mirror of
https://github.com/jokob-sk/NetAlertX.git
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CHECKMK script
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74
scripts/checkmk/script.py
Executable file
74
scripts/checkmk/script.py
Executable file
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YABin
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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NetAlertX-New-Devices-Checkmk-Script
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Dieses Skript ruft die Liste aller Devices aus NetAlertX ab, indem es innerhalb
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des Docker-Containers "NetAlertX" die Datei /app/api/table_devices.json ausliest.
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Anschließend wird geprüft, ob neue Geräte vorhanden sind (devIsNew == 1).
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Falls ja, wird ein Warning-Zustand gemeldet, sonst OK.
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Checkmk-Local-Check-Format:
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<status> <service_name> <perfdata> <message>
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Siehe: https://docs.checkmk.com/latest/de/localchecks.html
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"""
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import subprocess
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import json
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def check_new_devices():
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try:
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# Rufe die JSON-Datei aus dem Docker-Container ab
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result = subprocess.run(
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['docker', 'exec', 'NetAlertX', 'cat', '/app/api/table_devices.json'],
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capture_output=True,
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text=True,
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check=True
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)
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data_str = result.stdout
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except subprocess.CalledProcessError as e:
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# Wenn der Docker-Command fehlschlägt -> UNKNOWN (3)
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print(f"3 NetAlertX_New_Devices - UNKNOWN - Docker command failed: {e}")
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return
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except Exception as e:
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# Allgemeiner Fehler -> UNKNOWN
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print(f"3 NetAlertX_New_Devices - UNKNOWN - Error while running docker command: {e}")
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return
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# JSON-Daten laden
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try:
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data = json.loads(data_str)
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except json.JSONDecodeError as e:
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# Wenn das JSON nicht gelesen werden kann -> UNKNOWN
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print(f"3 NetAlertX_New_Devices - UNKNOWN - JSON decode error: {e}")
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return
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# Prüfen, ob das 'data'-Attribut vorhanden ist
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if "data" not in data:
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print("3 NetAlertX_New_Devices - UNKNOWN - Unexpected JSON format (no 'data' key).")
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return
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new_devices = []
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for device in data["data"]:
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# Prüfen, ob das Attribut 'devIsNew' existiert und == 1 ist
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if "devIsNew" in device and device["devIsNew"] == 1:
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new_devices.append(device)
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# Wenn keine neuen Geräte gefunden
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if len(new_devices) == 0:
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# Status 0 = OK
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print("0 NetAlertX_New_Devices - OK - No new devices found")
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else:
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# Status 1 = WARNING
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device_list_str = ", ".join(
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f"{dev.get('devName', 'UnknownName')}({dev.get('devMac', 'UnknownMAC')}) IP:{dev.get('devLastIP', 'UnknownIP')}"
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for dev in new_devices
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)
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print(f"1 NetAlertX_New_Devices - WARNING - Found {len(new_devices)} new device(s): {device_list_str}")
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if __name__ == "__main__":
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check_new_devices()
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