/*
* 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.karaf.commands.compute;
import com.google.common.base.Predicate;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.jclouds.compute.ComputeService;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.javax.annotation.Nullable;
import org.jclouds.karaf.core.Constants;
import org.jclouds.karaf.utils.ServiceHelper;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
/**
* @author <a href="mailto:gnodet[at]gmail.com">Guillaume Nodet (gnodet)</a>
*/
@Command(scope = "jclouds", name = "group-destroy", description = "Destroys a group of nodes.")
public class GroupDestroyCommand extends ComputeCommandWithOptions {
@Argument(index = 0, name = "group", description = "The groups of nodes to destroy.", required = true, multiValued = true)
private List<String> groups;
@Override
protected Object doExecute() throws Exception {
ComputeService service = getComputeService();
if (service == null) {
System.out.println("Failed to find or create a compute service.");
return null;
}
Set<NodeMetadata> aggregatedMetadata = new LinkedHashSet<NodeMetadata>();
for (final String group : groups) {
Set<? extends NodeMetadata> nodeMetadatas = service.destroyNodesMatching(new Predicate<NodeMetadata>() {
@Override
public boolean apply(@Nullable NodeMetadata input) {
return input.getGroup().contains(group);
}
});
for (NodeMetadata node : nodeMetadatas) {
for (String cacheKey : ServiceHelper.findCacheKeysForService(service)) {
cacheProvider.getProviderCacheForType(Constants.ACTIVE_NODE_CACHE).remove(cacheKey, node.getId());
cacheProvider.getProviderCacheForType(Constants.INACTIVE_NODE_CACHE).remove(cacheKey, node.getId());
cacheProvider.getProviderCacheForType(Constants.SUSPENDED_NODE_CACHE).remove(cacheKey, node.getId());
aggregatedMetadata.add(node);
}
}
}
if (!aggregatedMetadata.isEmpty()) {
System.out.println("Destroyed nodes:");
printNodes(service, aggregatedMetadata, System.out);
}
return null;
}
}