package com.alibaba.rocketmq.tools.command.offset;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.PosixParser;
import com.alibaba.rocketmq.common.MixAll;
import com.alibaba.rocketmq.remoting.RPCHook;
import com.alibaba.rocketmq.srvutil.ServerUtil;
import com.alibaba.rocketmq.tools.admin.DefaultMQAdminExt;
import com.alibaba.rocketmq.tools.command.SubCommand;
/**
* 复制某一个 group 的 offset。
*
* @author: manhong.yqd<jodie.yqd@gmail.com>
* @since: 13-9-12
*/
public class CloneGroupOffsetCommand implements SubCommand {
@Override
public String commandName() {
return "cloneGroupOffset";
}
@Override
public String commandDesc() {
return "clone offset from other group.";
}
@Override
public Options buildCommandlineOptions(Options options) {
Option opt = new Option("s", "srcGroup", true, "set source consumer group");
opt.setRequired(true);
options.addOption(opt);
opt = new Option("d", "destGroup", true, "set destination consumer group");
opt.setRequired(true);
options.addOption(opt);
opt = new Option("t", "topic", true, "set the topic");
opt.setRequired(false);
options.addOption(opt);
opt = new Option("o", "offline", true, "the group or the topic is offline");
opt.setRequired(false);
options.addOption(opt);
options.addOption(opt);
return options;
}
@Override
public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) {
DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);
defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));
try {
String srcGroup = commandLine.getOptionValue("s").trim();
String destGroup = commandLine.getOptionValue("d").trim();
String topic = "";
if (commandLine.hasOption('t')) {
topic = commandLine.getOptionValue("t").trim();
}
boolean isOffline = false;
if (commandLine.hasOption('o')) {
isOffline = Boolean.parseBoolean(commandLine.getOptionValue("o").trim());
}
defaultMQAdminExt.start();
defaultMQAdminExt.cloneGroupOffset(srcGroup, destGroup, topic, isOffline);
System.out.printf("clone group offset success. srcGroup[%s], destGroup=[%s], topic[%s]",
srcGroup, destGroup, topic);
}
catch (Exception e) {
e.printStackTrace();
}
finally {
defaultMQAdminExt.shutdown();
}
}
public static void main(String[] args) {
System.setProperty(MixAll.NAMESRV_ADDR_PROPERTY, "127.0.0.1:9876");
CloneGroupOffsetCommand cmd = new CloneGroupOffsetCommand();
Options options = ServerUtil.buildCommandlineOptions(new Options());
String[] subargs =
new String[] { "-t qatest_TopicTest", "-g qatest_consumer", "-s 1389098416742", "-f true" };
final CommandLine commandLine =
ServerUtil.parseCmdLine("mqadmin " + cmd.commandName(), subargs,
cmd.buildCommandlineOptions(options), new PosixParser());
cmd.execute(commandLine, options, null);
}
}