/*
* 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.karaf.instance.command;
import java.util.ArrayList;
import java.util.List;
import org.apache.karaf.instance.command.completers.StoppedInstanceCompleter;
import org.apache.karaf.instance.core.Instance;
import org.apache.karaf.shell.api.action.Argument;
import org.apache.karaf.shell.api.action.Command;
import org.apache.karaf.shell.api.action.Completion;
import org.apache.karaf.shell.api.action.Option;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.apache.karaf.shell.support.MultiException;
@Command(scope = "instance", name = "start", description = "Start an existing container instance.")
@Service
public class StartCommand extends InstanceCommandSupport {
@Option(name = "-d", aliases = { "--debug"}, description = "Start the instance in debug mode", required = false, multiValued = false)
private boolean debug;
@Option(name = "-o", aliases = { "--java-opts"}, description = "Java options when launching the instance", required = false, multiValued = false)
private String javaOpts;
@Option(name = "-w", aliases = { "--wait"}, description = "Wait for the instance to be fully started", required = false, multiValued = false)
private boolean wait;
@Argument(index = 0, name = "name", description = "The name of the container instance", required = true, multiValued = true)
@Completion(StoppedInstanceCompleter.class)
private List<String> instances = null;
static final String DEBUG_OPTS = " -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005";
static final String DEFAULT_OPTS = "-server -Xmx512M -Dcom.sun.management.jmxremote";
protected Object doExecute() throws Exception {
MultiException exception = new MultiException("Error starting instance(s)");
List<Instance> toWaitFor = new ArrayList<>();
for (Instance instance : getMatchingInstances(instances)) {
try {
String opts = javaOpts;
if (opts == null) {
opts = instance.getJavaOpts();
}
if (opts == null) {
opts = DEFAULT_OPTS;
}
if (debug) {
opts += DEBUG_OPTS;
}
if (wait) {
String state = instance.getState();
if (Instance.STOPPED.equals(state)) {
instance.start(opts);
toWaitFor.add(instance);
}
} else {
instance.start(opts);
}
} catch (Exception e) {
exception.addException(e);
}
}
exception.throwIfExceptions();
while (true) {
boolean allStarted = true;
for (Instance child : toWaitFor) {
allStarted &= Instance.STARTED.equals(child.getState());
}
if (allStarted) {
break;
} else {
Thread.sleep(500);
}
}
return null;
}
}