/*
* 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.entity.proxy.nginx;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import java.util.Collections;
import java.util.List;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.entity.Group;
import org.apache.brooklyn.api.location.Location;
import org.apache.brooklyn.api.mgmt.EntityManager;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.core.entity.trait.Startable;
import org.apache.brooklyn.core.location.PortRanges;
import org.apache.brooklyn.core.test.BrooklynAppLiveTestSupport;
import org.apache.brooklyn.entity.group.BasicGroup;
import org.apache.brooklyn.entity.group.DynamicCluster;
import org.apache.brooklyn.entity.proxy.LoadBalancerCluster;
import org.apache.brooklyn.entity.webapp.JavaWebAppService;
import org.apache.brooklyn.entity.webapp.jboss.JBoss7Server;
import org.apache.brooklyn.test.Asserts;
import org.apache.brooklyn.test.EntityTestUtils;
import org.apache.brooklyn.test.HttpTestUtils;
import org.apache.brooklyn.test.support.TestResourceUnavailableException;
import org.apache.brooklyn.util.collections.MutableMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
/**
* Test the operation of the {@link NginxController} class.
*/
public class NginxClusterIntegrationTest extends BrooklynAppLiveTestSupport {
@SuppressWarnings("unused")
private static final Logger log = LoggerFactory.getLogger(NginxClusterIntegrationTest.class);
private static final long TIMEOUT_MS = 60*1000;
private Location localhostProvisioningLoc;
private EntityManager entityManager;
private LoadBalancerCluster loadBalancerCluster;
private EntitySpec<NginxController> nginxSpec;
private Group urlMappings;
@BeforeMethod(alwaysRun=true)
@Override
public void setUp() throws Exception {
super.setUp();
localhostProvisioningLoc = app.newLocalhostProvisioningLocation();
urlMappings = app.createAndManageChild(EntitySpec.create(BasicGroup.class)
.configure("childrenAsMembers", true));
entityManager = app.getManagementContext().getEntityManager();
nginxSpec = EntitySpec.create(NginxController.class);
}
public String getTestWar() {
TestResourceUnavailableException.throwIfResourceUnavailable(getClass(), "/hello-world.war");
return "classpath://hello-world.war";
}
@Test(groups = "Integration")
public void testCreatesNginxInstancesAndResizes() {
loadBalancerCluster = app.createAndManageChild(EntitySpec.create(LoadBalancerCluster.class)
.configure(LoadBalancerCluster.MEMBER_SPEC, nginxSpec)
.configure("initialSize", 1)
.configure(NginxController.DOMAIN_NAME, "localhost"));
app.start(ImmutableList.of(localhostProvisioningLoc));
assertEquals(findNginxs().size(), 1);
assertNginxsResponsiveEvenutally(findNginxs());
// Resize load-balancer cluster
loadBalancerCluster.resize(2);
assertEquals(findNginxs().size(), 2);
assertNoDuplicates(findNginxRootUrls());
assertNginxsResponsiveEvenutally(findNginxs());
}
@Test(groups = "Integration")
public void testNginxInstancesConfiguredWithServerPool() {
DynamicCluster serverPool = app.createAndManageChild(EntitySpec.create(DynamicCluster.class)
.configure(DynamicCluster.MEMBER_SPEC, EntitySpec.create(JBoss7Server.class))
.configure("initialSize", 1)
.configure(JavaWebAppService.ROOT_WAR, getTestWar()));
loadBalancerCluster = app.createAndManageChild(EntitySpec.create(LoadBalancerCluster.class)
.configure("serverPool", serverPool)
.configure(LoadBalancerCluster.MEMBER_SPEC, nginxSpec)
.configure("initialSize", 1)
.configure(NginxController.DOMAIN_NAME, "localhost"));
app.start(ImmutableList.of(localhostProvisioningLoc));
assertEquals(findNginxs().size(), 1);
String hostname = "localhost";
List<String> pathsFor200 = ImmutableList.of(""); // i.e. app deployed at root
assertNginxsResponsiveEvenutally(findNginxs(), hostname, pathsFor200);
}
@Test(groups = "Integration")
public void testNginxInstancesConfiguredWithUrlMappings() {
DynamicCluster c1 = app.createAndManageChild(EntitySpec.create(DynamicCluster.class)
.configure(DynamicCluster.MEMBER_SPEC, EntitySpec.create(JBoss7Server.class))
.configure("initialSize", 1)
.configure(JavaWebAppService.NAMED_WARS, ImmutableList.of(getTestWar())));
UrlMapping urlMapping = urlMappings.addChild(EntitySpec.create(UrlMapping.class)
.configure("domain", "localhost")
.configure("path", "/hello-world($|/.*)")
.configure("target", c1));
loadBalancerCluster = app.createAndManageChild(EntitySpec.create(LoadBalancerCluster.class)
.configure("urlMappings", urlMappings)
.configure(LoadBalancerCluster.MEMBER_SPEC, nginxSpec)
.configure("initialSize", 1));
app.start(ImmutableList.of(localhostProvisioningLoc));
assertEquals(findNginxs().size(), 1);
String hostname = "localhost";
List<String> pathsFor200 = ImmutableList.of("hello-world", "hello-world/");
assertNginxsResponsiveEvenutally(findNginxs(), hostname, pathsFor200);
}
@Test(groups = "Integration")
public void testClusterIsUpIffHasChildLoadBalancer() {
// Note the up-quorum-check behaves different for initialSize==0 (if explicit value not given):
// it would accept a size==0 as being serviceUp=true. Therefore don't do that!
loadBalancerCluster = app.createAndManageChild(EntitySpec.create(LoadBalancerCluster.class)
.configure(LoadBalancerCluster.MEMBER_SPEC, nginxSpec)
.configure("initialSize", 1)
.configure(NginxController.DOMAIN_NAME, "localhost"));
app.start(ImmutableList.of(localhostProvisioningLoc));
EntityTestUtils.assertAttributeEqualsContinually(loadBalancerCluster, Startable.SERVICE_UP, true);
loadBalancerCluster.resize(0);
EntityTestUtils.assertAttributeEqualsEventually(loadBalancerCluster, Startable.SERVICE_UP, false);
loadBalancerCluster.resize(1);
EntityTestUtils.assertAttributeEqualsEventually(loadBalancerCluster, Startable.SERVICE_UP, true);
}
// Warning: test is a little brittle for if a previous run leaves something on these required ports
@Test(groups = "Integration")
public void testConfiguresNginxInstancesWithInheritedPortConfig() {
loadBalancerCluster = app.createAndManageChild(EntitySpec.create(LoadBalancerCluster.class)
.configure(LoadBalancerCluster.MEMBER_SPEC, nginxSpec)
.configure("initialSize", 1)
.configure(NginxController.DOMAIN_NAME, "localhost")
.configure(NginxController.PROXY_HTTP_PORT, PortRanges.fromString("8765+")));
app.start(ImmutableList.of(localhostProvisioningLoc));
NginxController nginx1 = Iterables.getOnlyElement(findNginxs());
loadBalancerCluster.resize(2);
NginxController nginx2 = Iterables.getOnlyElement(Iterables.filter(findNginxs(),
Predicates.not(Predicates.in(ImmutableList.of(nginx1)))));
assertEquals((int) nginx1.getAttribute(NginxController.PROXY_HTTP_PORT), 8765);
assertEquals((int) nginx2.getAttribute(NginxController.PROXY_HTTP_PORT), 8766);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
private List<NginxController> findNginxs() {
ImmutableList result = ImmutableList.copyOf(Iterables.filter(app.getManagementContext().getEntityManager().getEntities(), Predicates.instanceOf(NginxController.class)));
return (List<NginxController>) result;
}
private List<String> findNginxRootUrls() {
List<String> result = Lists.newArrayList();
for (NginxController nginx : findNginxs()) {
result.add(nginx.getAttribute(NginxController.ROOT_URL));
}
return result;
}
private void assertNginxsResponsiveEvenutally(final Iterable<NginxController> nginxs) {
assertNginxsResponsiveEvenutally(nginxs, null, Collections.<String>emptyList());
}
private void assertNginxsResponsiveEvenutally(final Iterable<NginxController> nginxs, final String hostname, final List<String> pathsFor200) {
Asserts.succeedsEventually(MutableMap.of("timeout", TIMEOUT_MS), new Runnable() {
public void run() {
for (NginxController nginx : nginxs) {
assertTrue(nginx.getAttribute(NginxController.SERVICE_UP));
String normalRootUrl = nginx.getAttribute(NginxController.ROOT_URL);
int port = nginx.getAttribute(NginxController.PROXY_HTTP_PORT);
String rootUrl = (hostname != null) ? ("http://"+hostname+":"+port+"/") : normalRootUrl;
String wrongUrl = rootUrl+"doesnotexist";
HttpTestUtils.assertHttpStatusCodeEquals(wrongUrl, 404);
for (String pathFor200 : pathsFor200) {
String url = rootUrl+pathFor200;
HttpTestUtils.assertHttpStatusCodeEquals(url, 200);
}
}
}});
}
private void assertNoDuplicates(Iterable<String> c) {
assertEquals(Iterables.size(c), ImmutableSet.copyOf(c).size(), "c="+c);
}
}