| /** |
| * |
| * 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.airavata.cloud.openstack; |
| |
| import java.util.Properties; |
| |
| import org.apache.airavata.cloud.util.Constants; |
| import org.openstack4j.api.OSClient; |
| import org.openstack4j.model.common.Identifier; |
| import org.openstack4j.openstack.OSFactory; |
| |
| public class OS4JClientProvider { |
| |
| private static OSClient os = null; |
| private static Integer apiVersion = null; |
| |
| |
| public static OSClient getOSClient(Properties properties) { |
| |
| try { |
| String endPoint = properties.getProperty(Constants.OS_AUTH_URL); |
| String userName = properties.getProperty(Constants.OS_USERNAME); |
| String password = properties.getProperty(Constants.OS_PASSWORD); |
| String domain = properties.getProperty(Constants.OS_USER_DOMAIN_NAME); |
| String apiVersion = properties.getProperty(Constants.OS_IDENTITY_API_VERSION); |
| |
| // Initialize client for api version 3. |
| if( apiVersion.equals("3") ) { |
| String project = properties.getProperty(Constants.OS_PROJECT_DOMAIN_NAME); |
| getOSClientV3(endPoint, userName, password, domain, project); |
| } |
| // Initialize client for api version 2. |
| else if( apiVersion.equals("2") ) { |
| getOSClientV2(endPoint, userName, password, domain); |
| } |
| else { |
| throw new Exception("Non- supported Openstack API version " + properties.getProperty("OS_IDENTITY_API_VERSION")); |
| } |
| } |
| catch(Exception ex) { |
| ex.printStackTrace(); |
| // TODO: Check with the team on how to handle exceptions. |
| } |
| return os; |
| } |
| |
| /** |
| * Function that authenticates to openstack using v3 APIs. |
| * @param endPoint |
| * @param userName |
| * @param password |
| * @param domain |
| * @param project |
| * @return OSClient object that can be used for other OpenStack operations. |
| */ |
| public static void getOSClientV3(String endPoint, String userName, String password, |
| String domain, String project) { |
| |
| if(os == null || apiVersion == null ||apiVersion != 3 || ! os.getEndpoint().equals(endPoint)) { |
| |
| Identifier domainIdentifier = Identifier.byName(domain); |
| Identifier projectIdentifier = Identifier.byName(project); |
| os = OSFactory.builderV3() |
| .scopeToProject(projectIdentifier, domainIdentifier) |
| .endpoint(endPoint) |
| .credentials(userName, password, domainIdentifier) |
| .authenticate(); |
| |
| apiVersion = 3; |
| } |
| } |
| |
| /** |
| * Function that authenticates to openstack using v2 APIs. |
| * @param endPoint |
| * @param userName |
| * @param password |
| * @param domain |
| * @param project |
| * @return OSClient object that can be used for other Openstack operations. |
| */ |
| public static void getOSClientV2(String endPoint, String userName, String password, |
| String domain) { |
| |
| if(os == null || apiVersion == null ||apiVersion != 2 || ! os.getEndpoint().equals(endPoint)) { |
| |
| Identifier domainIdentifier = Identifier.byName(domain); |
| //Identifier projectIdentifier = Identifier.byName(project); |
| os = OSFactory.builderV3() |
| //.scopeToProject(projectIdentifier, domainIdentifier) |
| .endpoint(endPoint) |
| .credentials(userName, password, domainIdentifier) |
| .authenticate(); |
| |
| apiVersion = 2; |
| } |
| } |
| } |