| /** |
| * 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.openstack.nova.v2_0.compute.functions; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Preconditions.checkState; |
| import static org.jclouds.compute.config.ComputeServiceProperties.TIMEOUT_NODE_RUNNING; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import javax.annotation.Resource; |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| |
| import org.jclouds.compute.domain.NodeMetadata; |
| import org.jclouds.compute.domain.NodeMetadataBuilder; |
| 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.FloatingIP; |
| import org.jclouds.openstack.nova.v2_0.domain.zonescoped.ZoneAndId; |
| import org.jclouds.openstack.nova.v2_0.extensions.FloatingIPApi; |
| import org.jclouds.rest.InsufficientResourcesException; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Objects; |
| import com.google.common.base.Predicate; |
| import com.google.common.cache.LoadingCache; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.Lists; |
| |
| /** |
| * A function for adding and allocating an ip to a node |
| * |
| * @author Adrian Cole |
| */ |
| public class AllocateAndAddFloatingIpToNode implements |
| Function<AtomicReference<NodeMetadata>, AtomicReference<NodeMetadata>> { |
| |
| @Resource |
| @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| protected Logger logger = Logger.NULL; |
| |
| private final Predicate<AtomicReference<NodeMetadata>> nodeRunning; |
| private final NovaApi novaApi; |
| private final LoadingCache<ZoneAndId, Iterable<? extends FloatingIP>> floatingIpCache; |
| |
| @Inject |
| public AllocateAndAddFloatingIpToNode(@Named(TIMEOUT_NODE_RUNNING) Predicate<AtomicReference<NodeMetadata>> nodeRunning, |
| NovaApi novaApi, @Named("FLOATINGIP") LoadingCache<ZoneAndId, Iterable<? extends FloatingIP>> floatingIpCache) { |
| this.nodeRunning = checkNotNull(nodeRunning, "nodeRunning"); |
| this.novaApi = checkNotNull(novaApi, "novaApi"); |
| this.floatingIpCache = checkNotNull(floatingIpCache, "floatingIpCache"); |
| } |
| |
| @Override |
| public AtomicReference<NodeMetadata> apply(AtomicReference<NodeMetadata> input) { |
| checkState(nodeRunning.apply(input), "node never achieved state running %s", input.get()); |
| NodeMetadata node = input.get(); |
| // node's location is a host |
| String zoneId = node.getLocation().getParent().getId(); |
| FloatingIPApi floatingIpApi = novaApi.getFloatingIPExtensionForZone(zoneId).get(); |
| |
| FloatingIP ip = null; |
| try { |
| logger.debug(">> allocating or reassigning floating ip for node(%s)", node.getId()); |
| ip = floatingIpApi.allocate(); |
| } catch (InsufficientResourcesException e) { |
| logger.trace("<< [%s] allocating a new floating ip for node(%s)", e.getMessage(), node.getId()); |
| logger.trace(">> searching for existing, unassigned floating ip for node(%s)", node.getId()); |
| ArrayList<FloatingIP> unassignedIps = Lists.newArrayList(Iterables.filter(floatingIpApi.listFloatingIPs(), |
| new Predicate<FloatingIP>() { |
| |
| @Override |
| public boolean apply(FloatingIP arg0) { |
| return arg0.getFixedIp() == null; |
| } |
| |
| })); |
| // try to prevent multiple parallel launches from choosing the same ip. |
| Collections.shuffle(unassignedIps); |
| ip = Iterables.getLast(unassignedIps); |
| } |
| logger.debug(">> adding floatingIp(%s) to node(%s)", ip.getIp(), node.getId()); |
| |
| floatingIpApi.addFloatingIPToServer(ip.getIp(), node.getProviderId()); |
| input.set(NodeMetadataBuilder.fromNodeMetadata(node).publicAddresses(ImmutableSet.of(ip.getIp())).build()); |
| floatingIpCache.invalidate(ZoneAndId.fromSlashEncoded(node.getId())); |
| return input; |
| } |
| |
| @Override |
| public String toString() { |
| return Objects.toStringHelper("AllocateAndAddFloatingIpToNode").toString(); |
| } |
| } |