/**
* 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 com.alibaba.jstorm.utils;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Future;
import backtype.storm.generated.KeyNotFoundException;
import com.alibaba.jstorm.blobstore.BlobStoreUtils;
import com.alibaba.jstorm.blobstore.ClientBlobStore;
import org.apache.commons.io.FileUtils;
import org.apache.thrift.TException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import backtype.storm.Config;
import backtype.storm.GenericOptionsParser;
import backtype.storm.utils.Utils;
import com.alibaba.jstorm.client.ConfigExtension;
import com.alibaba.jstorm.cluster.StormConfig;
/**
* storm utils
*
* @author yannian/Longda/Xin.Zhou/Xin.Li
*/
public class JStormServerUtils {
private static final Logger LOG = LoggerFactory.getLogger(JStormServerUtils.class);
public static void downloadCodeFromBlobStore(Map conf, String localRoot, String topologyId)
throws IOException, KeyNotFoundException {
ClientBlobStore blobStore = BlobStoreUtils.getClientBlobStoreForSupervisor(conf);
FileUtils.forceMkdir(new File(localRoot));
String localStormJarPath = StormConfig.stormjar_path(localRoot);
String masterStormJarKey = StormConfig.master_stormjar_key(topologyId);
BlobStoreUtils.downloadResourcesAsSupervisor(masterStormJarKey, localStormJarPath, blobStore, conf);
String localStormCodePath = StormConfig.stormcode_path(localRoot);
String masterStormCodeKey = StormConfig.master_stormcode_key(topologyId);
BlobStoreUtils.downloadResourcesAsSupervisor(masterStormCodeKey, localStormCodePath, blobStore, conf);
String localStormConfPath = StormConfig.stormconf_path(localRoot);
String masterStormConfKey = StormConfig.master_stormconf_key(topologyId);
BlobStoreUtils.downloadResourcesAsSupervisor(masterStormConfKey, localStormConfPath, blobStore, conf);
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) {
for (String libName : libs) {
String localStormLibPath = StormConfig.stormlib_path(localRoot, libName);
String masterStormLibKey = StormConfig.master_stormlib_key(topologyId, libName);
//make sure the parent lib dir is exist
new File(localStormLibPath).getParentFile().mkdir();
BlobStoreUtils.downloadResourcesAsSupervisor(masterStormLibKey, localStormLibPath, blobStore, conf);
}
}
blobStore.shutdown();
}
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()) {
file.mkdirs();
} else if (!file.isDirectory()) {
throw new RuntimeException("pid dir:" + dir + " isn't directory");
}
String[] existPids = file.list();
if (existPids == null) {
existPids = new String[]{};
}
for (String existPid : existPids) {
try {
JStormUtils.kill(Integer.valueOf(existPid));
PathUtils.rmpath(dir + File.separator + existPid);
} catch (Exception e) {
LOG.warn(e.getMessage(), e);
}
}
// touch pid before
String pid = JStormUtils.process_pid();
String pidPath = dir + File.separator + pid;
PathUtils.touch(pidPath);
LOG.info("Successfully touch pid " + pidPath);
}
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);
return pendingNum == 1;
}
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;
}
public static void checkFutures(List<Future<?>> futures) {
Iterator<Future<?>> i = futures.iterator();
while (i.hasNext()) {
Future<?> f = i.next();
if (f.isDone()) {
i.remove();
}
try {
// wait for all task done
f.get();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
}