package org.act.tstream.utils;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
import org.apache.thrift7.TException;
import backtype.storm.Config;
import backtype.storm.GenericOptionsParser;
import backtype.storm.utils.Utils;
import org.act.tstream.client.ConfigExtension;
import org.act.tstream.cluster.StormConfig;
/**
* storm utils
*
*
* @author yannian/Longda/Xin.Zhou/Xin.Li
*
*/
public class JStormServerUtils {
private static final Logger LOG = Logger.getLogger(JStormServerUtils.class);
public static void downloadCodeFromMaster(Map conf, String localRoot,
String masterCodeDir, String topologyId, boolean isSupervisor)
throws IOException, TException {
FileUtils.forceMkdir(new File(localRoot));
FileUtils.forceMkdir(new File(StormConfig.stormlib_path(localRoot)));
String localStormjarPath = StormConfig.stormjar_path(localRoot);
String masterStormjarPath = StormConfig.stormjar_path(masterCodeDir);
Utils.downloadFromMaster(conf, masterStormjarPath, localStormjarPath);
String localStormcodePath = StormConfig.stormcode_path(localRoot);
String masterStormcodePath = StormConfig.stormcode_path(masterCodeDir);
Utils.downloadFromMaster(conf, masterStormcodePath, localStormcodePath);
String localStormConfPath = StormConfig.stormconf_path(localRoot);
String masterStormConfPath = StormConfig.stormconf_path(masterCodeDir);
Utils.downloadFromMaster(conf, masterStormConfPath, localStormConfPath);
Map stormConf = (Map) StormConfig.readLocalObject(topologyId,
localStormConfPath);
if (stormConf == null)
throw new IOException("Get topology conf error: " + topologyId);
List<String> libs = (List<String>) stormConf
.get(GenericOptionsParser.TOPOLOGY_LIB_NAME);
if (libs == null)
return;
for (String libName : libs) {
String localStromLibPath = StormConfig.stormlib_path(localRoot,
libName);
String masterStormLibPath = StormConfig.stormlib_path(
masterCodeDir, libName);
Utils.downloadFromMaster(conf, masterStormLibPath,
localStromLibPath);
}
}
public static void createPid(String dir) throws Exception {
File file = new File(dir);
if (file.exists() == false) {
file.mkdirs();
} else if (file.isDirectory() == false) {
throw new RuntimeException("pid dir:" + dir + " isn't directory");
}
String[] existPids = file.list();
// touch pid before
String pid = JStormUtils.process_pid();
String pidPath = dir + File.separator + pid;
PathUtils.touch(pidPath);
LOG.info("Successfully touch pid " + pidPath);
for (String existPid : existPids) {
try {
JStormUtils.kill(Integer.valueOf(existPid));
PathUtils.rmpath(dir + File.separator + existPid);
} catch (Exception e) {
LOG.warn(e.getMessage(), e);
}
}
}
public static void startTaobaoJvmMonitor() {
// JmonitorBootstrap bootstrap = JmonitorBootstrap.getInstance();
// bootstrap.start();
}
public static boolean isOnePending(Map conf) {
Object pending = conf.get(Config.TOPOLOGY_MAX_SPOUT_PENDING);
if (pending == null) {
return false;
}
int pendingNum = JStormUtils.parseInt(pending);
if (pendingNum == 1) {
return true;
}else {
return false;
}
}
public static String getName(String componentId, int taskId) {
return componentId + ":" + taskId;
}
public static String getHostName(Map conf) {
String hostName = ConfigExtension.getSupervisorHost(conf);
if (hostName == null) {
hostName = NetWorkUtils.hostname();
}
if (ConfigExtension.isSupervisorUseIp(conf)) {
hostName = NetWorkUtils.ip();
}
return hostName;
}
};