/*
* 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.openstack.nova.v2_0.compute.loaders;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import javax.annotation.Resource;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.compute.functions.GroupNamingConvention;
import org.jclouds.compute.reference.ComputeServiceConstants;
import org.jclouds.logging.Logger;
import org.jclouds.openstack.nova.v2_0.NovaApi;
import org.jclouds.openstack.nova.v2_0.domain.KeyPair;
import org.jclouds.openstack.nova.v2_0.domain.zonescoped.ZoneAndName;
import org.jclouds.openstack.nova.v2_0.extensions.KeyPairApi;
import com.google.common.base.Optional;
import com.google.common.cache.CacheLoader;
import com.google.inject.Inject;
/**
* @author Adam Lowe
*/
@Singleton
public class CreateUniqueKeyPair extends CacheLoader<ZoneAndName, KeyPair> {
@Resource
@Named(ComputeServiceConstants.COMPUTE_LOGGER)
protected Logger logger = Logger.NULL;
protected final NovaApi novaApi;
protected final GroupNamingConvention.Factory namingConvention;
@Inject
public CreateUniqueKeyPair(NovaApi novaApi, GroupNamingConvention.Factory namingConvention) {
this.novaApi = checkNotNull(novaApi, "novaApi");
this.namingConvention = checkNotNull(namingConvention, "namingConvention");
}
@Override
public KeyPair load(ZoneAndName zoneAndName) {
String zoneId = checkNotNull(zoneAndName, "zoneAndName").getZone();
String prefix = zoneAndName.getName();
Optional<? extends KeyPairApi> api = novaApi.getKeyPairExtensionForZone(zoneId);
checkArgument(api.isPresent(), "Key pairs are required, but the extension is not available in zone %s!",
zoneId);
logger.debug(">> creating keyPair zone(%s) prefix(%s)", zoneId, prefix);
KeyPair keyPair = null;
while (keyPair == null) {
try {
keyPair = api.get().create(namingConvention.createWithoutPrefix().uniqueNameForGroup(prefix));
} catch (IllegalStateException e) {
}
}
logger.debug("<< created keyPair(%s)", keyPair.getName());
return keyPair;
}
}