try:
    result = task.execute()
    if not result.success:
        logger.error(f"任務(wù)執(zhí)行失敗: {result.error_message}")
        send_alert(f"任務(wù) {task.name} 執(zhí)行失敗: {result.error_message}")
except Exception as e:
    logger.error(f"任務(wù)執(zhí)行異常: {str(e)}")
    send_alert(f"任務(wù) {task.name} 執(zhí)行異常: {str(e)}")

try:
    with open(config_file, 'r', encoding='utf-8') as f:
        config = yaml.safe_load(f)
except yaml.YAMLError as e:
    logger.error(f"配置文件格式錯誤: {str(e)}")
    raise TaskSchedulerError(f"配置文件無效: {str(e)}")
except FileNotFoundError:
    logger.error(f"配置文件不存在: {config_file}")
    raise TaskSchedulerError(f"配置文件未找到: {config_file}")

try:
    scheduler.start()
except SchedulerAlreadyRunningError:
    logger.warning("調(diào)度器已在運行")
except Exception as e:
    logger.error(f"調(diào)度器啟動失敗: {str(e)}")
    raise TaskSchedulerError(f"調(diào)度器啟動失敗: {str(e)}")

try:
    if len(running_tasks) >= max_concurrent_tasks:
        raise ResourceLimitError(f"超過最大并發(fā)任務(wù)數(shù): {max_concurrent_tasks}")
except ResourceLimitError as e:
    logger.warning(f"資源限制: {str(e)}")
    # 將任務(wù)加入等待隊列
    task_queue.put(task)

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
定時任務(wù)調(diào)度器
功能：自動化執(zhí)行定時任務(wù)
作者：Cline
版本：1.0
"""

import argparse
import sys
import json
import yaml
import logging
import os
import time
import threading
import subprocess
import requests
from datetime import datetime, timedelta
from typing import Dict, List, Callable, Any, Optional
import schedule
import signal
from concurrent.futures import ThreadPoolExecutor, as_completed
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import sqlite3

# 配置日志
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(levelname)s - %(message)s',
    handlers=[
        logging.FileHandler('task_scheduler.log'),
        logging.StreamHandler(sys.stdout)
    ]
)
logger = logging.getLogger(__name__)

class TaskSchedulerError(Exception):
    """任務(wù)調(diào)度器異常類"""
    pass

class TaskExecutionError(Exception):
    """任務(wù)執(zhí)行異常類"""
    pass

class Task:
    def __init__(self, config: Dict[str, Any]):
        self.id = config.get('id')
        self.name = config.get('name', 'Unnamed Task')
        self.description = config.get('description', '')
        self.type = config.get('type', 'shell')
        self.command = config.get('command', '')
        self.schedule = config.get('schedule', '* * * * *')
        self.enabled = config.get('enabled', True)
        self.timeout = config.get('timeout', 300)  # 5分鐘超時
        self.max_retries = config.get('max_retries', 3)
        self.retry_delay = config.get('retry_delay', 5)  # 重試延遲秒數(shù)
        self.priority = config.get('priority', 0)
        self.dependencies = config.get('dependencies', [])
        self.alert_on_failure = config.get('alert_on_failure', True)
        self.alert_emails = config.get('alert_emails', [])
        
        # 執(zhí)行統(tǒng)計
        self.stats = {
            'executed_count': 0,
            'success_count': 0,
            'failed_count': 0,
            'last_execution': None,
            'last_success': None,
            'last_failure': None,
            'average_duration': 0.0
        }
        
    def execute(self) -> Dict[str, Any]:
        """執(zhí)行任務(wù)"""
        if not self.enabled:
            logger.info(f"任務(wù) {self.name} 已禁用，跳過執(zhí)行")
            return {'success': True, 'message': '任務(wù)已禁用'}
            
        start_time = time.time()
        logger.info(f"開始執(zhí)行任務(wù): {self.name}")
        
        try:
            result = None
            for attempt in range(self.max_retries + 1):
                try:
                    if self.type == 'shell':
                        result = self._execute_shell_command()
                    elif self.type == 'python':
                        result = self._execute_python_script()
                    elif self.type == 'http':
                        result = self._execute_http_request()
                    elif self.type == 'function':
                        result = self._execute_function()
                    else:
                        raise TaskExecutionError(f"不支持的任務(wù)類型: {self.type}")
                        
                    # 執(zhí)行成功
                    duration = time.time() - start_time
                    self._update_stats(True, duration)
                    logger.info(f"任務(wù) {self.name} 執(zhí)行成功，耗時 {duration:.2f} 秒")
                    return {'success': True, 'duration': duration, 'result': result}
                    
                except Exception as e:
                    if attempt < self.max_retries:
                        logger.warning(f"任務(wù) {self.name} 第 {attempt + 1} 次執(zhí)行失敗: {str(e)}，{self.retry_delay} 秒后重試")
                        time.sleep(self.retry_delay)
                    else:
                        # 最后一次嘗試也失敗了
                        duration = time.time() - start_time
                        self._update_stats(False, duration)
                        logger.error(f"任務(wù) {self.name} 執(zhí)行失敗: {str(e)}")
                        return {'success': False, 'error': str(e), 'duration': duration}
                        
        except Exception as e:
            duration = time.time() - start_time
            self._update_stats(False, duration)
            logger.error(f"任務(wù) {self.name} 執(zhí)行異常: {str(e)}")
            return {'success': False, 'error': str(e), 'duration': duration}
            
    def _execute_shell_command(self) -> str:
        """執(zhí)行Shell命令"""
        logger.debug(f"執(zhí)行Shell命令: {self.command}")
        result = subprocess.run(
            self.command,
            shell=True,
            capture_output=True,
            text=True,
            timeout=self.timeout
        )
        
        if result.returncode != 0:
            raise TaskExecutionError(f"命令執(zhí)行失敗: {result.stderr}")
            
        return result.stdout
        
    def _execute_python_script(self) -> Any:
        """執(zhí)行Python腳本"""
        logger.debug(f"執(zhí)行Python腳本: {self.command}")
        # 這里可以使用exec或subprocess執(zhí)行Python代碼
        # 為了安全起見，建議使用subprocess
        script_path = self.command
        if not os.path.exists(script_path):
            raise TaskExecutionError(f"Python腳本不存在: {script_path}")
            
        result = subprocess.run(
            [sys.executable, script_path],
            capture_output=True,
            text=True,
            timeout=self.timeout
        )
        
        if result.returncode != 0:
            raise TaskExecutionError(f"Python腳本執(zhí)行失敗: {result.stderr}")
            
        return result.stdout
        
    def _execute_http_request(self) -> Dict[str, Any]:
        """執(zhí)行HTTP請求"""
        logger.debug(f"執(zhí)行HTTP請求: {self.command}")
        
        # 解析HTTP配置
        http_config = self.command if isinstance(self.command, dict) else json.loads(self.command)
        method = http_config.get('method', 'GET').upper()
        url = http_config.get('url')
        headers = http_config.get('headers', {})
        data = http_config.get('data')
        params = http_config.get('params')
        
        if not url:
            raise TaskExecutionError("HTTP請求缺少URL")
            
        response = requests.request(
            method=method,
            url=url,
            headers=headers,
            data=data,
            params=params,
            timeout=self.timeout
        )
        
        response.raise_for_status()
        return {
            'status_code': response.status_code,
            'headers': dict(response.headers),
            'content': response.text
        }
        
    def _execute_function(self) -> Any:
        """執(zhí)行自定義函數(shù)"""
        logger.debug(f"執(zhí)行自定義函數(shù): {self.command}")
        # 這里需要根據(jù)具體實現(xiàn)來調(diào)用函數(shù)
        # 可以使用getattr或eval等方式，但要注意安全性
        raise NotImplementedError("自定義函數(shù)執(zhí)行暫未實現(xiàn)")
        
    def _update_stats(self, success: bool, duration: float):
        """更新執(zhí)行統(tǒng)計"""
        self.stats['executed_count'] += 1
        self.stats['last_execution'] = datetime.now().isoformat()
        
        if success:
            self.stats['success_count'] += 1
            self.stats['last_success'] = datetime.now().isoformat()
            # 更新平均執(zhí)行時間
            current_avg = self.stats['average_duration']
            count = self.stats['success_count']
            self.stats['average_duration'] = (current_avg * (count - 1) + duration) / count
        else:
            self.stats['failed_count'] += 1
            self.stats['last_failure'] = datetime.now().isoformat()

class TaskScheduler:
    def __init__(self, config_file: str = None):
        self.config_file = config_file
        self.tasks = {}
        self.running = False
        self.executor = None
        self.max_workers = 10
        self.alert_config = {}
        self.database_path = 'task_scheduler.db'
        
        # 加載配置
        self.load_config()
        
        # 初始化數(shù)據(jù)庫
        self.init_database()
        
        # 注冊信號處理器
        signal.signal(signal.SIGINT, self._signal_handler)
        signal.signal(signal.SIGTERM, self._signal_handler)
        
    def load_config(self):
        """加載配置文件"""
        if not self.config_file or not os.path.exists(self.config_file):
            logger.info("未指定配置文件或文件不存在，使用默認(rèn)配置")
            self._create_default_config()
            return
            
        try:
            with open(self.config_file, 'r', encoding='utf-8') as f:
                if self.config_file.endswith('.yaml') or self.config_file.endswith('.yml'):
                    config = yaml.safe_load(f)
                else:
                    config = json.load(f)
                    
            # 加載調(diào)度器配置
            scheduler_config = config.get('scheduler', {})
            self.max_workers = scheduler_config.get('max_workers', 10)
            self.alert_config = scheduler_config.get('alerts', {})
            
            # 加載任務(wù)配置
            tasks_config = config.get('tasks', [])
            for task_config in tasks_config:
                task = Task(task_config)
                self.tasks[task.id] = task
                logger.info(f"加載任務(wù): {task.name} (ID: {task.id})")
                
            logger.info(f"成功加載 {len(self.tasks)} 個任務(wù)")
            
        except Exception as e:
            logger.error(f"加載配置文件失敗: {str(e)}")
            raise TaskSchedulerError(f"配置加載失敗: {str(e)}")
            
    def _create_default_config(self):
        """創(chuàng)建默認(rèn)配置"""
        default_tasks = [
            {
                "id": "system_monitor",
                "name": "系統(tǒng)監(jiān)控",
                "description": "監(jiān)控系統(tǒng)資源使用情況",
                "type": "shell",
                "command": "python system_monitor.py",
                "schedule": "*/5 * * * *",  # 每5分鐘執(zhí)行一次
                "enabled": True,
                "timeout": 300,
                "max_retries": 3
            },
            {
                "id": "log_cleanup",
                "name": "日志清理",
                "description": "清理過期日志文件",
                "type": "shell",
                "command": "find /var/log -name '*.log' -mtime +30 -delete",
                "schedule": "0 2 * * *",  # 每天凌晨2點執(zhí)行
                "enabled": True,
                "timeout": 600
            }
        ]
        
        default_config = {
            "scheduler": {
                "max_workers": 10,
                "alerts": {
                    "smtp_server": "smtp.example.com",
                    "smtp_port": 587,
                    "sender": "scheduler@example.com",
                    "password": "your_password"
                }
            },
            "tasks": default_tasks
        }
        
        # 保存默認(rèn)配置
        config_path = self.config_file or 'scheduler_config.json'
        with open(config_path, 'w', encoding='utf-8') as f:
            json.dump(default_config, f, indent=2, ensure_ascii=False)
        logger.info(f"創(chuàng)建默認(rèn)配置文件: {config_path}")
        
    def init_database(self):
        """初始化數(shù)據(jù)庫"""
        try:
            conn = sqlite3.connect(self.database_path)
            cursor = conn.cursor()
            
            # 創(chuàng)建任務(wù)執(zhí)行記錄表
            cursor.execute('''
                CREATE TABLE IF NOT EXISTS task_executions (
                    id INTEGER PRIMARY KEY AUTOINCREMENT,
                    task_id TEXT NOT NULL,
                    task_name TEXT NOT NULL,
                    start_time TEXT NOT NULL,
                    end_time TEXT,
                    duration REAL,
                    success BOOLEAN,
                    error_message TEXT,
                    output TEXT
                )
            ''')
            
            # 創(chuàng)建任務(wù)統(tǒng)計表
            cursor.execute('''
                CREATE TABLE IF NOT EXISTS task_stats (
                    task_id TEXT PRIMARY KEY,
                    executed_count INTEGER DEFAULT 0,
                    success_count INTEGER DEFAULT 0,
                    failed_count INTEGER DEFAULT 0,
                    last_execution TEXT,
                    last_success TEXT,
                    last_failure TEXT,
                    average_duration REAL DEFAULT 0.0
                )
            ''')
            
            conn.commit()
            conn.close()
            logger.info("數(shù)據(jù)庫初始化完成")
            
        except Exception as e:
            logger.error(f"數(shù)據(jù)庫初始化失敗: {str(e)}")
            raise TaskSchedulerError(f"數(shù)據(jù)庫初始化失敗: {str(e)}")
            
    def save_task_execution(self, task_id: str, task_name: str, start_time: datetime, 
                          end_time: datetime, duration: float, success: bool, 
                          error_message: str = None, output: str = None):
        """保存任務(wù)執(zhí)行記錄"""
        try:
            conn = sqlite3.connect(self.database_path)
            cursor = conn.cursor()
            
            cursor.execute('''
                INSERT INTO task_executions 
                (task_id, task_name, start_time, end_time, duration, success, error_message, output)
                VALUES (?, ?, ?, ?, ?, ?, ?, ?)
            ''', (
                task_id, task_name, start_time.isoformat(), end_time.isoformat(),
                duration, success, error_message, output
            ))
            
            conn.commit()
            conn.close()
            
        except Exception as e:
            logger.error(f"保存任務(wù)執(zhí)行記錄失敗: {str(e)}")
            
    def update_task_stats(self, task: Task):
        """更新任務(wù)統(tǒng)計信息到數(shù)據(jù)庫"""
        try:
            conn = sqlite3.connect(self.database_path)
            cursor = conn.cursor()
            
            cursor.execute('''
                INSERT OR REPLACE INTO task_stats 
                (task_id, executed_count, success_count, failed_count, 
                 last_execution, last_success, last_failure, average_duration)
                VALUES (?, ?, ?, ?, ?, ?, ?, ?)
            ''', (
                task.id,
                task.stats['executed_count'],
                task.stats['success_count'],
                task.stats['failed_count'],
                task.stats['last_execution'],
                task.stats['last_success'],
                task.stats['last_failure'],
                task.stats['average_duration']
            ))
            
            conn.commit()
            conn.close()
            
        except Exception as e:
            logger.error(f"更新任務(wù)統(tǒng)計信息失敗: {str(e)}")
            
    def schedule_task(self, task: Task):
        """調(diào)度任務(wù)"""
        if not task.enabled:
            logger.info(f"任務(wù) {task.name} 已禁用，跳過調(diào)度")
            return
            
        try:
            # 解析Cron表達(dá)式
            cron_parts = task.schedule.split()
            if len(cron_parts) != 5:
                raise TaskSchedulerError(f"無效的Cron表達(dá)式: {task.schedule}")
                
            minute, hour, day, month, weekday = cron_parts
            
            # 使用schedule庫進(jìn)行調(diào)度
            job = schedule.every()
            
            # 設(shè)置調(diào)度時間
            if minute != '*':
                job = job.minute.at(minute)
            if hour != '*':
                job = job.hour.at(hour)
            if day != '*':
                job = job.day.at(day)
                
            # 設(shè)置作業(yè)
            job.do(self._execute_task, task_id=task.id)
            
            logger.info(f"任務(wù) {task.name} 已調(diào)度: {task.schedule}")
            
        except Exception as e:
            logger.error(f"調(diào)度任務(wù) {task.name} 失敗: {str(e)}")
            
    def _execute_task(self, task_id: str):
        """執(zhí)行任務(wù)（內(nèi)部方法）"""
        if task_id not in self.tasks:
            logger.error(f"任務(wù)不存在: {task_id}")
            return
            
        task = self.tasks[task_id]
        start_time = datetime.now()
        
        try:
            # 執(zhí)行任務(wù)
            result = task.execute()
            end_time = datetime.now()
            duration = (end_time - start_time).total_seconds()
            
            # 保存執(zhí)行記錄
            self.save_task_execution(
                task_id=task.id,
                task_name=task.name,
                start_time=start_time,
                end_time=end_time,
                duration=duration,
                success=result['success'],
                error_message=result.get('error'),
                output=result.get('result')
            )
            
            # 更新統(tǒng)計信息
            self.update_task_stats(task)
            
            # 發(fā)送告警（如果需要）
            if not result['success'] and task.alert_on_failure:
                self.send_alert(task, result.get('error', '未知錯誤'))
                
        except Exception as e:
            end_time = datetime.now()
            duration = (end_time - start_time).total_seconds()
            
            # 保存失敗記錄
            self.save_task_execution(
                task_id=task.id,
                task_name=task.name,
                start_time=start_time,
                end_time=end_time,
                duration=duration,
                success=False,
                error_message=str(e)
            )
            
            logger.error(f"執(zhí)行任務(wù) {task.name} 時發(fā)生異常: {str(e)}")
            
    def send_alert(self, task: Task, error_message: str):
        """發(fā)送告警"""
        if not self.alert_config or not task.alert_emails:
            return
            
        try:
            # 創(chuàng)建郵件內(nèi)容
            msg = MIMEMultipart()
            msg['From'] = self.alert_config['sender']
            msg['To'] = ', '.join(task.alert_emails)
            msg['Subject'] = f"任務(wù)調(diào)度器告警 - {task.name}"
            
            body = f"""
任務(wù)調(diào)度器告警通知

任務(wù)名稱: {task.name}
任務(wù)ID: {task.id}
執(zhí)行時間: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}
錯誤信息: {error_message}

請及時處理！

---
任務(wù)調(diào)度器
            """
            msg.attach(MIMEText(body, 'plain'))
            
            # 發(fā)送郵件
            server = smtplib.SMTP(self.alert_config['smtp_server'], self.alert_config['smtp_port'])
            server.starttls()
            server.login(self.alert_config['sender'], self.alert_config['password'])
            server.send_message(msg)
            server.quit()
            
            logger.info(f"告警郵件已發(fā)送給: {', '.join(task.alert_emails)}")
            
        except Exception as e:
            logger.error(f"發(fā)送告警郵件失敗: {str(e)}")
            
    def start(self):
        """啟動調(diào)度器"""
        if self.running:
            logger.warning("調(diào)度器已在運行")
            return
            
        logger.info("啟動任務(wù)調(diào)度器...")
        self.running = True
        self.executor = ThreadPoolExecutor(max_workers=self.max_workers)
        
        # 調(diào)度所有任務(wù)
        for task in self.tasks.values():
            self.schedule_task(task)
            
        # 主循環(huán)
        try:
            while self.running:
                schedule.run_pending()
                time.sleep(1)
        except KeyboardInterrupt:
            logger.info("收到中斷信號，正在停止調(diào)度器...")
        finally:
            self.stop()
            
    def stop(self):
        """停止調(diào)度器"""
        logger.info("停止任務(wù)調(diào)度器...")
        self.running = False
        
        if self.executor:
            self.executor.shutdown(wait=True)
            
        schedule.clear()
        logger.info("任務(wù)調(diào)度器已停止")
        
    def _signal_handler(self, signum, frame):
        """信號處理器"""
        logger.info(f"收到信號 {signum}，準(zhǔn)備停止調(diào)度器...")
        self.stop()
        sys.exit(0)
        
    def add_task(self, task_config: Dict[str, Any]):
        """添加任務(wù)"""
        task = Task(task_config)
        self.tasks[task.id] = task
        if self.running:
            self.schedule_task(task)
        logger.info(f"添加任務(wù): {task.name}")
        
    def remove_task(self, task_id: str):
        """移除任務(wù)"""
        if task_id in self.tasks:
            task = self.tasks[task_id]
            del self.tasks[task_id]
            logger.info(f"移除任務(wù): {task.name}")
            
    def get_task_stats(self, task_id: str = None) -> Dict[str, Any]:
        """獲取任務(wù)統(tǒng)計信息"""
        if task_id:
            if task_id in self.tasks:
                return self.tasks[task_id].stats
            else:
                return None
        else:
            return {task_id: task.stats for task_id, task in self.tasks.items()}
            
    def get_execution_history(self, task_id: str = None, limit: int = 100) -> List[Dict[str, Any]]:
        """獲取執(zhí)行歷史"""
        try:
            conn = sqlite3.connect(self.database_path)
            cursor = conn.cursor()
            
            if task_id:
                cursor.execute('''
                    SELECT * FROM task_executions 
                    WHERE task_id = ? 
                    ORDER BY start_time DESC 
                    LIMIT ?
                ''', (task_id, limit))
            else:
                cursor.execute('''
                    SELECT * FROM task_executions 
                    ORDER BY start_time DESC 
                    LIMIT ?
                ''', (limit,))
                
            rows = cursor.fetchall()
            conn.close()
            
            # 轉(zhuǎn)換為字典列表
            columns = [description[0] for description in cursor.description]
            return [dict(zip(columns, row)) for row in rows]
            
        except Exception as e:
            logger.error(f"獲取執(zhí)行歷史失敗: {str(e)}")
            return []

def create_sample_config():
    """創(chuàng)建示例配置文件"""
    sample_config = {
        "scheduler": {
            "max_workers": 5,
            "alerts": {
                "smtp_server": "smtp.gmail.com",
                "smtp_port": 587,
                "sender": "your_email@gmail.com",
                "password": "your_app_password"
            }
        },
        "tasks": [
            {
                "id": "backup_task",
                "name": "數(shù)據(jù)庫備份",
                "description": "每日備份數(shù)據(jù)庫",
                "type": "shell",
                "command": "mysqldump -u root -p mydb > /backups/mydb_$(date +%Y%m%d).sql",
                "schedule": "0 2 * * *",
                "enabled": True,
                "timeout": 3600,
                "max_retries": 2,
                "alert_on_failure": True,
                "alert_emails": ["admin@example.com"]
            },
            {
                "id": "cleanup_task",
                "name": "臨時文件清理",
                "description": "清理7天前的臨時文件",
                "type": "shell",
                "command": "find /tmp -name '*.tmp' -mtime +7 -delete",
                "schedule": "0 3 * * 0",
                "enabled": True,
                "timeout": 300
            },
            {
                "id": "api_monitor",
                "name": "API監(jiān)控",
                "description": "監(jiān)控關(guān)鍵API的可用性",
                "type": "http",
                "command": json.dumps({
                    "method": "GET",
                    "url": "https://api.example.com/health",
                    "timeout": 30
                }),
                "schedule": "*/10 * * * *",
                "enabled": True,
                "timeout": 60,
                "alert_on_failure": True,
                "alert_emails": ["ops@example.com"]
            }
        ]
    }
    
    with open('scheduler_sample_config.json', 'w', encoding='utf-8') as f:
        json.dump(sample_config, f, indent=2, ensure_ascii=False)
    logger.info("示例配置文件已創(chuàng)建: scheduler_sample_config.json")

def main():
    parser = argparse.ArgumentParser(description='定時任務(wù)調(diào)度器')
    parser.add_argument('-c', '--config', help='配置文件路徑')
    parser.add_argument('--start', action='store_true', help='啟動調(diào)度器')
    parser.add_argument('--sample-config', action='store_true', help='創(chuàng)建示例配置文件')
    parser.add_argument('--list-tasks', action='store_true', help='列出所有任務(wù)')
    parser.add_argument('--task-stats', help='查看指定任務(wù)的統(tǒng)計信息')
    parser.add_argument('--history', help='查看指定任務(wù)的執(zhí)行歷史')
    
    args = parser.parse_args()
    
    if args.sample_config:
        create_sample_config()
        return
        
    scheduler = TaskScheduler(args.config)
    
    if args.list_tasks:
        print("任務(wù)列表:")
        for task_id, task in scheduler.tasks.items():
            status = "啟用" if task.enabled else "禁用"
            print(f"  - {task.name} ({task_id}) [{status}]")
        return
        
    if args.task_stats:
        stats = scheduler.get_task_stats(args.task_stats)
        if stats:
            print(f"任務(wù) {args.task_stats} 的統(tǒng)計信息:")
            for key, value in stats.items():
                print(f"  {key}: {value}")
        else:
            print(f"任務(wù) {args.task_stats} 不存在")
        return
        
    if args.history:
        history = scheduler.get_execution_history(args.history)
        print(f"任務(wù) {args.history} 的執(zhí)行歷史:")
        for record in history:
            print(f"  時間: {record['start_time']}, 成功: {record['success']}, 耗時: {record['duration']:.2f}s")
        return
        
    if args.start:
        scheduler.start()
    else:
        parser.print_help()

if __name__ == '__main__':
    main()

pip install schedule requests pyyaml

python task_scheduler.py --sample-config

python task_scheduler.py --config scheduler_config.json --start

python task_scheduler.py --config scheduler_config.json --list-tasks

python task_scheduler.py --config scheduler_config.json --task-stats backup_task

python task_scheduler.py --config scheduler_config.json --history backup_task

{
  "scheduler": {
    "max_workers": 5,
    "alerts": {
      "smtp_server": "smtp.gmail.com",
      "smtp_port": 587,
      "sender": "your_email@gmail.com",
      "password": "your_app_password"
    }
  },
  "tasks": [
    {
      "id": "backup_task",
      "name": "數(shù)據(jù)庫備份",
      "description": "每日備份數(shù)據(jù)庫",
      "type": "shell",
      "command": "mysqldump -u root -p mydb > /backups/mydb_$(date +%Y%m%d).sql",
      "schedule": "0 2 * * *",
      "enabled": true,
      "timeout": 3600,
      "max_retries": 2,
      "alert_on_failure": true,
      "alert_emails": ["admin@example.com"]
    },
    {
      "id": "cleanup_task",
      "name": "臨時文件清理",
      "description": "清理7天前的臨時文件",
      "type": "shell",
      "command": "find /tmp -name '*.tmp' -mtime +7 -delete",
      "schedule": "0 3 * * 0",
      "enabled": true,
      "timeout": 300
    }
  ]
}

scheduler:
  max_workers: 5
  alerts:
    smtp_server: smtp.gmail.com
    smtp_port: 587
    sender: your_email@gmail.com
    password: your_app_password

tasks:
  - id: backup_task
    name: 數(shù)據(jù)庫備份
    description: 每日備份數(shù)據(jù)庫
    type: shell
    command: mysqldump -u root -p mydb > /backups/mydb_$(date +%Y%m%d).sql
    schedule: "0 2 * * *"
    enabled: true
    timeout: 3600
    max_retries: 2
    alert_on_failure: true
    alert_emails:
      - admin@example.com

  - id: cleanup_task
    name: 臨時文件清理
    description: 清理7天前的臨時文件
    type: shell
    command: find /tmp -name '*.tmp' -mtime +7 -delete
    schedule: "0 3 * * 0"
    enabled: true
    timeout: 300

tasks:
  - id: task_a
    name: 任務(wù)A
    # ... 其他配置

  - id: task_b
    name: 任務(wù)B
    dependencies:
      - task_a  # 任務(wù)B依賴于任務(wù)A
    # ... 其他配置