apc_snmp_shutdown/shutdown_ups.py
2024-08-13 04:49:09 +03:00

70 lines
2.5 KiB
Python

#!/usr/bin/env python3
import subprocess
import time
import requests
import socket
import os
ups_ip = "10.31.41.46"
time_threshold = 4
interval = 20
def parse_time(time_str):
try:
time_parts = time_str.split(":")[-4:]
days = int(time_parts[0])
hours = int(time_parts[1])
minutes = int(time_parts[2])
seconds = float(time_parts[3])
total_minutes = (days * 24 * 60) + (hours * 60) + minutes + (int(seconds // 60))
return total_minutes
except:
return False
def send_email(recipient, subject, body, sender):
email_message = f"Subject: {subject}\nFrom: {sender}\nTo: {recipient}\n\n{body}"
process = os.popen('/usr/sbin/sendmail -t', 'w')
process.write(email_message)
process.close()
def parse_states(states_str):
if len(states_str) < 2: return "Invalid input"
second_char = states_str[1]
if second_char == '0': return "on-line"
elif second_char == '1': return "on-battery"
else: return "Invalid input"
def run_command(command):
result = subprocess.run(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
return result.stdout.strip()
def main():
while True:
oid_on_battery_time = "1.3.6.1.4.1.318.1.1.1.2.2.3.0"
result = run_command(f'/usr/bin/snmpget -v2c -O v -O q -c public {ups_ip} {oid_on_battery_time}')
time_on_battery = parse_time(result)
oid_states = "1.3.6.1.4.1.318.1.1.1.11.1.1.0"
result = run_command(f'/usr/bin/snmpget -v2c -O v -O q -c public {ups_ip} {oid_states}')
state = parse_states(result.strip('"'))
print(f"Time on battery: {time_on_battery} minutes, State: {state}", flush=True)
if time_on_battery != False and time_on_battery < time_threshold:
if state == "on-battery":
shutdown_status = run_command('shutdown --show 2>&1')
if "No scheduled shutdown" in shutdown_status:
print("UPS is failing, shutting down in 60 seconds...", flush=True)
send_email(f"{socket.gethostname()}@vvzvlad.xyz", "UPS is failing, shutting down in 60 seconds...", f"Proxmox node '{socket.gethostname()}': UPS is failing, shutting down in 60 seconds...", f"{socket.gethostname()}@vvzvlad.xyz")
run_command('sudo shutdown -h 1 "Shutting down due to UPS failure"')
if state == "on-battery":
time.sleep(5)
else:
time.sleep(interval)
if __name__ == "__main__":
print("Starting UPS monitoring...", flush=True)
main()