Nettoyage automatique du disque via des alertes par e-mail - Workflow de suppression des journaux du serveur
Ceci est unDevOpsworkflow d'automatisation du domainecontenant 8 nœuds.Utilise principalement des nœuds comme Set, Ssh, Code, EmailReadImap. viaSSHete-mail警报实现Nginx、Dockeret系统日志deautomatisation清理
- •Aucun prérequis spécial, prêt à l'emploi après importation
Nœuds utilisés (8)
Catégorie
{
"id": "4Y5VQwUUo7uqPPL1",
"meta": {
"instanceId": "dd69efaf8212c74ad206700d104739d3329588a6f3f8381a46a481f34c9cc281",
"templateCredsSetupCompleted": true
},
"name": "Auto Disk Cleanup via Email Alert – Server Log Purge Workflow",
"tags": [],
"nodes": [
{
"id": "8c1aac94-9e6a-4b14-a177-3a00644ea232",
"name": "Vérifier les Emails d'Alerte Disque",
"type": "n8n-nodes-base.emailReadImap",
"position": [
0,
0
],
"parameters": {
"options": {
"customEmailConfig": "[\"UNSEEN\", [\"SUBJECT\", \"disk\"]]"
}
},
"credentials": {
"imap": {
"id": "D3nLrSlP1dHWcIDE",
"name": "IMAP account"
}
},
"typeVersion": 2
},
{
"id": "025c2c15-f693-4b53-8433-4d641526d11a",
"name": "Extraire l'IP du Serveur de l'Email",
"type": "n8n-nodes-base.code",
"position": [
220,
0
],
"parameters": {
"jsCode": "const subject = $input.first().json.subject;\n\nif (subject && (subject.toLowerCase().includes(\"disk-utilization\") || subject.toLowerCase().includes(\"disk utilization\"))) {\n const ipMatch = subject.match(/(\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}):9100/);\n const server_ip = ipMatch ? ipMatch[1] : '';\n return [{ json: { server_ip } }];\n} else {\n // Stop workflow if subject doesn't match\n return [];\n}"
},
"typeVersion": 2
},
{
"id": "723c7067-fe88-4b8b-b1ff-38c9eb662641",
"name": "Préparer les Variables SSH",
"type": "n8n-nodes-base.set",
"position": [
440,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "49c16fb1-4b84-46a7-bb50-5e1fa7f59664",
"name": "pwd",
"type": "string",
"value": "password"
},
{
"id": "c16557bd-7ef6-4049-a634-a5b207a92fd6",
"name": "server_user",
"type": "string",
"value": "user"
},
{
"id": "fd8c4253-8ab2-4094-9a72-78ef782d89d3",
"name": "server_ip",
"type": "string",
"value": "={{ $input.first().json.server_ip }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "7ef2b2b6-5880-4fc1-93fa-b76c3c75effa",
"name": "Exécuter les Commandes de Nettoyage via SSH",
"type": "n8n-nodes-base.ssh",
"position": [
660,
0
],
"parameters": {
"command": "=echo '{{ $json.pwd }}' | sudo -S su - jenkins -c \"ssh {{ $json.server_user }}@{{ $json.server_ip }} 'sudo rm -rf /var/log/*.gz && sudo rm -rf /var/log/*.1 && sudo rm -rf /var/log/nginx/*.log && sudo rm -rf /var/log/apache2/*.log && sudo journalctl --vacuum-size=200M && sudo apt-get clean && sudo apt-get autoclean && docker builder prune -af && docker system df && sudo apt-get autoremove -y'\""
},
"credentials": {
"sshPassword": {
"id": "e5pmM8y0fJOZytlE",
"name": "Jenkins Server SSH"
}
},
"typeVersion": 1
},
{
"id": "0935c618-237c-4630-9087-80b757a78a9c",
"name": "Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-20,
-140
],
"parameters": {
"width": 160,
"height": 300,
"content": "Triggers when an alert email about disk usage is received.\n"
},
"typeVersion": 1
},
{
"id": "d4efc5ab-9003-4d42-a49c-6ac4c376c9cb",
"name": "Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
180,
-140
],
"parameters": {
"color": 3,
"width": 170,
"height": 300,
"content": "Parses the email body to extract the target server's IP address.\n"
},
"typeVersion": 1
},
{
"id": "adf3341f-4319-40cc-bf97-8917a2bb5c44",
"name": "Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
400,
-140
],
"parameters": {
"color": 4,
"width": 170,
"height": 300,
"content": "Manually set or map credentials, paths, or other config values.\n"
},
"typeVersion": 1
},
{
"id": "4c933879-5907-4616-8902-42cfb2d73edc",
"name": "Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
620,
-140
],
"parameters": {
"color": 6,
"width": 170,
"height": 300,
"content": "Executes cleanup commands (Nginx, PM2, Docker, system logs).\n\n"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "fbb7d480-4bbd-4240-9e95-459b563adba4",
"connections": {
"723c7067-fe88-4b8b-b1ff-38c9eb662641": {
"main": [
[
{
"node": "7ef2b2b6-5880-4fc1-93fa-b76c3c75effa",
"type": "main",
"index": 0
}
]
]
},
"8c1aac94-9e6a-4b14-a177-3a00644ea232": {
"main": [
[
{
"node": "025c2c15-f693-4b53-8433-4d641526d11a",
"type": "main",
"index": 0
}
]
]
},
"025c2c15-f693-4b53-8433-4d641526d11a": {
"main": [
[
{
"node": "723c7067-fe88-4b8b-b1ff-38c9eb662641",
"type": "main",
"index": 0
}
]
]
}
}
}Comment utiliser ce workflow ?
Copiez le code de configuration JSON ci-dessus, créez un nouveau workflow dans votre instance n8n et sélectionnez "Importer depuis le JSON", collez la configuration et modifiez les paramètres d'authentification selon vos besoins.
Dans quelles scénarios ce workflow est-il adapté ?
Intermédiaire - DevOps
Est-ce payant ?
Ce workflow est entièrement gratuit et peut être utilisé directement. Veuillez noter que les services tiers utilisés dans le workflow (comme l'API OpenAI) peuvent nécessiter un paiement de votre part.
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