The workflow JSON
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{
"name": "obs-logs",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "logs",
"responseMode": "responseNode",
"options": {}
},
"id": "webhook-logs",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
240,
300
]
},
{
"parameters": {
"url": "=http://loki:3100/loki/api/v1/query_range",
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "query",
"value": "={{ $json.body.query }}"
},
{
"name": "limit",
"value": "={{ $json.body.limit ?? 50 }}"
},
{
"name": "start",
"value": "={{ $json.body.start ?? (Date.now() - 3600000) + '000000' }}"
},
{
"name": "end",
"value": "={{ $json.body.end ?? Date.now() + '000000' }}"
}
]
},
"options": {}
},
"id": "loki-query",
"name": "Loki Query",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
460,
300
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ JSON.stringify($json) }}",
"options": {}
},
"id": "respond-logs",
"name": "Respond",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
680,
300
]
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Loki Query",
"type": "main",
"index": 0
}
]
]
},
"Loki Query": {
"main": [
[
{
"node": "Respond",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
}
}
About this workflow
obs-logs. Uses httpRequest, respondToWebhook. Webhook trigger; 3 nodes.
Source: https://github.com/amtalsi/observability-ia/blob/70556e2b251697fe847069a0d0eb7a3769484f54/n8n-workflows/logs.json — original creator credit. Request a take-down →