/*
* 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.jclouds.examples.rackspace.cloudblockstorage;
import com.google.common.io.Closeables;
import org.jclouds.ContextBuilder;
import org.jclouds.openstack.cinder.v1.CinderApi;
import org.jclouds.openstack.cinder.v1.domain.Snapshot;
import org.jclouds.openstack.cinder.v1.domain.Volume;
import org.jclouds.openstack.cinder.v1.features.SnapshotApi;
import org.jclouds.openstack.cinder.v1.features.VolumeApi;
import org.jclouds.openstack.cinder.v1.options.CreateSnapshotOptions;
import org.jclouds.openstack.cinder.v1.predicates.SnapshotPredicates;
import java.io.Closeable;
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import static org.jclouds.examples.rackspace.cloudblockstorage.Constants.*;
/**
* This example creates a snapshot of a volume.
*/
public class CreateSnapshot implements Closeable {
private final CinderApi cinderApi;
private final VolumeApi volumeApi;
private final SnapshotApi snapshotApi;
/**
* To get a username and API key see
* http://www.jclouds.org/documentation/quickstart/rackspace/
*
* The first argument (args[0]) must be your username
* The second argument (args[1]) must be your API key
*/
public static void main(String[] args) throws IOException {
CreateSnapshot createSnapshot = new CreateSnapshot(args[0], args[1]);
try {
Volume volume = createSnapshot.getVolume();
createSnapshot.createSnapshot(volume);
}
catch (Exception e) {
e.printStackTrace();
}
finally {
createSnapshot.close();
}
}
public CreateSnapshot(String username, String apiKey) {
cinderApi = ContextBuilder.newBuilder(PROVIDER)
.credentials(username, apiKey)
.buildApi(CinderApi.class);
volumeApi = cinderApi.getVolumeApiForZone(ZONE);
snapshotApi = cinderApi.getSnapshotApiForZone(ZONE);
}
/**
* @return Volume The Volume created in the CreateVolumeAndAttach example
*/
private Volume getVolume() {
for (Volume volume: volumeApi.list()) {
if (volume.getName().startsWith(NAME)) {
return volume;
}
}
throw new RuntimeException(NAME + " not found. Run the CreateVolumeAndAttach example first.");
}
private void createSnapshot(Volume volume) throws TimeoutException {
System.out.format("Create Snapshot%n");
CreateSnapshotOptions options = CreateSnapshotOptions.Builder
.name(NAME)
.description("Snapshot of " + volume.getId());
Snapshot snapshot = snapshotApi.create(volume.getId(), options);
// Wait for the snapshot to become Available before moving on
// If you want to know what's happening during the polling, enable logging. See
// /jclouds-example/rackspace/src/main/java/org/jclouds/examples/rackspace/Logging.java
if (!SnapshotPredicates.awaitAvailable(snapshotApi).apply(snapshot)) {
throw new TimeoutException("Timeout on volume: " + volume);
}
System.out.format(" %s%n", snapshot);
}
/**
* Always close your service when you're done with it.
*
* Note that closing quietly like this is not necessary in Java 7.
* You would use try-with-resources in the main method instead.
*/
public void close() throws IOException {
Closeables.close(cinderApi, true);
}
}