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[FIX-3900][server] Cherry pick from dev to kill multi yarn app in one job (#4151) 

* [FIX-3900][server] Cherry pick from dev to kill multi yarn app in one job

* [FIX-3900][server] Cherry pick from dev to kill multi yarn app in one job

Co-authored-by: Eights-LI <yelli.eights@gmail.com>
lgcareer 4 years ago committed by GitHub
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  1. 10
      dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/Constants.java
  2. 714
      dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/utils/ProcessUtils.java
  3. 111
      dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/utils/ProcessUtilsTest.java

10
dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/Constants.java
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@ -970,4 +970,14 @@ public final class Constants {
public static final int ABNORMAL_NODE_STATUS = 1;
/**
* exec shell scripts
*/
public static final String SH = "sh";
/**
* pstree, get pud and sub pid
*/
public static final String PSTREE = "pstree";
}

714
dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/utils/ProcessUtils.java
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@ -16,392 +16,436 @@
*/
package org.apache.dolphinscheduler.server.utils;
import java.nio.charset.StandardCharsets;
import org.apache.dolphinscheduler.common.Constants;
import org.apache.dolphinscheduler.common.enums.ExecutionStatus;
import org.apache.dolphinscheduler.common.utils.CollectionUtils;
import org.apache.dolphinscheduler.common.utils.CommonUtils;
import org.apache.dolphinscheduler.common.utils.FileUtils;
import org.apache.dolphinscheduler.common.utils.HadoopUtils;
import org.apache.dolphinscheduler.common.utils.LoggerUtils;
import org.apache.dolphinscheduler.common.utils.OSUtils;
import org.apache.dolphinscheduler.common.utils.StringUtils;
import org.apache.commons.io.FileUtils;
import org.apache.dolphinscheduler.remote.utils.Host;
import org.apache.dolphinscheduler.server.entity.TaskExecutionContext;
import org.apache.dolphinscheduler.service.log.LogClientService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* mainly used to get the start command line of a process
* mainly used to get the start command line of a process.
*/
public class ProcessUtils {
/**
* logger
*/
private final static Logger logger = LoggerFactory.getLogger(ProcessUtils.class);
/**
* build command line characters
* @param commandList command list
* @return command
* @throws IOException io exception
*/
public static String buildCommandStr(List<String> commandList) throws IOException {
String cmdstr;
String[] cmd = commandList.toArray(new String[commandList.size()]);
SecurityManager security = System.getSecurityManager();
boolean allowAmbiguousCommands = false;
if (security == null) {
allowAmbiguousCommands = true;
String value = System.getProperty("jdk.lang.Process.allowAmbiguousCommands");
if (value != null) {
allowAmbiguousCommands = !"false".equalsIgnoreCase(value);
}
/**
* logger
*/
private static final Logger logger = LoggerFactory.getLogger(ProcessUtils.class);
/**
* Initialization regularization, solve the problem of pre-compilation performance,
* avoid the thread safety problem of multi-thread operation.
*/
private static final Pattern MACPATTERN = Pattern.compile("-[+|-]-\\s(\\d+)");
private static final Pattern LINUXPATTERN = Pattern.compile("(\\d+)");
private static final String LOCAL_PROCESS_EXEC = "jdk.lang.Process.allowAmbiguousCommands";
/**
* build command line characters.
*
* @param commandList command list
* @return command
* @throws IOException io exception
*/
public static String buildCommandStr(List<String> commandList) throws IOException {
String cmdstr;
String[] cmd = commandList.toArray(new String[0]);
SecurityManager security = System.getSecurityManager();
boolean allowAmbiguousCommands = isAllowAmbiguousCommands(security);
if (allowAmbiguousCommands) {
String executablePath = new File(cmd[0]).getPath();
if (needsEscaping(VERIFICATION_LEGACY, executablePath)) {
executablePath = quoteString(executablePath);
}
cmdstr = createCommandLine(
VERIFICATION_LEGACY, executablePath, cmd);
} else {
String executablePath;
try {
executablePath = getExecutablePath(cmd[0]);
} catch (IllegalArgumentException e) {
StringBuilder join = new StringBuilder();
for (String s : cmd) {
join.append(s).append(' ');
}
cmd = getTokensFromCommand(join.toString());
executablePath = getExecutablePath(cmd[0]);
// Check new executable name once more
if (security != null) {
security.checkExec(executablePath);
}
}
cmdstr = createCommandLine(
isShellFile(executablePath) ? VERIFICATION_CMD_BAT : VERIFICATION_WIN32, quoteString(executablePath), cmd);
}
return cmdstr;
}
if (allowAmbiguousCommands) {
String executablePath = new File(cmd[0]).getPath();
if (needsEscaping(VERIFICATION_LEGACY, executablePath)) {
executablePath = quoteString(executablePath);
}
cmdstr = createCommandLine(
VERIFICATION_LEGACY, executablePath, cmd);
} else {
String executablePath;
try {
executablePath = getExecutablePath(cmd[0]);
} catch (IllegalArgumentException e) {
StringBuilder join = new StringBuilder();
for (String s : cmd) {
join.append(s).append(' ');
/**
* check is allow ambiguous commands
*
* @param security security manager
* @return allow ambiguous command flag
*/
private static boolean isAllowAmbiguousCommands(SecurityManager security) {
boolean allowAmbiguousCommands = false;
if (security == null) {
allowAmbiguousCommands = true;
String value = System.getProperty(LOCAL_PROCESS_EXEC);
if (value != null) {
allowAmbiguousCommands = !Constants.STRING_FALSE.equalsIgnoreCase(value);
}
}
return allowAmbiguousCommands;
}
cmd = getTokensFromCommand(join.toString());
executablePath = getExecutablePath(cmd[0]);
// Check new executable name once more
if (security != null) {
security.checkExec(executablePath);
}
}
/**
* get executable path.
*
* @param path path
* @return executable path
* @throws IOException io exception
*/
private static String getExecutablePath(String path) throws IOException {
boolean pathIsQuoted = isQuoted(true, path, "Executable name has embedded quote, split the arguments");
File fileToRun = new File(pathIsQuoted ? path.substring(1, path.length() - 1) : path);
return fileToRun.getPath();
}
/**
* whether is shell file.
*
* @param executablePath executable path
* @return true if endsWith .CMD or .BAT
*/
private static boolean isShellFile(String executablePath) {
String upPath = executablePath.toUpperCase();
return (upPath.endsWith(".CMD") || upPath.endsWith(".BAT"));
}
cmdstr = createCommandLine(
/**
* quote string
*
* @param arg argument
* @return format arg
*/
private static String quoteString(String arg) {
StringBuilder argbuf = new StringBuilder(arg.length() + 2);
return argbuf.append('"').append(arg).append('"').toString();
}
isShellFile(executablePath) ? VERIFICATION_CMD_BAT : VERIFICATION_WIN32, quoteString(executablePath), cmd);
/**
* get tokens from command.
*
* @param command command
* @return token string array
*/
private static String[] getTokensFromCommand(String command) {
ArrayList<String> matchList = new ArrayList<>(8);
Matcher regexMatcher = LazyPattern.PATTERN.matcher(command);
while (regexMatcher.find()) {
matchList.add(regexMatcher.group());
}
return matchList.toArray(new String[0]);
}
return cmdstr;
}
/**
* get executable path
*
* @param path path
* @return executable path
* @throws IOException io exception
*/
private static String getExecutablePath(String path) throws IOException {
boolean pathIsQuoted = isQuoted(true, path, "Executable name has embedded quote, split the arguments");
File fileToRun = new File(pathIsQuoted ? path.substring(1, path.length() - 1) : path);
return fileToRun.getPath();
}
/**
* whether is shell file
*
* @param executablePath executable path
* @return true if endsWith .CMD or .BAT
*/
private static boolean isShellFile(String executablePath) {
String upPath = executablePath.toUpperCase();
return (upPath.endsWith(".CMD") || upPath.endsWith(".BAT"));
}
/**
* quote string
*
* @param arg argument
* @return format arg
*/
private static String quoteString(String arg) {
StringBuilder argbuf = new StringBuilder(arg.length() + 2);
return argbuf.append('"').append(arg).append('"').toString();
}
/**
* get tokens from command
*
* @param command command
* @return token string array
*/
private static String[] getTokensFromCommand(String command) {
ArrayList<String> matchList = new ArrayList<>(8);
Matcher regexMatcher = LazyPattern.PATTERN.matcher(command);
while (regexMatcher.find()) {
matchList.add(regexMatcher.group());
/**
* Lazy Pattern
*/
private static class LazyPattern {
/**
* Escape-support version:
* "(\")((?:\\\\\\1|.)+?)\\1|([^\\s\"]+)";
*/
private static final Pattern PATTERN = Pattern.compile("[^\\s\"]+|\"[^\"]*\"");
}
return matchList.toArray(new String[matchList.size()]);
}
/**
* Lazy Pattern
*/
private static class LazyPattern {
// Escape-support version:
// "(\")((?:\\\\\\1|.)+?)\\1|([^\\s\"]+)";
private static final Pattern PATTERN = Pattern.compile("[^\\s\"]+|\"[^\"]*\"");
}
/**
* verification cmd bat
*/
private static final int VERIFICATION_CMD_BAT = 0;
/**
* verification win32
*/
private static final int VERIFICATION_WIN32 = 1;
/**
* verification legacy
*/
private static final int VERIFICATION_LEGACY = 2;
/**
* escape verification
*/
private static final char[][] ESCAPE_VERIFICATION = {{' ', '\t', '<', '>', '&', '|', '^'},
{' ', '\t', '<', '>'}, {' ', '\t'}};
/**
* matcher
*/
private static Matcher matcher;
/**
* create command line
* @param verificationType verification type
* @param executablePath executable path
* @param cmd cmd
* @return command line
*/
private static String createCommandLine(int verificationType, final String executablePath, final String[] cmd) {
StringBuilder cmdbuf = new StringBuilder(80);
cmdbuf.append(executablePath);
for (int i = 1; i < cmd.length; ++i) {
cmdbuf.append(' ');
String s = cmd[i];
if (needsEscaping(verificationType, s)) {
cmdbuf.append('"').append(s);
if ((verificationType != VERIFICATION_CMD_BAT) && s.endsWith("\\")) {
cmdbuf.append('\\');
/**
* verification cmd bat
*/
private static final int VERIFICATION_CMD_BAT = 0;
/**
* verification win32
*/
private static final int VERIFICATION_WIN32 = 1;
/**
* verification legacy
*/
private static final int VERIFICATION_LEGACY = 2;
/**
* escape verification
*/
private static final char[][] ESCAPE_VERIFICATION = {{' ', '\t', '<', '>', '&', '|', '^'},
{' ', '\t', '<', '>'}, {' ', '\t'}};
/**
* create command line
*
* @param verificationType verification type
* @param executablePath executable path
* @param cmd cmd
* @return command line
*/
private static String createCommandLine(int verificationType, final String executablePath, final String[] cmd) {
StringBuilder cmdbuf = new StringBuilder(80);
cmdbuf.append(executablePath);
for (int i = 1; i < cmd.length; ++i) {
cmdbuf.append(' ');
String s = cmd[i];
if (needsEscaping(verificationType, s)) {
cmdbuf.append('"').append(s);
if ((verificationType != VERIFICATION_CMD_BAT) && s.endsWith("\\")) {
cmdbuf.append('\\');
}
cmdbuf.append('"');
} else {
cmdbuf.append(s);
}
}
cmdbuf.append('"');
} else {
cmdbuf.append(s);
}
return cmdbuf.toString();
}
return cmdbuf.toString();
}
/**
* whether is quoted
* @param noQuotesInside
* @param arg
* @param errorMessage
* @return boolean
*/
private static boolean isQuoted(boolean noQuotesInside, String arg, String errorMessage) {
int lastPos = arg.length() - 1;
if (lastPos >= 1 && arg.charAt(0) == '"' && arg.charAt(lastPos) == '"') {
// The argument has already been quoted.
if (noQuotesInside) {
if (arg.indexOf('"', 1) != lastPos) {
// There is ["] inside.
throw new IllegalArgumentException(errorMessage);
/**
* whether is quoted
*
* @param noQuotesInside no quotes inside
* @param arg arg
* @param errorMessage error message
* @return boolean
*/
private static boolean isQuoted(boolean noQuotesInside, String arg, String errorMessage) {
int lastPos = arg.length() - 1;
if (lastPos >= 1 && arg.charAt(0) == '"' && arg.charAt(lastPos) == '"') {
// The argument has already been quoted.
if (noQuotesInside && arg.indexOf('"', 1) != lastPos) {
// There is ["] inside.
throw new IllegalArgumentException(errorMessage);
}
return true;
}
}
return true;
}
if (noQuotesInside) {
if (arg.indexOf('"') >= 0) {
// There is ["] inside.
throw new IllegalArgumentException(errorMessage);
}
}
return false;
}
/**
* whether needs escaping
*
* @param verificationType verification type
* @param arg arg
* @return boolean
*/
private static boolean needsEscaping(int verificationType, String arg) {
boolean argIsQuoted = isQuoted((verificationType == VERIFICATION_CMD_BAT), arg, "Argument has embedded quote, use the explicit CMD.EXE call.");
if (!argIsQuoted) {
char[] testEscape = ESCAPE_VERIFICATION[verificationType];
for (int i = 0; i < testEscape.length; ++i) {
if (arg.indexOf(testEscape[i]) >= 0) {
return true;
if (noQuotesInside && arg.indexOf('"') >= 0) {
// There is ["] inside.
throw new IllegalArgumentException(errorMessage);
}
}
return false;
}
return false;
}
/**
* kill yarn application
*
* @param appIds app id list
* @param logger logger
* @param tenantCode tenant code
* @param executePath execute path
* @throws IOException io exception
*/
public static void cancelApplication(List<String> appIds, Logger logger, String tenantCode,String executePath)
throws IOException {
if (appIds.size() > 0) {
String appid = appIds.get(appIds.size() - 1);
String commandFile = String
.format("%s/%s.kill", executePath, appid);
String cmd = "yarn application -kill " + appid;
try {
StringBuilder sb = new StringBuilder();
sb.append("#!/bin/sh\n");
sb.append("BASEDIR=$(cd `dirname $0`; pwd)\n");
sb.append("cd $BASEDIR\n");
if (CommonUtils.getSystemEnvPath() != null) {
sb.append("source " + CommonUtils.getSystemEnvPath() + "\n");
}
sb.append("\n\n");
sb.append(cmd);
File f = new File(commandFile);
if (!f.exists()) {
FileUtils.writeStringToFile(new File(commandFile), sb.toString(), StandardCharsets.UTF_8);
/**
* whether needs escaping
*
* @param verificationType verification type
* @param arg arg
* @return boolean
*/
private static boolean needsEscaping(int verificationType, String arg) {
boolean argIsQuoted = isQuoted((verificationType == VERIFICATION_CMD_BAT), arg, "Argument has embedded quote, use the explicit CMD.EXE call.");
if (!argIsQuoted) {
char[] testEscape = ESCAPE_VERIFICATION[verificationType];
for (char c : testEscape) {
if (arg.indexOf(c) >= 0) {
return true;
}
}
}
return false;
}
String runCmd = "sh " + commandFile;
if (StringUtils.isNotEmpty(tenantCode)) {
runCmd = "sudo -u " + tenantCode + " " + runCmd;
/**
* kill yarn application
*
* @param appIds app id list
* @param logger logger
* @param tenantCode tenant code
* @param executePath execute path
*/
public static void cancelApplication(List<String> appIds, Logger logger, String tenantCode, String executePath) {
if (CollectionUtils.isNotEmpty(appIds)) {
for (String appId : appIds) {
try {
ExecutionStatus applicationStatus = HadoopUtils.getInstance().getApplicationStatus(appId);
if (!applicationStatus.typeIsFinished()) {
String commandFile = String
.format("%s/%s.kill", executePath, appId);
String cmd = "yarn application -kill " + appId;
execYarnKillCommand(logger, tenantCode, appId, commandFile, cmd);
}
} catch (Exception e) {
logger.error(String.format("Get yarn application app id [%s] status failed: [%s]", appId, e.getMessage()));
}
}
}
}
logger.info("kill cmd:{}", runCmd);
Runtime.getRuntime().exec(runCmd);
} catch (Exception e) {
logger.error("kill application error", e);
}
/**
* build kill command for yarn application
*
* @param logger logger
* @param tenantCode tenant code
* @param appId app id
* @param commandFile command file
* @param cmd cmd
*/
private static void execYarnKillCommand(Logger logger, String tenantCode, String appId, String commandFile, String cmd) {
try {
StringBuilder sb = new StringBuilder();
sb.append("#!/bin/sh\n");
sb.append("BASEDIR=$(cd `dirname $0`; pwd)\n");
sb.append("cd $BASEDIR\n");
if (CommonUtils.getSystemEnvPath() != null) {
sb.append("source ").append(CommonUtils.getSystemEnvPath()).append("\n");
}
sb.append("\n\n");
sb.append(cmd);
File f = new File(commandFile);
if (!f.exists()) {
FileUtils.writeStringToFile(new File(commandFile), sb.toString(), StandardCharsets.UTF_8);
}
String runCmd = String.format("%s %s", Constants.SH, commandFile);
if (StringUtils.isNotEmpty(tenantCode)) {
runCmd = "sudo -u " + tenantCode + " " + runCmd;
}
logger.info("kill cmd:{}", runCmd);
OSUtils.exeCmd(runCmd);
} catch (Exception e) {
logger.error(String.format("Kill yarn application app id [%s] failed: [%s]", appId, e.getMessage()));
}
}
}
/**
* kill tasks according to different task types
*
* @param taskExecutionContext taskExecutionContext
*/
public static void kill(TaskExecutionContext taskExecutionContext) {
try {
int processId = taskExecutionContext.getProcessId();
if(processId == 0 ){
logger.error("process kill failed, process id :{}, task id:{}",
processId, taskExecutionContext.getTaskInstanceId());
return ;
}
/**
* kill tasks according to different task types
*
* @param taskExecutionContext taskExecutionContext
*/
public static void kill(TaskExecutionContext taskExecutionContext) {
try {
int processId = taskExecutionContext.getProcessId();
if (processId == 0) {
logger.error("process kill failed, process id :{}, task id:{}",
processId, taskExecutionContext.getTaskInstanceId());
return;
}
String cmd = String.format("sudo kill -9 %s", getPidsStr(processId));
String cmd = String.format("sudo kill -9 %s", getPidsStr(processId));
logger.info("process id:{}, cmd:{}", processId, cmd);
logger.info("process id:{}, cmd:{}", processId, cmd);
OSUtils.exeCmd(cmd);
OSUtils.exeCmd(cmd);
// find log and kill yarn job
killYarnJob(taskExecutionContext);
// find log and kill yarn job
killYarnJob(taskExecutionContext);
} catch (Exception e) {
logger.error("kill task failed", e);
}
}
/**
* get pids str
*
* @param processId process id
* @return pids
* @throws Exception exception
*/
public static String getPidsStr(int processId)throws Exception{
StringBuilder sb = new StringBuilder();
Matcher mat;
// pstree pid get sub pids
if (OSUtils.isMacOS()) {
String pids = OSUtils.exeCmd("pstree -sp " + processId);
mat = Pattern.compile("-[+|-]-\\s(\\d+)").matcher(pids);
} else {
String pids = OSUtils.exeCmd("pstree -p " + processId);
mat = Pattern.compile("(\\d+)").matcher(pids);
} catch (Exception e) {
logger.error("kill task failed", e);
}
}
while (mat.find()){
sb.append(mat.group(1)).append(" ");
}
return sb.toString().trim();
}
/**
* find logs and kill yarn tasks
*
* @param taskExecutionContext taskExecutionContext
*/
public static void killYarnJob(TaskExecutionContext taskExecutionContext) {
try {
Thread.sleep(Constants.SLEEP_TIME_MILLIS);
LogClientService logClient = null;
String log = null;
try {
logClient = new LogClientService();
log = logClient.viewLog(Host.of(taskExecutionContext.getHost()).getIp(),
Constants.RPC_PORT,
taskExecutionContext.getLogPath());
} finally {
if(logClient != null){
logClient.close();
}
}
if (StringUtils.isNotEmpty(log)) {
List<String> appIds = LoggerUtils.getAppIds(log, logger);
String workerDir = taskExecutionContext.getExecutePath();
if (StringUtils.isEmpty(workerDir)) {
logger.error("task instance work dir is empty");
throw new RuntimeException("task instance work dir is empty");
/**
* get pids str
*
* @param processId process id
* @return pids pid String
* @throws Exception exception
*/
public static String getPidsStr(int processId) throws Exception {
StringBuilder sb = new StringBuilder();
Matcher mat = null;
// pstree pid get sub pids
if (OSUtils.isMacOS()) {
String pids = OSUtils.exeCmd(String.format("%s -sp %d", Constants.PSTREE, processId));
if (null != pids) {
mat = MACPATTERN.matcher(pids);
}
} else {
String pids = OSUtils.exeCmd(String.format("%s -p %d", Constants.PSTREE, processId));
mat = LINUXPATTERN.matcher(pids);
}
if (appIds.size() > 0) {
cancelApplication(appIds, logger, taskExecutionContext.getTenantCode(), taskExecutionContext.getExecutePath());
if (null != mat) {
while (mat.find()) {
sb.append(mat.group(1)).append(" ");
}
}
}
} catch (Exception e) {
logger.error("kill yarn job failure",e);
return sb.toString().trim();
}
/**
* find logs and kill yarn tasks
*
* @param taskExecutionContext taskExecutionContext
*/
public static void killYarnJob(TaskExecutionContext taskExecutionContext) {
try {
Thread.sleep(Constants.SLEEP_TIME_MILLIS);
LogClientService logClient = null;
String log;
try {
logClient = new LogClientService();
log = logClient.viewLog(Host.of(taskExecutionContext.getHost()).getIp(),
Constants.RPC_PORT,
taskExecutionContext.getLogPath());
} finally {
if (logClient != null) {
logClient.close();
}
}
if (StringUtils.isNotEmpty(log)) {
List<String> appIds = LoggerUtils.getAppIds(log, logger);
String workerDir = taskExecutionContext.getExecutePath();
if (StringUtils.isEmpty(workerDir)) {
logger.error("task instance work dir is empty");
throw new RuntimeException("task instance work dir is empty");
}
if (CollectionUtils.isNotEmpty(appIds)) {
cancelApplication(appIds, logger, taskExecutionContext.getTenantCode(), taskExecutionContext.getExecutePath());
}
}
} catch (Exception e) {
logger.error("kill yarn job failure", e);
}
}
}
}

111
dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/utils/ProcessUtilsTest.java
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@ -16,35 +16,124 @@
*/
package org.apache.dolphinscheduler.server.utils;
import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.powermock.api.mockito.PowerMockito.when;
import org.apache.dolphinscheduler.common.Constants;
import org.apache.dolphinscheduler.common.enums.ExecutionStatus;
import org.apache.dolphinscheduler.common.utils.HadoopUtils;
import org.apache.dolphinscheduler.common.utils.OSUtils;
import org.apache.dolphinscheduler.server.entity.TaskExecutionContext;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockitoAnnotations;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@RunWith(PowerMockRunner.class)
@PrepareForTest({System.class, OSUtils.class, HadoopUtils.class})
public class ProcessUtilsTest {
private static final Logger logger = LoggerFactory.getLogger(ProcessUtilsTest.class);
private static final Logger logger = LoggerFactory.getLogger(ProcessUtils.class);
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
}
@Test
public void getPidsStr() throws Exception {
String pidList = ProcessUtils.getPidsStr(1);
int processId = 1;
String pidList = ProcessUtils.getPidsStr(processId);
Assert.assertNotEquals("The child process of process 1 should not be empty", pidList, "");
logger.info("Sub process list : {}", pidList);
PowerMockito.mockStatic(OSUtils.class);
when(OSUtils.isMacOS()).thenReturn(true);
when(OSUtils.exeCmd(String.format("%s -p %d", Constants.PSTREE, processId))).thenReturn(null);
String pidListMac = ProcessUtils.getPidsStr(processId);
Assert.assertEquals("", pidListMac);
}
@Test
public void testBuildCommandStr() {
public void testBuildCommandStr() throws IOException {
List<String> commands = new ArrayList<>();
commands.add("sudo");
commands.add("-u");
commands.add("tenantCode");
//allowAmbiguousCommands false
Assert.assertEquals("sudo -u tenantCode", ProcessUtils.buildCommandStr(commands));
//quota
commands.clear();
commands.add("\"sudo\"");
Assert.assertEquals("\"sudo\"", ProcessUtils.buildCommandStr(commands));
//allowAmbiguousCommands true
commands.clear();
commands.add("sudo");
System.setProperty("jdk.lang.Process.allowAmbiguousCommands", "false");
Assert.assertEquals("\"sudo\"", ProcessUtils.buildCommandStr(commands));
}
@Test
public void testKill() {
//get taskExecutionContext
TaskExecutionContext taskExecutionContext = new TaskExecutionContext();
//process id eq 0
taskExecutionContext.setProcessId(0);
ProcessUtils.kill(taskExecutionContext);
//process id not eq 0
taskExecutionContext.setProcessId(1);
PowerMockito.mockStatic(OSUtils.class);
try {
Assert.assertEquals(ProcessUtils.buildCommandStr(commands), "sudo");
} catch (IOException e) {
Assert.fail(e.getMessage());
when(OSUtils.exeCmd(String.format("%s -sp %d", Constants.PSTREE, 1))).thenReturn("1111");
when(OSUtils.exeCmd(String.format("%s -p %d", Constants.PSTREE, 1))).thenReturn("1111");
when(OSUtils.exeCmd("sudo kill -9")).thenReturn("1111");
} catch (Exception e) {
e.printStackTrace();
}
taskExecutionContext.setHost("127.0.0.1:8888");
taskExecutionContext.setLogPath("/log/1.log");
ProcessUtils.kill(taskExecutionContext);
Assert.assertEquals(1, taskExecutionContext.getProcessId());
}
@Test
public void testCancelApplication() {
List<String> appIds = new ArrayList<>();
appIds.add("application_1585532379175_228491");
appIds.add("application_1598885606600_3677");
String tenantCode = "dev";
String executePath = "/ds-exec/1/1/1";
ExecutionStatus running = ExecutionStatus.RUNNING_EXEUTION;
PowerMockito.mockStatic(HadoopUtils.class);
HadoopUtils hadoop = HadoopUtils.getInstance();
try {
PowerMockito.whenNew(HadoopUtils.class).withAnyArguments().thenReturn(hadoop);
} catch (Exception e) {
e.printStackTrace();
}
try {
when(hadoop.getApplicationStatus("application_1585532379175_228491")).thenReturn(running);
when(hadoop.getApplicationStatus("application_1598885606600_3677")).thenReturn(running);
} catch (Exception e) {
e.printStackTrace();
ProcessUtils.cancelApplication(appIds, logger, tenantCode, executePath);
}
Assert.assertNotNull(appIds);
}
}

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