| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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.ec2.compute.functions; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.jclouds.compute.config.ComputeServiceProperties.RESOURCENAME_DELIMITER; |
| |
| import javax.annotation.Resource; |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.compute.reference.ComputeServiceConstants; |
| import org.jclouds.ec2.EC2Client; |
| import org.jclouds.ec2.compute.domain.RegionAndName; |
| import org.jclouds.ec2.domain.KeyPair; |
| import org.jclouds.logging.Logger; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Function; |
| import com.google.common.base.Supplier; |
| import com.google.inject.Inject; |
| |
| /** |
| * |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class CreateUniqueKeyPair implements Function<RegionAndName, KeyPair> { |
| @Resource |
| @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| protected Logger logger = Logger.NULL; |
| protected final EC2Client ec2Client; |
| protected final Supplier<String> randomSuffix; |
| |
| @Inject |
| public CreateUniqueKeyPair(EC2Client ec2Client, Supplier<String> randomSuffix) { |
| this.ec2Client = ec2Client; |
| this.randomSuffix = randomSuffix; |
| } |
| |
| @Override |
| public KeyPair apply(RegionAndName from) { |
| return createNewKeyPairInRegion(from.getRegion(), from.getName()); |
| } |
| |
| @VisibleForTesting |
| KeyPair createNewKeyPairInRegion(String region, String group) { |
| checkNotNull(region, "region"); |
| checkNotNull(group, "group"); |
| logger.debug(">> creating keyPair region(%s) group(%s)", region, group); |
| KeyPair keyPair = null; |
| while (keyPair == null) { |
| try { |
| keyPair = ec2Client.getKeyPairServices().createKeyPairInRegion(region, getNextName(region, group)); |
| logger.debug("<< created keyPair(%s)", keyPair); |
| } catch (IllegalStateException e) { |
| |
| } |
| } |
| return keyPair; |
| } |
| |
| @Inject(optional=true) |
| @Named(RESOURCENAME_DELIMITER) |
| char delimiter = '#'; |
| |
| private String getNextName(String region, String group) { |
| return String.format("jclouds#%s#%s#%s", group, region, randomSuffix.get()).replace('#', delimiter); |
| } |
| } |