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truenas-stacks/n8n-workflows/01-grafana-alert-ai-gotify-v1.0.json

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{
"updatedAt": "2026-05-07T03:32:35.930Z",
"createdAt": "2026-05-07T03:32:32.026Z",
"id": "GXtkp4xKka90XrXH",
"name": "Grafana Alert \u2192 AI \u2192 Gotify v1.0",
"description": null,
"active": true,
"isArchived": false,
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "grafana-alert",
"options": {}
},
"id": "a6e7dfb1-8e9b-4048-b028-4383c30a7e0d",
"name": "Grafana Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
0,
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],
"webhookId": "0492788e-db4e-4d15-9572-9d6c3efc80c3"
},
{
"parameters": {
"jsCode": "// Parse Grafana alert payload into a clean summary for the LLM\nconst alerts = $input.first().json.body?.alerts || $input.first().json.alerts || [];\n\nconst parsed = alerts.map(a => ({\n status: a.status || 'unknown',\n alertName: a.labels?.alertname || 'Unnamed Alert',\n host: a.labels?.host || a.labels?.instance || 'unknown host',\n severity: a.labels?.severity || 'warning',\n summary: a.annotations?.summary || '',\n description: a.annotations?.description || '',\n value: a.valueString || '',\n startsAt: a.startsAt || '',\n endsAt: a.endsAt || ''\n}));\n\nconst alertText = parsed.map(a => \n `[${a.status.toUpperCase()}] ${a.alertName} on ${a.host}\\nSeverity: ${a.severity}\\nSummary: ${a.summary}\\nDescription: ${a.description}\\nValue: ${a.value}\\nStarted: ${a.startsAt}`\n).join('\\n---\\n');\n\nreturn [{\n json: {\n alertText,\n alertCount: parsed.length,\n hasResolved: parsed.some(a => a.status === 'resolved'),\n hasFiring: parsed.some(a => a.status === 'firing'),\n parsed\n }\n}];"
},
"id": "ea216058-69db-42cc-88d0-8f67e1b8951b",
"name": "Parse Alert Payload",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
224,
0
]
},
{
"parameters": {
"method": "POST",
"url": "http://10.5.30.6:4000/v1/chat/completions",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Authorization",
"value": "={{'Bearer ' + $env.LITELLM_API_KEY}}"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{\n {\n \"model\": \"medium\",\n \"messages\": [\n {\n \"role\": \"system\",\n \"content\": \"You are a concise homelab monitoring assistant. Summarize infrastructure alerts in 2-3 sentences. Include: what happened, which host, severity, and a suggested action. Keep it brief \u2014 this goes to a phone notification.\"\n },\n {\n \"role\": \"user\",\n \"content\": \"Summarize this Grafana alert:\\n\\n\" + $json.alertText\n }\n ],\n \"max_tokens\": 200,\n \"temperature\": 0.3\n }\n}}",
"options": {}
},
"id": "8ef1aa9d-d5b1-41ea-abc6-703b6491ea33",
"name": "LiteLLM Summarize",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
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]
},
{
"parameters": {
"jsCode": "const response = $input.first().json;\nconst summary = response.choices?.[0]?.message?.content || 'Could not generate summary';\nconst alertData = $('Parse Alert Payload').first().json;\n\nconst title = alertData.hasFiring \n ? `\ud83d\udd25 Alert Firing (${alertData.alertCount})` \n : `\u2705 Alert Resolved (${alertData.alertCount})`;\n\nconst priority = alertData.hasFiring ? 8 : 2;\n\nreturn [{\n json: {\n title,\n message: summary,\n priority\n }\n}];"
},
"id": "2e969bca-8458-4477-a358-664fd1c50c4f",
"name": "Format Notification",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
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]
},
{
"parameters": {
"message": "={{ $json.message }}",
"additionalFields": {
"priority": "={{ $json.priority }}",
"title": "={{ $json.title }}"
},
"options": {
"contentType": "text/plain"
}
},
"id": "65c2b53a-6e03-4460-9aa6-5d967d244de0",
"name": "Push to Gotify",
"type": "n8n-nodes-base.gotify",
"typeVersion": 1,
"position": [
2224,
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],
"credentials": {
"gotifyApi": {
"id": "DXdYZDfVZecDTaNU",
"name": "Gotify account"
}
}
},
{
"parameters": {
"jsCode": "const parsed = $('Parse Alert Payload').first().json;\nconst now = new Date();\nconst hour = now.getHours();\nconst fingerprint = (parsed.parsed || [])\n .map(a => `${a.alertName}:${a.host}`)\n .sort().join('|') || 'unknown';\nreturn [{ json: { ...parsed, fingerprint, isNightTime: hour >= 0 && hour < 7 } }];\n"
},
"id": "df26d9ca-c72c-4dee-9327-14a0f5fcf3a0",
"name": "Build Fingerprint",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
448,
0
]
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT fingerprint, last_seen FROM grafana_alert_dedup WHERE fingerprint = '{{ $json.fingerprint }}' AND last_seen > NOW() - INTERVAL '30 minutes' LIMIT 1;",
"options": {}
},
"id": "3fd78a53-7885-4739-a4b7-b441a27e993e",
"name": "Lookup Dedup",
"type": "n8n-nodes-base.postgres",
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"position": [
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],
"credentials": {
"postgres": {
"id": "n9svoXemqSZoNNUB",
"name": "Postgres account"
}
},
"continueOnFail": true
},
{
"parameters": {
"jsCode": "const alertData = $('Build Fingerprint').first().json;\nconst rows = $input.all().filter(r => r.json && r.json.fingerprint);\nconst alreadySeen = rows.length > 0;\nconst isLowPriority = !alertData.hasFiring;\nconst suppressNight = alertData.isNightTime && isLowPriority;\nconst suppress = alreadySeen || suppressNight;\nreturn [{ json: { ...alertData, suppress, suppressReason: alreadySeen ? 'dedup' : suppressNight ? 'night_suppress' : null } }];\n"
},
"id": "c34b4b0e-1a47-4624-b1c4-9ef6b5cdeb6c",
"name": "Check Should Notify",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
896,
0
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"id": "edee2fbd-0b2b-43bf-b542-9d9297d39d66",
"leftValue": "={{ $json.suppress }}",
"rightValue": false,
"operator": {
"type": "boolean",
"operation": "equal"
}
}
],
"combinator": "and"
}
},
"id": "29929dc8-17f6-4cc8-90c2-c501eaba8be5",
"name": "Should Notify?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
1120,
0
]
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO grafana_alert_dedup (fingerprint, last_seen, alert_name, host) VALUES ('{{ $json.fingerprint }}', NOW(), '{{ ($json.parsed && $json.parsed[0]) ? $json.parsed[0].alertName : \"unknown\" }}', '{{ ($json.parsed && $json.parsed[0]) ? $json.parsed[0].host : \"unknown\" }}') ON CONFLICT (fingerprint) DO UPDATE SET last_seen = NOW();",
"options": {}
},
"id": "25a14a6a-db17-49ca-a6d2-6ed2f97d2889",
"name": "Upsert Dedup Record",
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
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],
"credentials": {
"postgres": {
"id": "n9svoXemqSZoNNUB",
"name": "Postgres account"
}
},
"continueOnFail": true
}
],
"connections": {
"Grafana Webhook": {
"main": [
[
{
"node": "Parse Alert Payload",
"type": "main",
"index": 0
}
]
]
},
"Parse Alert Payload": {
"main": [
[
{
"node": "Build Fingerprint",
"type": "main",
"index": 0
}
]
]
},
"Build Fingerprint": {
"main": [
[
{
"node": "Lookup Dedup",
"type": "main",
"index": 0
}
]
]
},
"Lookup Dedup": {
"main": [
[
{
"node": "Check Should Notify",
"type": "main",
"index": 0
}
]
]
},
"Check Should Notify": {
"main": [
[
{
"node": "Should Notify?",
"type": "main",
"index": 0
}
]
]
},
"Should Notify?": {
"main": [
[
{
"node": "Upsert Dedup Record",
"type": "main",
"index": 0
}
],
[]
]
},
"Upsert Dedup Record": {
"main": [
[
{
"node": "LiteLLM Summarize",
"type": "main",
"index": 0
}
]
]
},
"LiteLLM Summarize": {
"main": [
[
{
"node": "Format Notification",
"type": "main",
"index": 0
}
]
]
},
"Format Notification": {
"main": [
[
{
"node": "Push to Gotify",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"binaryMode": "separate"
},
"staticData": null,
"meta": {
"templateCredsSetupCompleted": true
},
"pinData": {},
"versionId": "ba3a4eab-60b8-4b1c-ac9f-07a0fdcec9c0",
"activeVersionId": "ba3a4eab-60b8-4b1c-ac9f-07a0fdcec9c0",
"versionCounter": 10,
"triggerCount": 1,
"tags": [
{
"updatedAt": "2026-05-06T22:38:51.678Z",
"createdAt": "2026-05-06T22:38:51.678Z",
"id": "S9FxzVfHLsHmyzyt",
"name": "ai"
},
{
"updatedAt": "2026-05-06T22:38:51.660Z",
"createdAt": "2026-05-06T22:38:51.660Z",
"id": "0ETpkL5jJ5wwgt8k",
"name": "monitoring"
}
],
"shared": [
{
"updatedAt": "2026-05-07T03:32:32.026Z",
"createdAt": "2026-05-07T03:32:32.026Z",
"role": "workflow:owner",
"workflowId": "GXtkp4xKka90XrXH",
"projectId": "dxCRnBdX5uJizCGa",
"project": {
"updatedAt": "2026-05-06T01:10:37.484Z",
"createdAt": "2026-05-06T01:08:07.721Z",
"id": "dxCRnBdX5uJizCGa",
"name": "Wilfred Fizzlepoof <admin@paccoco.com>",
"type": "personal",
"icon": null,
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"creatorId": "47b2227f-2fc2-4a08-bd35-ea157b92df0d"
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],
"versionMetadata": {
"name": "Version ba3a4eab",
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}