タイマートリガーを使用したセルフホスト型ランタイム監視
中級
これはDevOps, IT Ops分野の自動化ワークフローで、15個のノードを含みます。主にSet, Gmail, Slack, Switch, HttpRequestなどのノードを使用。 スケジュールトリガーを使用したセルフホスト型ランタイム監視
前提条件
- •Googleアカウント + Gmail API認証情報
- •Slack Bot Token または Webhook URL
- •ターゲットAPIの認証情報が必要な場合あり
- •Google Sheets API認証情報
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"meta": {
"instanceId": "26ba763460b97c249b82942b23b6384876dfeb9327513332e743c5f6219c2b8e"
},
"nodes": [
{
"id": "acb0acd0-9bb6-4491-a1ca-4aa9a7820bbc",
"name": "スケジュールトリガー",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
1440,
420
],
"parameters": {
"rule": {
"interval": [
{
"field": "hours",
"hoursInterval": 6
}
]
}
},
"typeVersion": 1.2
},
{
"id": "c6bb51c4-aec4-4a6d-ade2-1080bbbb6fb3",
"name": "ステータス計算",
"type": "n8n-nodes-base.set",
"position": [
2367,
460
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "b0cbcff5-bfcf-46a5-a386-65c4dd56c42f",
"name": "date",
"type": "string",
"value": "={{ $json.headers.date }}"
},
{
"id": "8c4155e4-bcc6-41dd-9582-346a57a7b997",
"name": "Property",
"type": "string",
"value": "={{ $json.Property }}"
},
{
"id": "f0320678-d352-486f-a633-9980c4fc73b2",
"name": "UP_FROM_UP",
"type": "boolean",
"value": "={{ $json.statusCode < 400 && $json.Status === 'UP' }}"
},
{
"id": "61783eb6-a683-44c9-aa0c-5fc5247da9fa",
"name": "DOWN_FROM_DOWN",
"type": "boolean",
"value": "={{ $json.statusCode >= 400 && $json.Status === 'DOWN' }}"
},
{
"id": "1052a69e-4456-445d-bdd9-2765b334cf64",
"name": "UP_FROM_DOWN",
"type": "boolean",
"value": "={{ $json.statusCode < 400 && $json.Status === 'DOWN' }}"
},
{
"id": "9af72278-5b29-406a-b4c5-f47f3d805063",
"name": "DOWN_FROM_UP",
"type": "boolean",
"value": "={{ $json.statusCode >= 400 && $json.Status === 'UP' }}"
}
]
}
},
"typeVersion": 3.3
},
{
"id": "50307dca-fa88-4a19-91a4-456866e529d4",
"name": "サイト取得",
"type": "n8n-nodes-base.googleSheets",
"position": [
1700,
420
],
"parameters": {
"options": {},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1t2RT3lxyxXj3X1y6klWvyhEJEazpkT3Hpi2ttEJRVT4/edit#gid=0",
"cachedResultName": "dashboard"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1t2RT3lxyxXj3X1y6klWvyhEJEazpkT3Hpi2ttEJRVT4",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1t2RT3lxyxXj3X1y6klWvyhEJEazpkT3Hpi2ttEJRVT4/edit?usp=drivesdk",
"cachedResultName": "n8n uptime"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "XHvC7jIRR8A2TlUl",
"name": "Google Sheets account"
}
},
"typeVersion": 4.3
},
{
"id": "4b0cb0cc-282b-4be9-a4ca-0c4eb10d896e",
"name": "チャットアラート送信",
"type": "n8n-nodes-base.slack",
"position": [
3100,
340
],
"parameters": {
"text": "=From: n8n uptime\nDate: {{ $('Calculate Status').item.json[\"date\"] }}\n\n{{ $('Calculate Status').item.json.Property }} is {{ $('Calculate Status').item.json[\"DOWN_FROM_UP\"] ? 'DOWN' : 'UP' }}",
"select": "channel",
"channelId": {
"__rl": true,
"mode": "list",
"value": "C06RS1WPUQ6",
"cachedResultName": "general"
},
"otherOptions": {}
},
"credentials": {
"slackApi": {
"id": "VfK3js0YdqBdQLGP",
"name": "Slack account"
}
},
"typeVersion": 2.1
},
{
"id": "ab303995-bd82-4aef-8fe1-ce808c4dbd33",
"name": "メールアラート送信",
"type": "n8n-nodes-base.gmail",
"position": [
2940,
340
],
"parameters": {
"sendTo": "no-reply@example.com",
"message": "=From: n8n uptime\nDate: {{ $('Calculate Status').item.json[\"date\"] }}\n\n{{ $('Calculate Status').item.json.Property }} is {{ $('Calculate Status').item.json[\"DOWN_FROM_UP\"] ? 'DOWN' : 'UP' }}",
"options": {
"senderName": "n8n uptime",
"appendAttribution": false
},
"subject": "=n8n uptime: {{ $('Calculate Status').item.json.Property }} is {{ $('Calculate Status').item.json[\"DOWN_FROM_UP\"] ? 'DOWN' : 'UP' }}",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"id": "Sf5Gfl9NiFTNXFWb",
"name": "Gmail account"
}
},
"typeVersion": 2.1
},
{
"id": "63343e68-be07-4d89-8363-140299dcf0b6",
"name": "稼働イベント記録",
"type": "n8n-nodes-base.googleSheets",
"position": [
2940,
520
],
"parameters": {
"columns": {
"value": {
"date": "={{ $json.date }}",
"period": "={{ new Date($json.date).format(\"yyyy-MM\") }}"
},
"schema": [
{
"id": "period",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "period",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "date",
"type": "string",
"display": true,
"required": false,
"displayName": "date",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Property",
"type": "string",
"display": true,
"required": false,
"displayName": "Property",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "UP_FROM_UP",
"type": "string",
"display": true,
"required": false,
"displayName": "UP_FROM_UP",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "DOWN_FROM_DOWN",
"type": "string",
"display": true,
"required": false,
"displayName": "DOWN_FROM_DOWN",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "UP_FROM_DOWN",
"type": "string",
"display": true,
"required": false,
"displayName": "UP_FROM_DOWN",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "DOWN_FROM_UP",
"type": "string",
"display": true,
"required": false,
"displayName": "DOWN_FROM_UP",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": []
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "name",
"value": "={{ $('Calculate Status').item.json.Property }}"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1t2RT3lxyxXj3X1y6klWvyhEJEazpkT3Hpi2ttEJRVT4",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1t2RT3lxyxXj3X1y6klWvyhEJEazpkT3Hpi2ttEJRVT4/edit?usp=drivesdk",
"cachedResultName": "n8n uptime"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "XHvC7jIRR8A2TlUl",
"name": "Google Sheets account"
}
},
"typeVersion": 4.3
},
{
"id": "fe97a18b-902c-4fab-bf73-69b5b9e41a11",
"name": "サイトステータス更新",
"type": "n8n-nodes-base.googleSheets",
"position": [
3100,
520
],
"parameters": {
"columns": {
"value": {
"Status": "={{ $json[\"DOWN_FROM_UP\"] || $json[\"DOWN_FROM_DOWN\"] ? 'DOWN' : 'UP' }}",
"Property": "={{ $json.Property }}"
},
"schema": [
{
"id": "Property",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Property",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Status",
"type": "string",
"display": true,
"required": false,
"displayName": "Status",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"Property"
]
},
"options": {},
"operation": "appendOrUpdate",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1t2RT3lxyxXj3X1y6klWvyhEJEazpkT3Hpi2ttEJRVT4/edit#gid=0",
"cachedResultName": "dashboard"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1t2RT3lxyxXj3X1y6klWvyhEJEazpkT3Hpi2ttEJRVT4",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1t2RT3lxyxXj3X1y6klWvyhEJEazpkT3Hpi2ttEJRVT4/edit?usp=drivesdk",
"cachedResultName": "n8n uptime"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "XHvC7jIRR8A2TlUl",
"name": "Google Sheets account"
}
},
"typeVersion": 4.3
},
{
"id": "b37537d1-eedf-446e-a5ed-2ef7388fd7bc",
"name": "サイトテスト実行",
"type": "n8n-nodes-base.httpRequest",
"position": [
2207,
460
],
"parameters": {
"url": "={{ $json.Property }}",
"options": {
"response": {
"response": {
"neverError": true,
"fullResponse": true
}
}
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{}
]
}
},
"typeVersion": 4.2
},
{
"id": "22efcca8-81a8-4128-a03f-efd394e41977",
"name": "各サイトに対して...",
"type": "n8n-nodes-base.splitInBatches",
"position": [
2007,
460
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "b74d0b2c-8b08-42fe-a78f-103d4ea3b60f",
"name": "付箋3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1375.3365733151754,
160
],
"parameters": {
"color": 7,
"width": 533.3167991131336,
"height": 451.46281790887826,
"content": "## 1. Setting a Schedule\n[Read more about Scheduling Workflows](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.scheduletrigger/)\n\nSince we expect downtime to be a rare occurance, our monitor should only check infrequently during the day. We'll use a schedule trigger for this purpose.\n\nOnce the schdule activates, we'll pull a list of sites to check from our google sheet."
},
"typeVersion": 1
},
{
"id": "6c570ff2-aa08-4458-b2da-7632d516c4e3",
"name": "付箋4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1940,
247.83581204342858
],
"parameters": {
"color": 7,
"width": 596.6620781418152,
"height": 464.2968162619932,
"content": "## 2. Perform Site Checks\n[Read more about using HTTP requests](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest/)\n\nn8n makes it easy to communicate with external websites by offering a powerful HTTP request node which can handle GET and POST requests as well as pagination.\n\nHere, we're only interested in the status code of our requests."
},
"typeVersion": 1
},
{
"id": "d1f67650-1409-43b1-b197-0e5a821d8b6f",
"name": "付箋5",
"type": "n8n-nodes-base.stickyNote",
"position": [
2580,
117.20168629145996
],
"parameters": {
"color": 7,
"width": 720.3351531809235,
"height": 600.2604061412927,
"content": "## 3. Sending Alerts and Logging Results\n[Read more about using Switch for powerful control flow](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.switch)\n\nThe switch node is powerful control flow tool that makes your workflows smart. Here, we're able to use Switch to trigger alert notifications whenever we have DOWN status or whenever we get a status change.\n\nWe store the event in our Sites Google Sheet and update the site's status which will be used to calculate our state on the next scheduled run."
},
"typeVersion": 1
},
{
"id": "244291de-7ce1-48c9-9d7a-c04fc7d069ab",
"name": "ステータスルーター",
"type": "n8n-nodes-base.switch",
"position": [
2640,
520
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "UP_FROM_UP",
"conditions": {
"options": {
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.UP_FROM_UP }}",
"rightValue": 200
}
]
},
"renameOutput": true
},
{
"outputKey": "UP_FROM_DOWN",
"conditions": {
"options": {
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "f50ae8d6-4359-4163-aedb-fddf100ad676",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.UP_FROM_DOWN }}",
"rightValue": 200
}
]
},
"renameOutput": true
},
{
"outputKey": "DOWN_FROM_DOWN",
"conditions": {
"options": {
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "417e93d8-08b7-468d-a3bb-f0d395b3026a",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.DOWN_FROM_DOWN }}",
"rightValue": ""
}
]
},
"renameOutput": true
},
{
"outputKey": "DOWN_FROM_UP",
"conditions": {
"options": {
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "7191e7cb-f2e1-4288-aa68-21f6efefafc5",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.DOWN_FROM_UP }}",
"rightValue": ""
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3
},
{
"id": "a2a683fa-1fa5-4595-856a-de4f717eadf0",
"name": "付箋6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1063.07390978683,
160
],
"parameters": {
"width": 276.590892958905,
"height": 299.942498076894,
"content": "## Try It Out!\n### Thie workflow showcases how you can build a simple website monitoring service using Scheduled Triggers and the HTTP Requests node. \n\n### Need Help?\nJoin the [Discord](https://discord.com/invite/XPKeKXeB7d) or ask in the [Forum](https://community.n8n.io/)!\n\nHappy Hacking!"
},
"typeVersion": 1
},
{
"id": "704ce21f-6b96-4dc5-a27f-fca4b326efd1",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
1620,
380
],
"parameters": {
"width": 262.6069985025353,
"height": 379.4991553144906,
"content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n### 🚨Google Sheet Required!\nYou'll need the following columns:\n* **Property** - the website address to monitor\n* **Status** - either one of \"UP\" or \"DOWN\""
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"50307dca-fa88-4a19-91a4-456866e529d4": {
"main": [
[
{
"node": "22efcca8-81a8-4128-a03f-efd394e41977",
"type": "main",
"index": 0
}
]
]
},
"244291de-7ce1-48c9-9d7a-c04fc7d069ab": {
"main": [
[
{
"node": "63343e68-be07-4d89-8363-140299dcf0b6",
"type": "main",
"index": 0
}
],
[
{
"node": "ab303995-bd82-4aef-8fe1-ce808c4dbd33",
"type": "main",
"index": 0
},
{
"node": "63343e68-be07-4d89-8363-140299dcf0b6",
"type": "main",
"index": 0
}
],
[
{
"node": "63343e68-be07-4d89-8363-140299dcf0b6",
"type": "main",
"index": 0
},
{
"node": "ab303995-bd82-4aef-8fe1-ce808c4dbd33",
"type": "main",
"index": 0
}
],
[
{
"node": "ab303995-bd82-4aef-8fe1-ce808c4dbd33",
"type": "main",
"index": 0
},
{
"node": "63343e68-be07-4d89-8363-140299dcf0b6",
"type": "main",
"index": 0
}
]
]
},
"c6bb51c4-aec4-4a6d-ade2-1080bbbb6fb3": {
"main": [
[
{
"node": "244291de-7ce1-48c9-9d7a-c04fc7d069ab",
"type": "main",
"index": 0
}
]
]
},
"22efcca8-81a8-4128-a03f-efd394e41977": {
"main": [
null,
[
{
"node": "b37537d1-eedf-446e-a5ed-2ef7388fd7bc",
"type": "main",
"index": 0
}
]
]
},
"63343e68-be07-4d89-8363-140299dcf0b6": {
"main": [
[
{
"node": "fe97a18b-902c-4fab-bf73-69b5b9e41a11",
"type": "main",
"index": 0
}
]
]
},
"acb0acd0-9bb6-4491-a1ca-4aa9a7820bbc": {
"main": [
[
{
"node": "50307dca-fa88-4a19-91a4-456866e529d4",
"type": "main",
"index": 0
}
]
]
},
"ab303995-bd82-4aef-8fe1-ce808c4dbd33": {
"main": [
[
{
"node": "4b0cb0cc-282b-4be9-a4ca-0c4eb10d896e",
"type": "main",
"index": 0
}
]
]
},
"b37537d1-eedf-446e-a5ed-2ef7388fd7bc": {
"main": [
[
{
"node": "c6bb51c4-aec4-4a6d-ade2-1080bbbb6fb3",
"type": "main",
"index": 0
}
]
]
},
"fe97a18b-902c-4fab-bf73-69b5b9e41a11": {
"main": [
[
{
"node": "22efcca8-81a8-4128-a03f-efd394e41977",
"type": "main",
"index": 0
}
]
]
}
}
}よくある質問
このワークフローの使い方は？
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか？
中級 - DevOps, IT運用
有料ですか？
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス（OpenAI APIなど）は別途料金が発生する場合があります。
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ワークフロー情報
難易度
中級
ノード数15
カテゴリー2
ノードタイプ9
作成者
Jimleuk
@jimleukFreelance consultant based in the UK specialising in AI-powered automations. I work with select clients tackling their most challenging projects. For business enquiries, send me an email at hello@jimle.uk LinkedIn: https://www.linkedin.com/in/jimleuk/ X/Twitter: https://x.com/jimle_uk
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