adapters/mso-openstack-adapters/src/main/java/org/onap/so/heatbridge/factory/MsoCloudClientFactoryImpl.java

   1 /*
   2  * Copyright (C) 2018 Bell Canada. All rights reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.so.heatbridge.factory;
  17
  18 import java.net.MalformedURLException;
  19 import java.net.URL;
  20 import java.util.Objects;
  21 import javax.annotation.Nonnull;
  22 import org.onap.so.heatbridge.HeatBridgeException;
  23 import org.onap.so.heatbridge.constants.HeatBridgeConstants;
  24 import org.onap.so.heatbridge.openstack.api.OpenstackAccess;
  25 import org.onap.so.heatbridge.openstack.api.OpenstackAccess.OpenstackAccessBuilder;
  26 import org.onap.so.heatbridge.openstack.api.OpenstackClient;
  27 import org.onap.so.heatbridge.openstack.api.OpenstackClientException;
  28 import org.onap.so.heatbridge.openstack.factory.OpenstackClientFactory;
  29 import org.onap.so.utils.CryptoUtils;
  30
  31 /**
  32  * This class implements {@link MsoCloudClientFactory}
  33  * It loads the cloud configuration from SO and uses it to authenticate with keystone.
  34  * As a result of authentication with keystone, it returns the Openstack client with the auth token so that
  35  * subsequent API calls to Openstack can be made.
  36  */
  37 public class MsoCloudClientFactoryImpl implements MsoCloudClientFactory {
  38
  39     private OpenstackClientFactory openstackClientFactory;
  40
  41     public MsoCloudClientFactoryImpl(@Nonnull OpenstackClientFactory openstackClientFactory) {
  42         Objects.requireNonNull(openstackClientFactory, "Null OpenstackClientFactory object");
  43         this.openstackClientFactory = openstackClientFactory;
  44     }
  45     @Override
  46     public OpenstackClient getOpenstackClient(@Nonnull String url, @Nonnull String msoId, @Nonnull String msoPass, @Nonnull String cloudRegionId, @Nonnull String tenantId) throws
  47         HeatBridgeException {
  48         Objects.requireNonNull(url, "Null openstack url!");
  49         Objects.requireNonNull(msoId, "Null openstack user id!");
  50         Objects.requireNonNull(msoPass, "Null openstack password!");
  51         Objects.requireNonNull(cloudRegionId, "Null cloud-region ID!");
  52         Objects.requireNonNull(tenantId, "Null tenant ID!");
  53         try {
  54             final OpenstackAccess osAccess = new OpenstackAccessBuilder()
  55                 .setBaseUrl(url) // keystone URL
  56                 .setUser(msoId) // keystone username
  57                 .setPassword(CryptoUtils.decryptCloudConfigPassword(msoPass)) // keystone decrypted password
  58                 .setRegion(cloudRegionId) // openstack region
  59                 .setDomainName(HeatBridgeConstants.OS_DEFAULT_DOMAIN_NAME) // hardcode to "default"
  60                 .setTenantId(tenantId) // tenantId
  61                 .build();
  62
  63             // Identify the Keystone version
  64             String version = new URL(url).getPath().replace("/", "");
  65             if (version.equals(HeatBridgeConstants.OS_KEYSTONE_V2_KEY)) {
  66                 return openstackClientFactory.createOpenstackV2Client(osAccess);
  67             } else if (version.equals(HeatBridgeConstants.OS_KEYSTONE_V3_KEY)) {
  68                 return openstackClientFactory.createOpenstackV3Client(osAccess);
  69             }
  70             throw new OpenstackClientException("Unsupported keystone version!");
  71         } catch (MalformedURLException e) {
  72             throw new HeatBridgeException("Malformed Keystone Endpoint in SO configuration.", e);
  73         } catch (OpenstackClientException osClientEx) {
  74             throw new HeatBridgeException("Client error when authenticating with the Openstack V3.", osClientEx);
  75         }
  76     }
  77 }