/**
* 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.karaf.commands.compute;
import com.google.common.base.Predicate;
import com.google.common.base.Strings;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.gogo.commands.Option;
import org.jclouds.compute.ComputeService;
import org.jclouds.compute.domain.ComputeMetadata;
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.Set;
/**
* @author <a href="mailto:gnodet[at]gmail.com">Guillaume Nodet (gnodet)</a>
*/
@Command(scope = "jclouds", name = "node-list", description = "Displays the list of nodes.")
public class NodeListCommand extends ComputeCommandWithOptions {
@Option(name = "-g", aliases = "--group", multiValued = false, required = false, description = "Node group")
private String group;
@Override
protected Object doExecute() throws Exception {
ComputeService service = null;
try {
service = getComputeService();
} catch (Throwable t) {
System.err.println(t.getMessage());
return null;
}
Set<? extends NodeMetadata> nodes = service.listNodesDetailsMatching(new Predicate<ComputeMetadata>() {
@Override
public boolean apply(@Nullable ComputeMetadata input) {
NodeMetadata node = (NodeMetadata) input;
if (!Strings.isNullOrEmpty(group) && !group.equals(node.getGroup())) {
return false;
}
return true;
}
});
printNodes(service, nodes, System.out);
for (ComputeMetadata node : service.listNodes()) {
// Update Caches
if (node instanceof NodeMetadata) {
NodeMetadata metadata = (NodeMetadata) node;
for (String cacheKey : ServiceHelper.findCacheKeysForService(service)) {
if (metadata.getStatus().equals(NodeMetadata.Status.RUNNING)) {
cacheProvider.getProviderCacheForType(Constants.ACTIVE_NODE_CACHE).put(
cacheKey, node.getId());
cacheProvider.getProviderCacheForType(Constants.INACTIVE_NODE_CACHE).remove(
cacheKey, node.getId());
cacheProvider.getProviderCacheForType(Constants.SUSPENDED_NODE_CACHE).remove(
cacheKey, node.getId());
} else if (metadata.getStatus().equals(NodeMetadata.Status.SUSPENDED)) {
cacheProvider.getProviderCacheForType(Constants.ACTIVE_NODE_CACHE).remove(
cacheKey, node.getId());
cacheProvider.getProviderCacheForType(Constants.INACTIVE_NODE_CACHE).put(
cacheKey, node.getId());
cacheProvider.getProviderCacheForType(Constants.SUSPENDED_NODE_CACHE).put(
cacheKey, node.getId());
} else if (metadata.getStatus().equals(NodeMetadata.Status.TERMINATED)) {
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());
} else {
cacheProvider.getProviderCacheForType(Constants.ACTIVE_NODE_CACHE).remove(
cacheKey, node.getId());
}
}
}
}
return null;
}
}