mirror of https://github.com/apache/jclouds.git
added aws demo that resizes volume size for EBS-backed instances
it includes main classes and Java launcher in /resize-ebs-java, as well as JRuby launcher for the same Java classes
This commit is contained in:
Alex Yarmula
parent
3e8381e3f3
commit
f83dce9469
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.jclouds</groupId>
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<artifactId>jclouds-aws-demos-project</artifactId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<artifactId>jclouds-aws-demo-ebsresize-ruby</artifactId>
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<groupId>org.jclouds</groupId>
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<name>JRuby client for demo to change volume size for EBS-based instances</name>
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<description>JRuby is used to run jclouds-aws-demo-ebsresize demo</description>
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<repositories>
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<repository>
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<id>jclouds</id>
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<url>http://jclouds.googlecode.com/svn/repo</url>
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</repository>
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<repository>
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<id>jclouds-snapshot.repository</id>
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<url>http://jclouds.rimuhosting.com/maven2/snapshots</url>
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</repository>
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</repositories>
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<dependencies>
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<dependency>
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<groupId>org.jclouds</groupId>
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<artifactId>jclouds-aws-demo-ebsresize</artifactId>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>jruby-maven-plugin</artifactId>
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<version>1.0-beta-4</version>
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<configuration>
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<script>src/main/scripts/launcher.rb</script>
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</configuration>
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<dependencies>
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<dependency>
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<groupId>org.jclouds</groupId>
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<artifactId>jclouds-aws-demo-ebsresize</artifactId>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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</dependencies>
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</plugin>
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</plugins>
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</build>
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</project>
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class EbsVolumesJRuby
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def initialize access_key_id, secret_key
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@access_key_id = access_key_id
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@secret_key = secret_key
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end
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def resize instance_id, region, new_size
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@manager = org.jclouds.tools.ebsresize.InstanceVolumeManager.new(@access_key_id, @secret_key)
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ebs_api = @manager.get_ebs_api
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instance_api = @manager.get_instance_api
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api = @manager.get_api
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@instance = instance_api.get_instance_by_id_and_region instance_id, region
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instance_api.stop_instance @instance
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volume = ebs_api.get_root_volume_for_instance @instance
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ebs_api.detach_volume_from_stopped_instance volume, @instance
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new_volume = ebs_api.clone_volume_with_new_size volume, new_size
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ebs_api.attach_volume_to_stopped_instance new_volume, @instance
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instance_api.start_instance @instance
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api.get_elastic_block_store_services().delete_volume_in_region @instance.get_region(), volume.get_id()
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end
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def run_remote_resize_commands credentials, key_pair
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@manager.run_remote_resize_commands @instance, credentials, key_pair
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end
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end
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@ -0,0 +1,20 @@
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require "src/main/scripts/ebs_volumes_j_ruby.rb"
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instance_id = "AMAZON_INSTANCE_ID (i-xxxxxx)"
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region = org.jclouds.aws.domain.Region::US_EAST_1
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new_size = 6
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remote_login = "ubuntu"
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remote_password = ""
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path_to_key = ""
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ebs_volumes = EbsVolumesJRuby.new("YOUR_ACCESS_KEY_ID", "YOUR_SECRET_KEY")
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ebs_volumes.resize instance_id, region, new_size
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key_pair = org.jclouds.util.Utils::toStringAndClose(
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java.io.FileInputStream.new(path_to_key))
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credentials = org.jclouds.domain.Credentials.new(remote_login, remote_password)
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java.lang.Thread::sleep(25000);
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ebs_volumes.run_remote_resize_commands credentials, key_pair
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@ -0,0 +1,46 @@
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.jclouds</groupId>
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<artifactId>jclouds-aws-demos-project</artifactId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<artifactId>jclouds-aws-demo-ebsresize</artifactId>
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<groupId>org.jclouds</groupId>
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<name>jclouds EC2 example, to change volume size for EBS-based instances</name>
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<description>For a given running instance, resizes the volume (with several minutes of downtime)</description>
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<repositories>
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<repository>
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<id>jclouds</id>
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<url>http://jclouds.googlecode.com/svn/repo</url>
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</repository>
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<repository>
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<id>jclouds-snapshot.repository</id>
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<url>http://jclouds.rimuhosting.com/maven2/snapshots</url>
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</repository>
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</repositories>
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<dependencies>
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<dependency>
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<groupId>org.jclouds</groupId>
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<artifactId>jclouds-jsch</artifactId>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<source>1.6</source>
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<target>1.6</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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@ -0,0 +1,59 @@
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/**
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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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import org.jclouds.aws.domain.Region;
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import org.jclouds.domain.Credentials;
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import org.jclouds.tools.ebsresize.InstanceVolumeManager;
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import org.jclouds.util.Utils;
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import java.io.*;
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/**
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* Launcher for EBS resize demo. This is the Java version of what
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* can be written in Ruby (see <jclouds>/aws/demos/resize-ebs/jruby-client)
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*
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* @author Oleksiy Yarmula
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*/
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public class EbsImages {
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String accessKeyId = "YOUR_ACCESS_KEY_ID";
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String secretKey = "YOUR_SECRET_KEY";
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String instanceId = "AMAZON_INSTANCE_ID (i-xxxxxx)";
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Region region = Region.US_EAST_1;
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int newSize = 6;
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String pathToKeyPair = "/Users/alex/miscdev/aws/security/alexpair.pem";
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String remoteLogin = "ubuntu";
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String remotePassword = "";
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public static void main(String[] args) throws Exception {
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new EbsImages().launch();
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}
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public void launch() throws Exception {
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InstanceVolumeManager manager = new InstanceVolumeManager(accessKeyId, secretKey);
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String privateKey =
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Utils.toStringAndClose(new FileInputStream(pathToKeyPair));
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manager.resizeVolume(instanceId, region, new Credentials(remoteLogin, remotePassword),
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privateKey, newSize);
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}
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}
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@ -0,0 +1,143 @@
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/**
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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.tools.ebsresize;
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import org.jclouds.aws.domain.Region;
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import org.jclouds.aws.ec2.EC2AsyncClient;
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import org.jclouds.aws.ec2.EC2Client;
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import org.jclouds.aws.ec2.domain.RunningInstance;
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import org.jclouds.aws.ec2.domain.Volume;
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import org.jclouds.compute.ComputeServiceContext;
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import org.jclouds.compute.ComputeServiceContextFactory;
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import org.jclouds.compute.domain.ComputeMetadata;
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import org.jclouds.compute.domain.NodeMetadata;
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import org.jclouds.compute.domain.internal.NodeMetadataImpl;
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import org.jclouds.domain.Credentials;
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import org.jclouds.rest.RestContext;
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import org.jclouds.tools.ebsresize.facade.ElasticBlockStoreFacade;
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import org.jclouds.tools.ebsresize.facade.InstanceFacade;
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import org.jclouds.tools.ebsresize.util.SshExecutor;
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import java.io.IOException;
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import java.util.Map;
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/**
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* Launches a sequence of commands to change the size of
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* EBS volume.
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*
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* This results in several minutes of downtime of the instance.
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* More details available at:
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* <a href="http://alestic.com/2010/02/ec2-resize-running-ebs-root" />
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*
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*
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* @author Oleksiy Yarmula
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*/
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public class InstanceVolumeManager {
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private final ComputeServiceContext context;
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@SuppressWarnings({"FieldCanBeLocal"})
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private final RestContext<EC2AsyncClient, EC2Client> ec2context;
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private final EC2Client api;
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private final ElasticBlockStoreFacade ebsApi;
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private final InstanceFacade instanceApi;
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public InstanceVolumeManager(String accessKeyId, String secretKey) {
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try {
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context = new ComputeServiceContextFactory()
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.createContext("ec2", accessKeyId, secretKey);
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} catch(IOException e) { throw new RuntimeException(e); }
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ec2context = context.getProviderSpecificContext();
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api = ec2context.getApi();
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ebsApi = new ElasticBlockStoreFacade(api.getElasticBlockStoreServices());
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instanceApi = new InstanceFacade(api.getInstanceServices());
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}
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public void resizeVolume(String instanceId, Region region,
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Credentials instanceCredentials, String pathToKeyPair, int newSize) {
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RunningInstance instance = instanceApi.getInstanceByIdAndRegion(instanceId, region);
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instanceApi.stopInstance(instance);
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Volume volume = ebsApi.getRootVolumeForInstance(instance);
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ebsApi.detachVolumeFromStoppedInstance(volume, instance);
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Volume newVolume = ebsApi.cloneVolumeWithNewSize(volume, newSize);
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ebsApi.attachVolumeToStoppedInstance(newVolume, instance);
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instanceApi.startInstance(instance);
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api.getElasticBlockStoreServices().deleteVolumeInRegion(instance.getRegion(), volume.getId());
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//TODO: how to know that an instance is available for SSH for certain?
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// sometimes 20 seconds is enough after it started, sometimes it isn't
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try {
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Thread.sleep(20000);
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} catch(InterruptedException e) {
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e.printStackTrace();
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}
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runRemoteResizeCommands(instance, instanceCredentials, pathToKeyPair);
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}
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public void runRemoteResizeCommands(RunningInstance instance, Credentials instanceCredentials,
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String keyPair) {
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Map<String, ? extends ComputeMetadata> nodes = context.getComputeService().getNodes();
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//if don't set it here, nodeMetadata.getCredentials = null
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NodeMetadata nodeMetadata = addCredentials((NodeMetadata) nodes.get(instance.getId()),
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instanceCredentials);
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SshExecutor sshExecutor = new SshExecutor(nodeMetadata, instanceCredentials,
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keyPair, instance);
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sshExecutor.connect();
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sshExecutor.execute("sudo resize2fs " + instance.getRootDeviceName());
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}
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private NodeMetadata addCredentials(NodeMetadata nodeMetadata, Credentials credentials) {
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return new
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NodeMetadataImpl(nodeMetadata.getId(), nodeMetadata.getName(),
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nodeMetadata.getLocationId(),
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nodeMetadata.getUri(),
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nodeMetadata.getUserMetadata(), nodeMetadata.getTag(),
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nodeMetadata.getState(), nodeMetadata.getPublicAddresses(),
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nodeMetadata.getPrivateAddresses(), nodeMetadata.getExtra(),
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credentials);
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}
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public ElasticBlockStoreFacade getEbsApi() {
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return ebsApi;
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}
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public InstanceFacade getInstanceApi() {
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return instanceApi;
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}
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public EC2Client getApi() {
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return api;
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}
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}
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@ -0,0 +1,150 @@
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/**
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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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||||||
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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.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
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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.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
* ====================================================================
|
||||||
|
*/
|
||||||
|
|
||||||
|
package org.jclouds.tools.ebsresize.facade;
|
||||||
|
|
||||||
|
import static com.google.common.base.Preconditions.*;
|
||||||
|
|
||||||
|
import com.google.common.base.Predicate;
|
||||||
|
import com.google.common.collect.Iterables;
|
||||||
|
import org.jclouds.aws.ec2.domain.*;
|
||||||
|
import org.jclouds.aws.ec2.options.CreateSnapshotOptions;
|
||||||
|
import org.jclouds.aws.ec2.options.DetachVolumeOptions;
|
||||||
|
import org.jclouds.aws.ec2.predicates.SnapshotCompleted;
|
||||||
|
import org.jclouds.aws.ec2.predicates.VolumeAttached;
|
||||||
|
import org.jclouds.aws.ec2.predicates.VolumeAvailable;
|
||||||
|
import org.jclouds.aws.ec2.services.ElasticBlockStoreClient;
|
||||||
|
import org.jclouds.predicates.RetryablePredicate;
|
||||||
|
|
||||||
|
import java.util.concurrent.TimeUnit;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Aggregates several methods of jClouds' EC2 functionality
|
||||||
|
* to work with elastic block store.
|
||||||
|
*
|
||||||
|
* @author Oleksiy Yarmula
|
||||||
|
*/
|
||||||
|
public class ElasticBlockStoreFacade {
|
||||||
|
|
||||||
|
final private ElasticBlockStoreClient elasticBlockStoreServices;
|
||||||
|
final private Predicate<Volume> volumeAvailable;
|
||||||
|
final private Predicate<Attachment> volumeAttached;
|
||||||
|
final private Predicate<Snapshot> snapshotCompleted;
|
||||||
|
|
||||||
|
public ElasticBlockStoreFacade(ElasticBlockStoreClient elasticBlockStoreServices) {
|
||||||
|
this.elasticBlockStoreServices = elasticBlockStoreServices;
|
||||||
|
this.volumeAvailable =
|
||||||
|
new RetryablePredicate<Volume>(new VolumeAvailable(elasticBlockStoreServices),
|
||||||
|
600, 10, TimeUnit.SECONDS);
|
||||||
|
this.volumeAttached =
|
||||||
|
new RetryablePredicate<Attachment>(new VolumeAttached(elasticBlockStoreServices),
|
||||||
|
600, 10, TimeUnit.SECONDS);
|
||||||
|
this.snapshotCompleted = new RetryablePredicate<Snapshot>(new SnapshotCompleted(
|
||||||
|
elasticBlockStoreServices), 600, 10, TimeUnit.SECONDS);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the root volume for instance with EBS type of root device.
|
||||||
|
*
|
||||||
|
* @param runningInstance
|
||||||
|
* instance of EBS type that has volume(s) attached
|
||||||
|
* @return root device volume
|
||||||
|
*/
|
||||||
|
public Volume getRootVolumeForInstance(RunningInstance runningInstance) {
|
||||||
|
checkArgument(runningInstance.getRootDeviceType() == RootDeviceType.EBS,
|
||||||
|
"Only storage for instances with EBS type of root device can be resized.");
|
||||||
|
|
||||||
|
String rootDevice = checkNotNull(runningInstance.getRootDeviceName());
|
||||||
|
runningInstance.getRootDeviceType();
|
||||||
|
|
||||||
|
//get volume id
|
||||||
|
String volumeId = null;
|
||||||
|
for(String ebsVolumeId : runningInstance.getEbsBlockDevices().keySet()) {
|
||||||
|
if(! rootDevice.equals(ebsVolumeId)) continue;
|
||||||
|
RunningInstance.EbsBlockDevice device = runningInstance.getEbsBlockDevices().get(ebsVolumeId);
|
||||||
|
volumeId = checkNotNull(device.getVolumeId(), "Device's volume id must not be null.");
|
||||||
|
}
|
||||||
|
|
||||||
|
//return volume by volume id
|
||||||
|
return Iterables.getOnlyElement(elasticBlockStoreServices.
|
||||||
|
describeVolumesInRegion(runningInstance.getRegion(), volumeId));
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Detaches volume from an instance.
|
||||||
|
*
|
||||||
|
* This method blocks until the operations are fully completed.
|
||||||
|
* @param volume
|
||||||
|
* volume to detach
|
||||||
|
* @param stoppedInstance
|
||||||
|
* instance to which the volume is currently attached
|
||||||
|
*/
|
||||||
|
public void detachVolumeFromStoppedInstance(Volume volume, RunningInstance stoppedInstance) {
|
||||||
|
elasticBlockStoreServices.detachVolumeInRegion(stoppedInstance.getRegion(), volume.getId(), false,
|
||||||
|
DetachVolumeOptions.Builder.fromInstance(stoppedInstance.getId()));
|
||||||
|
assertTrue(volumeAvailable.apply(volume));
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Makes a 'copy' of current volume with different size.
|
||||||
|
* Behind the scenes, if creates a snapshot of current volume,
|
||||||
|
* and then creates a new volume with given size from the snapshot.
|
||||||
|
*
|
||||||
|
* This method blocks until the operations are fully completed.
|
||||||
|
*
|
||||||
|
* @param volume volume to be cloned
|
||||||
|
* @param newSize size of new volume
|
||||||
|
* @return newly created volume
|
||||||
|
*/
|
||||||
|
public Volume cloneVolumeWithNewSize(Volume volume, int newSize) {
|
||||||
|
Snapshot createdSnapshot =
|
||||||
|
elasticBlockStoreServices.createSnapshotInRegion(volume.getRegion(), volume.getId(),
|
||||||
|
CreateSnapshotOptions.Builder.withDescription("snapshot to test extending volumes"));
|
||||||
|
assertTrue(snapshotCompleted.apply(createdSnapshot));
|
||||||
|
|
||||||
|
Volume newVolume = elasticBlockStoreServices.createVolumeFromSnapshotInAvailabilityZone(
|
||||||
|
volume.getAvailabilityZone(), newSize,
|
||||||
|
createdSnapshot.getId());
|
||||||
|
assertTrue(volumeAvailable.apply(newVolume));
|
||||||
|
|
||||||
|
return newVolume;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Attaches volume to a (stopped) instance.
|
||||||
|
*
|
||||||
|
* This method blocks until the operations are fully completed.
|
||||||
|
* @param volume
|
||||||
|
* volume to attach
|
||||||
|
* @param instance
|
||||||
|
* instance to which the volume is to be attached, must be in
|
||||||
|
* a 'stopped' state
|
||||||
|
*/
|
||||||
|
public void attachVolumeToStoppedInstance(Volume volume, RunningInstance instance) {
|
||||||
|
Attachment volumeAttachment = elasticBlockStoreServices.
|
||||||
|
attachVolumeInRegion(instance.getRegion(), volume.getId(), instance.getId(),
|
||||||
|
instance.getRootDeviceName());
|
||||||
|
assertTrue(volumeAttached.apply(volumeAttachment));
|
||||||
|
}
|
||||||
|
|
||||||
|
public void assertTrue(boolean value) {
|
||||||
|
if(!value) throw new RuntimeException("Found false, expected true");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,107 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
|
||||||
|
*
|
||||||
|
* ====================================================================
|
||||||
|
* Licensed 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.jclouds.tools.ebsresize.facade;
|
||||||
|
|
||||||
|
import static com.google.common.base.Preconditions.*;
|
||||||
|
|
||||||
|
import com.google.common.base.Predicate;
|
||||||
|
import com.google.common.collect.Iterables;
|
||||||
|
import org.jclouds.aws.domain.Region;
|
||||||
|
import org.jclouds.aws.ec2.domain.Reservation;
|
||||||
|
import org.jclouds.aws.ec2.domain.RunningInstance;
|
||||||
|
import org.jclouds.aws.ec2.predicates.InstanceStateRunning;
|
||||||
|
import org.jclouds.aws.ec2.predicates.InstanceStateStopped;
|
||||||
|
import org.jclouds.aws.ec2.services.InstanceClient;
|
||||||
|
import org.jclouds.predicates.RetryablePredicate;
|
||||||
|
|
||||||
|
import java.util.Set;
|
||||||
|
import java.util.concurrent.TimeUnit;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Aggregates several methods of jClouds' EC2 functionality
|
||||||
|
* to work with instance client (instance store). These
|
||||||
|
* features are specific to instances with EBS root device.
|
||||||
|
*
|
||||||
|
* @author Oleksiy Yarmula
|
||||||
|
*/
|
||||||
|
public class InstanceFacade {
|
||||||
|
|
||||||
|
final private InstanceClient instanceServices;
|
||||||
|
final private Predicate<RunningInstance> instanceRunning;
|
||||||
|
final private Predicate<RunningInstance> instanceStopped;
|
||||||
|
|
||||||
|
public InstanceFacade(InstanceClient instanceServices) {
|
||||||
|
this.instanceServices = instanceServices;
|
||||||
|
this.instanceRunning =
|
||||||
|
new RetryablePredicate<RunningInstance>(new InstanceStateRunning(instanceServices),
|
||||||
|
600, 10, TimeUnit.SECONDS);
|
||||||
|
this.instanceStopped =
|
||||||
|
new RetryablePredicate<RunningInstance>(new InstanceStateStopped(instanceServices),
|
||||||
|
600, 10, TimeUnit.SECONDS);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Starts an instance, given that it has an EBS volume attached.
|
||||||
|
* This command is only available for EC2 instances with
|
||||||
|
* EBS root device.
|
||||||
|
*
|
||||||
|
* This method blocks until the operations are fully completed.
|
||||||
|
*
|
||||||
|
* @param instance instance to start
|
||||||
|
* @see #stopInstance(org.jclouds.aws.ec2.domain.RunningInstance)
|
||||||
|
*/
|
||||||
|
public void startInstance(RunningInstance instance) {
|
||||||
|
instanceServices.startInstancesInRegion(instance.getRegion(), instance.getId());
|
||||||
|
assertTrue(instanceRunning.apply(instance));
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Stops an instance.
|
||||||
|
* This command is only available for EC2 instances with
|
||||||
|
* EBS root device.
|
||||||
|
*
|
||||||
|
* This method blocks until the operations are fully completed.
|
||||||
|
*
|
||||||
|
* @param instance instance to stop
|
||||||
|
* @see #startInstance(org.jclouds.aws.ec2.domain.RunningInstance)
|
||||||
|
*/
|
||||||
|
public void stopInstance(RunningInstance instance) {
|
||||||
|
instanceServices.stopInstancesInRegion(instance.getRegion(), false, instance.getId());
|
||||||
|
assertTrue(instanceStopped.apply(instance));
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Given an instance id and its {@link Region}, returns a {@link RunningInstance}.
|
||||||
|
*
|
||||||
|
* @param instanceId id of instance
|
||||||
|
* @param region region of the instance
|
||||||
|
* @return instance, corresponding to instanceId and region
|
||||||
|
*/
|
||||||
|
public RunningInstance getInstanceByIdAndRegion(String instanceId, Region region) {
|
||||||
|
Set<Reservation> reservations = instanceServices.describeInstancesInRegion(region, instanceId);
|
||||||
|
Reservation reservation = checkNotNull(Iterables.getOnlyElement(reservations));
|
||||||
|
return Iterables.getOnlyElement(reservation);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void assertTrue(boolean value) {
|
||||||
|
if(!value) throw new RuntimeException("Found false, expected true");
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,88 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
|
||||||
|
*
|
||||||
|
* ====================================================================
|
||||||
|
* Licensed 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.jclouds.tools.ebsresize.util;
|
||||||
|
|
||||||
|
import com.google.common.base.Predicate;
|
||||||
|
import com.google.common.base.Predicates;
|
||||||
|
import org.jclouds.aws.ec2.domain.RunningInstance;
|
||||||
|
import org.jclouds.compute.domain.NodeMetadata;
|
||||||
|
import org.jclouds.compute.predicates.RunScriptRunning;
|
||||||
|
import org.jclouds.compute.util.ComputeUtils;
|
||||||
|
import org.jclouds.domain.Credentials;
|
||||||
|
import org.jclouds.logging.Logger;
|
||||||
|
import org.jclouds.predicates.RetryablePredicate;
|
||||||
|
import org.jclouds.ssh.SshClient;
|
||||||
|
import org.jclouds.ssh.jsch.JschSshClient;
|
||||||
|
|
||||||
|
import java.net.InetSocketAddress;
|
||||||
|
import java.util.concurrent.TimeUnit;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @author Oleksiy Yarmula
|
||||||
|
*/
|
||||||
|
public class SshExecutor {
|
||||||
|
|
||||||
|
private final Predicate<SshClient> runScriptRunning =
|
||||||
|
new RetryablePredicate<SshClient>(Predicates.not(new RunScriptRunning()),
|
||||||
|
600, 3, TimeUnit.SECONDS);
|
||||||
|
|
||||||
|
private final NodeMetadata nodeMetadata;
|
||||||
|
private final Credentials instanceCredentials;
|
||||||
|
private final String keyPair;
|
||||||
|
private final RunningInstance instance;
|
||||||
|
private final SshClient sshClient;
|
||||||
|
private final ComputeUtils utils;
|
||||||
|
|
||||||
|
public SshExecutor(NodeMetadata nodeMetadata,
|
||||||
|
Credentials instanceCredentials,
|
||||||
|
String keyPair,
|
||||||
|
RunningInstance instance) {
|
||||||
|
this.nodeMetadata = nodeMetadata;
|
||||||
|
this.instanceCredentials = instanceCredentials;
|
||||||
|
this.keyPair = keyPair;
|
||||||
|
this.instance = instance;
|
||||||
|
|
||||||
|
this.sshClient =
|
||||||
|
new JschSshClient(new InetSocketAddress(instance.getDnsName(), 22), 60000,
|
||||||
|
instanceCredentials.account, keyPair.getBytes());
|
||||||
|
|
||||||
|
this.utils = new ComputeUtils(null, runScriptRunning, null);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
public void connect() {
|
||||||
|
sshClient.connect();
|
||||||
|
}
|
||||||
|
|
||||||
|
public void execute(String command) {
|
||||||
|
|
||||||
|
ComputeUtils.RunScriptOnNode script = utils.runScriptOnNode(nodeMetadata,
|
||||||
|
"basicscript.sh", command.getBytes());
|
||||||
|
|
||||||
|
script.setConnection(sshClient, Logger.CONSOLE);
|
||||||
|
|
||||||
|
try {
|
||||||
|
script.call();
|
||||||
|
} catch(Exception e) {
|
||||||
|
throw new RuntimeException(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue