Health Check

工作流概述

这是一个包含7个节点的中等工作流,主要用于自动化处理各种任务。

工作流源代码

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{
  "id": "wng5xcxlYA6jFS6n",
  "meta": {
    "instanceId": "d2672089b9e343ad3bc90ba1f1f190228becae384176d65238d27962069ff47d",
    "templateCredsSetupCompleted": true
  },
  "name": "MAIA - Health Check",
  "tags": [],
  "nodes": [
    {
      "id": "10335465-853d-47ea-aad7-34460c741b74",
      "name": "No Operation, do nothing",
      "type": "n8n-nodes-base.noOp",
      "position": [
        860,
        -20
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "ea7771ba-3d35-423a-9813-2a65448a15fc",
      "name": "Telegram",
      "type": "n8n-nodes-base.telegram",
      "position": [
        860,
        160
      ],
      "webhookId": "6c02772a-8f40-4d9b-8fe5-220aac63c34e",
      "parameters": {
        "text": "=Health Check :  {{ $json.URLS }}

{{ $json.error.code }}",
        "chatId": "1548053076",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "QYefc34gGshZQURo",
          "name": "Telegram account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "bae03dc7-e35b-4760-8de8-151d2d97391b",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        0,
        0
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes"
            }
          ]
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "a53fba9c-0f7e-4757-8bcd-e3622845e804",
      "name": "Fetch Urls",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        220,
        0
      ],
      "parameters": {
        "options": {},
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/17-tY9_wn-D2FV627Sx3-Z3abqFYvz794edej7es5J6w/edit#gid=0",
          "cachedResultName": "Sheet1"
        },
        "documentId": {
          "__rl": true,
          "mode": "id",
          "value": "17-tY9_wn-D2FV627Sx3-Z3abqFYvz794edej7es5J6w"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "rh63B66L9pJsButh",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5
    },
    {
      "id": "c96a2070-953b-4a03-a308-dae92d841851",
      "name": "Check URL",
      "type": "n8n-nodes-base.httpRequest",
      "onError": "continueErrorOutput",
      "position": [
        520,
        0
      ],
      "parameters": {
        "url": "={{ $json.URLS }}",
        "options": {}
      },
      "typeVersion": 4.2,
      "alwaysOutputData": false
    },
    {
      "id": "4fe54bbe-32ef-41d2-94f8-2a7d4ec175b6",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        160,
        -220
      ],
      "parameters": {
        "content": "## Step 1
Create a new google sheet where A1 is a title, and then list in column A all the urls you want to check."
      },
      "typeVersion": 1
    },
    {
      "id": "96f8b3bb-d3e1-415a-a849-84b1d524acb5",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        800,
        320
      ],
      "parameters": {
        "content": "## Step 2
To use telegram, simply define chatid.

You can replace with any type of notification like slack, etc..."
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "704c7308-7759-4f31-ab94-c2c53e3c5ed7",
  "connections": {
    "Check URL": {
      "main": [
        [
          {
            "node": "No Operation, do nothing",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Telegram",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch Urls": {
      "main": [
        [
          {
            "node": "Check URL",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Fetch Urls",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

功能特点

  • 自动检测新邮件
  • AI智能内容分析
  • 自定义分类规则
  • 批量处理能力
  • 详细的处理日志

技术分析

节点类型及作用

  • Noop
  • Telegram
  • Scheduletrigger
  • Googlesheets
  • Httprequest

复杂度评估

配置难度:
★★★☆☆
维护难度:
★★☆☆☆
扩展性:
★★★★☆

实施指南

前置条件

  • 有效的Gmail账户
  • n8n平台访问权限
  • Google API凭证
  • AI分类服务订阅

配置步骤

  1. 在n8n中导入工作流JSON文件
  2. 配置Gmail节点的认证信息
  3. 设置AI分类器的API密钥
  4. 自定义分类规则和标签映射
  5. 测试工作流执行
  6. 配置定时触发器(可选)

关键参数

参数名称 默认值 说明
maxEmails 50 单次处理的最大邮件数量
confidenceThreshold 0.8 分类置信度阈值
autoLabel true 是否自动添加标签

最佳实践

优化建议

  • 定期更新AI分类模型以提高准确性
  • 根据邮件量调整处理批次大小
  • 设置合理的分类置信度阈值
  • 定期清理过期的分类规则

安全注意事项

  • 妥善保管API密钥和认证信息
  • 限制工作流的访问权限
  • 定期审查处理日志
  • 启用双因素认证保护Gmail账户

性能优化

  • 使用增量处理减少重复工作
  • 缓存频繁访问的数据
  • 并行处理多个邮件分类任务
  • 监控系统资源使用情况

故障排除

常见问题

邮件未被正确分类

检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。

Gmail认证失败

确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。

调试技巧

  • 启用详细日志记录查看每个步骤的执行情况
  • 使用测试邮件验证分类逻辑
  • 检查网络连接和API服务状态
  • 逐步执行工作流定位问题节点

错误处理

工作流包含以下错误处理机制:

  • 网络超时自动重试(最多3次)
  • API错误记录和告警
  • 处理失败邮件的隔离机制
  • 异常情况下的回滚操作