/**
* 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.apache.whirr.cli.command;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.List;
import joptsimple.OptionSet;
import org.apache.whirr.Cluster;
import org.apache.whirr.ClusterController;
import org.apache.whirr.ClusterControllerFactory;
import org.apache.whirr.ClusterSpec;
import org.apache.whirr.command.AbstractClusterCommand;
import org.apache.whirr.util.Utils;
/**
* A command to launch a new cluster.
*/
public class LaunchClusterCommand extends AbstractClusterCommand {
public LaunchClusterCommand() throws IOException {
this(new ClusterControllerFactory());
}
public LaunchClusterCommand(ClusterControllerFactory factory) {
super("launch-cluster", "Launch a new cluster running a service.", factory);
}
@Override
public int run(InputStream in, PrintStream out, PrintStream err,
List<String> args) throws Exception {
OptionSet optionSet = parser.parse(args.toArray(new String[args.size()]));
if (!optionSet.nonOptionArguments().isEmpty()) {
printUsage(err);
return -1;
}
try {
ClusterSpec clusterSpec = getClusterSpec(optionSet);
printProviderInfo(out, err, clusterSpec, optionSet);
return run(in, out, err, clusterSpec);
} catch (IllegalArgumentException e) {
printErrorAndHelpHint(err, e);
return -1;
}
}
public int run(InputStream in, PrintStream out, PrintStream err, ClusterSpec clusterSpec) throws Exception {
ClusterController controller = createClusterController(clusterSpec.getServiceName());
Cluster cluster = controller.launchCluster(clusterSpec);
out.printf("Started cluster of %s instances\n",
cluster.getInstances().size());
out.println(cluster);
Utils.printSSHConnectionDetails(out, clusterSpec, cluster, 20);
out.println("To destroy cluster, run 'whirr destroy-cluster' with the same options used to launch it.");
return 0;
}
}