| package org.apache.s4.tools; |
| |
| import java.io.File; |
| import java.util.Arrays; |
| |
| import org.I0Itec.zkclient.IDefaultNameSpace; |
| import org.I0Itec.zkclient.ZkClient; |
| import org.I0Itec.zkclient.ZkServer; |
| import org.apache.commons.io.FileUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.beust.jcommander.JCommander; |
| import com.beust.jcommander.Parameter; |
| import com.beust.jcommander.Parameters; |
| |
| public class ZKServer { |
| |
| static Logger logger = LoggerFactory.getLogger(ZKServer.class); |
| |
| public static void main(String[] args) { |
| ZKServerArgs zkArgs = new ZKServerArgs(); |
| JCommander jc = new JCommander(zkArgs); |
| try { |
| jc.parse(args); |
| } catch (Exception e) { |
| System.out.println(Arrays.toString(args)); |
| e.printStackTrace(); |
| jc.usage(); |
| System.exit(-1); |
| } |
| try { |
| |
| logger.info("Starting zookeeper server on port [{}]", zkArgs.zkPort); |
| |
| if (zkArgs.clean) { |
| logger.info("cleaning existing data in [{}] and [{}]", zkArgs.dataDir, zkArgs.logDir); |
| FileUtils.deleteDirectory(new File(zkArgs.dataDir)); |
| FileUtils.deleteDirectory(new File(zkArgs.logDir)); |
| } |
| IDefaultNameSpace defaultNameSpace = new IDefaultNameSpace() { |
| |
| @Override |
| public void createDefaultNameSpace(ZkClient zkClient) { |
| |
| } |
| }; |
| |
| ZkServer zkServer = new ZkServer(zkArgs.dataDir, zkArgs.logDir, defaultNameSpace); |
| zkServer.start(); |
| } catch (Exception e) { |
| logger.error("Cannot initialize zookeeper with specified configuration", e); |
| } |
| } |
| |
| @Parameters(separators = "=", commandDescription = "Start Zookeeper server") |
| static class ZKServerArgs { |
| |
| @Parameter(names = "-port", description = "Zookeeper port") |
| String zkPort = "2181"; |
| |
| @Parameter(names = "-dataDir", description = "data directory", required = false) |
| String dataDir = new File(System.getProperty("java.io.tmpdir") + File.separator + "tmp" + File.separator |
| + "zookeeper" + File.separator + "data").getAbsolutePath(); |
| |
| @Parameter(names = "-clean", description = "clean zookeeper data (arity=0) (make sure you specify correct directories...)") |
| boolean clean = true; |
| |
| @Parameter(names = "-logDir", description = "log directory") |
| String logDir = new File(System.getProperty("java.io.tmpdir") + File.separator + "tmp" + File.separator |
| + "zookeeper" + File.separator + "log").getAbsolutePath(); |
| |
| } |
| |
| } |