mirror of https://github.com/apache/jclouds.git
116 lines
5.3 KiB
Java
116 lines
5.3 KiB
Java
/**
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*
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* Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
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*
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* ====================================================================
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ====================================================================
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*/
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package org.jclouds.aws;
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import static org.jclouds.compute.ComputeTestUtils.buildScript;
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import static org.jclouds.compute.options.TemplateOptions.Builder.runScript;
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import static org.jclouds.compute.util.ComputeServiceUtils.execHttpResponse;
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import static org.jclouds.compute.util.ComputeServiceUtils.extractTargzIntoDirectory;
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import static org.jclouds.scriptbuilder.domain.Statements.newStatementList;
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import java.net.URI;
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import org.jclouds.aws.ec2.compute.BlobStoreAndComputeServiceLiveTest;
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import org.jclouds.blobstore.BlobStore;
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import org.jclouds.compute.RunNodesException;
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import org.jclouds.compute.domain.NodeMetadata;
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import org.jclouds.compute.domain.OperatingSystem;
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import org.jclouds.http.HttpRequest;
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import org.jclouds.scriptbuilder.domain.OsFamily;
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import org.jclouds.scriptbuilder.domain.Statement;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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/**
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* This test helps us understand how we can use the power of blobstores to our favor.
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* <p/>
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* This test is in aws only because it happens to have both blobstore and compute
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*
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* TODO create a blobstore and compute integration module
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*
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* @author Adrian Cole
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*/
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@Test(groups = "live")
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public class ComputeAndBlobStoreTogetherHappilyLiveTest extends BlobStoreAndComputeServiceLiveTest {
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@BeforeClass
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protected void setupCredentials() {
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blobStoreProvider = "s3";
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computeServiceProvider = "ec2";
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}
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/**
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* This test generates a bootstrap script based on the default operating system of the compute
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* provider.
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* <p/>
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* It then uploads this to a blobstore, in a private location. Now, we want the bootstrap of the
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* server to be able to load from this location without sending credentials to the starting
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* machine. Accordingly, we send a signed url instead.
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* <p/>
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* Using the {@link BlobStore} api, we get a signed url corresponding to the bootstrap script. We
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* next convert this into something that can be invoked via the commandline. Looking around, it
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* seems like alestic runurl is pretty close. However, it is limited as it only works on requests
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* that can be fully specified without headers (ex. Amazon S3). Instead, we use a variant
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* (execHttpResponse).
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* <p/>
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* execHttpResponse simply assembles an http request, headers and all, and passes it to bash
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* <p/>
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* With this script ready, any node or nodes will take instructions from the blobstore when it
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* boots up. we verify this with an assertion.
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*
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*/
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@Test
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public void testWeCanIndirectBootstrapInstructionsToAnArbitraryAndPrivateBlobStore() throws RunNodesException {
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OperatingSystem defaultOperatingSystem = computeContext.getComputeService().templateBuilder().build().getImage()
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.getOperatingSystem();
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// using jclouds ability to detect operating systems before we launch them, we can avoid
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// the bad practice of assuming everything is ubuntu.
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uploadBlob(tag, "openjdk/install", buildScript(defaultOperatingSystem).render(OsFamily.UNIX));
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// instead of hard-coding to amazon s3, we can use any blobstore, conceding this test is
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// configured for amz. Note we are getting temporary access to a private blob.
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HttpRequest signedRequestOfInstallScript = blobContext.getSigner().signGetBlob(tag, "openjdk/install");
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// so one of our commands is to execute the contents of the blob above
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Statement installOpenJDK = execHttpResponse(signedRequestOfInstallScript);
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// if we want to, we can mix and match batched and ad-hoc commands, such as extracting maven
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String mavenVersion = "3.0";
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Statement extractMavenIntoUsrLocal = extractTargzIntoDirectory(
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URI.create("http://mirrors.ibiblio.org/pub/mirrors/apache//maven/binaries/apache-maven-" + mavenVersion
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+ "-bin.tar.gz"), "/usr/local");
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// have both of these commands occur on boot
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Statement bootstrapInstructions = newStatementList(installOpenJDK, extractMavenIntoUsrLocal);
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// now that we have the correct instructions, kick-off the provisioner
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Iterable<? extends NodeMetadata> nodes = computeContext.getComputeService().runNodesWithTag(tag, 2,
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runScript(bootstrapInstructions));
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// ensure the bootstrap operated by checking for the components we installed at boot time.
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// Note this test will ensure both nodes are in sync.
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assertSshOutputOfCommandContains(nodes, "java -version", "OpenJDK");
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assertSshOutputOfCommandContains(nodes, "/usr/local/apache-maven-" + mavenVersion + "/bin/mvn -version",
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"Apache Maven " + mavenVersion + "");
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}
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}
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