kill task need kill sub pids

escheduler-common/src/main/java/cn/escheduler/common/utils/OSUtils.java

@@ -220,7 +220,7 @@ public class OSUtils {
    * @throws IOException
    */
   public static String exeShell(String command) throws IOException {
-    return ShellExecutor.execCommand("groups");
+    return ShellExecutor.execCommand(command);
   }
 
   /**

escheduler-server/src/main/java/cn/escheduler/server/utils/ProcessUtils.java

@@ -18,6 +18,7 @@ package cn.escheduler.server.utils;
 
 import cn.escheduler.common.Constants;
 import cn.escheduler.common.utils.CommonUtils;
+import cn.escheduler.common.utils.OSUtils;
 import cn.escheduler.dao.model.TaskInstance;
 import cn.escheduler.server.rpc.LogClient;
 import org.apache.commons.io.FileUtils;
@@ -33,6 +34,7 @@ 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
  */
@@ -139,6 +141,8 @@ public class ProcessUtils {
 
           {' ', '\t', '<', '>'}, {' ', '\t'}};
 
+  private static Matcher matcher;
+
   private static String createCommandLine(int verificationType, final String executablePath, final String[] cmd) {
     StringBuilder cmdbuf = new StringBuilder(80);
 
@@ -256,7 +260,7 @@ public class ProcessUtils {
           return ;
       }
 
-      String cmd = String.format("sudo kill -9 %d", processId);
+      String cmd = String.format("sudo kill -9 %s", getPidsStr(processId));
 
       logger.info("process id:{}, cmd:{}", processId, cmd);
 
@@ -270,6 +274,23 @@ public class ProcessUtils {
     }
   }
 
+  /**
+   * get pids str
+   * @param processId
+   * @return
+   * @throws Exception
+   */
+  private static String getPidsStr(int processId)throws Exception{
+    StringBuilder sb = new StringBuilder();
+    // pstree -p pid get sub pids
+    String pids = OSUtils.exeCmd("pstree -p " +processId+ "");
+    Matcher mat = Pattern.compile("(\\d+)").matcher(pids);
+    while (mat.find()){
+      sb.append(mat.group()+" ");
+    }
+    return sb.toString().trim();
+  }
+
   /**
    * find logs and kill yarn tasks
    * @param taskInstance