/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* Licensed 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 com.linkedin.pinot.tools.admin.command;
import com.linkedin.pinot.common.utils.KafkaStarterUtils;
import com.linkedin.pinot.tools.Command;
import java.io.File;
import java.io.IOException;
import org.kohsuke.args4j.Option;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Class for command to start Kafka.
*/
public class StartKafkaCommand extends AbstractBaseAdminCommand implements Command {
private static final Logger LOGGER = LoggerFactory.getLogger(StartKafkaCommand.class);
@Option(name="-port", required=false, metaVar="<int>", usage="Port to start Kafka server on.")
private int _port = KafkaStarterUtils.DEFAULT_KAFKA_PORT;
@Option(name="-help", required=false, help=true, aliases={"-h", "--h", "--help"}, usage="Print this message.")
private boolean _help = false;
@Option(name="-brokerId", required=false, metaVar="<int>", usage="Kafka broker ID.")
private int _brokerId = KafkaStarterUtils.DEFAULT_BROKER_ID;
@Option(name="-zkAddress", required=false, metaVar="<string>", usage="Address of Zookeeper.")
private String _zkAddress = "localhost:2181";
@Override
public boolean getHelp() {
return _help;
}
@Override
public String getName() {
return "StartKafka";
}
@Override
public String toString() {
return "StartKafka -port " + _port + " -brokerId " + _brokerId + " -zkAddress " + _zkAddress;
}
@Override
public String description() {
return "Start Kafka at the specified port.";
}
@Override
public boolean execute() throws IOException {
KafkaStarterUtils.startServer(_port, _brokerId, _zkAddress, KafkaStarterUtils.getDefaultKafkaConfiguration());
LOGGER.info("Start kafka at localhost:" + _port + " in thread " + Thread.currentThread().getName());
savePID(System.getProperty("java.io.tmpdir") + File.separator + ".kafka.pid");
return true;
}
}