/*
* 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.cloudstack.functions;
import static com.google.common.base.Preconditions.checkNotNull;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.cloudstack.CloudStackApi;
import org.jclouds.cloudstack.domain.Network;
import org.jclouds.cloudstack.domain.PublicIPAddress;
import org.jclouds.cloudstack.domain.VirtualMachine;
import org.jclouds.compute.reference.ComputeServiceConstants;
import org.jclouds.logging.Logger;
import com.google.common.base.Function;
import com.google.inject.assistedinject.Assisted;
/**
*
* @author Adrian Cole
*/
@Singleton
public class StaticNATVirtualMachineInNetwork implements Function<VirtualMachine, PublicIPAddress> {
public interface Factory {
StaticNATVirtualMachineInNetwork create(Network in);
}
@Resource
@Named(ComputeServiceConstants.COMPUTE_LOGGER)
protected Logger logger = Logger.NULL;
private final CloudStackApi client;
private final ReuseOrAssociateNewPublicIPAddress reuseOrAssociate;
private final Network network;
@Inject
public StaticNATVirtualMachineInNetwork(CloudStackApi client,
ReuseOrAssociateNewPublicIPAddress reuseOrAssociate, @Assisted Network network) {
this.client = checkNotNull(client, "client");
this.reuseOrAssociate = checkNotNull(reuseOrAssociate, "reuseOrAssociate");
this.network = checkNotNull(network, "network");
}
public PublicIPAddress apply(VirtualMachine vm) {
PublicIPAddress ip;
for (ip = reuseOrAssociate.apply(network); !ip.isStaticNAT() || ip.getVirtualMachineId() != vm.getId(); ip = reuseOrAssociate
.apply(network)) {
// check to see if someone already grabbed this ip
if (ip.getVirtualMachineId() != null && ip.getVirtualMachineId() != vm.getId())
continue;
try {
logger.debug(">> static NATing IPAddress(%s) to virtualMachine(%s)", ip.getId(), vm.getId());
client.getNATApi().enableStaticNATForVirtualMachine(vm.getId(), ip.getId());
ip = client.getAddressApi().getPublicIPAddress(ip.getId());
if (ip.isStaticNAT() && ip.getVirtualMachineId().equals(vm.getId()))
break;
} catch (IllegalStateException e) {
// very likely an ip conflict, so retry;
}
return ip;
}
return ip;
}
}