Enviar alertas de fallos de ejecución de n8n a un canal de Slack
Este es unDevOpsflujo de automatización del dominio deautomatización que contiene 10 nodos.Utiliza principalmente nodos como N8n, Set, Code, Slack, Aggregate. Monitoreo automatizado de errores de n8n cada hora con notificaciones de Slack
- •Bot Token de Slack o URL de Webhook
Nodos utilizados (10)
Categoría
{
"id": "7gbO6txgnBCmDw7c",
"meta": {
"instanceId": "3a51cf8d97711c544e4f2cb09ef2b6ab8c441b10f29e0911311ba2722a967418",
"templateCredsSetupCompleted": true
},
"name": "Send n8n failed execution alerts to a Slack channel",
"tags": [],
"nodes": [
{
"id": "45a1993e-1a89-4077-b258-75c8d4e74bbb",
"name": "Disparador programado",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
900,
460
],
"parameters": {
"rule": {
"interval": [
{
"field": "hours"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "3491cecc-6ffc-4798-a5f4-a6230408010b",
"name": "GetWorkflows",
"type": "n8n-nodes-base.n8n",
"position": [
1360,
460
],
"parameters": {
"filters": {
"activeWorkflows": true
},
"requestOptions": {}
},
"credentials": {
"n8nApi": {
"id": "w9AYm4viCKUSl2da",
"name": "N8N"
}
},
"typeVersion": 1
},
{
"id": "4f10d86d-1410-45c6-892a-e113fd4cb2b3",
"name": "Loop",
"type": "n8n-nodes-base.splitInBatches",
"position": [
1580,
460
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "b06a9bcb-4fc6-488c-bb3e-7cf1f81547ca",
"name": "n8n",
"type": "n8n-nodes-base.n8n",
"position": [
1780,
520
],
"parameters": {
"limit": 1,
"filters": {
"status": "error",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $json.id }}"
}
},
"options": {
"activeWorkflows": false
},
"resource": "execution",
"requestOptions": {}
},
"credentials": {
"n8nApi": {
"id": "w9AYm4viCKUSl2da",
"name": "N8N"
}
},
"typeVersion": 1,
"alwaysOutputData": true
},
{
"id": "9012633d-3dcd-4bf5-9645-b90e51129a35",
"name": "Agregar",
"type": "n8n-nodes-base.aggregate",
"position": [
2000,
520
],
"parameters": {
"options": {},
"aggregate": "aggregateAllItemData"
},
"typeVersion": 1
},
{
"id": "fd91c759-7ee6-45d8-96dd-91eabeb38796",
"name": "MakeMessage",
"type": "n8n-nodes-base.code",
"position": [
1780,
360
],
"parameters": {
"jsCode": "const list = $input.all().map(item => item.json);\nconsole.log(list)\nlet blocks = [];\n\nfor (const item of list) {\n if(item.qtdErrors > 0){\n console.log(item)\n blocks.push({\n\t\t\t\"type\": \"section\",\n\t\t\t\"text\": {\n\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\"text\": `:aviso: *${item.workflowName}*\\n *${item.qtdErrors}* errors found in the last run`\n\t\t\t},\n\t\t\t\"accessory\": {\n\t\t\t\t\"type\": \"button\",\n\t\t\t\t\"text\": {\n\t\t\t\t\t\"type\": \"plain_text\",\n\t\t\t\t\t\"text\": \"Vizualize\",\n\t\t\t\t\t\"emoji\": true\n\t\t\t\t},\n\t\t\t\t\"value\": \"click_me_123\",\n\t\t\t\t\"url\": `${item.url}`,\n\t\t\t\t\"action_id\": \"button-action\"\n\t\t\t}\n\t\t})\n }\n}\n\nif(blocks.length > 0){\n return {\n blocks: blocks\n };\n}else{\n return null\n}\n"
},
"typeVersion": 2
},
{
"id": "51db21fc-6bf1-4652-944f-a00f15f492b5",
"name": "FiltrarLastHour",
"type": "n8n-nodes-base.code",
"position": [
2220,
520
],
"parameters": {
"jsCode": "const list = $(\"Aggregate\").last().json.data;\n\nconst lastHour = new Date();\nlastHour.setHours(lastHour.getHours() - 1);\n\n\nconst executionsLastHour = list.filter(execution => {\n const dataStoppedAt = new Date(execution.stoppedAt);\n\n return dataStoppedAt > lastHour;\n});\n\nif (executionsLastHour.length > 0) {\n console.log(`Foram encontrados ${executionsLastHour.length} itens da última hora.`);\n} else {\n console.log(\"Nenhum item da última hora foi encontrado.\");\n}\n\nreturn {\n workflowId: $(\"Loop\").last().json.id,\n workflowName: $(\"Loop\").last().json.name,\n qtdErrors: executionsLastHour.length,\n url: $(\"Config\").last().json.urlBase + $(\"Loop\").last().json.id\n}"
},
"typeVersion": 2
},
{
"id": "93684cff-609d-4b10-b375-d01724f03a42",
"name": "Nota adhesiva",
"type": "n8n-nodes-base.stickyNote",
"position": [
900,
240
],
"parameters": {
"width": 360,
"height": 200,
"content": "## Slack - Errors last 60 minutes\n\nThis workflow's objective is to monitor for errors and notify via Slack which workflows had failed executions in the last hour, providing a simple table with the ID, name, and error count.\n\nLinkedin: https://www.linkedin.com/in/matheus-pedrosa-custodio/"
},
"typeVersion": 1
},
{
"id": "c11de8c2-1478-49ff-93a8-9cfeacb58507",
"name": "Slack",
"type": "n8n-nodes-base.slack",
"position": [
2000,
360
],
"parameters": {
"text": "=",
"user": {
"__rl": true,
"mode": "list",
"value": "U05FMSA2610",
"cachedResultName": "matheus.custodio"
},
"select": "user",
"blocksUi": "={{ $json }}",
"messageType": "block",
"otherOptions": {},
"authentication": "oAuth2"
},
"credentials": {
"slackOAuth2Api": {
"id": "dtoLOhzSRbL2Pte5",
"name": "Slack Automacao"
}
},
"typeVersion": 2.2
},
{
"id": "28c56721-55d9-448a-8311-57413b0deb84",
"name": "Config",
"type": "n8n-nodes-base.set",
"position": [
1140,
460
],
"parameters": {
"mode": "raw",
"options": {},
"jsonOutput": "{\n \"urlBase\": \"https://n8n.com/workflow/\"\n}\n"
},
"typeVersion": 3.4
}
],
"active": false,
"pinData": {},
"settings": {
"timezone": "America/Sao_Paulo",
"callerPolicy": "workflowsFromSameOwner",
"executionOrder": "v1",
"executionTimeout": -1,
"saveManualExecutions": true
},
"versionId": "b71a7834-6b2b-46df-8c1e-911d15b7a3c3",
"connections": {
"b06a9bcb-4fc6-488c-bb3e-7cf1f81547ca": {
"main": [
[
{
"node": "Aggregate",
"type": "main",
"index": 0
}
]
]
},
"4f10d86d-1410-45c6-892a-e113fd4cb2b3": {
"main": [
[
{
"node": "fd91c759-7ee6-45d8-96dd-91eabeb38796",
"type": "main",
"index": 0
}
],
[
{
"node": "b06a9bcb-4fc6-488c-bb3e-7cf1f81547ca",
"type": "main",
"index": 0
}
]
]
},
"28c56721-55d9-448a-8311-57413b0deb84": {
"main": [
[
{
"node": "3491cecc-6ffc-4798-a5f4-a6230408010b",
"type": "main",
"index": 0
}
]
]
},
"Aggregate": {
"main": [
[
{
"node": "FilterLastHour",
"type": "main",
"index": 0
}
]
]
},
"fd91c759-7ee6-45d8-96dd-91eabeb38796": {
"main": [
[
{
"node": "c11de8c2-1478-49ff-93a8-9cfeacb58507",
"type": "main",
"index": 0
}
]
]
},
"3491cecc-6ffc-4798-a5f4-a6230408010b": {
"main": [
[
{
"node": "4f10d86d-1410-45c6-892a-e113fd4cb2b3",
"type": "main",
"index": 0
}
]
]
},
"FilterLastHour": {
"main": [
[
{
"node": "4f10d86d-1410-45c6-892a-e113fd4cb2b3",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "28c56721-55d9-448a-8311-57413b0deb84",
"type": "main",
"index": 0
}
]
]
}
}
}¿Cómo usar este flujo de trabajo?
Copie el código de configuración JSON de arriba, cree un nuevo flujo de trabajo en su instancia de n8n y seleccione "Importar desde JSON", pegue la configuración y luego modifique la configuración de credenciales según sea necesario.
¿En qué escenarios es adecuado este flujo de trabajo?
Intermedio - DevOps
¿Es de pago?
Este flujo de trabajo es completamente gratuito, puede importarlo y usarlo directamente. Sin embargo, tenga en cuenta que los servicios de terceros utilizados en el flujo de trabajo (como la API de OpenAI) pueden requerir un pago por su cuenta.
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Matheus Pedrosa
@julinhoI am a software engineer specializing in automations, with extensive experience on the N8N platform. With solid skills in JavaScript, Go, .NET, and C#, I am equipped to develop efficient and scalable solutions.
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