| /* |
| * 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; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.Properties; |
| |
| import org.jclouds.ContextBuilder; |
| import org.jclouds.openstack.keystone.v2_0.config.CredentialTypes; |
| import org.jclouds.openstack.keystone.v2_0.config.KeystoneProperties; |
| import org.jclouds.openstack.nova.v2_0.NovaApi; |
| |
| import com.google.common.io.Closeables; |
| |
| /** |
| * To authenticate using jclouds you need to provide your credentials to a Context as in the init() method below. |
| * Authentication occurs on your first actual interaction with the Rackspace Cloud (i.e. the very first time |
| * you call a method that needs to talk to the cloud). Once you are authenticated you receive a token that is |
| * cached and you won't reauthenticate for subsequent calls. If your token expires before the JVM quits, jclouds |
| * will automatically handle reauthentication and get a new token for you. |
| * |
| * If authentication doesn't work, the call will result in an org.jclouds.rest.AuthorizationException |
| * |
| * This example demostrates how you would authenticate via username and password or API key. The default is |
| * authentication via API key, which is used in the rest of the examples in this package. |
| */ |
| public class Authentication implements Closeable { |
| private final NovaApi nova; |
| |
| /** |
| * To get a username and API key see http://jclouds.apache.org/guides/rackspace/ |
| * |
| * The first argument (args[0]) must be your username |
| * The second argument (args[1]) must be your API key or password |
| * [Optional] The third argument (args[2]) must be "password" if password authentication is used, |
| * otherwise default to using API key. |
| */ |
| public static void main(String[] args) throws IOException { |
| Authentication authentication = new Authentication(args); |
| |
| try { |
| authentication.authenticateOnCall(); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| } |
| finally { |
| authentication.close(); |
| } |
| } |
| |
| public Authentication(String[] args) { |
| // The provider configures jclouds To use the Rackspace Cloud (US) |
| // To use the Rackspace Cloud (UK) set the system property or default value to "rackspace-cloudservers-uk" |
| String provider = System.getProperty("provider.cs", "rackspace-cloudservers-us"); |
| |
| String username = args[0]; |
| String credential = args[1]; |
| |
| Properties overrides = new Properties(); |
| |
| if (args.length == 3 && "password".equals(args[2])) { |
| overrides.put(KeystoneProperties.CREDENTIAL_TYPE, CredentialTypes.PASSWORD_CREDENTIALS); |
| } |
| |
| nova = ContextBuilder.newBuilder(provider) |
| .credentials(username, credential) |
| .overrides(overrides) |
| .buildApi(NovaApi.class); |
| } |
| |
| /** |
| * Calling getConfiguredRegions() causes jclouds to authenticate. If authentication doesn't work, the call to |
| * getConfiguredRegions() will result in an org.jclouds.rest.AuthorizationException |
| */ |
| private void authenticateOnCall() { |
| System.out.format("Authenticate On Call%n"); |
| |
| nova.getConfiguredRegions(); |
| |
| System.out.format(" Authenticated%n"); |
| } |
| |
| /** |
| * Always close your service when you're done with it. |
| */ |
| public void close() throws IOException { |
| Closeables.close(nova, true); |
| } |
| } |