uri, SingletonServiceActivator.SERVICE_A_PREFERRED_NODE);
// check service B
checkSingletonNode(serviceBNode1Uri, SingletonServiceActivator.SERVICE_B_PREFERRED_NODE);
checkSingletonNode(serviceBNode2Uri, SingletonServiceActivator.SERVICE_B_PREFERRED_NODE);
// 4. Stop gossip router again. Each node should start the service again. This verifies WFLY-4748.
stopGossipRouter();
waitForView(baseURL1, NODE_1);
waitForView(baseURL2, NODE_2);
// check service A
checkSingletonNode(serviceANode1Uri, NODE_1);
checkSingletonNode(serviceANode2Uri, NODE_2);
// check service B
checkSingletonNode(serviceBNode1Uri, NODE_1);
checkSingletonNode(serviceBNode2Uri, NODE_2);
}
private static void checkSingletonNode(URI serviceUri, String expectedProviderNode) throws IOException {
String node = getSingletonNode(serviceUri);
Assert.assertEquals("Expected different provider node.", expectedProviderNode, node);
}
private static String getSingletonNode(URI serviceUri) throws IOException {
CloseableHttpClient client = org.jboss.as.test.http.util.TestHttpClientUtils.promiscuousCookieHttpClient();
HttpResponse response = client.execute(new HttpGet(serviceUri));
try {
Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
Header header = response.getFirstHeader("node");
Assert.assertNotNull("No provider detected.", header);
return header.getValue();
} finally {
HttpClientUtils.closeQuietly(response);
HttpClientUtils.closeQuietly(client);
}
}
private static void waitForView(URL baseURL, String... members) throws IOException, URISyntaxException {
ClusterHttpClientUtil.establishTopology(baseURL, CONTAINER, "default", TOPOLOGY_CHANGE_TIMEOUT, members);
try {
Thread.sleep(5000); // it takes a little extra time after merge for the singleton service to migrate
} catch (InterruptedException e) {
Assert.fail("Interrupted.");
}
}
private static void startGossipRouter() {
log.trace("Starting gossip router.");
try {
String address = System.getProperty("node0");
if (address == null || address.trim().isEmpty()) {
address = "127.0.0.1";
}
if (gossipRouter == null) {
log.trace("Assigning address " + address + " to gossip router.");
gossipRouter = new GossipRouter(address, 12001);
}
gossipRouter.start();
} catch (Exception e) {
log.error("Caught exception: ", e);
Assert.fail("Couldn't start GossipRouter: " + e.getMessage());
}
}
private static void stopGossipRouter() {
log.trace("Stopping gossip router.");
if (gossipRouter != null) {
gossipRouter.stop();
}
}
}