/**
* 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.whirr.service.chef.integration;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertTrue;
import static junit.framework.Assert.failNotEquals;
import java.io.IOException;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import org.apache.commons.configuration.CompositeConfiguration;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.whirr.ClusterController;
import org.apache.whirr.ClusterSpec;
import org.apache.whirr.service.chef.Recipe;
import org.jclouds.compute.RunScriptOnNodesException;
import org.jclouds.compute.domain.ExecResponse;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.predicates.RetryablePredicate;
import org.jclouds.scriptbuilder.domain.Statement;
import org.jclouds.scriptbuilder.domain.Statements;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
/**
* Integration test for chef.
*/
public class ChefServiceTest {
private static Predicate<NodeMetadata> allNodes = Predicates.alwaysTrue();
private static final Logger LOG = LoggerFactory
.getLogger(ChefServiceTest.class);
private static ClusterSpec clusterSpec;
private static ClusterController controller;
// private static Cluster cluster;
@BeforeClass
public static void setUp() throws Exception {
CompositeConfiguration config = new CompositeConfiguration();
if (System.getProperty("config") != null) {
config.addConfiguration(new PropertiesConfiguration(System
.getProperty("config")));
}
config.addConfiguration(new PropertiesConfiguration(
"whirr-chef-test.properties"));
clusterSpec = ClusterSpec.withTemporaryKeys(config);
controller = new ClusterController();
controller.launchCluster(clusterSpec);
}
@Test
public void testRecipesWereRanInServiceBootstrap() throws Exception {
// and shoudl be installed by the main handlers
Statement testAnt = Statements.exec("ant -version");
Map<? extends NodeMetadata, ExecResponse> responses = controller
.runScriptOnNodesMatching(clusterSpec, allNodes, testAnt);
printResponses(testAnt, responses);
assertResponsesContain(responses, testAnt, "Apache Ant");
Statement testMaven = Statements.exec("mvn --version");
responses = controller.runScriptOnNodesMatching(clusterSpec, allNodes,
testMaven);
printResponses(testMaven, responses);
assertResponsesContain(responses, testMaven, "Apache Maven");
}
@Test
public void testChefRunRecipeFromURL() throws Exception {
// As chef will be mostly used indirectly in other services
// this test tests chef's ability to run a recipe, specifically to
// install nginx.
Recipe nginx = new Recipe(
"nginx",
null,
"http://s3.amazonaws.com/opscode-community/cookbook_versions/tarballs/529/original/nginx.tgz");
Map<? extends NodeMetadata, ExecResponse> responses = runRecipe(nginx);
printResponses(nginx, responses);
HttpClient client = new HttpClient();
final GetMethod getIndex = new GetMethod(String.format("http://%s",
responses.keySet().iterator().next().getPublicAddresses().iterator()
.next()));
assertTrue("Could not connect with nginx server",
new RetryablePredicate<HttpClient>(new Predicate<HttpClient>() {
@Override
public boolean apply(HttpClient input) {
try {
int statusCode = input.executeMethod(getIndex);
assertEquals("Status code should be 200", HttpStatus.SC_OK,
statusCode);
return true;
} catch (Exception e) {
return false;
}
}
}, 10, 1, TimeUnit.SECONDS).apply(client));
String indexPageHTML = getIndex.getResponseBodyAsString();
assertTrue("The string 'nginx' should appear on the index page",
indexPageHTML.contains("nginx"));
}
/**
* Test the execution of recipes (one with attribs and one with non-default
* recipe) from the provided recipes dowloaded from opscode's git repo.
*
* @throws Exception
*/
@Test
public void testChefRunRecipesFromProvidedCookbooks() throws Exception {
Recipe java = new Recipe("java");
java.attribs.put("install_flavor", "sun");
// Recipes have to run directly against ComputeService as they need to be
// ran as initscripts, a future version of ClusterController might avoid
// taht.
Map<? extends NodeMetadata, ExecResponse> responses = runRecipe(java);
printResponses(java, responses);
Statement stmt = Statements.exec("java -version");
responses = controller
.runScriptOnNodesMatching(clusterSpec, allNodes, stmt);
assertResponsesContain(responses, stmt, "Java(TM) SE Runtime Environment");
Recipe postgreSql = new Recipe("postgresql", "server");
responses = runRecipe(postgreSql);
printResponses(postgreSql, responses);
stmt = Statements.exec("psql --version");
responses = controller
.runScriptOnNodesMatching(clusterSpec, allNodes, stmt);
assertResponsesContain(responses, stmt, "PostgreSQL");
}
private Map<? extends NodeMetadata, ExecResponse> runRecipe(Recipe recipe)
throws IOException, RunScriptOnNodesException {
return controller.runScriptOnNodesMatching(clusterSpec, allNodes, recipe,
Recipe.recipeScriptOptions(controller
.defaultRunScriptOptionsForSpec(clusterSpec)));
}
@AfterClass
public static void tearDown() throws IOException, InterruptedException {
if (controller != null) {
controller.destroyCluster(clusterSpec);
}
}
public static void assertResponsesContain(
Map<? extends NodeMetadata, ExecResponse> responses, Statement statement,
String text) {
for (Map.Entry<? extends NodeMetadata, ExecResponse> entry : responses
.entrySet()) {
if (!entry.getValue().getOutput().contains(text)) {
failNotEquals("Node: " + entry.getKey().getId()
+ " failed to execute the command: " + statement
+ " as could not find expected text", text, entry.getValue());
}
}
}
public static void printResponses(Statement statement,
Map<? extends NodeMetadata, ExecResponse> responses) {
LOG.info("Responses for Statement: " + statement);
for (Map.Entry<? extends NodeMetadata, ExecResponse> entry : responses
.entrySet()) {
LOG.info("Node[" + entry.getKey().getId() + "]: " + entry.getValue());
}
}
}