| /* |
| * 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.functions; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.collect.Iterables.filter; |
| import static com.google.common.collect.Iterables.transform; |
| import static com.google.common.collect.Sets.filter; |
| |
| import java.util.Set; |
| |
| import javax.inject.Inject; |
| |
| import org.jclouds.compute.ComputeService; |
| import org.jclouds.compute.domain.NodeMetadata; |
| import org.jclouds.compute.predicates.NodePredicates; |
| import org.jclouds.domain.LocationScope; |
| import org.jclouds.openstack.nova.v2_0.compute.predicates.AllNodesInGroupTerminated; |
| import org.jclouds.openstack.nova.v2_0.domain.regionscoped.RegionAndName; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Function; |
| import com.google.common.base.Predicate; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Multimap; |
| import com.google.common.collect.Multimaps; |
| |
| public class OrphanedGroupsByRegionId implements Function<Set<? extends NodeMetadata>, Multimap<String, String>> { |
| private final Predicate<RegionAndName> allNodesInGroupTerminated; |
| |
| @Inject |
| protected OrphanedGroupsByRegionId(ComputeService computeService) { |
| this(new AllNodesInGroupTerminated(checkNotNull(computeService, "computeService"))); |
| } |
| |
| @VisibleForTesting |
| OrphanedGroupsByRegionId(Predicate<RegionAndName> allNodesInGroupTerminated) { |
| this.allNodesInGroupTerminated = checkNotNull(allNodesInGroupTerminated, "allNodesInGroupTerminated"); |
| } |
| |
| public Multimap<String, String> apply(Set<? extends NodeMetadata> deadNodes) { |
| Iterable<? extends NodeMetadata> nodesWithGroup = filter(deadNodes, NodePredicates.hasGroup()); |
| Set<RegionAndName> regionAndGroupNames = ImmutableSet.copyOf(filter(transform(nodesWithGroup, |
| new Function<NodeMetadata, RegionAndName>() { |
| |
| @Override |
| public RegionAndName apply(NodeMetadata input) { |
| String regionId = input.getLocation().getScope() == LocationScope.HOST ? input.getLocation() |
| .getParent().getId() : input.getLocation().getId(); |
| return RegionAndName.fromRegionAndName(regionId, input.getGroup()); |
| } |
| |
| }), allNodesInGroupTerminated)); |
| Multimap<String, String> regionToRegionAndGroupNames = Multimaps.transformValues(Multimaps.index(regionAndGroupNames, |
| RegionAndName.REGION_FUNCTION), RegionAndName.NAME_FUNCTION); |
| return regionToRegionAndGroupNames; |
| } |
| |
| } |