feat: add random delay

agent/agent.go

@@ -52,6 +52,7 @@ type AgentTask struct {
 	WorkDir   string              `json:"work_dir"`
 	Envs      string              `json:"envs"`
 	Languages   []map[string]string `json:"languages"`
+	RandomRange int                 `json:"random_range"`
 	Enabled     bool                `json:"enabled"`
 }
 
@@ -98,6 +99,10 @@ func (t *AgentTask) GetSchedule() string {
 	return t.Cron
 }
 
+func (t *AgentTask) GetRandomRange() int {
+	return t.RandomRange
+}
+
 type TaskResult struct {
 	TaskID    uint   `json:"task_id"`
 	LogID     uint   `json:"log_id"`
@@ -674,7 +679,8 @@ func (a *Agent) updateTasks(tasks []AgentTask) {
 		oldTask, exists := a.tasks[id]
 		if !exists || oldTask.Schedule != task.Schedule || oldTask.Command != task.Command ||
 			oldTask.Enabled != task.Enabled || oldTask.Timeout != task.Timeout ||
-			oldTask.WorkDir != task.WorkDir || oldTask.Envs != task.Envs {
+			oldTask.WorkDir != task.WorkDir || oldTask.Envs != task.Envs ||
+			oldTask.RandomRange != task.RandomRange {
 			if task.Enabled {
 				err := a.cronManager.AddTask(task)
 				if err != nil {

internal/controllers/task_controller.go

@@ -67,6 +67,7 @@ func (tc *TaskController) CreateTask(c *gin.Context) {
 		TriggerType   string              `json:"trigger_type"`
 		RetryCount    int                 `json:"retry_count"`
 		RetryInterval int                 `json:"retry_interval"`
+		RandomRange   int                 `json:"random_range"`
 	}
 
 	if err := c.ShouldBindJSON(&req); err != nil {
@@ -93,7 +94,7 @@ func (tc *TaskController) CreateTask(c *gin.Context) {
 		workDir = resolveWorkDir(req.WorkDir)
 	}
 
-	task := tc.taskService.CreateTask(req.Name, req.Command, req.Schedule, req.Timeout, workDir, req.CleanConfig, req.Envs, req.Type, req.Config, req.AgentID, req.Languages, req.TriggerType, req.Tags, req.RetryCount, req.RetryInterval)
+	task := tc.taskService.CreateTask(req.Name, req.Command, req.Schedule, req.Timeout, workDir, req.CleanConfig, req.Envs, req.Type, req.Config, req.AgentID, req.Languages, req.TriggerType, req.Tags, req.RetryCount, req.RetryInterval, req.RandomRange)
 
 	// 如果是 Agent 任务，通知 Agent；否则添加到本地 cron
 	if task.AgentID != nil && *task.AgentID > 0 {
@@ -172,6 +173,7 @@ func (tc *TaskController) UpdateTask(c *gin.Context) {
 		TriggerType   string              `json:"trigger_type"`
 		RetryCount    int                 `json:"retry_count"`
 		RetryInterval int                 `json:"retry_interval"`
+		RandomRange   int                 `json:"random_range"`
 	}
 
 	if err := c.ShouldBindJSON(&req); err != nil {
@@ -192,7 +194,7 @@ func (tc *TaskController) UpdateTask(c *gin.Context) {
 		workDir = resolveWorkDir(req.WorkDir)
 	}
 
-	task := tc.taskService.UpdateTask(id, req.Name, req.Command, req.Schedule, req.Timeout, workDir, req.CleanConfig, req.Envs, req.Enabled, req.Type, req.Config, req.AgentID, req.Languages, req.TriggerType, req.Tags, req.RetryCount, req.RetryInterval)
+	task := tc.taskService.UpdateTask(id, req.Name, req.Command, req.Schedule, req.Timeout, workDir, req.CleanConfig, req.Envs, req.Enabled, req.Type, req.Config, req.AgentID, req.Languages, req.TriggerType, req.Tags, req.RetryCount, req.RetryInterval, req.RandomRange)
 	if task == nil {
 		utils.NotFound(c, "任务不存在")
 		return

internal/executor/cron.go

@@ -1,7 +1,9 @@
 package executor
 
 import (
+	"math/rand"
 	"sync"
+	"time"
 
 	"github.com/engigu/baihu-panel/internal/systime"
 
@@ -87,9 +89,10 @@ func (m *CronManager) AddTask(task CronTask) error {
 				m.logger.Errorf("[CronManager] 任务 #%s 执行过程中发生 Panic: %v", taskID, r)
 			}
 		}()
-		m.logger.Infof("[CronManager] 触发计划任务 #%s (%s)", taskID, name)
 
-		req := &ExecutionRequest{
+		// 构造执行请求的 Builder
+		reqBuilder := func() *ExecutionRequest {
+			return &ExecutionRequest{
 				TaskID:    taskID,
 				Name:      name,
 				Command:   cmd,
@@ -100,14 +103,26 @@ func (m *CronManager) AddTask(task CronTask) error {
 				Languages: languages,
 				UseMise:   useMise,
 			}
+		}
 
-		// 如果有关联的 Scheduler，加入队列执行
+		randomRange := task.GetRandomRange()
+		if randomRange > 0 && m.scheduler != nil {
+			// 生成 0 到 randomRange 之间的随机秒数
+			delaySeconds := rand.Intn(randomRange)
+			delay := time.Duration(delaySeconds) * time.Second
+			m.logger.Infof("[CronManager] 任务 #%s 将随机延迟 %v (范围: %ds) 后入队执行", taskID, delay, randomRange)
+
+			// 使用调度器的延时投递功能，不阻塞当前 Cron 协程
+			m.scheduler.EnqueueDelayed(delay, reqBuilder)
+		} else {
+			m.logger.Infof("[CronManager] 触发计划任务 #%s (%s)", taskID, name)
 			if m.scheduler != nil {
-			m.scheduler.EnqueueOrExecute(req)
+				m.scheduler.EnqueueOrExecute(reqBuilder())
+			}
 		}
 
 		// 触发下次运行时间更新事件
-		m.triggerNextRunEvent(taskID, req)
+		m.triggerNextRunEvent(taskID, &ExecutionRequest{TaskID: taskID})
 	})
 
 	if err != nil {

internal/executor/executor.go

@@ -32,6 +32,7 @@ type CronTask interface {
 	Task
 	GetSchedule() string
 	UseMise() bool
+	GetRandomRange() int
 }
 
 // Request 任务执行请求

internal/models/agent.go

@@ -1,6 +1,8 @@
 package models
 
 import (
+	"strconv"
+
 	"github.com/engigu/baihu-panel/internal/constant"
 
 	"gorm.io/gorm"
@@ -60,9 +62,30 @@ type AgentTask struct {
 	WorkDir   string              `json:"work_dir"`
 	Envs      string              `json:"envs"`
 	Languages   []map[string]string `json:"languages"`
+	RandomRange int                 `json:"random_range"`
 	Enabled     bool                `json:"enabled"`
 }
 
+func (t AgentTask) GetID() string {
+	return strconv.FormatUint(uint64(t.ID), 10)
+}
+
+func (t AgentTask) GetName() string {
+	return t.Name
+}
+
+func (t AgentTask) GetCommand() string {
+	return t.Command
+}
+
+func (t AgentTask) GetSchedule() string {
+	return t.Schedule
+}
+
+func (t AgentTask) GetRandomRange() int {
+	return t.RandomRange
+}
+
 // AgentTaskResult Agent 上报的任务执行结果
 type AgentTaskResult struct {
 	TaskID    uint   `json:"task_id"`

internal/models/task.go

@@ -50,6 +50,7 @@ type Task struct {
 	AgentID       *uint               `json:"agent_id" gorm:"index"`                      // Agent ID，为空表示本地执行
 	RetryCount    int                 `json:"retry_count" gorm:"default:0"`               // 失败重试次数
 	RetryInterval int                 `json:"retry_interval" gorm:"default:0"`            // 失败重试间隔(秒)
+	RandomRange   int                 `json:"random_range" gorm:"default:0"`             // 随机延迟范围(秒)
 	Enabled       bool                `json:"enabled" gorm:"default:true"`
 	RunningGo     string              `json:"running_go" gorm:"type:text"` // 正在运行的 go routine id 数组 (JSON)
 	LastRun       *LocalTime          `json:"last_run"`
@@ -103,6 +104,10 @@ func (t *Task) GetSchedule() string {
 	return t.Schedule
 }
 
+func (t *Task) GetRandomRange() int {
+	return t.RandomRange
+}
+
 // TaskLog 代表任务执行的日志记录
 type TaskLog struct {
 	ID        uint       `json:"id" gorm:"primaryKey"`

internal/models/vo/task_vo.go

@@ -24,6 +24,7 @@ type TaskVO struct {
 	Enabled       bool                `json:"enabled"`
 	RetryCount    int                 `json:"retry_count"`
 	RetryInterval int                 `json:"retry_interval"`
+	RandomRange   int                 `json:"random_range"`
 	LastRun       *models.LocalTime   `json:"last_run"`
 	NextRun     *models.LocalTime   `json:"next_run"`
 	CreatedAt   models.LocalTime    `json:"created_at"`
@@ -53,6 +54,7 @@ func ToTaskVO(task *models.Task) *TaskVO {
 		Enabled:       task.Enabled,
 		RetryCount:    task.RetryCount,
 		RetryInterval: task.RetryInterval,
+		RandomRange:   task.RandomRange,
 		LastRun:       task.LastRun,
 		NextRun:     task.NextRun,
 		CreatedAt:   task.CreatedAt,

internal/services/agent_service.go

@@ -319,6 +319,7 @@ func (s *AgentService) GetTasks(agentID uint) []models.AgentTask {
 			WorkDir:   task.WorkDir,
 			Envs:        envVarsStr, // 传递 "KEY1=VALUE1,KEY2=VALUE2" 格式
 			Languages:   task.Languages,
+			RandomRange: task.RandomRange,
 			Enabled:     task.Enabled,
 		}
 	}

internal/services/tasks/task_service.go

@@ -12,7 +12,7 @@ func NewTaskService() *TaskService {
 	return &TaskService{}
 }
 
-func (ts *TaskService) CreateTask(name, command, schedule string, timeout int, workDir, cleanConfig, envs, taskType, config string, agentID *uint, languages []map[string]string, triggerType string, tags string, retryCount int, retryInterval int) *models.Task {
+func (ts *TaskService) CreateTask(name, command, schedule string, timeout int, workDir, cleanConfig, envs, taskType, config string, agentID *uint, languages []map[string]string, triggerType string, tags string, retryCount int, retryInterval int, randomRange int) *models.Task {
 	if taskType == "" {
 		taskType = "task"
 	}
@@ -36,6 +36,7 @@ func (ts *TaskService) CreateTask(name, command, schedule string, timeout int, w
 		Enabled:       true,
 		RetryCount:    retryCount,
 		RetryInterval: retryInterval,
+		RandomRange:   randomRange,
 	}
 	if triggerType != constant.TriggerTypeCron {
 		task.NextRun = nil
@@ -83,7 +84,7 @@ func (ts *TaskService) GetTaskByID(id int) *models.Task {
 	return &task
 }
 
-func (ts *TaskService) UpdateTask(id int, name, command, schedule string, timeout int, workDir, cleanConfig, envs string, enabled bool, taskType, config string, agentID *uint, languages []map[string]string, triggerType string, tags string, retryCount int, retryInterval int) *models.Task {
+func (ts *TaskService) UpdateTask(id int, name, command, schedule string, timeout int, workDir, cleanConfig, envs string, enabled bool, taskType, config string, agentID *uint, languages []map[string]string, triggerType string, tags string, retryCount int, retryInterval int, randomRange int) *models.Task {
 	var task models.Task
 	if err := database.DB.First(&task, id).Error; err != nil {
 		return nil
@@ -101,6 +102,7 @@ func (ts *TaskService) UpdateTask(id int, name, command, schedule string, timeou
 	task.Languages = languages
 	task.RetryCount = retryCount
 	task.RetryInterval = retryInterval
+	task.RandomRange = randomRange
 	if taskType != "" {
 		task.Type = taskType
 	}

web/src/api/index.ts

@@ -286,6 +286,7 @@ export interface Task {
   envs: string
   retry_count: number
   retry_interval: number
+  random_range: number
   languages: { name: string; version: string }[]
   agent_id: number | null
   enabled: boolean

web/src/views/tasks/RepoDialog.vue

@@ -327,10 +327,19 @@ async function save() {
           </div>
         </div>
         <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-2 sm:gap-3">
-          <Label class="sm:text-right text-sm">超时/清理</Label>
+          <Label class="sm:text-right text-sm">随机延迟</Label>
+          <div class="sm:col-span-3 flex items-center gap-2">
+            <div class="flex items-center gap-1.5">
+               <Input v-model.number="form.random_range" type="number" :min="0" :step="1" @input="form.random_range = Math.max(0, Math.floor(form.random_range || 0))" placeholder="0" class="w-20 h-9 text-sm" />
+               <span class="text-sm text-muted-foreground whitespace-nowrap">秒</span>
+            </div>
+          </div>
+        </div>
+        <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-2 sm:gap-3">
+          <Label class="sm:text-right text-sm">超时清理</Label>
           <div class="sm:col-span-3 flex flex-wrap items-center gap-2">
             <div class="flex items-center gap-1.5">
-              <Input v-model.number="form.timeout" type="number" placeholder="30" class="w-20 h-9 text-sm" />
+               <Input v-model.number="form.timeout" type="number" :min="0" :step="1" @input="form.timeout = Math.max(0, Math.floor(form.timeout || 0))" placeholder="30" class="w-20 h-9 text-sm" />
               <span class="text-sm text-muted-foreground whitespace-nowrap">分钟</span>
             </div>
             <div class="flex items-center gap-1.5">
@@ -353,12 +362,12 @@ async function save() {
           <Label class="sm:text-right text-sm">失败重试</Label>
           <div class="sm:col-span-3 flex items-center gap-2">
             <div class="flex items-center gap-1.5">
-              <Input v-model.number="form.retry_count" type="number" placeholder="0" class="w-16 h-9 text-sm" />
+               <Input v-model.number="form.retry_count" type="number" :min="0" :step="1" @input="form.retry_count = Math.max(0, Math.floor(form.retry_count || 0))" placeholder="0" class="w-16 h-9 text-sm" />
               <span class="text-sm text-muted-foreground whitespace-nowrap">次</span>
             </div>
             <div class="flex items-center gap-1.5 ml-2" v-if="form.retry_count && form.retry_count > 0">
               <span class="text-sm text-muted-foreground whitespace-nowrap">间隔</span>
-              <Input v-model.number="form.retry_interval" type="number" placeholder="0" class="w-16 h-9 text-sm" />
+               <Input v-model.number="form.retry_interval" type="number" :min="0" :step="1" @input="form.retry_interval = Math.max(0, Math.floor(form.retry_interval || 0))" placeholder="0" class="w-16 h-9 text-sm" />
               <span class="text-sm text-muted-foreground whitespace-nowrap">秒</span>
             </div>
           </div>

web/src/views/tasks/TaskDialog.vue

@@ -572,11 +572,21 @@ async function save() {
             </div>
           </div>
         </div>
+        <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-2 sm:gap-3" v-if="selectedTriggerType === TRIGGER_TYPE.CRON">
+          <Label class="sm:text-right text-sm">随机延迟</Label>
+          <div class="sm:col-span-3 flex items-center gap-2">
+            <div class="flex items-center gap-1.5">
+               <Input v-model.number="form.random_range" type="number" :min="0" :step="1" @input="form.random_range = Math.max(0, Math.floor(form.random_range || 0))" placeholder="0" class="w-20 h-9 text-sm" />
+               <span class="text-sm text-muted-foreground whitespace-nowrap">秒</span>
+            </div>
+            <p class="text-[11px] text-muted-foreground ml-1">开启后，任务将在定时时间点后的 0 ~ {{ form.random_range || 0 }} 秒内随机执行。</p>
+          </div>
+        </div>
         <div class="grid grid-cols-1 sm:grid-cols-4 items-center gap-2 sm:gap-3">
-          <Label class="sm:text-right text-sm">超时/清理</Label>
+          <Label class="sm:text-right text-sm">超时清理</Label>
           <div class="sm:col-span-3 flex flex-wrap items-center gap-2">
             <div class="flex items-center gap-1.5">
-              <Input v-model.number="form.timeout" type="number" placeholder="30" class="w-20 h-9 text-sm" />
+               <Input v-model.number="form.timeout" type="number" :min="0" :step="1" @input="form.timeout = Math.max(0, Math.floor(form.timeout || 0))" placeholder="30" class="w-20 h-9 text-sm" />
               <span class="text-sm text-muted-foreground whitespace-nowrap">分钟</span>
             </div>
             <div class="flex items-center gap-1.5">
@@ -609,12 +619,12 @@ async function save() {
           <Label class="sm:text-right text-sm">失败重试</Label>
           <div class="sm:col-span-3 flex items-center gap-2">
             <div class="flex items-center gap-1.5">
-              <Input v-model.number="form.retry_count" type="number" placeholder="0" class="w-16 h-9 text-sm" />
+               <Input v-model.number="form.retry_count" type="number" :min="0" :step="1" @input="form.retry_count = Math.max(0, Math.floor(form.retry_count || 0))" placeholder="0" class="w-16 h-9 text-sm" />
               <span class="text-sm text-muted-foreground whitespace-nowrap">次</span>
             </div>
             <div class="flex items-center gap-1.5 ml-2" v-if="form.retry_count && form.retry_count > 0">
               <span class="text-sm text-muted-foreground whitespace-nowrap">间隔</span>
-              <Input v-model.number="form.retry_interval" type="number" placeholder="0" class="w-16 h-9 text-sm" />
+               <Input v-model.number="form.retry_interval" type="number" :min="0" :step="1" @input="form.retry_interval = Math.max(0, Math.floor(form.retry_interval || 0))" placeholder="0" class="w-16 h-9 text-sm" />
               <span class="text-sm text-muted-foreground whitespace-nowrap">秒</span>
             </div>
           </div>

web/src/views/tasks/Tasks.vue

@@ -111,13 +111,13 @@ function clearAgentFilter() {
 }
 
 function openCreate() {
-  editingTask.value = { name: '', command: '', type: TASK_TYPE.NORMAL, schedule: '0 * * * * *', timeout: 30, work_dir: '', enabled: true, clean_config: '', envs: '' }
+  editingTask.value = { name: '', command: '', type: TASK_TYPE.NORMAL, schedule: '0 * * * * *', timeout: 30, work_dir: '', enabled: true, clean_config: '', envs: '', random_range: 0 }
   isEdit.value = false
   showTaskDialog.value = true
 }
 
 function openCreateRepo() {
-  editingTask.value = { name: '', type: TASK_TYPE.REPO, schedule: '0 0 0 * * *', timeout: 30, enabled: true, clean_config: '', envs: '' }
+  editingTask.value = { name: '', type: TASK_TYPE.REPO, schedule: '0 0 0 * * *', timeout: 30, enabled: true, clean_config: '', envs: '', random_range: 0 }
   isEdit.value = false
   showRepoDialog.value = true
 }