158 lines
4.2 KiB
Python
Executable file
158 lines
4.2 KiB
Python
Executable file
#!/usr/bin/python3
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import datetime
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import json
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import os
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import requests
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import psutil
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import time
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# CPU usage threshold in percent
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CPU_THRESHOLD = 35
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# Memory usage threshold in GB
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MEMORY_THRESHOLD = 2.75
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# Disk usage threshold in GB
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DISK_LOCAL_THRESHOLD = 25
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DISK_SMB_THRESHOLD = 120
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# Time in seconds between each check
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MONITORING_INTERVAL = 30
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# Discord Webhook URL
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WEBHOOK_URL = os.environ["WEBHOOK_URL"]
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# Minimum delay in seconds between alerts for a resource
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WEBHOOK_INTERVAL = 600
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def send_webhook(title, description):
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print(f'Sending Webhook with title "{title}".')
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data = {
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"username": "System Monitoring",
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"embeds": [
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{
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"title": title,
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"description": description,
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"timestamp": datetime.datetime.now(datetime.UTC).isoformat(),
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}
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],
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}
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requests.post(
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WEBHOOK_URL, data=json.dumps(data), headers={"Content-Type": "application/json"}
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)
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def check_cpu():
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cpu_percent = psutil.cpu_percent(interval=None)
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if (
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round(cpu_percent) > CPU_THRESHOLD
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and (time.time() - check_cpu.last_alert) > WEBHOOK_INTERVAL
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):
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check_cpu.last_alert = time.time()
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send_webhook(
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"CPU Usage Alert",
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f"Average CPU usage over last {MONITORING_INTERVAL} seconds is past threshold of {CPU_THRESHOLD}%.\nCurrent usage: {cpu_percent}%.",
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)
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return f"{cpu_percent}%"
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check_cpu.last_alert = 0
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def check_memory():
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memory_info = psutil.virtual_memory()
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memory_used_bytes = memory_info.used
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memory_total_bytes = memory_info.total
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memory_used_gb = round(memory_used_bytes / (1024 * 1024 * 1024), 2)
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memory_total_gb = round(memory_total_bytes / (1024 * 1024 * 1024), 2)
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if (
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memory_used_gb > MEMORY_THRESHOLD
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and (time.time() - check_memory.last_alert) > WEBHOOK_INTERVAL
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):
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check_memory.last_alert = time.time()
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send_webhook(
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"Memory Usage Alert",
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f"Memory usage is past threshold of {MEMORY_THRESHOLD} GB.\nCurrent usage: {memory_used_gb} GB / {memory_total_gb} GB.",
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)
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return f"{memory_used_gb} GB / {memory_total_gb} GB"
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check_memory.last_alert = 0
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def check_local_disk():
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disk_info = psutil.disk_usage("/")
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disk_used_bytes = disk_info.used
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disk_total_bytes = disk_info.total
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disk_used_gb = round(disk_used_bytes / (1024 * 1024 * 1024), 2)
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disk_total_gb = round(disk_total_bytes / (1024 * 1024 * 1024), 2)
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if (
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disk_used_gb > DISK_LOCAL_THRESHOLD
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and (time.time() - check_local_disk.last_alert) > WEBHOOK_INTERVAL
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):
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check_local_disk.last_alert = time.time()
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send_webhook(
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"Local Disk Usage Alert",
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f"Local disk used space is past threshold of {DISK_LOCAL_THRESHOLD} GB.\nCurrent used space: {disk_used_gb} GB / {disk_total_gb} GB.",
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)
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return f"{disk_used_gb} GB / {disk_total_gb} GB"
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check_local_disk.last_alert = 0
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def check_smb_disk():
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disk_info = psutil.disk_usage("/mnt/storagebox")
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disk_used_bytes = disk_info.used
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disk_total_bytes = disk_info.total
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disk_used_gb = round(disk_used_bytes / (1024 * 1024 * 1024), 2)
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disk_total_gb = round(disk_total_bytes / (1024 * 1024 * 1024), 2)
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if (
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disk_used_gb > DISK_SMB_THRESHOLD
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and (time.time() - check_smb_disk.last_alert) > WEBHOOK_INTERVAL
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):
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check_smb_disk.last_alert = time.time()
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send_webhook(
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"SMB Disk Usage Alert",
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f"SMB disk used space is past threshold of {DISK_SMB_THRESHOLD} GB.\nCurrent used space: {disk_used_gb} GB / {disk_total_gb} GB.",
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)
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return f"{disk_used_gb} GB / {disk_total_gb} GB"
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check_smb_disk.last_alert = 0
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def monitor():
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print(f"Refreshing every {MONITORING_INTERVAL} seconds.")
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while True:
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cpu_usage = check_cpu()
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memory_usage = check_memory()
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disk_local_usage = check_local_disk()
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disk_smb_usage = check_smb_disk()
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print(
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f"CPU usage: {cpu_usage}, Memory usage: {memory_usage}, Disk usage: Local = {disk_local_usage}, SMB = {disk_smb_usage}\r",
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end="\r",
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)
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time.sleep(MONITORING_INTERVAL)
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if __name__ == "__main__":
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monitor()
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