[Feature] workflow level task dry run (#6104)

* feat workflow level task dry run

* feat workflow level task dry run

* feat workflow level task dry run

* feat workflow level task dry run

* feat workflow level task dry run

* feat workflow level task dry run

* feat workflow level task dry run

* feat workflow level task dry run

* feat workflow level task dry run

* feat workflow level task dry run

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/controller/ExecutorController.java

@@ -123,7 +123,8 @@ public class ExecutorController extends BaseController {
                                        @RequestParam(value = "environmentCode", required = false, defaultValue = "-1") Long environmentCode,
                                        @RequestParam(value = "timeout", required = false) Integer timeout,
                                        @RequestParam(value = "startParams", required = false) String startParams,
-                                       @RequestParam(value = "expectedParallelismNumber", required = false) Integer expectedParallelismNumber) {
+                                       @RequestParam(value = "expectedParallelismNumber", required = false) Integer expectedParallelismNumber,
+                                       @RequestParam(value = "dryRun", defaultValue = "0", required = false) int dryRun) {
 
         if (timeout == null) {
             timeout = Constants.MAX_TASK_TIMEOUT;
@@ -133,7 +134,7 @@ public class ExecutorController extends BaseController {
             startParamMap = JSONUtils.toMap(startParams);
         }
         Map<String, Object> result = execService.execProcessInstance(loginUser, projectCode, processDefinitionCode, scheduleTime, execType, failureStrategy,
-            startNodeList, taskDependType, warningType, warningGroupId, runMode, processInstancePriority, workerGroup, environmentCode,timeout, startParamMap, expectedParallelismNumber);
+            startNodeList, taskDependType, warningType, warningGroupId, runMode, processInstancePriority, workerGroup, environmentCode,timeout, startParamMap, expectedParallelismNumber, dryRun);
         return returnDataList(result);
     }
 

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ExecutorService.java

@@ -62,7 +62,8 @@ public interface ExecutorService {
                                             TaskDependType taskDependType, WarningType warningType, int warningGroupId,
                                             RunMode runMode,
                                             Priority processInstancePriority, String workerGroup, Long environmentCode, Integer timeout,
-                                            Map<String, String> startParams, Integer expectedParallelismNumber);
+                                            Map<String, String> startParams, Integer expectedParallelismNumber,
+                                            int dryRun);
 
     /**
      * check whether the process definition can be executed

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ExecutorServiceImpl.java

@@ -133,7 +133,8 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
                                                    TaskDependType taskDependType, WarningType warningType, int warningGroupId,
                                                    RunMode runMode,
                                                    Priority processInstancePriority, String workerGroup, Long environmentCode,Integer timeout,
-                                                   Map<String, String> startParams, Integer expectedParallelismNumber) {
+                                                   Map<String, String> startParams, Integer expectedParallelismNumber,
+                                                   int dryRun) {
         Project project = projectMapper.queryByCode(projectCode);
         //check user access for project
         Map<String, Object> result = projectService.checkProjectAndAuth(loginUser, project, projectCode);
@@ -170,7 +171,7 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
          */
         int create = this.createCommand(commandType, processDefinition.getCode(),
                 taskDependType, failureStrategy, startNodeList, cronTime, warningType, loginUser.getId(),
-                warningGroupId, runMode, processInstancePriority, workerGroup, environmentCode, startParams, expectedParallelismNumber);
+                warningGroupId, runMode, processInstancePriority, workerGroup, environmentCode, startParams, expectedParallelismNumber, dryRun);
 
         if (create > 0) {
             processDefinition.setWarningGroupId(warningGroupId);
@@ -507,7 +508,7 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
                               String startNodeList, String schedule, WarningType warningType,
                               int executorId, int warningGroupId,
                               RunMode runMode, Priority processInstancePriority, String workerGroup, Long environmentCode,
-                              Map<String, String> startParams, Integer expectedParallelismNumber) {
+                              Map<String, String> startParams, Integer expectedParallelismNumber, int dryRun) {
 
         /**
          * instantiate command schedule instance
@@ -543,6 +544,7 @@ public class ExecutorServiceImpl extends BaseServiceImpl implements ExecutorServ
         command.setProcessInstancePriority(processInstancePriority);
         command.setWorkerGroup(workerGroup);
         command.setEnvironmentCode(environmentCode);
+        command.setDryRun(dryRun);
 
         Date start = null;
         Date end = null;

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/ExecutorServiceTest.java

@@ -158,7 +158,7 @@ public class ExecutorServiceTest {
                 null, null,
                 null, null, 0,
                 RunMode.RUN_MODE_SERIAL,
-                Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 100L, 10, null, 0);
+                Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 100L, 10, null, 0, Constants.DRY_RUN_FLAG_NO);
         Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
         verify(processService, times(1)).createCommand(any(Command.class));
 
@@ -176,7 +176,7 @@ public class ExecutorServiceTest {
                 null, "n1,n2",
                 null, null, 0,
                 RunMode.RUN_MODE_SERIAL,
-                Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 100L,110, null, 0);
+                Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 100L,110, null, 0, Constants.DRY_RUN_FLAG_NO);
         Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
         verify(processService, times(1)).createCommand(any(Command.class));
 
@@ -194,7 +194,7 @@ public class ExecutorServiceTest {
                 null, null,
                 null, null, 0,
                 RunMode.RUN_MODE_SERIAL,
-                Priority.LOW, Constants.DEFAULT_WORKER_GROUP,100L, 110, null, 0);
+                Priority.LOW, Constants.DEFAULT_WORKER_GROUP,100L, 110, null, 0, Constants.DRY_RUN_FLAG_NO);
         Assert.assertEquals(Status.START_PROCESS_INSTANCE_ERROR, result.get(Constants.STATUS));
         verify(processService, times(0)).createCommand(any(Command.class));
     }
@@ -211,7 +211,7 @@ public class ExecutorServiceTest {
                 null, null,
                 null, null, 0,
                 RunMode.RUN_MODE_SERIAL,
-                Priority.LOW, Constants.DEFAULT_WORKER_GROUP,100L, 110, null, 0);
+                Priority.LOW, Constants.DEFAULT_WORKER_GROUP,100L, 110, null, 0, Constants.DRY_RUN_FLAG_NO);
         Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
         verify(processService, times(1)).createCommand(any(Command.class));
     }
@@ -228,7 +228,7 @@ public class ExecutorServiceTest {
                 null, null,
                 null, null, 0,
                 RunMode.RUN_MODE_PARALLEL,
-                Priority.LOW, Constants.DEFAULT_WORKER_GROUP,100L, 110, null, 0);
+                Priority.LOW, Constants.DEFAULT_WORKER_GROUP,100L, 110, null, 0, Constants.DRY_RUN_FLAG_NO);
         Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
         verify(processService, times(31)).createCommand(any(Command.class));
 
@@ -246,7 +246,7 @@ public class ExecutorServiceTest {
                 null, null,
                 null, null, 0,
                 RunMode.RUN_MODE_PARALLEL,
-                Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 100L,110, null, 15);
+                Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 100L,110, null, 15, Constants.DRY_RUN_FLAG_NO);
         Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
         verify(processService, times(15)).createCommand(any(Command.class));
 
@@ -261,7 +261,7 @@ public class ExecutorServiceTest {
                 null, null,
                 null, null, 0,
                 RunMode.RUN_MODE_PARALLEL,
-                Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 100L,110, null, 0);
+                Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 100L,110, null, 0, Constants.DRY_RUN_FLAG_NO);
         Assert.assertEquals(result.get(Constants.STATUS), Status.MASTER_NOT_EXISTS);
 
     }

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/Constants.java

@@ -1093,4 +1093,11 @@ public final class Constants {
     public static final String TASK_DEPENDENCE_PROJECT_NAME = "projectName";
     public static final String TASK_DEPENDENCE_DEFINITION_ID = "definitionId";
     public static final String TASK_DEPENDENCE_DEFINITION_NAME = "definitionName";
+
+    /**
+     * dry run flag
+     */
+    public static final int DRY_RUN_FLAG_NO = 0;
+    public static final int DRY_RUN_FLAG_YES = 1;
+
 }

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/entity/Command.java

@@ -126,6 +126,12 @@ public class Command {
     @TableField("environment_code")
     private Long environmentCode;
 
+    /**
+     * dry run flag
+     */
+    @TableField("dry_run")
+    private int dryRun;
+
     public Command() {
         this.taskDependType = TaskDependType.TASK_POST;
         this.failureStrategy = FailureStrategy.CONTINUE;
@@ -145,7 +151,8 @@ public class Command {
             Date scheduleTime,
             String workerGroup,
             Long environmentCode,
-            Priority processInstancePriority) {
+            Priority processInstancePriority,
+            int dryRun) {
         this.commandType = commandType;
         this.executorId = executorId;
         this.processDefinitionCode = processDefinitionCode;
@@ -160,6 +167,7 @@ public class Command {
         this.workerGroup = workerGroup;
         this.environmentCode = environmentCode;
         this.processInstancePriority = processInstancePriority;
+        this.dryRun = dryRun;
     }
 
     public TaskDependType getTaskDependType() {
@@ -282,6 +290,14 @@ public class Command {
         this.environmentCode = environmentCode;
     }
 
+    public int getDryRun() {
+        return dryRun;
+    }
+
+    public void setDryRun(int dryRun) {
+        this.dryRun = dryRun;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) {
@@ -358,6 +374,7 @@ public class Command {
         result = 31 * result + (updateTime != null ? updateTime.hashCode() : 0);
         result = 31 * result + (workerGroup != null ? workerGroup.hashCode() : 0);
         result = 31 * result + (environmentCode != null ? environmentCode.hashCode() : 0);
+        result = 31 * result + dryRun;
         return result;
     }
 
@@ -379,6 +396,7 @@ public class Command {
                 + ", updateTime=" + updateTime
                 + ", workerGroup='" + workerGroup + '\''
                 + ", environmentCode='" + environmentCode + '\''
+                + ", dryRun='" + dryRun + '\''
                 + '}';
     }
 }

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/entity/ErrorCommand.java

@@ -120,7 +120,12 @@ public class ErrorCommand {
      */
     private Long environmentCode;
 
-    public ErrorCommand(){}
+    /**
+     * dry run flag
+     */
+    private int dryRun;
+
+    public ErrorCommand() {}
 
     public ErrorCommand(Command command, String message) {
         this.id = command.getId();
@@ -138,6 +143,7 @@ public class ErrorCommand {
         this.environmentCode = command.getEnvironmentCode();
         this.processInstancePriority = command.getProcessInstancePriority();
         this.message = message;
+        this.dryRun = command.getDryRun();
     }
 
     public TaskDependType getTaskDependType() {
@@ -268,6 +274,14 @@ public class ErrorCommand {
         this.environmentCode = environmentCode;
     }
 
+    public int getDryRun() {
+        return dryRun;
+    }
+
+    public void setDryRun(int dryRun) {
+        this.dryRun = dryRun;
+    }
+
     @Override
     public String toString() {
         return "ErrorCommand{"
@@ -287,6 +301,7 @@ public class ErrorCommand {
                 + ", message='" + message + '\''
                 + ", workerGroup='" + workerGroup + '\''
                 + ", environmentCode='" + environmentCode + '\''
+                + ", dryRun='" + dryRun + '\''
                 + '}';
     }
 }

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/entity/ProcessInstance.java

@@ -239,6 +239,11 @@ public class ProcessInstance {
      */
     private String varPool;
 
+    /**
+     * dry run flag
+     */
+    private int dryRun;
+
     public ProcessInstance() {
 
     }
@@ -503,6 +508,14 @@ public class ProcessInstance {
         this.environmentCode = environmentCode;
     }
 
+    public int getDryRun() {
+        return dryRun;
+    }
+
+    public void setDryRun(int dryRun) {
+        this.dryRun = dryRun;
+    }
+
     /**
      * add command to history
      *
@@ -668,6 +681,9 @@ public class ProcessInstance {
             + ", processDefinitionVersion='"
             + processDefinitionVersion
             + '\''
+            + ", dryRun='"
+            + dryRun
+            + '\''
             + '}';
     }
 

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/entity/TaskInstance.java

@@ -261,6 +261,11 @@ public class TaskInstance implements Serializable {
      */
     private String taskParams;
 
+    /**
+     * dry run flag
+     */
+    private int dryRun;
+
     public void init(String host, Date startTime, String executePath) {
         this.host = host;
         this.startTime = startTime;
@@ -529,6 +534,14 @@ public class TaskInstance implements Serializable {
         this.executorName = executorName;
     }
 
+    public int getDryRun() {
+        return dryRun;
+    }
+
+    public void setDryRun(int dryRun) {
+        this.dryRun = dryRun;
+    }
+
     public boolean isTaskComplete() {
 
         return this.getState().typeIsPause()
@@ -654,6 +667,7 @@ public class TaskInstance implements Serializable {
                 + ", executorId=" + executorId
                 + ", executorName='" + executorName + '\''
                 + ", delayTime=" + delayTime
+                + ", dryRun=" + dryRun
                 + '}';
     }
 

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/CommandMapper.xml

@@ -21,7 +21,7 @@
     <select id="getOneToRun" resultType="org.apache.dolphinscheduler.dao.entity.Command">
         select cmd.id, cmd.command_type, cmd.process_definition_code, cmd.command_param, cmd.task_depend_type, cmd.failure_strategy,
         cmd.warning_type, cmd.warning_group_id, cmd.schedule_time, cmd.start_time, cmd.executor_id, cmd.update_time,
-        cmd.process_instance_priority, cmd.worker_group, cmd.environment_code
+        cmd.process_instance_priority, cmd.worker_group, cmd.environment_code, cmd.dry_run
         from t_ds_command cmd
         join t_ds_process_definition definition on cmd.process_definition_code = definition.code
         where definition.release_state = 1 AND definition.flag = 1

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/ProcessInstanceMapper.xml

@@ -23,7 +23,7 @@
         command_type, command_param, task_depend_type, max_try_times, failure_strategy, warning_type,
         warning_group_id, schedule_time, command_start_time, global_params, flag,
         update_time, is_sub_process, executor_id, history_cmd,
-        process_instance_priority, worker_group,environment_code, timeout, tenant_id, var_pool
+        process_instance_priority, worker_group,environment_code, timeout, tenant_id, var_pool, dry_run
     </sql>
     <select id="queryDetailById" resultType="org.apache.dolphinscheduler.dao.entity.ProcessInstance">
         select
@@ -90,7 +90,7 @@
     <select id="queryProcessInstanceListPaging" resultType="org.apache.dolphinscheduler.dao.entity.ProcessInstance">
         select instance.id, instance.command_type, instance.executor_id, instance.process_definition_version,
         instance.process_definition_code, instance.name, instance.state, instance.schedule_time, instance.start_time,
-        instance.end_time, instance.run_times, instance.recovery, instance.host
+        instance.end_time, instance.run_times, instance.recovery, instance.host, instance.dry_run
         from t_ds_process_instance instance
         join t_ds_process_definition define ON instance.process_definition_code = define.code
         where instance.is_sub_process=0

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/TaskInstanceMapper.xml

@@ -22,13 +22,13 @@
         id, name, task_type, process_instance_id, task_code, task_definition_version, state, submit_time,
         start_time, end_time, host, execute_path, log_path, alert_flag, retry_times, pid, app_link,
         flag, retry_interval, max_retry_times, task_instance_priority, worker_group,environment_code , executor_id,
-        first_submit_time, delay_time, task_params, var_pool
+        first_submit_time, delay_time, task_params, var_pool, dry_run
     </sql>
     <sql id="baseSqlV2">
         ${alias}.id, ${alias}.name, ${alias}.task_type, ${alias}.task_code, ${alias}.task_definition_version, ${alias}.process_instance_id, ${alias}.state, ${alias}.submit_time,
         ${alias}.start_time, ${alias}.end_time, ${alias}.host, ${alias}.execute_path, ${alias}.log_path, ${alias}.alert_flag, ${alias}.retry_times, ${alias}.pid, ${alias}.app_link,
         ${alias}.flag, ${alias}.retry_interval, ${alias}.max_retry_times, ${alias}.task_instance_priority, ${alias}.worker_group,${alias}.environment_code , ${alias}.executor_id,
-        ${alias}.first_submit_time, ${alias}.delay_time, ${alias}.task_params, ${alias}.var_pool
+        ${alias}.first_submit_time, ${alias}.delay_time, ${alias}.task_params, ${alias}.var_pool, ${alias}.dry_run
     </sql>
     <update id="setFailoverByHostAndStateArray">
         update t_ds_task_instance

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/WorkflowExecuteThread.java

@@ -702,6 +702,9 @@ public class WorkflowExecuteThread implements Runnable {
             // task instance flag
             taskInstance.setFlag(Flag.YES);
 
+            // task dry run flag
+            taskInstance.setDryRun(processInstance.getDryRun());
+
             // task instance retry times
             taskInstance.setRetryTimes(0);
 

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/TaskExecuteThread.java

@@ -167,10 +167,14 @@ public class TaskExecuteThread implements Runnable, Delayed {
             }
             logger.info("the task begins to execute. task instance id: {}", taskExecutionContext.getTaskInstanceId());
 
+            TaskInstance taskInstance = processService.findTaskInstanceById(taskExecutionContext.getTaskInstanceId());
+            int dryRun = taskInstance.getDryRun();
             // copy hdfs/minio file to local
+            if (dryRun == Constants.DRY_RUN_FLAG_NO) {
                 downloadResource(taskExecutionContext.getExecutePath(),
                         taskExecutionContext.getResources(),
                         logger);
+            }
 
             taskExecutionContext.setEnvFile(CommonUtils.getSystemEnvPath());
             taskExecutionContext.setDefinedParams(getGlobalParamsMap());
@@ -198,6 +202,8 @@ public class TaskExecuteThread implements Runnable, Delayed {
             this.task.init();
             //init varPool
             this.task.getParameters().setVarPool(taskExecutionContext.getVarPool());
+
+            if (dryRun == Constants.DRY_RUN_FLAG_NO) {
                 // task handle
                 this.task.handle();
 
@@ -206,6 +212,10 @@ public class TaskExecuteThread implements Runnable, Delayed {
                     sendAlert(this.task.getTaskAlertInfo());
                 }
                 responseCommand.setStatus(this.task.getExitStatus().getCode());
+            } else {
+                responseCommand.setStatus(ExecutionStatus.SUCCESS.getCode());
+                task.setExitStatusCode(Constants.EXIT_CODE_SUCCESS);
+            }
             responseCommand.setEndTime(new Date());
             responseCommand.setProcessId(this.task.getProcessId());
             responseCommand.setAppIds(this.task.getAppIds());

dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessService.java

@@ -552,7 +552,8 @@ public class ProcessService {
                 processInstance.getScheduleTime(),
                 processInstance.getWorkerGroup(),
                 processInstance.getEnvironmentCode(),
-                processInstance.getProcessInstancePriority()
+                processInstance.getProcessInstancePriority(),
+                processInstance.getDryRun()
             );
             saveCommand(command);
             return;
@@ -632,6 +633,7 @@ public class ProcessService {
         processInstance.setWarningType(warningType);
         Integer warningGroupId = command.getWarningGroupId() == null ? 0 : command.getWarningGroupId();
         processInstance.setWarningGroupId(warningGroupId);
+        processInstance.setDryRun(command.getDryRun());
 
         // schedule time
         Date scheduleTime = getScheduleTime(command, cmdParam);
@@ -1292,7 +1294,8 @@ public class ProcessService {
             parentProcessInstance.getScheduleTime(),
             task.getWorkerGroup(),
             task.getEnvironmentCode(),
-            parentProcessInstance.getProcessInstancePriority()
+            parentProcessInstance.getProcessInstancePriority(),
+            parentProcessInstance.getDryRun()
         );
     }
 

dolphinscheduler-service/src/test/java/org/apache/dolphinscheduler/service/process/ProcessServiceTest.java

@@ -296,6 +296,7 @@ public class ProcessServiceTest {
         commandParams.put(CMD_PARAM_START_PARAMS, JSONUtils.toJsonString(startParams));
         command5.setCommandParam(JSONUtils.toJsonString(commandParams));
         command5.setCommandType(CommandType.START_PROCESS);
+        command5.setDryRun(Constants.DRY_RUN_FLAG_NO);
         ProcessInstance processInstance1 = processService.handleCommand(logger, host, validThreadNum, command5);
         Assert.assertTrue(processInstance1.getGlobalParams().contains("\"testStartParam1\""));
     }

sql/dolphinscheduler_mysql.sql

@@ -332,6 +332,7 @@ CREATE TABLE `t_ds_command` (
   `process_instance_priority` int(11) DEFAULT NULL COMMENT 'process instance priority: 0 Highest,1 High,2 Medium,3 Low,4 Lowest',
   `worker_group` varchar(64)  COMMENT 'worker group',
   `environment_code` bigint(20) DEFAULT '-1' COMMENT 'environment code',
+  `dry_run` int NULL DEFAULT 0 COMMENT 'dry run flag：0 normal, 1 dry run',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
 
@@ -381,6 +382,7 @@ CREATE TABLE `t_ds_error_command` (
   `worker_group` varchar(64)  COMMENT 'worker group',
   `environment_code` bigint(20) DEFAULT '-1' COMMENT 'environment code',
   `message` text COMMENT 'message',
+  `dry_run` int NULL DEFAULT NULL COMMENT 'dry run flag: 0 normal, 1 dry run',
   PRIMARY KEY (`id`) USING BTREE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC;
 
@@ -586,6 +588,7 @@ CREATE TABLE `t_ds_process_instance` (
   `timeout` int(11) DEFAULT '0' COMMENT 'time out',
   `tenant_id` int(11) NOT NULL DEFAULT '-1' COMMENT 'tenant id',
   `var_pool` longtext COMMENT 'var_pool',
+  `dry_run` int NULL DEFAULT 0 COMMENT 'dry run flag: 0 normal, 1 dry run ',
   PRIMARY KEY (`id`),
   KEY `process_instance_index` (`process_definition_code`,`id`) USING BTREE,
   KEY `start_time_index` (`start_time`) USING BTREE
@@ -822,6 +825,7 @@ CREATE TABLE `t_ds_task_instance` (
   `first_submit_time` datetime DEFAULT NULL COMMENT 'task first submit time',
   `delay_time` int(4) DEFAULT '0' COMMENT 'task delay execution time',
   `var_pool` longtext COMMENT 'var_pool',
+  `dry_run` int NULL DEFAULT NULL COMMENT 'dry run flag: 0 normal, 1 dry run',
   PRIMARY KEY (`id`),
   KEY `process_instance_id` (`process_instance_id`) USING BTREE,
   CONSTRAINT `foreign_key_instance_id` FOREIGN KEY (`process_instance_id`) REFERENCES `t_ds_process_instance` (`id`) ON DELETE CASCADE

sql/dolphinscheduler_postgre.sql

@@ -254,6 +254,7 @@ CREATE TABLE t_ds_command (
   process_instance_priority int DEFAULT NULL ,
   worker_group varchar(64),
   environment_code bigint DEFAULT '-1',
+  dry_run int DEFAULT '0' ,
   PRIMARY KEY (id)
 ) ;
 
@@ -297,6 +298,7 @@ CREATE TABLE t_ds_error_command (
   worker_group varchar(64),
   environment_code bigint DEFAULT '-1',
   message text ,
+  dry_ru int DEFAULT '0' ,
   PRIMARY KEY (id)
 );
 --
@@ -490,6 +492,7 @@ CREATE TABLE t_ds_process_instance (
   timeout int DEFAULT '0' ,
   tenant_id int NOT NULL DEFAULT '-1' ,
   var_pool text ,
+  dry_run int DEFAULT '0' ,
   PRIMARY KEY (id)
 ) ;
 
@@ -703,6 +706,7 @@ CREATE TABLE t_ds_task_instance (
   first_submit_time timestamp DEFAULT NULL ,
   delay_time int DEFAULT '0' ,
   var_pool text ,
+  dry_run int DEFAULT '0' ,
   PRIMARY KEY (id),
   CONSTRAINT foreign_key_instance_id FOREIGN KEY(process_instance_id) REFERENCES t_ds_process_instance(id) ON DELETE CASCADE
 ) ;