feat: add node disconnection handling and update task statuses accordingly

core/constants/task.go

@@ -1,13 +1,14 @@
 package constants
 
 const (
-	TaskStatusPending   = "pending"
-	TaskStatusAssigned  = "assigned"
-	TaskStatusRunning   = "running"
-	TaskStatusFinished  = "finished"
-	TaskStatusError     = "error"
-	TaskStatusCancelled = "cancelled"
-	TaskStatusAbnormal  = "abnormal"
+	TaskStatusPending          = "pending"
+	TaskStatusAssigned         = "assigned"
+	TaskStatusRunning          = "running"
+	TaskStatusFinished         = "finished"
+	TaskStatusError            = "error"
+	TaskStatusCancelled        = "cancelled"
+	TaskStatusAbnormal         = "abnormal"
+	TaskStatusNodeDisconnected = "node_disconnected"
 )
 
 const (

core/node/service/master_service.go

@@ -28,13 +28,15 @@ import (
 
 type MasterService struct {
 	// dependencies
-	cfgSvc           interfaces.NodeConfigService
-	server           *server.GrpcServer
-	taskSchedulerSvc *scheduler.Service
-	taskHandlerSvc   *handler.Service
-	scheduleSvc      *schedule.Service
-	systemSvc        *system.Service
-	healthSvc        *HealthService
+	cfgSvc                interfaces.NodeConfigService
+	server                *server.GrpcServer
+	taskSchedulerSvc      *scheduler.Service
+	taskHandlerSvc        *handler.Service
+	scheduleSvc           *schedule.Service
+	systemSvc             *system.Service
+	healthSvc             *HealthService
+	nodeMonitoringSvc     *NodeMonitoringService
+	taskReconciliationSvc *TaskReconciliationService
 
 	// settings
 	monitorInterval time.Duration
@@ -55,9 +57,9 @@ func (svc *MasterService) Start() {
 	// start health service
 	go svc.healthSvc.Start(func() bool {
 		// Master-specific health check: verify gRPC server and core services are running
-		return svc.server != nil && 
-			svc.taskSchedulerSvc != nil && 
-			svc.taskHandlerSvc != nil && 
+		return svc.server != nil &&
+			svc.taskSchedulerSvc != nil &&
+			svc.taskHandlerSvc != nil &&
 			svc.scheduleSvc != nil
 	})
 
@@ -165,15 +167,21 @@ func (svc *MasterService) Register() (err error) {
 
 func (svc *MasterService) monitor() (err error) {
 	// update master node status in db
-	if err := svc.updateMasterNodeStatus(); err != nil {
+	oldStatus, newStatus, err := svc.nodeMonitoringSvc.UpdateMasterNodeStatus()
+	if err != nil {
 		if errors.Is(err, mongo2.ErrNoDocuments) {
 			return nil
 		}
 		return err
 	}
 
+	// send notification if status changed
+	if utils.IsPro() && oldStatus != newStatus {
+		go svc.sendMasterStatusNotification(oldStatus, newStatus)
+	}
+
 	// all worker nodes
-	workerNodes, err := svc.getAllWorkerNodes()
+	workerNodes, err := svc.nodeMonitoringSvc.GetAllWorkerNodes()
 	if err != nil {
 		return err
 	}
@@ -199,8 +207,11 @@ func (svc *MasterService) monitor() (err error) {
 				return
 			}
 
+			// handle reconnection - reconcile disconnected tasks
+			go svc.taskReconciliationSvc.HandleNodeReconnection(n)
+
 			// update node available runners
-			_ = svc.updateNodeRunners(n)
+			_ = svc.nodeMonitoringSvc.UpdateNodeRunners(n)
 		}(&n)
 	}
 
@@ -209,49 +220,6 @@ func (svc *MasterService) monitor() (err error) {
 	return nil
 }
 
-func (svc *MasterService) getAllWorkerNodes() (nodes []models.Node, err error) {
-	query := bson.M{
-		"key":    bson.M{"$ne": svc.cfgSvc.GetNodeKey()}, // not self
-		"active": true,                                   // active
-	}
-	nodes, err = service.NewModelService[models.Node]().GetMany(query, nil)
-	if err != nil {
-		if errors.Is(err, mongo2.ErrNoDocuments) {
-			return nil, nil
-		}
-		svc.Errorf("get all worker nodes error: %v", err)
-		return nil, err
-	}
-	return nodes, nil
-}
-
-func (svc *MasterService) updateMasterNodeStatus() (err error) {
-	nodeKey := svc.cfgSvc.GetNodeKey()
-	node, err := service.NewModelService[models.Node]().GetOne(bson.M{"key": nodeKey}, nil)
-	if err != nil {
-		return err
-	}
-	oldStatus := node.Status
-
-	node.Status = constants.NodeStatusOnline
-	node.Active = true
-	node.ActiveAt = time.Now()
-	newStatus := node.Status
-
-	err = service.NewModelService[models.Node]().ReplaceById(node.Id, *node)
-	if err != nil {
-		return err
-	}
-
-	if utils.IsPro() {
-		if oldStatus != newStatus {
-			go svc.sendNotification(node)
-		}
-	}
-
-	return nil
-}
-
 func (svc *MasterService) setWorkerNodeOffline(node *models.Node) {
 	node.Status = constants.NodeStatusOffline
 	node.Active = false
@@ -261,6 +229,10 @@ func (svc *MasterService) setWorkerNodeOffline(node *models.Node) {
 	if err != nil {
 		log.Errorf("failed to set worker node[%s] offline: %v", node.Key, err)
 	}
+
+	// Update running tasks on the offline node to abnormal status
+	svc.taskReconciliationSvc.HandleTasksForOfflineNode(node)
+
 	svc.sendNotification(node)
 }
 
@@ -285,25 +257,6 @@ func (svc *MasterService) pingNodeClient(n *models.Node) (ok bool) {
 	return true
 }
 
-func (svc *MasterService) updateNodeRunners(node *models.Node) (err error) {
-	query := bson.M{
-		"node_id": node.Id,
-		"status":  constants.TaskStatusRunning,
-	}
-	runningTasksCount, err := service.NewModelService[models.Task]().Count(query)
-	if err != nil {
-		svc.Errorf("failed to count running tasks for node[%s]: %v", node.Key, err)
-		return err
-	}
-	node.CurrentRunners = runningTasksCount
-	err = service.NewModelService[models.Node]().ReplaceById(node.Id, *node)
-	if err != nil {
-		svc.Errorf("failed to update node runners for node[%s]: %v", node.Key, err)
-		return err
-	}
-	return nil
-}
-
 func (svc *MasterService) sendNotification(node *models.Node) {
 	if !utils.IsPro() {
 		return
@@ -311,17 +264,35 @@ func (svc *MasterService) sendNotification(node *models.Node) {
 	go notification.GetNotificationService().SendNodeNotification(node)
 }
 
+func (svc *MasterService) sendMasterStatusNotification(oldStatus, newStatus string) {
+	if !utils.IsPro() {
+		return
+	}
+	nodeKey := svc.cfgSvc.GetNodeKey()
+	node, err := service.NewModelService[models.Node]().GetOne(bson.M{"key": nodeKey}, nil)
+	if err != nil {
+		svc.Errorf("failed to get master node for notification: %v", err)
+		return
+	}
+	go notification.GetNotificationService().SendNodeNotification(node)
+}
+
 func newMasterService() *MasterService {
+	cfgSvc := config.GetNodeConfigService()
+	server := server.GetGrpcServer()
+
 	return &MasterService{
-		cfgSvc:           config.GetNodeConfigService(),
-		monitorInterval:  15 * time.Second,
-		server:           server.GetGrpcServer(),
-		taskSchedulerSvc: scheduler.GetTaskSchedulerService(),
-		taskHandlerSvc:   handler.GetTaskHandlerService(),
-		scheduleSvc:      schedule.GetScheduleService(),
-		systemSvc:        system.GetSystemService(),
-		healthSvc:        GetHealthService(),
-		Logger:           utils.NewLogger("MasterService"),
+		cfgSvc:                cfgSvc,
+		monitorInterval:       15 * time.Second,
+		server:                server,
+		taskSchedulerSvc:      scheduler.GetTaskSchedulerService(),
+		taskHandlerSvc:        handler.GetTaskHandlerService(),
+		scheduleSvc:           schedule.GetScheduleService(),
+		systemSvc:             system.GetSystemService(),
+		healthSvc:             GetHealthService(),
+		nodeMonitoringSvc:     NewNodeMonitoringService(cfgSvc),
+		taskReconciliationSvc: NewTaskReconciliationService(server),
+		Logger:                utils.NewLogger("MasterService"),
 	}
 }
 

core/node/service/node_monitoring_service.go

@@ -0,0 +1,98 @@
+package service
+
+import (
+	"errors"
+	"sync"
+	"time"
+
+	"github.com/crawlab-team/crawlab/core/constants"
+	"github.com/crawlab-team/crawlab/core/interfaces"
+	"github.com/crawlab-team/crawlab/core/models/models"
+	"github.com/crawlab-team/crawlab/core/models/service"
+	"github.com/crawlab-team/crawlab/core/utils"
+	"go.mongodb.org/mongo-driver/bson"
+	mongo2 "go.mongodb.org/mongo-driver/mongo"
+)
+
+// NodeMonitoringService handles monitoring of worker nodes
+type NodeMonitoringService struct {
+	cfgSvc interfaces.NodeConfigService
+	interfaces.Logger
+}
+
+// GetAllWorkerNodes returns all active worker nodes (excluding the master node)
+func (svc *NodeMonitoringService) GetAllWorkerNodes() (nodes []models.Node, err error) {
+	query := bson.M{
+		"key":    bson.M{"$ne": svc.cfgSvc.GetNodeKey()}, // not self
+		"active": true,                                   // active
+	}
+	nodes, err = service.NewModelService[models.Node]().GetMany(query, nil)
+	if err != nil {
+		if errors.Is(err, mongo2.ErrNoDocuments) {
+			return nil, nil
+		}
+		svc.Errorf("get all worker nodes error: %v", err)
+		return nil, err
+	}
+	return nodes, nil
+}
+
+// UpdateMasterNodeStatus updates the master node status in the database
+func (svc *NodeMonitoringService) UpdateMasterNodeStatus() (oldStatus, newStatus string, err error) {
+	nodeKey := svc.cfgSvc.GetNodeKey()
+	node, err := service.NewModelService[models.Node]().GetOne(bson.M{"key": nodeKey}, nil)
+	if err != nil {
+		return "", "", err
+	}
+	oldStatus = node.Status
+
+	node.Status = constants.NodeStatusOnline
+	node.Active = true
+	node.ActiveAt = time.Now()
+	newStatus = node.Status
+
+	err = service.NewModelService[models.Node]().ReplaceById(node.Id, *node)
+	if err != nil {
+		return oldStatus, newStatus, err
+	}
+
+	return oldStatus, newStatus, nil
+}
+
+// UpdateNodeRunners updates the current runners count for a specific node
+func (svc *NodeMonitoringService) UpdateNodeRunners(node *models.Node) (err error) {
+	query := bson.M{
+		"node_id": node.Id,
+		"status":  constants.TaskStatusRunning,
+	}
+	runningTasksCount, err := service.NewModelService[models.Task]().Count(query)
+	if err != nil {
+		svc.Errorf("failed to count running tasks for node[%s]: %v", node.Key, err)
+		return err
+	}
+	node.CurrentRunners = runningTasksCount
+	err = service.NewModelService[models.Node]().ReplaceById(node.Id, *node)
+	if err != nil {
+		svc.Errorf("failed to update node runners for node[%s]: %v", node.Key, err)
+		return err
+	}
+	return nil
+}
+
+func NewNodeMonitoringService(cfgSvc interfaces.NodeConfigService) *NodeMonitoringService {
+	return &NodeMonitoringService{
+		cfgSvc: cfgSvc,
+		Logger: utils.NewLogger("NodeMonitoringService"),
+	}
+}
+
+// Singleton pattern
+var nodeMonitoringService *NodeMonitoringService
+var nodeMonitoringServiceOnce sync.Once
+
+func GetNodeMonitoringService() *NodeMonitoringService {
+	nodeMonitoringServiceOnce.Do(func() {
+		nodeMonitoringService = NewNodeMonitoringService(nil) // Will be set by the master service
+	})
+	return nodeMonitoringService
+}

core/node/service/task_reconciliation_service.go

@@ -0,0 +1,258 @@
+package service
+
+import (
+	"context"
+	"sync"
+	"time"
+
+	"github.com/cenkalti/backoff/v4"
+	"github.com/crawlab-team/crawlab/core/constants"
+	"github.com/crawlab-team/crawlab/core/grpc/server"
+	"github.com/crawlab-team/crawlab/core/interfaces"
+	"github.com/crawlab-team/crawlab/core/models/models"
+	"github.com/crawlab-team/crawlab/core/models/service"
+	"github.com/crawlab-team/crawlab/core/utils"
+	"github.com/crawlab-team/crawlab/grpc"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// TaskReconciliationService handles task status reconciliation for node disconnection scenarios
+type TaskReconciliationService struct {
+	server *server.GrpcServer
+	interfaces.Logger
+}
+
+// HandleTasksForOfflineNode updates all running tasks on an offline node to abnormal status
+func (svc *TaskReconciliationService) HandleTasksForOfflineNode(node *models.Node) {
+	// Find all running tasks on the offline node
+	query := bson.M{
+		"node_id": node.Id,
+		"status":  constants.TaskStatusRunning,
+	}
+
+	runningTasks, err := service.NewModelService[models.Task]().GetMany(query, nil)
+	if err != nil {
+		svc.Errorf("failed to get running tasks for offline node[%s]: %v", node.Key, err)
+		return
+	}
+
+	if len(runningTasks) == 0 {
+		svc.Debugf("no running tasks found for offline node[%s]", node.Key)
+		return
+	}
+
+	svc.Infof("updating %d running tasks to abnormal status for offline node[%s]", len(runningTasks), node.Key)
+
+	// Update each task status to node_disconnected (recoverable)
+	for _, task := range runningTasks {
+		task.Status = constants.TaskStatusNodeDisconnected
+		task.Error = "Task temporarily disconnected due to worker node offline"
+
+		// Update the task in database
+		err := backoff.Retry(func() error {
+			return service.NewModelService[models.Task]().ReplaceById(task.Id, task)
+		}, backoff.WithMaxRetries(backoff.NewConstantBackOff(500*time.Millisecond), 3))
+
+		if err != nil {
+			svc.Errorf("failed to update task[%s] status for offline node[%s]: %v", task.Id.Hex(), node.Key, err)
+		} else {
+			svc.Debugf("updated task[%s] status to abnormal for offline node[%s]", task.Id.Hex(), node.Key)
+		}
+	}
+}
+
+// HandleNodeReconnection reconciles tasks that were marked as disconnected when the node comes back online
+func (svc *TaskReconciliationService) HandleNodeReconnection(node *models.Node) {
+	// Find all disconnected tasks on this node
+	query := bson.M{
+		"node_id": node.Id,
+		"status":  constants.TaskStatusNodeDisconnected,
+	}
+
+	disconnectedTasks, err := service.NewModelService[models.Task]().GetMany(query, nil)
+	if err != nil {
+		svc.Errorf("failed to get disconnected tasks for reconnected node[%s]: %v", node.Key, err)
+		return
+	}
+
+	if len(disconnectedTasks) == 0 {
+		svc.Debugf("no disconnected tasks found for reconnected node[%s]", node.Key)
+		return
+	}
+
+	svc.Infof("reconciling %d disconnected tasks for reconnected node[%s]", len(disconnectedTasks), node.Key)
+
+	// For each disconnected task, try to get its actual status from the worker node
+	for _, task := range disconnectedTasks {
+		actualStatus, err := svc.GetActualTaskStatusFromWorker(node, &task)
+		if err != nil {
+			svc.Warnf("failed to get actual status for task[%s] from reconnected node[%s]: %v", task.Id.Hex(), node.Key, err)
+			// If we can't determine the actual status, mark as abnormal after reconnection failure
+			task.Status = constants.TaskStatusAbnormal
+			task.Error = "Could not reconcile task status after node reconnection"
+		} else {
+			// Update with actual status from worker
+			task.Status = actualStatus
+			switch actualStatus {
+			case constants.TaskStatusFinished:
+				task.Error = "" // Clear error message for successfully completed tasks
+			case constants.TaskStatusError:
+				task.Error = "Task encountered an error during node disconnection"
+			}
+		}
+
+		// Update the task in database
+		err = backoff.Retry(func() error {
+			return service.NewModelService[models.Task]().ReplaceById(task.Id, task)
+		}, backoff.WithMaxRetries(backoff.NewConstantBackOff(500*time.Millisecond), 3))
+
+		if err != nil {
+			svc.Errorf("failed to update reconciled task[%s] status for node[%s]: %v", task.Id.Hex(), node.Key, err)
+		} else {
+			svc.Infof("reconciled task[%s] status from 'node_disconnected' to '%s' for node[%s]", task.Id.Hex(), task.Status, node.Key)
+		}
+	}
+}
+
+// GetActualTaskStatusFromWorker queries the worker node to get the actual status of a task
+func (svc *TaskReconciliationService) GetActualTaskStatusFromWorker(node *models.Node, task *models.Task) (status string, err error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	// Check if there's an active stream for this task
+	_, hasActiveStream := svc.server.TaskSvr.GetSubscribeStream(task.Id)
+
+	// Check if the node is still connected via subscription
+	nodeStream, nodeConnected := svc.server.NodeSvr.GetSubscribeStream(node.Id)
+	if !nodeConnected {
+		svc.Warnf("node[%s] is not connected, using fallback detection for task[%s]", node.Key, task.Id.Hex())
+		return svc.inferTaskStatusFromStream(task.Id, hasActiveStream), nil
+	}
+
+	// Try to get more accurate status by checking recent task activity
+	actualStatus, err := svc.detectTaskStatusFromActivity(task, hasActiveStream)
+	if err != nil {
+		svc.Warnf("failed to detect task status from activity for task[%s]: %v", task.Id.Hex(), err)
+		return svc.inferTaskStatusFromStream(task.Id, hasActiveStream), nil
+	}
+
+	// Ping the node to verify it's responsive
+	if nodeStream != nil {
+		select {
+		case <-ctx.Done():
+			svc.Warnf("timeout while pinging node[%s] for task[%s]", node.Key, task.Id.Hex())
+			return svc.inferTaskStatusFromStream(task.Id, hasActiveStream), nil
+		default:
+			// Send a heartbeat to verify node responsiveness
+			err := nodeStream.Send(&grpc.NodeServiceSubscribeResponse{
+				Code: grpc.NodeServiceSubscribeCode_HEARTBEAT,
+			})
+			if err != nil {
+				svc.Warnf("failed to ping node[%s] for task status check: %v", node.Key, err)
+				return svc.inferTaskStatusFromStream(task.Id, hasActiveStream), nil
+			}
+		}
+	}
+
+	return actualStatus, nil
+}
+
+// detectTaskStatusFromActivity analyzes task activity to determine its actual status
+func (svc *TaskReconciliationService) detectTaskStatusFromActivity(task *models.Task, hasActiveStream bool) (string, error) {
+	// Check if task has been updated recently (within last 30 seconds)
+	if time.Since(task.UpdatedAt) < 30*time.Second {
+		// Task was recently updated, likely still active
+		if hasActiveStream {
+			return constants.TaskStatusRunning, nil
+		}
+		// Recently updated but no stream - check if it finished
+		return svc.checkTaskCompletion(task), nil
+	}
+
+	// Task hasn't been updated recently
+	if !hasActiveStream {
+		// No stream and no recent activity - likely finished or failed
+		return svc.checkTaskCompletion(task), nil
+	}
+
+	// Has stream but no recent updates - might be stuck
+	return constants.TaskStatusRunning, nil
+}
+
+// checkTaskCompletion determines if a task completed successfully or failed
+func (svc *TaskReconciliationService) checkTaskCompletion(task *models.Task) string {
+	// Refresh task from database to get latest status
+	latestTask, err := service.NewModelService[models.Task]().GetById(task.Id)
+	if err != nil {
+		svc.Warnf("failed to refresh task[%s] from database: %v", task.Id.Hex(), err)
+		return constants.TaskStatusError
+	}
+
+	// If task status was already updated to a final state, return that
+	switch latestTask.Status {
+	case constants.TaskStatusFinished, constants.TaskStatusError, constants.TaskStatusCancelled:
+		return latestTask.Status
+	case constants.TaskStatusRunning:
+		// Task still shows as running but has no active stream - likely finished
+		if latestTask.Error != "" {
+			return constants.TaskStatusError
+		}
+		return constants.TaskStatusFinished
+	default:
+		// Unknown or intermediate status
+		return constants.TaskStatusError
+	}
+}
+
+// inferTaskStatusFromStream provides a fallback status inference based on stream presence
+func (svc *TaskReconciliationService) inferTaskStatusFromStream(taskId primitive.ObjectID, hasActiveStream bool) string {
+	if !hasActiveStream {
+		// No active stream could mean:
+		// 1. Task finished successfully
+		// 2. Task failed and stream was closed
+		// 3. Worker disconnected ungracefully
+		//
+		// To determine which, we should check the task in the database
+		task, err := service.NewModelService[models.Task]().GetById(taskId)
+		if err != nil {
+			// If we can't find the task, assume it's in an error state
+			return constants.TaskStatusError
+		}
+
+		// If the task was last seen running and now has no stream,
+		// it likely finished or errored
+		switch task.Status {
+		case constants.TaskStatusRunning:
+			// Task was running but stream is gone - likely finished
+			return constants.TaskStatusFinished
+		case constants.TaskStatusPending, constants.TaskStatusAssigned:
+			// Task never started running - likely error
+			return constants.TaskStatusError
+		default:
+			// Return the last known status
+			return task.Status
+		}
+	}
+
+	// Stream exists, so task is likely still running
+	return constants.TaskStatusRunning
+}
+
+func NewTaskReconciliationService(server *server.GrpcServer) *TaskReconciliationService {
+	return &TaskReconciliationService{
+		server: server,
+		Logger: utils.NewLogger("TaskReconciliationService"),
+	}
+}
+
+// Singleton pattern
+var taskReconciliationService *TaskReconciliationService
+var taskReconciliationServiceOnce sync.Once
+
+func GetTaskReconciliationService() *TaskReconciliationService {
+	taskReconciliationServiceOnce.Do(func() {
+		taskReconciliationService = NewTaskReconciliationService(nil) // Will be set by the master service
+	})
+	return taskReconciliationService
+}

frontend/crawlab-ui/src/components/core/task/TaskStatus.vue

@@ -6,6 +6,7 @@ import {
   TASK_STATUS_CANCELLED,
   TASK_STATUS_ERROR,
   TASK_STATUS_FINISHED,
+  TASK_STATUS_NODE_DISCONNECTED,
   TASK_STATUS_PENDING,
   TASK_STATUS_RUNNING,
 } from '@/constants/task';
@@ -81,6 +82,14 @@ const data = computed<TagProps>(() => {
         type: 'info',
         icon: ['fa', 'exclamation'],
       };
+    case TASK_STATUS_NODE_DISCONNECTED:
+      return {
+        label: t('components.task.status.label.nodeDisconnected'),
+        tooltip: t('components.task.status.tooltip.nodeDisconnected'),
+        type: 'warning',
+        icon: ['fa', 'unlink'],
+        spinning: true,
+      };
     default:
       return {
         label: t('components.task.status.label.unknown'),

frontend/crawlab-ui/src/constants/task.ts

@@ -5,6 +5,7 @@ export const TASK_STATUS_FINISHED = 'finished';
 export const TASK_STATUS_ERROR = 'error';
 export const TASK_STATUS_CANCELLED = 'cancelled';
 export const TASK_STATUS_ABNORMAL = 'abnormal';
+export const TASK_STATUS_NODE_DISCONNECTED = 'node_disconnected';
 
 export const TASK_MODE_RANDOM = 'random';
 export const TASK_MODE_ALL_NODES = 'all-nodes';

frontend/crawlab-ui/src/i18n/lang/en/components/task.ts

@@ -38,6 +38,7 @@ const task: LComponentsTask = {
       error: 'Error',
       cancelled: 'Cancelled',
       abnormal: 'Abnormal',
+      nodeDisconnected: 'Node Disconnected',
       unknown: 'Unknown',
     },
     tooltip: {
@@ -48,6 +49,7 @@ const task: LComponentsTask = {
       error: 'Task ended with an error:',
       cancelled: 'Task has been cancelled',
       abnormal: 'Task ended abnormally',
+      nodeDisconnected: 'Task temporarily disconnected due to worker node offline',
       unknown: 'Unknown task status',
     },
   },

frontend/crawlab-ui/src/i18n/lang/zh/components/task.ts

@@ -38,6 +38,7 @@ const task: LComponentsTask = {
       error: '错误',
       cancelled: '已取消',
       abnormal: '异常',
+      nodeDisconnected: '节点断开',
       unknown: '未知',
     },
     tooltip: {
@@ -48,6 +49,7 @@ const task: LComponentsTask = {
       error: '任务发生错误:',
       cancelled: '任务已被取消',
       abnormal: '任务异常终止',
+      nodeDisconnected: '任务因工作节点离线而临时断开',
       unknown: '未知任务状态',
     },
   },

frontend/crawlab-ui/src/interfaces/i18n/components/task.d.ts

@@ -38,6 +38,7 @@ interface LComponentsTask {
       error: string;
       cancelled: string;
       abnormal: string;
+      nodeDisconnected: string;
       unknown: string;
     };
     tooltip: {
@@ -48,6 +49,7 @@ interface LComponentsTask {
       error: string;
       cancelled: string;
       abnormal: string;
+      nodeDisconnected: string;
       unknown: string;
     };
   };

frontend/crawlab-ui/src/interfaces/views/task.d.ts

@@ -50,6 +50,7 @@ export declare global {
     | 'cancelled'
     | 'error'
     | 'finished'
+    | 'node_disconnected'
     | 'running'
     | 'assigned'
     | 'pending';

frontend/crawlab-ui/src/utils/task.ts

@@ -7,6 +7,7 @@ import {
   TASK_STATUS_CANCELLED,
   TASK_STATUS_ERROR,
   TASK_STATUS_FINISHED,
+  TASK_STATUS_NODE_DISCONNECTED,
   TASK_STATUS_PENDING,
   TASK_STATUS_RUNNING,
 } from '@/constants/task';
@@ -117,6 +118,10 @@ export const getStatusOptions = (): SelectOption[] => {
       label: t('components.task.status.label.abnormal'),
       value: TASK_STATUS_ABNORMAL,
     },
+    {
+      label: t('components.task.status.label.nodeDisconnected'),
+      value: TASK_STATUS_NODE_DISCONNECTED,
+    },
   ];
 };