refactor worker group (#2132)

* replace worker group id with worker group

* add worker group field in ddl

* remove worker group id

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

@@ -64,7 +64,7 @@ public class ExecutorController extends BaseController {
      * @param receiversCc receivers cc
      * @param runMode run mode
      * @param processInstancePriority process instance priority
-     * @param workerGroupId worker group id
+     * @param workerGroup worker group
      * @param timeout timeout
      * @return start process result code
      */
@@ -82,7 +82,7 @@ public class ExecutorController extends BaseController {
             @ApiImplicitParam(name = "receiversCc", value = "RECEIVERS_CC",dataType ="String" ),
             @ApiImplicitParam(name = "runMode", value = "RUN_MODE",dataType ="RunMode" ),
             @ApiImplicitParam(name = "processInstancePriority", value = "PROCESS_INSTANCE_PRIORITY", required = true, dataType = "Priority" ),
-            @ApiImplicitParam(name = "workerGroupId", value = "WORKER_GROUP_ID", dataType = "Int",example = "100"),
+            @ApiImplicitParam(name = "workerGroup", value = "WORKER_GROUP", dataType = "String",example = "default"),
             @ApiImplicitParam(name = "timeout", value = "TIMEOUT", dataType = "Int",example = "100"),
     })
     @PostMapping(value = "start-process-instance")
@@ -101,15 +101,15 @@ public class ExecutorController extends BaseController {
                                        @RequestParam(value = "receiversCc", required = false) String receiversCc,
                                        @RequestParam(value = "runMode", required = false) RunMode runMode,
                                        @RequestParam(value = "processInstancePriority", required = false) Priority processInstancePriority,
-                                       @RequestParam(value = "workerGroupId", required = false, defaultValue = "-1") int workerGroupId,
+                                       @RequestParam(value = "workerGroup", required = false, defaultValue = "default") String workerGroup,
                                        @RequestParam(value = "timeout", required = false) Integer timeout) {
         try {
             logger.info("login user {}, start process instance, project name: {}, process definition id: {}, schedule time: {}, "
                             + "failure policy: {}, node name: {}, node dep: {}, notify type: {}, "
-                            + "notify group id: {},receivers:{},receiversCc:{}, run mode: {},process instance priority:{}, workerGroupId: {}, timeout: {}",
+                            + "notify group id: {},receivers:{},receiversCc:{}, run mode: {},process instance priority:{}, workerGroup: {}, timeout: {}",
                     loginUser.getUserName(), projectName, processDefinitionId, scheduleTime,
-                    failureStrategy, startNodeList, taskDependType, warningType, warningGroupId,receivers,receiversCc,runMode,processInstancePriority,
+                    failureStrategy, startNodeList, taskDependType, warningType, workerGroup,receivers,receiversCc,runMode,processInstancePriority,
-                    workerGroupId, timeout);
+                    workerGroup, timeout);
 
             if (timeout == null) {
                 timeout = Constants.MAX_TASK_TIMEOUT;
@@ -117,7 +117,7 @@ public class ExecutorController extends BaseController {
 
             Map<String, Object> result = execService.execProcessInstance(loginUser, projectName, processDefinitionId, scheduleTime, execType, failureStrategy,
                             startNodeList, taskDependType, warningType,
-                    warningGroupId,receivers,receiversCc, runMode,processInstancePriority, workerGroupId, timeout);
+                    warningGroupId,receivers,receiversCc, runMode,processInstancePriority, workerGroup, timeout);
             return returnDataList(result);
         } catch (Exception e) {
             logger.error(Status.START_PROCESS_INSTANCE_ERROR.getMsg(),e);

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

@@ -70,7 +70,7 @@ public class SchedulerController extends BaseController {
      * @param processInstancePriority process instance priority
      * @param receivers receivers
      * @param receiversCc receivers cc
-     * @param workerGroupId  worker group id
+     * @param workerGroup  worker group
      * @return create result code
      */
     @ApiOperation(value = "createSchedule", notes= "CREATE_SCHEDULE_NOTES")
@@ -96,15 +96,15 @@ public class SchedulerController extends BaseController {
                                  @RequestParam(value = "failureStrategy", required = false, defaultValue = DEFAULT_FAILURE_POLICY) FailureStrategy failureStrategy,
                                  @RequestParam(value = "receivers", required = false) String receivers,
                                  @RequestParam(value = "receiversCc", required = false) String receiversCc,
-                                 @RequestParam(value = "workerGroupId", required = false, defaultValue = "-1") int workerGroupId,
+                                 @RequestParam(value = "workerGroup", required = false, defaultValue = "default") String workerGroup,
                                  @RequestParam(value = "processInstancePriority", required = false) Priority processInstancePriority) {
         logger.info("login user {}, project name: {}, process name: {}, create schedule: {}, warning type: {}, warning group id: {}," +
                         "failure policy: {},receivers : {},receiversCc : {},processInstancePriority : {}, workGroupId:{}",
                 loginUser.getUserName(), projectName, processDefinitionId, schedule, warningType, warningGroupId,
-                failureStrategy, receivers, receiversCc, processInstancePriority, workerGroupId);
+                failureStrategy, receivers, receiversCc, processInstancePriority, workerGroup);
         try {
             Map<String, Object> result = schedulerService.insertSchedule(loginUser, projectName, processDefinitionId, schedule,
-                    warningType, warningGroupId, failureStrategy, receivers, receiversCc, processInstancePriority, workerGroupId);
+                    warningType, warningGroupId, failureStrategy, receivers, receiversCc, processInstancePriority, workerGroup);
 
             return returnDataList(result);
         } catch (Exception e) {
@@ -124,7 +124,7 @@ public class SchedulerController extends BaseController {
      * @param warningGroupId warning group id
      * @param failureStrategy failure strategy
      * @param receivers receivers
-     * @param workerGroupId worker group id
+     * @param workerGroup worker group
      * @param processInstancePriority process instance priority
      * @param receiversCc receivers cc
      * @return update result code
@@ -151,16 +151,16 @@ public class SchedulerController extends BaseController {
                                  @RequestParam(value = "failureStrategy", required = false, defaultValue = "END") FailureStrategy failureStrategy,
                                  @RequestParam(value = "receivers", required = false) String receivers,
                                  @RequestParam(value = "receiversCc", required = false) String receiversCc,
-                                 @RequestParam(value = "workerGroupId", required = false, defaultValue = "-1") int workerGroupId,
+                                 @RequestParam(value = "workerGroup", required = false, defaultValue = "default") String workerGroup,
                                  @RequestParam(value = "processInstancePriority", required = false) Priority processInstancePriority) {
         logger.info("login user {}, project name: {},id: {}, updateProcessInstance schedule: {}, notify type: {}, notify mails: {}, " +
                         "failure policy: {},receivers : {},receiversCc : {},processInstancePriority : {},workerGroupId:{}",
                 loginUser.getUserName(), projectName, id, schedule, warningType, warningGroupId, failureStrategy,
-                receivers, receiversCc, processInstancePriority, workerGroupId);
+                receivers, receiversCc, processInstancePriority, workerGroup);
 
         try {
             Map<String, Object> result = schedulerService.updateSchedule(loginUser, projectName, id, schedule,
-                    warningType, warningGroupId, failureStrategy, receivers, receiversCc, null, processInstancePriority, workerGroupId);
+                    warningType, warningGroupId, failureStrategy, receivers, receiversCc, null, processInstancePriority, workerGroup);
             return returnDataList(result);
 
         } catch (Exception e) {

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

@@ -27,6 +27,7 @@ import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiImplicitParam;
 import io.swagger.annotations.ApiImplicitParams;
 import io.swagger.annotations.ApiOperation;
+import org.apache.dolphinscheduler.service.zk.ZookeeperCachedOperator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -34,6 +35,7 @@ import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.*;
 import springfox.documentation.annotations.ApiIgnore;
 
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -46,7 +48,6 @@ public class WorkerGroupController extends BaseController{
 
     private static final Logger logger = LoggerFactory.getLogger(WorkerGroupController.class);
 
-
     @Autowired
     WorkerGroupService workerGroupService;
 
@@ -135,6 +136,7 @@ public class WorkerGroupController extends BaseController{
                 loginUser.getUserName() );
 
         try {
+
             Map<String, Object> result = workerGroupService.queryAllGroup();
             return returnDataList(result);
         }catch (Exception e){

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/dto/ProcessMeta.java

@@ -96,11 +96,6 @@ public class ProcessMeta {
      */
     private String scheduleProcessInstancePriority;
 
-    /**
-     * worker group id
-     */
-    private Integer scheduleWorkerGroupId;
-
     /**
      * worker group name
      */
@@ -229,14 +224,6 @@ public class ProcessMeta {
         this.scheduleProcessInstancePriority = scheduleProcessInstancePriority;
     }
 
-    public Integer getScheduleWorkerGroupId() {
-        return scheduleWorkerGroupId;
-    }
-
-    public void setScheduleWorkerGroupId(int scheduleWorkerGroupId) {
-        this.scheduleWorkerGroupId = scheduleWorkerGroupId;
-    }
-
     public String getScheduleWorkerGroupName() {
         return scheduleWorkerGroupName;
     }

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

@@ -85,7 +85,7 @@ public class ExecutorService extends BaseService{
      * @param receivers             receivers
      * @param receiversCc           receivers cc
      * @param processInstancePriority process instance priority
-     * @param workerGroupId worker group id
+     * @param workerGroup worker group name
      * @param runMode run mode
      * @param timeout               timeout
      * @return execute process instance code
@@ -96,7 +96,7 @@ public class ExecutorService extends BaseService{
                                                    FailureStrategy failureStrategy, String startNodeList,
                                                    TaskDependType taskDependType, WarningType warningType, int warningGroupId,
                                                    String receivers, String receiversCc, RunMode runMode,
-                                                   Priority processInstancePriority, int workerGroupId, Integer timeout) throws ParseException {
+                                                   Priority processInstancePriority, String workerGroup, Integer timeout) throws ParseException {
         Map<String, Object> result = new HashMap<>(5);
         // timeout is valid
         if (timeout <= 0 || timeout > MAX_TASK_TIMEOUT) {
@@ -128,7 +128,7 @@ public class ExecutorService extends BaseService{
          */
         int create = this.createCommand(commandType, processDefinitionId,
                 taskDependType, failureStrategy, startNodeList, cronTime, warningType, loginUser.getId(),
-                warningGroupId, runMode,processInstancePriority, workerGroupId);
+                warningGroupId, runMode,processInstancePriority, workerGroup);
         if(create > 0 ){
             /**
              * according to the process definition ID updateProcessInstance and CC recipient
@@ -452,11 +452,29 @@ public class ExecutorService extends BaseService{
      * @return
      * @throws ParseException
      */
+
+    /**
+     * create commonad
+     * @param commandType       command type
+     * @param processDefineId   process define id
+     * @param nodeDep           node dependency
+     * @param failureStrategy   failure strategy
+     * @param startNodeList     start node list
+     * @param schedule          schedule
+     * @param warningType       warning type
+     * @param executorId        executor id
+     * @param warningGroupId    warning group id
+     * @param runMode           run mode
+     * @param processInstancePriority   process instance priority
+     * @param workerGroup     worker group
+     * @return create command result
+     * @throws ParseException parse exception
+     */
     private int createCommand(CommandType commandType, int processDefineId,
                               TaskDependType nodeDep, FailureStrategy failureStrategy,
                               String startNodeList, String schedule, WarningType warningType,
-                              int excutorId, int warningGroupId,
+                              int executorId, int warningGroupId,
-                              RunMode runMode,Priority processInstancePriority, int workerGroupId) throws ParseException {
+                              RunMode runMode,Priority processInstancePriority, String workerGroup) throws ParseException {
 
         /**
          * instantiate command schedule instance
@@ -484,10 +502,10 @@ public class ExecutorService extends BaseService{
             command.setWarningType(warningType);
         }
         command.setCommandParam(JSONUtils.toJson(cmdParam));
-        command.setExecutorId(excutorId);
+        command.setExecutorId(executorId);
         command.setWarningGroupId(warningGroupId);
         command.setProcessInstancePriority(processInstancePriority);
-        command.setWorkerGroupId(workerGroupId);
+        command.setWorkerGroup(workerGroup);
 
         Date start = null;
         Date end = null;

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

@@ -561,13 +561,13 @@ public class ProcessDefinitionService extends BaseDAGService {
         List<Schedule> schedules = scheduleMapper.queryByProcessDefinitionId(processDefinitionId);
         if (!schedules.isEmpty()) {
             Schedule schedule = schedules.get(0);
-            WorkerGroup workerGroup = workerGroupMapper.selectById(schedule.getWorkerGroupId());
+            /*WorkerGroup workerGroup = workerGroupMapper.selectById(schedule.getWorkerGroupId());
 
             if (null == workerGroup && schedule.getWorkerGroupId() == -1) {
                 workerGroup = new WorkerGroup();
                 workerGroup.setId(-1);
                 workerGroup.setName("");
-            }
+            }*/
 
             exportProcessMeta.setScheduleWarningType(schedule.getWarningType().toString());
             exportProcessMeta.setScheduleWarningGroupId(schedule.getWarningGroupId());
@@ -577,11 +577,7 @@ public class ProcessDefinitionService extends BaseDAGService {
             exportProcessMeta.setScheduleFailureStrategy(String.valueOf(schedule.getFailureStrategy()));
             exportProcessMeta.setScheduleReleaseState(String.valueOf(ReleaseState.OFFLINE));
             exportProcessMeta.setScheduleProcessInstancePriority(String.valueOf(schedule.getProcessInstancePriority()));
-
+            exportProcessMeta.setScheduleWorkerGroupName(schedule.getWorkerGroup());
-            if (null != workerGroup) {
-                exportProcessMeta.setScheduleWorkerGroupId(workerGroup.getId());
-                exportProcessMeta.setScheduleWorkerGroupName(workerGroup.getName());
-            }
         }
         //create workflow json file
         return JSONUtils.toJsonString(exportProcessMeta);
@@ -780,15 +776,9 @@ public class ProcessDefinitionService extends BaseDAGService {
         if (null != processMeta.getScheduleProcessInstancePriority()) {
             scheduleObj.setProcessInstancePriority(Priority.valueOf(processMeta.getScheduleProcessInstancePriority()));
         }
-        if (null != processMeta.getScheduleWorkerGroupId()) {
+
-            scheduleObj.setWorkerGroupId(processMeta.getScheduleWorkerGroupId());
-        } else {
         if (null != processMeta.getScheduleWorkerGroupName()) {
-                List<WorkerGroup> workerGroups = workerGroupMapper.queryWorkerGroupByName(processMeta.getScheduleWorkerGroupName());
+            scheduleObj.setWorkerGroup(processMeta.getScheduleWorkerGroupName());
-                if(CollectionUtils.isNotEmpty(workerGroups)){
-                    scheduleObj.setWorkerGroupId(workerGroups.get(0).getId());
-                }
-            }
         }
 
         return scheduleMapper.insert(scheduleObj);

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

@@ -112,9 +112,9 @@ public class ProcessInstanceService extends BaseDAGService {
             return checkResult;
         }
         ProcessInstance processInstance = processService.findProcessInstanceDetailById(processId);
-        String workerGroupName = "";
+        /*String workerGroupName = "";
-        if(processInstance.getWorkerGroupId() == -1){
+        if(StringUtils.isBlank(processInstance.getWorkerGroup())){
-            workerGroupName = DEFAULT;
+            workerGroupName = ;
         }else{
             WorkerGroup workerGroup = workerGroupMapper.selectById(processInstance.getWorkerGroupId());
             if(workerGroup != null){
@@ -123,7 +123,7 @@ public class ProcessInstanceService extends BaseDAGService {
                 workerGroupName = DEFAULT;
             }
         }
-        processInstance.setWorkerGroupName(workerGroupName);
+        processInstance.setWorkerGroupName(workerGroupName);*/
         ProcessDefinition processDefinition = processService.findProcessDefineById(processInstance.getProcessDefinitionId());
         processInstance.setReceivers(processDefinition.getReceivers());
         processInstance.setReceiversCc(processDefinition.getReceiversCc());

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

@@ -92,7 +92,7 @@ public class SchedulerService extends BaseService {
      * @param processInstancePriority process instance priority
      * @param receivers receivers
      * @param receiversCc receivers cc
-     * @param workerGroupId worker group id
+     * @param workerGroup worker group
      * @return create result code
      * @throws IOException ioexception
      */
@@ -106,7 +106,7 @@ public class SchedulerService extends BaseService {
                                               String receivers,
                                               String receiversCc,
                                               Priority processInstancePriority,
-                                              int workerGroupId) throws IOException {
+                                              String workerGroup) throws IOException {
 
         Map<String, Object> result = new HashMap<String, Object>(5);
 
@@ -156,7 +156,7 @@ public class SchedulerService extends BaseService {
         scheduleObj.setUserName(loginUser.getUserName());
         scheduleObj.setReleaseState(ReleaseState.OFFLINE);
         scheduleObj.setProcessInstancePriority(processInstancePriority);
-        scheduleObj.setWorkerGroupId(workerGroupId);
+        scheduleObj.setWorkerGroup(workerGroup);
         scheduleMapper.insert(scheduleObj);
 
         /**
@@ -182,7 +182,7 @@ public class SchedulerService extends BaseService {
      * @param warningType warning type
      * @param warningGroupId warning group id
      * @param failureStrategy failure strategy
-     * @param workerGroupId worker group id
+     * @param workerGroup worker group
      * @param processInstancePriority process instance priority
      * @param receiversCc receiver cc
      * @param receivers receivers
@@ -202,7 +202,7 @@ public class SchedulerService extends BaseService {
                                               String receiversCc,
                                               ReleaseState scheduleStatus,
                                               Priority processInstancePriority,
-                                              int workerGroupId) throws IOException {
+                                              String workerGroup) throws IOException {
         Map<String, Object> result = new HashMap<String, Object>(5);
 
         Project project = projectMapper.queryByName(projectName);
@@ -266,7 +266,7 @@ public class SchedulerService extends BaseService {
         if (scheduleStatus != null) {
             schedule.setReleaseState(scheduleStatus);
         }
-        schedule.setWorkerGroupId(workerGroupId);
+        schedule.setWorkerGroup(workerGroup);
         schedule.setUpdateTime(now);
         schedule.setProcessInstancePriority(processInstancePriority);
         scheduleMapper.updateById(schedule);

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

@@ -28,6 +28,7 @@ import org.apache.dolphinscheduler.dao.mapper.ProcessInstanceMapper;
 import org.apache.dolphinscheduler.dao.mapper.WorkerGroupMapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import org.apache.dolphinscheduler.service.zk.ZookeeperCachedOperator;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -50,6 +51,9 @@ public class WorkerGroupService extends BaseService {
     @Autowired
     ProcessInstanceMapper processInstanceMapper;
 
+    @Autowired
+    protected ZookeeperCachedOperator zookeeperCachedOperator;
+
     /**
      * create or update a worker group
      *
@@ -181,7 +185,8 @@ public class WorkerGroupService extends BaseService {
      */
     public Map<String,Object> queryAllGroup() {
         Map<String, Object> result = new HashMap<>(5);
-        List<WorkerGroup> workerGroupList = workerGroupMapper.queryAllWorkerGroup();
+        String WORKER_PATH = zookeeperCachedOperator.getZookeeperConfig().getDsRoot()+"/nodes" +"/worker";
+        List<String> workerGroupList = zookeeperCachedOperator.getChildrenKeys(WORKER_PATH);
         result.put(Constants.DATA_LIST, workerGroupList);
         putMsg(result, Status.SUCCESS);
         return result;

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/ExecutorService2Test.java

@@ -117,7 +117,7 @@ public class ExecutorService2Test {
                     null, null,
                     null, null, 0,
                     "", "", RunMode.RUN_MODE_SERIAL,
-                    Priority.LOW, 0, 110);
+                    Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 110);
             Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
             verify(processService, times(1)).createCommand(any(Command.class));
         }catch (Exception e){
@@ -138,7 +138,7 @@ public class ExecutorService2Test {
                     null, null,
                     null, null, 0,
                     "", "", RunMode.RUN_MODE_SERIAL,
-                    Priority.LOW, 0, 110);
+                    Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 110);
             Assert.assertEquals(Status.START_PROCESS_INSTANCE_ERROR, result.get(Constants.STATUS));
             verify(processService, times(0)).createCommand(any(Command.class));
         }catch (Exception e){
@@ -159,7 +159,7 @@ public class ExecutorService2Test {
                     null, null,
                     null, null, 0,
                     "", "", RunMode.RUN_MODE_SERIAL,
-                    Priority.LOW, 0, 110);
+                    Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 110);
             Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
             verify(processService, times(1)).createCommand(any(Command.class));
         }catch (Exception e){
@@ -180,7 +180,7 @@ public class ExecutorService2Test {
                     null, null,
                     null, null, 0,
                     "", "", RunMode.RUN_MODE_PARALLEL,
-                    Priority.LOW, 0, 110);
+                    Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 110);
             Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
             verify(processService, times(31)).createCommand(any(Command.class));
         }catch (Exception e){
@@ -201,7 +201,7 @@ public class ExecutorService2Test {
                     null, null,
                     null, null, 0,
                     "", "", RunMode.RUN_MODE_PARALLEL,
-                    Priority.LOW, 0, 110);
+                    Priority.LOW, Constants.DEFAULT_WORKER_GROUP, 110);
             Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
             verify(processService, times(15)).createCommand(any(Command.class));
         }catch (Exception e){

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

@@ -803,7 +803,7 @@ public class ProcessDefinitionServiceTest {
         schedule.setProcessInstancePriority(Priority.MEDIUM);
         schedule.setWarningType(WarningType.NONE);
         schedule.setWarningGroupId(1);
-        schedule.setWorkerGroupId(-1);
+        schedule.setWorkerGroup(Constants.DEFAULT_WORKER_GROUP);
         return schedule;
     }
 
@@ -822,7 +822,6 @@ public class ProcessDefinitionServiceTest {
         processMeta.setScheduleFailureStrategy(String.valueOf(schedule.getFailureStrategy()));
         processMeta.setScheduleReleaseState(String.valueOf(schedule.getReleaseState()));
         processMeta.setScheduleProcessInstancePriority(String.valueOf(schedule.getProcessInstancePriority()));
-        processMeta.setScheduleWorkerGroupId(schedule.getWorkerGroupId());
         processMeta.setScheduleWorkerGroupName("workgroup1");
         return processMeta;
     }

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/model/TaskNode.java

@@ -114,9 +114,9 @@ public class TaskNode {
   private Priority taskInstancePriority;
 
   /**
-   * worker group id
+   * worker group
    */
-  private int workerGroupId;
+  private String workerGroup;
 
 
   /**
@@ -230,7 +230,7 @@ public class TaskNode {
             Objects.equals(extras, taskNode.extras) &&
             Objects.equals(runFlag, taskNode.runFlag) &&
             Objects.equals(dependence, taskNode.dependence) &&
-            Objects.equals(workerGroupId, taskNode.workerGroupId) &&
+            Objects.equals(workerGroup, taskNode.workerGroup) &&
             CollectionUtils.equalLists(depList, taskNode.depList);
   }
 
@@ -310,15 +310,15 @@ public class TaskNode {
             ", dependence='" + dependence + '\'' +
             ", taskInstancePriority=" + taskInstancePriority +
             ", timeout='" + timeout + '\'' +
-            ", workerGroupId='" + workerGroupId + '\'' +
+            ", workerGroup='" + workerGroup + '\'' +
             '}';
   }
 
-  public int getWorkerGroupId() {
+  public String getWorkerGroup() {
-    return workerGroupId;
+    return workerGroup;
   }
 
-  public void setWorkerGroupId(int workerGroupId) {
+  public void setWorkerGroup(String workerGroup) {
-    this.workerGroupId = workerGroupId;
+    this.workerGroup = workerGroup;
   }
 }

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

@@ -108,13 +108,11 @@ public class Command {
     @TableField("update_time")
     private Date updateTime;
 
-
     /**
-     *
+     * worker group
      */
-    @TableField("worker_group_id")
+    @TableField(exist = false)
-    private int workerGroupId;
+    private String workerGroup;
-
 
     public Command() {
         this.taskDependType = TaskDependType.TASK_POST;
@@ -254,13 +252,12 @@ public class Command {
         this.updateTime = updateTime;
     }
 
-
+    public String getWorkerGroup() {
-    public int getWorkerGroupId() {
+        return workerGroup;
-        return workerGroupId;
     }
 
-    public void setWorkerGroupId(int workerGroupId) {
+    public void setWorkerGroup(String workerGroup) {
-        this.workerGroupId = workerGroupId;
+        this.workerGroup = workerGroup;
     }
 
     @Override
@@ -283,7 +280,7 @@ public class Command {
         if (executorId != command.executorId) {
             return false;
         }
-        if (workerGroupId != command.workerGroupId) {
+        if (workerGroup != null ? workerGroup.equals(command.workerGroup) : command.workerGroup == null) {
             return false;
         }
         if (commandType != command.commandType) {
@@ -332,10 +329,9 @@ public class Command {
         result = 31 * result + (startTime != null ? startTime.hashCode() : 0);
         result = 31 * result + (processInstancePriority != null ? processInstancePriority.hashCode() : 0);
         result = 31 * result + (updateTime != null ? updateTime.hashCode() : 0);
-        result = 31 * result + workerGroupId;
+        result = 31 * result + (workerGroup != null ? workerGroup.hashCode() : 0);
         return result;
     }
-
     @Override
     public String toString() {
         return "Command{" +
@@ -352,7 +348,7 @@ public class Command {
                 ", startTime=" + startTime +
                 ", processInstancePriority=" + processInstancePriority +
                 ", updateTime=" + updateTime +
-                ", workerGroupId=" + workerGroupId +
+                ", workerGroup='" + workerGroup + '\'' +
                 '}';
     }
 }

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

@@ -189,9 +189,9 @@ public class ProcessInstance {
     private Priority processInstancePriority;
 
     /**
-     * worker group id
+     * worker group
      */
-    private int workerGroupId;
+    private String workerGroup;
 
     /**
      * process timeout for warning
@@ -203,12 +203,6 @@ public class ProcessInstance {
      */
     private int tenantId;
 
-    /**
-     * worker group name. for api.
-     */
-    @TableField(exist = false)
-    private String workerGroupName;
-
     /**
      * receivers for api
      */
@@ -527,12 +521,12 @@ public class ProcessInstance {
         this.duration = duration;
     }
 
-    public int getWorkerGroupId() {
+    public String getWorkerGroup() {
-        return workerGroupId;
+        return workerGroup;
     }
 
-    public void setWorkerGroupId(int workerGroupId) {
+    public void setWorkerGroup(String workerGroup) {
-        this.workerGroupId = workerGroupId;
+        this.workerGroup = workerGroup;
     }
 
     public int getTimeout() {
@@ -552,14 +546,6 @@ public class ProcessInstance {
         return this.tenantId ;
     }
 
-    public String getWorkerGroupName() {
-        return workerGroupName;
-    }
-
-    public void setWorkerGroupName(String workerGroupName) {
-        this.workerGroupName = workerGroupName;
-    }
-
     public String getReceivers() {
         return receivers;
     }
@@ -610,10 +596,9 @@ public class ProcessInstance {
                 ", dependenceScheduleTimes='" + dependenceScheduleTimes + '\'' +
                 ", duration=" + duration +
                 ", processInstancePriority=" + processInstancePriority +
-                ", workerGroupId=" + workerGroupId +
+                ", workerGroup='" + workerGroup + '\'' +
                 ", timeout=" + timeout +
                 ", tenantId=" + tenantId +
-                ", workerGroupName='" + workerGroupName + '\'' +
                 ", receivers='" + receivers + '\'' +
                 ", receiversCc='" + receiversCc + '\'' +
                 '}';

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

@@ -122,9 +122,9 @@ public class Schedule {
   private Priority processInstancePriority;
 
   /**
-   *  worker group id
+   *  worker group
    */
-  private int workerGroupId;
+  private String workerGroup;
 
   public int getWarningGroupId() {
     return warningGroupId;
@@ -265,13 +265,12 @@ public class Schedule {
     this.processInstancePriority = processInstancePriority;
   }
 
-
+  public String getWorkerGroup() {
-  public int getWorkerGroupId() {
+    return workerGroup;
-    return workerGroupId;
   }
 
-  public void setWorkerGroupId(int workerGroupId) {
+  public void setWorkerGroup(String workerGroup) {
-    this.workerGroupId = workerGroupId;
+    this.workerGroup = workerGroup;
   }
 
   @Override
@@ -294,7 +293,7 @@ public class Schedule {
             ", releaseState=" + releaseState +
             ", warningGroupId=" + warningGroupId +
             ", processInstancePriority=" + processInstancePriority +
-            ", workerGroupId=" + workerGroupId +
+            ", workerGroup='" + workerGroup + '\'' +
             '}';
   }
 

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

@@ -186,15 +186,10 @@ public class TaskInstance implements Serializable {
     @TableField(exist = false)
     private String dependentResult;
 
-    /**
-     * worker group id
-     */
-    private int workerGroupId;
 
     /**
      * workerGroup
      */
-    @TableField(exist = false)
     private String workerGroup;
 
     public ProcessInstance getProcessInstance() {
@@ -450,14 +445,6 @@ public class TaskInstance implements Serializable {
         this.processInstancePriority = processInstancePriority;
     }
 
-    public int getWorkerGroupId() {
-        return workerGroupId;
-    }
-
-    public void setWorkerGroupId(int workerGroupId) {
-        this.workerGroupId = workerGroupId;
-    }
-
     public String getDependentResult() {
         return dependentResult;
     }
@@ -505,7 +492,6 @@ public class TaskInstance implements Serializable {
                 ", taskInstancePriority=" + taskInstancePriority +
                 ", processInstancePriority=" + processInstancePriority +
                 ", dependentResult='" + dependentResult + '\'' +
-                ", workerGroupId=" + workerGroupId +
                 ", workerGroup='" + workerGroup + '\'' +
                 '}';
     }

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/CommandMapperTest.java

@@ -16,6 +16,7 @@
  */
 package org.apache.dolphinscheduler.dao.mapper;
 
+import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.utils.DateUtils;
 import org.apache.dolphinscheduler.dao.entity.Command;
 import org.apache.dolphinscheduler.dao.entity.CommandCount;
@@ -265,7 +266,7 @@ public class CommandMapperTest {
         command.setProcessInstancePriority(Priority.MEDIUM);
         command.setStartTime(DateUtils.stringToDate("2019-12-29 10:10:00"));
         command.setUpdateTime(DateUtils.stringToDate("2019-12-29 10:10:00"));
-        command.setWorkerGroupId(-1);
+        command.setWorkerGroup(Constants.DEFAULT_WORKER_GROUP);
         commandMapper.insert(command);
 
         return command;

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

@@ -486,8 +486,13 @@ public class MasterExecThread implements Runnable {
                 taskInstance.setTaskInstancePriority(taskNode.getTaskInstancePriority());
             }
 
-            int workerGroupId = taskNode.getWorkerGroupId();
+            String processWorkerGroup = processInstance.getWorkerGroup();
-            taskInstance.setWorkerGroupId(workerGroupId);
+            String taskWorkerGroup = StringUtils.isBlank(taskNode.getWorkerGroup()) ? processWorkerGroup : taskNode.getWorkerGroup();
+            if (!processWorkerGroup.equals(DEFAULT_WORKER_GROUP) && taskWorkerGroup.equals(DEFAULT_WORKER_GROUP)) {
+                taskInstance.setWorkerGroup(processWorkerGroup);
+            }else {
+                taskInstance.setWorkerGroup(taskWorkerGroup);
+            }
 
         }
         return taskInstance;

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

@@ -427,8 +427,8 @@ public class ProcessService {
         processInstance.setProcessInstanceJson(processDefinition.getProcessDefinitionJson());
         // set process instance priority
         processInstance.setProcessInstancePriority(command.getProcessInstancePriority());
-        int workerGroupId = command.getWorkerGroupId() == 0 ? -1 : command.getWorkerGroupId();
+        String workerGroup = StringUtils.isBlank(command.getWorkerGroup()) ? Constants.DEFAULT_WORKER_GROUP : command.getWorkerGroup();
-        processInstance.setWorkerGroupId(workerGroupId);
+        processInstance.setWorkerGroup(workerGroup);
         processInstance.setTimeout(processDefinition.getTimeout());
         processInstance.setTenantId(processDefinition.getTenantId());
         return processInstance;
@@ -964,7 +964,7 @@ public class ProcessService {
      */
     public String taskZkInfo(TaskInstance taskInstance) {
 
-        int taskWorkerGroupId = getTaskWorkerGroupId(taskInstance);
+        String taskWorkerGroup = getTaskWorkerGroup(taskInstance);
         ProcessInstance processInstance = this.findProcessInstanceById(taskInstance.getProcessInstanceId());
         if(processInstance == null){
             logger.error("process instance is null. please check the task info, task id: " + taskInstance.getId());
@@ -976,9 +976,10 @@ public class ProcessService {
         sb.append(processInstance.getProcessInstancePriority().ordinal()).append(Constants.UNDERLINE)
                 .append(taskInstance.getProcessInstanceId()).append(Constants.UNDERLINE)
                 .append(taskInstance.getTaskInstancePriority().ordinal()).append(Constants.UNDERLINE)
-                .append(taskInstance.getId()).append(Constants.UNDERLINE);
+                .append(taskInstance.getId()).append(Constants.UNDERLINE)
+                .append(taskInstance.getWorkerGroup());
 
-        if(taskWorkerGroupId > 0){
+        /*if(StringUtils.isNotBlank(taskWorkerGroup)){
             //not to find data from db
             WorkerGroup workerGroup = queryWorkerGroupById(taskWorkerGroupId);
             if(workerGroup == null ){
@@ -1012,8 +1013,7 @@ public class ProcessService {
             sb.append(ipSb);
         }else{
             sb.append(Constants.DEFAULT_WORKER_ID);
-        }
+        }*/
-
 
         return  sb.toString();
     }
@@ -1689,24 +1689,24 @@ public class ProcessService {
     }
 
     /**
-     * get task worker group id
+     * get task worker group
      * @param taskInstance taskInstance
      * @return workerGroupId
      */
-    public int getTaskWorkerGroupId(TaskInstance taskInstance) {
+    public String getTaskWorkerGroup(TaskInstance taskInstance) {
-        int taskWorkerGroupId = taskInstance.getWorkerGroupId();
+        String workerGroup = taskInstance.getWorkerGroup();
 
-        if(taskWorkerGroupId > 0){
+        if(StringUtils.isNotBlank(workerGroup)){
-            return taskWorkerGroupId;
+            return workerGroup;
         }
         int processInstanceId = taskInstance.getProcessInstanceId();
         ProcessInstance processInstance = findProcessInstanceById(processInstanceId);
 
         if(processInstance != null){
-            return processInstance.getWorkerGroupId();
+            return processInstance.getWorkerGroup();
         }
-        logger.info("task : {} will use default worker group id", taskInstance.getId());
+        logger.info("task : {} will use default worker group", taskInstance.getId());
-        return Constants.DEFAULT_WORKER_ID;
+        return Constants.DEFAULT_WORKER_GROUP;
     }
 
     /**

dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/quartz/ProcessScheduleJob.java

@@ -98,7 +98,7 @@ public class ProcessScheduleJob implements Job {
         command.setScheduleTime(scheduledFireTime);
         command.setStartTime(fireTime);
         command.setWarningGroupId(schedule.getWarningGroupId());
-        command.setWorkerGroupId(schedule.getWorkerGroupId());
+        command.setWorkerGroup(schedule.getWorkerGroup());
         command.setWarningType(schedule.getWarningType());
         command.setProcessInstancePriority(schedule.getProcessInstancePriority());
 

sql/upgrade/1.2.2_schema/postgresql/dolphinscheduler_ddl.sql

@@ -32,3 +32,67 @@ delimiter ;
 SELECT uc_dolphin_T_t_ds_process_definition_A_modify_by();
 DROP FUNCTION IF EXISTS uc_dolphin_T_t_ds_process_definition_A_modify_by();
 
+-- ac_dolphin_T_t_ds_process_instance_A_worker_group
+delimiter ;
+DROP FUNCTION IF EXISTS ac_dolphin_T_t_ds_process_instance_A_worker_group();
+delimiter d//
+CREATE FUNCTION ac_dolphin_T_t_ds_process_instance_A_worker_group() RETURNS void AS $$
+BEGIN
+       IF NOT EXISTS (SELECT 1 FROM information_schema.COLUMNS
+          WHERE TABLE_CATALOG=current_database()
+          AND TABLE_SCHEMA=current_schema()
+          AND TABLE_NAME='t_ds_process_instance'
+          AND COLUMN_NAME ='worker_group')
+      THEN
+         ALTER TABLE t_ds_process_instance ADD COLUMN worker_group varchar(255) DEFAULT null;
+       END IF;
+END;
+$$ LANGUAGE plpgsql;
+d//
+delimiter ;
+select ac_dolphin_T_t_ds_process_instance_A_worker_group();
+DROP FUNCTION ac_dolphin_T_t_ds_process_instance_A_worker_group();
+
+
+-- ac_dolphin_T_t_ds_task_instance_A_worker_group
+delimiter ;
+DROP FUNCTION IF EXISTS ac_dolphin_T_t_ds_task_instance_A_worker_group();
+delimiter d//
+CREATE FUNCTION ac_dolphin_T_t_ds_task_instance_A_worker_group() RETURNS void AS $$
+BEGIN
+       IF NOT EXISTS (SELECT 1 FROM information_schema.COLUMNS
+          WHERE TABLE_CATALOG=current_database()
+          AND TABLE_SCHEMA=current_schema()
+          AND TABLE_NAME='t_ds_task_instance'
+          AND COLUMN_NAME ='worker_group')
+      THEN
+         ALTER TABLE t_ds_task_instance ADD COLUMN worker_group varchar(255) DEFAULT null;
+       END IF;
+END;
+$$ LANGUAGE plpgsql;
+d//
+delimiter ;
+select ac_dolphin_T_t_ds_task_instance_A_worker_group();
+DROP FUNCTION ac_dolphin_T_t_ds_task_instance_A_worker_group();
+
+-- ac_dolphin_T_t_ds_process_instance_A_worker_group
+delimiter ;
+DROP FUNCTION IF EXISTS ac_dolphin_T_t_ds_process_instance_A_worker_group();
+delimiter d//
+CREATE FUNCTION ac_dolphin_T_t_ds_schedules_A_worker_group() RETURNS void AS $$
+BEGIN
+       IF NOT EXISTS (SELECT 1 FROM information_schema.COLUMNS
+          WHERE TABLE_CATALOG=current_database()
+          AND TABLE_SCHEMA=current_schema()
+          AND TABLE_NAME='t_ds_schedules'
+          AND COLUMN_NAME ='worker_group')
+      THEN
+         ALTER TABLE t_ds_schedules ADD COLUMN worker_group varchar(255) DEFAULT null;
+       END IF;
+END;
+$$ LANGUAGE plpgsql;
+d//
+delimiter ;
+select ac_dolphin_T_t_ds_schedules_A_worker_group();
+DROP FUNCTION ac_dolphin_T_t_ds_schedules_A_worker_group();
+