Automatische Bereinigung des Speicherplatzes per E-Mail-Warnung - Server-Log-Löschung Workflow
Dies ist ein DevOps-Bereich Automatisierungsworkflow mit 8 Nodes. Hauptsächlich werden Set, Ssh, Code, EmailReadImap und andere Nodes verwendet. Automatisierte Bereinigung von Nginx, Docker und Systemlogs durch SSH und E-Mail-Alarme
- •Keine besonderen Voraussetzungen, sofort nach Import nutzbar
Verwendete Nodes (8)
Kategorie
{
"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": "E-Mails mit Festplattenwarnungen prüfen",
"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": "Server-IP aus E-Mail extrahieren",
"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": "SSH-Variablen vorbereiten",
"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": "Protokollbereinigung über SSH ausführen",
"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": "Kurznotiz",
"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": "Kurznotiz1",
"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": "Kurznotiz2",
"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": "Kurznotiz3",
"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
}
]
]
}
}
}Wie verwende ich diesen Workflow?
Kopieren Sie den obigen JSON-Code, erstellen Sie einen neuen Workflow in Ihrer n8n-Instanz und wählen Sie "Aus JSON importieren". Fügen Sie die Konfiguration ein und passen Sie die Anmeldedaten nach Bedarf an.
Für welche Szenarien ist dieser Workflow geeignet?
Fortgeschritten - DevOps
Ist es kostenpflichtig?
Dieser Workflow ist völlig kostenlos. Beachten Sie jedoch, dass Drittanbieterdienste (wie OpenAI API), die im Workflow verwendet werden, möglicherweise kostenpflichtig sind.
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