|
|
|
/*
|
|
|
|
* 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 org.apache.dolphinscheduler.plugin.task.api;
|
|
|
|
|
|
|
|
import static org.apache.dolphinscheduler.plugin.task.api.TaskConstants.EXIT_CODE_FAILURE;
|
|
|
|
import static org.apache.dolphinscheduler.plugin.task.api.TaskConstants.EXIT_CODE_KILL;
|
|
|
|
import static org.apache.dolphinscheduler.plugin.task.api.utils.ProcessUtils.getPidsStr;
|
|
|
|
|
|
|
|
import org.apache.dolphinscheduler.common.log.remote.RemoteLogUtils;
|
|
|
|
import org.apache.dolphinscheduler.common.utils.PropertyUtils;
|
|
|
|
import org.apache.dolphinscheduler.plugin.task.api.enums.TaskExecutionStatus;
|
|
|
|
import org.apache.dolphinscheduler.plugin.task.api.model.TaskResponse;
|
|
|
|
import org.apache.dolphinscheduler.plugin.task.api.utils.AbstractCommandExecutorConstants;
|
|
|
|
import org.apache.dolphinscheduler.plugin.task.api.utils.OSUtils;
|
|
|
|
import org.apache.dolphinscheduler.plugin.task.api.utils.ProcessUtils;
|
|
|
|
|
|
|
|
import org.apache.commons.lang3.StringUtils;
|
|
|
|
import org.apache.commons.lang3.SystemUtils;
|
|
|
|
|
|
|
|
import java.io.BufferedReader;
|
|
|
|
import java.io.File;
|
|
|
|
import java.io.IOException;
|
|
|
|
import java.io.InputStreamReader;
|
|
|
|
import java.lang.reflect.Field;
|
|
|
|
import java.util.LinkedList;
|
|
|
|
import java.util.List;
|
|
|
|
import java.util.Objects;
|
|
|
|
import java.util.concurrent.ExecutionException;
|
|
|
|
import java.util.concurrent.ExecutorService;
|
|
|
|
import java.util.concurrent.Executors;
|
|
|
|
import java.util.concurrent.Future;
|
|
|
|
import java.util.concurrent.LinkedBlockingQueue;
|
|
|
|
import java.util.concurrent.ThreadFactory;
|
|
|
|
import java.util.concurrent.TimeUnit;
|
|
|
|
import java.util.function.Consumer;
|
|
|
|
import java.util.regex.Matcher;
|
|
|
|
import java.util.regex.Pattern;
|
|
|
|
|
|
|
|
import org.slf4j.Logger;
|
|
|
|
|
|
|
|
import com.google.common.util.concurrent.ThreadFactoryBuilder;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* abstract command executor
|
|
|
|
*/
|
|
|
|
public abstract class AbstractCommandExecutor {
|
|
|
|
|
|
|
|
/**
|
|
|
|
* rules for extracting Var Pool
|
|
|
|
*/
|
|
|
|
protected static final Pattern SETVALUE_REGEX = Pattern.compile(TaskConstants.SETVALUE_REGEX);
|
|
|
|
|
|
|
|
protected StringBuilder varPool = new StringBuilder();
|
|
|
|
/**
|
|
|
|
* process
|
|
|
|
*/
|
|
|
|
private Process process;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* log handler
|
|
|
|
*/
|
|
|
|
protected Consumer<LinkedBlockingQueue<String>> logHandler;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* logger
|
|
|
|
*/
|
|
|
|
protected Logger logger;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* log list
|
|
|
|
*/
|
|
|
|
protected LinkedBlockingQueue<String> logBuffer;
|
|
|
|
|
|
|
|
protected boolean logOutputIsSuccess = false;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* SHELL result string
|
|
|
|
*/
|
|
|
|
protected String taskResultString;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* taskRequest
|
|
|
|
*/
|
|
|
|
protected TaskExecutionContext taskRequest;
|
|
|
|
|
|
|
|
protected Future<?> taskOutputFuture;
|
|
|
|
|
|
|
|
public AbstractCommandExecutor(Consumer<LinkedBlockingQueue<String>> logHandler,
|
|
|
|
TaskExecutionContext taskRequest,
|
|
|
|
Logger logger) {
|
|
|
|
this.logHandler = logHandler;
|
|
|
|
this.taskRequest = taskRequest;
|
|
|
|
this.logger = logger;
|
|
|
|
this.logBuffer = new LinkedBlockingQueue<>();
|
|
|
|
|
|
|
|
if (this.taskRequest != null) {
|
|
|
|
// set logBufferEnable=true if the task uses logHandler and logBuffer to buffer log messages
|
|
|
|
this.taskRequest.setLogBufferEnable(true);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public AbstractCommandExecutor(LinkedBlockingQueue<String> logBuffer) {
|
|
|
|
this.logBuffer = logBuffer;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* build process
|
|
|
|
*
|
|
|
|
* @param commandFile command file
|
|
|
|
* @throws IOException IO Exception
|
|
|
|
*/
|
|
|
|
private void buildProcess(String commandFile) throws IOException {
|
|
|
|
// setting up user to run commands
|
|
|
|
List<String> command = new LinkedList<>();
|
|
|
|
|
|
|
|
// init process builder
|
|
|
|
ProcessBuilder processBuilder = new ProcessBuilder();
|
|
|
|
// setting up a working directory
|
|
|
|
processBuilder.directory(new File(taskRequest.getExecutePath()));
|
|
|
|
// merge error information to standard output stream
|
|
|
|
processBuilder.redirectErrorStream(true);
|
|
|
|
|
|
|
|
// if sudo.enable=true,setting up user to run commands
|
|
|
|
if (OSUtils.isSudoEnable()) {
|
|
|
|
if (SystemUtils.IS_OS_LINUX
|
|
|
|
&& PropertyUtils.getBoolean(AbstractCommandExecutorConstants.TASK_RESOURCE_LIMIT_STATE)) {
|
|
|
|
generateCgroupCommand(command);
|
|
|
|
} else {
|
|
|
|
command.add("sudo");
|
|
|
|
command.add("-u");
|
|
|
|
command.add(taskRequest.getTenantCode());
|
|
|
|
command.add("-E");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
command.add(commandInterpreter());
|
|
|
|
command.add(commandFile);
|
|
|
|
|
|
|
|
// setting commands
|
|
|
|
processBuilder.command(command);
|
|
|
|
process = processBuilder.start();
|
|
|
|
|
|
|
|
printCommand(command);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* generate systemd command.
|
|
|
|
* eg: sudo systemd-run -q --scope -p CPUQuota=100% -p MemoryLimit=200M --uid=root
|
|
|
|
* @param command command
|
|
|
|
*/
|
|
|
|
private void generateCgroupCommand(List<String> command) {
|
|
|
|
Integer cpuQuota = taskRequest.getCpuQuota();
|
|
|
|
Integer memoryMax = taskRequest.getMemoryMax();
|
|
|
|
|
|
|
|
command.add("sudo");
|
|
|
|
command.add("systemd-run");
|
|
|
|
command.add("-q");
|
|
|
|
command.add("--scope");
|
|
|
|
|
|
|
|
if (cpuQuota == -1) {
|
|
|
|
command.add("-p");
|
|
|
|
command.add("CPUQuota=");
|
|
|
|
} else {
|
|
|
|
command.add("-p");
|
|
|
|
command.add(String.format("CPUQuota=%s%%", taskRequest.getCpuQuota()));
|
|
|
|
}
|
|
|
|
|
|
|
|
// use `man systemd.resource-control` to find available parameter
|
|
|
|
if (memoryMax == -1) {
|
|
|
|
command.add("-p");
|
|
|
|
command.add(String.format("MemoryLimit=%s", "infinity"));
|
|
|
|
} else {
|
|
|
|
command.add("-p");
|
|
|
|
command.add(String.format("MemoryLimit=%sM", taskRequest.getMemoryMax()));
|
|
|
|
}
|
|
|
|
|
|
|
|
command.add(String.format("--uid=%s", taskRequest.getTenantCode()));
|
|
|
|
}
|
|
|
|
|
|
|
|
public TaskResponse run(String execCommand, TaskCallBack taskCallBack) throws IOException, InterruptedException {
|
|
|
|
TaskResponse result = new TaskResponse();
|
|
|
|
int taskInstanceId = taskRequest.getTaskInstanceId();
|
|
|
|
if (null == TaskExecutionContextCacheManager.getByTaskInstanceId(taskInstanceId)) {
|
|
|
|
result.setExitStatusCode(EXIT_CODE_KILL);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
if (StringUtils.isEmpty(execCommand)) {
|
|
|
|
TaskExecutionContextCacheManager.removeByTaskInstanceId(taskInstanceId);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
String commandFilePath = buildCommandFilePath();
|
|
|
|
|
|
|
|
// create command file if not exists
|
|
|
|
createCommandFileIfNotExists(execCommand, commandFilePath);
|
|
|
|
|
|
|
|
// build process
|
|
|
|
buildProcess(commandFilePath);
|
|
|
|
|
|
|
|
// parse process output
|
|
|
|
parseProcessOutput(process);
|
|
|
|
|
|
|
|
int processId = getProcessId(process);
|
|
|
|
|
|
|
|
result.setProcessId(processId);
|
|
|
|
|
|
|
|
// cache processId
|
|
|
|
taskRequest.setProcessId(processId);
|
|
|
|
boolean updateTaskExecutionContextStatus =
|
|
|
|
TaskExecutionContextCacheManager.updateTaskExecutionContext(taskRequest);
|
|
|
|
if (Boolean.FALSE.equals(updateTaskExecutionContextStatus)) {
|
|
|
|
ProcessUtils.kill(taskRequest);
|
|
|
|
result.setExitStatusCode(EXIT_CODE_KILL);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
// print process id
|
|
|
|
logger.info("process start, process id is: {}", processId);
|
|
|
|
|
|
|
|
// if timeout occurs, exit directly
|
|
|
|
long remainTime = getRemainTime();
|
|
|
|
|
|
|
|
// update pid before waiting for the run to finish
|
|
|
|
if (null != taskCallBack) {
|
|
|
|
taskCallBack.updateTaskInstanceInfo(taskInstanceId);
|
|
|
|
}
|
|
|
|
|
|
|
|
// waiting for the run to finish
|
|
|
|
boolean status = process.waitFor(remainTime, TimeUnit.SECONDS);
|
|
|
|
|
|
|
|
if (taskOutputFuture != null) {
|
|
|
|
try {
|
|
|
|
// Wait the task log process finished.
|
|
|
|
taskOutputFuture.get();
|
|
|
|
} catch (ExecutionException e) {
|
|
|
|
logger.info("Handle task log error", e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
TaskExecutionStatus kubernetesStatus =
|
|
|
|
ProcessUtils.getApplicationStatus(taskRequest.getK8sTaskExecutionContext(), taskRequest.getTaskAppId());
|
|
|
|
|
|
|
|
// if SHELL task exit
|
|
|
|
if (status && kubernetesStatus.isSuccess()) {
|
|
|
|
|
|
|
|
// SHELL task state
|
|
|
|
result.setExitStatusCode(process.exitValue());
|
|
|
|
|
|
|
|
} else {
|
|
|
|
logger.error("process has failure, the task timeout configuration value is:{}, ready to kill ...",
|
|
|
|
taskRequest.getTaskTimeout());
|
|
|
|
ProcessUtils.kill(taskRequest);
|
|
|
|
result.setExitStatusCode(EXIT_CODE_FAILURE);
|
|
|
|
}
|
|
|
|
int exitCode = process.exitValue();
|
|
|
|
String exitLogMessage = EXIT_CODE_KILL == exitCode ? "process has killed." : "process has exited.";
|
|
|
|
logger.info(exitLogMessage
|
|
|
|
+ " execute path:{}, processId:{} ,exitStatusCode:{} ,processWaitForStatus:{} ,processExitValue:{}",
|
|
|
|
taskRequest.getExecutePath(), processId, result.getExitStatusCode(), status, exitCode);
|
|
|
|
return result;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
public String getVarPool() {
|
|
|
|
return varPool.toString();
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* cancel application
|
|
|
|
*
|
|
|
|
* @throws Exception exception
|
|
|
|
*/
|
|
|
|
public void cancelApplication() throws Exception {
|
|
|
|
if (process == null) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// clear log
|
|
|
|
clear();
|
|
|
|
|
|
|
|
int processId = getProcessId(process);
|
|
|
|
|
|
|
|
logger.info("cancel process: {}", processId);
|
|
|
|
|
|
|
|
// kill , waiting for completion
|
|
|
|
boolean alive = softKill(processId);
|
|
|
|
|
|
|
|
if (alive) {
|
|
|
|
// hard kill
|
|
|
|
hardKill(processId);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* soft kill
|
|
|
|
*
|
|
|
|
* @param processId process id
|
|
|
|
* @return process is alive
|
|
|
|
*/
|
|
|
|
private boolean softKill(int processId) {
|
|
|
|
|
|
|
|
if (processId != 0 && process.isAlive()) {
|
|
|
|
try {
|
|
|
|
// sudo -u user command to run command
|
|
|
|
String cmd = String.format("kill %d", processId);
|
|
|
|
cmd = OSUtils.getSudoCmd(taskRequest.getTenantCode(), cmd);
|
|
|
|
logger.info("soft kill task:{}, process id:{}, cmd:{}", taskRequest.getTaskAppId(), processId, cmd);
|
|
|
|
|
|
|
|
Runtime.getRuntime().exec(cmd);
|
|
|
|
} catch (IOException e) {
|
|
|
|
logger.info("kill attempt failed", e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return process.isAlive();
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* hard kill
|
|
|
|
*
|
|
|
|
* @param processId process id
|
|
|
|
*/
|
|
|
|
private void hardKill(int processId) {
|
|
|
|
if (processId != 0 && process.isAlive()) {
|
|
|
|
try {
|
|
|
|
String cmd = String.format("kill -9 %s", getPidsStr(processId));
|
|
|
|
cmd = OSUtils.getSudoCmd(taskRequest.getTenantCode(), cmd);
|
|
|
|
logger.info("hard kill task:{}, process id:{}, cmd:{}", taskRequest.getTaskAppId(), processId, cmd);
|
|
|
|
|
|
|
|
OSUtils.exeCmd(cmd);
|
|
|
|
} catch (Exception e) {
|
|
|
|
logger.error("kill attempt failed ", e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private void printCommand(List<String> commands) {
|
|
|
|
logger.info("task run command: {}", String.join(" ", commands));
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* clear
|
|
|
|
*/
|
|
|
|
private void clear() {
|
|
|
|
|
|
|
|
LinkedBlockingQueue<String> markerLog = new LinkedBlockingQueue<>(1);
|
|
|
|
markerLog.add(ch.qos.logback.classic.ClassicConstants.FINALIZE_SESSION_MARKER.toString());
|
|
|
|
String logs = appendPodLogIfNeeded();
|
|
|
|
if (StringUtils.isNotEmpty(logs)) {
|
|
|
|
logBuffer.add("Dump logs from driver pod:");
|
|
|
|
logBuffer.add(logs);
|
|
|
|
}
|
|
|
|
if (!logBuffer.isEmpty()) {
|
|
|
|
// log handle
|
|
|
|
logHandler.accept(logBuffer);
|
|
|
|
logBuffer.clear();
|
|
|
|
}
|
|
|
|
logHandler.accept(markerLog);
|
|
|
|
|
|
|
|
if (RemoteLogUtils.isRemoteLoggingEnable()) {
|
|
|
|
RemoteLogUtils.sendRemoteLog(taskRequest.getLogPath());
|
|
|
|
logger.info("Log handler sends task log {} to remote storage asynchronously.", taskRequest.getLogPath());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private String appendPodLogIfNeeded() {
|
|
|
|
if (Objects.isNull(taskRequest.getK8sTaskExecutionContext())) {
|
|
|
|
return "";
|
|
|
|
}
|
|
|
|
return ProcessUtils.getPodLog(taskRequest.getK8sTaskExecutionContext(), taskRequest.getTaskAppId());
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* get the standard output of the process
|
|
|
|
*
|
|
|
|
* @param process process
|
|
|
|
*/
|
|
|
|
private void parseProcessOutput(Process process) {
|
|
|
|
String threadLoggerInfoName = taskRequest.getTaskLogName();
|
|
|
|
ExecutorService getOutputLogService = newDaemonSingleThreadExecutor(threadLoggerInfoName);
|
|
|
|
getOutputLogService.submit(() -> {
|
|
|
|
try (BufferedReader inReader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
|
|
|
|
String line;
|
|
|
|
while ((line = inReader.readLine()) != null) {
|
|
|
|
if (line.startsWith("${setValue(") || line.startsWith("#{setValue(")) {
|
|
|
|
varPool.append(findVarPool(line));
|
|
|
|
varPool.append("$VarPool$");
|
|
|
|
} else {
|
|
|
|
logBuffer.add(line);
|
|
|
|
taskResultString = line;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
logOutputIsSuccess = true;
|
|
|
|
} catch (Exception e) {
|
|
|
|
logger.error("Parse var pool error", e);
|
|
|
|
logOutputIsSuccess = true;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
|
|
|
|
getOutputLogService.shutdown();
|
|
|
|
|
|
|
|
ExecutorService parseProcessOutputExecutorService = newDaemonSingleThreadExecutor(threadLoggerInfoName);
|
|
|
|
taskOutputFuture = parseProcessOutputExecutorService.submit(() -> {
|
|
|
|
try {
|
|
|
|
while (!logBuffer.isEmpty() || !logOutputIsSuccess) {
|
|
|
|
if (!logBuffer.isEmpty()) {
|
|
|
|
logHandler.accept(logBuffer);
|
|
|
|
logBuffer.clear();
|
|
|
|
} else {
|
|
|
|
Thread.sleep(TaskConstants.DEFAULT_LOG_FLUSH_INTERVAL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} catch (Exception e) {
|
|
|
|
logger.error("Output task log error", e);
|
|
|
|
} finally {
|
|
|
|
clear();
|
|
|
|
}
|
|
|
|
});
|
|
|
|
parseProcessOutputExecutorService.shutdown();
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* find var pool
|
|
|
|
*
|
|
|
|
* @param line
|
|
|
|
* @return
|
|
|
|
*/
|
|
|
|
private String findVarPool(String line) {
|
|
|
|
Matcher matcher = SETVALUE_REGEX.matcher(line);
|
|
|
|
if (matcher.find()) {
|
|
|
|
return matcher.group(1);
|
|
|
|
}
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* get remain time(s)
|
|
|
|
*
|
|
|
|
* @return remain time
|
|
|
|
*/
|
|
|
|
private long getRemainTime() {
|
|
|
|
long usedTime = (System.currentTimeMillis() - taskRequest.getStartTime()) / 1000;
|
|
|
|
long remainTime = taskRequest.getTaskTimeout() - usedTime;
|
|
|
|
|
|
|
|
if (remainTime < 0) {
|
|
|
|
throw new RuntimeException("task execution time out");
|
|
|
|
}
|
|
|
|
|
|
|
|
return remainTime;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* get process id
|
|
|
|
*
|
|
|
|
* @param process process
|
|
|
|
* @return process id
|
|
|
|
*/
|
|
|
|
private int getProcessId(Process process) {
|
|
|
|
int processId = 0;
|
|
|
|
|
|
|
|
try {
|
|
|
|
Field f = process.getClass().getDeclaredField(TaskConstants.PID);
|
|
|
|
f.setAccessible(true);
|
|
|
|
|
|
|
|
processId = f.getInt(process);
|
|
|
|
} catch (Throwable e) {
|
|
|
|
logger.error(e.getMessage(), e);
|
|
|
|
}
|
|
|
|
|
|
|
|
return processId;
|
|
|
|
}
|
|
|
|
|
|
|
|
protected abstract String buildCommandFilePath();
|
|
|
|
|
|
|
|
protected abstract void createCommandFileIfNotExists(String execCommand, String commandFile) throws IOException;
|
|
|
|
|
|
|
|
ExecutorService newDaemonSingleThreadExecutor(String threadName) {
|
|
|
|
ThreadFactory threadFactory = new ThreadFactoryBuilder()
|
|
|
|
.setDaemon(true)
|
|
|
|
.setNameFormat(threadName)
|
|
|
|
.build();
|
|
|
|
return Executors.newSingleThreadExecutor(threadFactory);
|
|
|
|
}
|
|
|
|
|
|
|
|
protected abstract String commandInterpreter();
|
|
|
|
}
|