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/*
* Copyright (C) 2018 Bell Canada. All rights reserved.
*
* 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.onap.so.heatbridge.factory;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Objects;
import javax.annotation.Nonnull;
import org.onap.so.heatbridge.HeatBridgeException;
import org.onap.so.heatbridge.constants.HeatBridgeConstants;
import org.onap.so.heatbridge.openstack.api.OpenstackAccess;
import org.onap.so.heatbridge.openstack.api.OpenstackAccess.OpenstackAccessBuilder;
import org.onap.so.heatbridge.openstack.api.OpenstackClient;
import org.onap.so.heatbridge.openstack.api.OpenstackClientException;
import org.onap.so.heatbridge.openstack.factory.OpenstackClientFactory;
import org.onap.so.utils.CryptoUtils;
/**
* This class implements {@link MsoCloudClientFactory}
* It loads the cloud configuration from SO and uses it to authenticate with keystone.
* As a result of authentication with keystone, it returns the Openstack client with the auth token so that
* subsequent API calls to Openstack can be made.
*/
public class MsoCloudClientFactoryImpl implements MsoCloudClientFactory {
private OpenstackClientFactory openstackClientFactory;
public MsoCloudClientFactoryImpl(@Nonnull OpenstackClientFactory openstackClientFactory) {
Objects.requireNonNull(openstackClientFactory, "Null OpenstackClientFactory object");
this.openstackClientFactory = openstackClientFactory;
}
@Override
public OpenstackClient getOpenstackClient(@Nonnull String url, @Nonnull String msoId, @Nonnull String msoPass, @Nonnull String cloudRegionId, @Nonnull String tenantId) throws
HeatBridgeException {
Objects.requireNonNull(url, "Null openstack url!");
Objects.requireNonNull(msoId, "Null openstack user id!");
Objects.requireNonNull(msoPass, "Null openstack password!");
Objects.requireNonNull(cloudRegionId, "Null cloud-region ID!");
Objects.requireNonNull(tenantId, "Null tenant ID!");
try {
final OpenstackAccess osAccess = new OpenstackAccessBuilder()
.setBaseUrl(url) // keystone URL
.setUser(msoId) // keystone username
.setPassword(CryptoUtils.decryptCloudConfigPassword(msoPass)) // keystone decrypted password
.setRegion(cloudRegionId) // openstack region
.setDomainName(HeatBridgeConstants.OS_DEFAULT_DOMAIN_NAME) // hardcode to "default"
.setTenantId(tenantId) // tenantId
.build();
// Identify the Keystone version
String version = new URL(url).getPath().replace("/", "");
if (version.equals(HeatBridgeConstants.OS_KEYSTONE_V2_KEY)) {
return openstackClientFactory.createOpenstackV2Client(osAccess);
} else if (version.equals(HeatBridgeConstants.OS_KEYSTONE_V3_KEY)) {
return openstackClientFactory.createOpenstackV3Client(osAccess);
}
throw new OpenstackClientException("Unsupported keystone version!");
} catch (MalformedURLException e) {
throw new HeatBridgeException("Malformed Keystone Endpoint in SO configuration.", e);
} catch (OpenstackClientException osClientEx) {
throw new HeatBridgeException("Client error when authenticating with the Openstack V3.", osClientEx);
}
}
}
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