vvzvlad/apc_snmp_shutdown
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refactoring

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vvzvlad 2024-08-13 18:32:24 +03:00
parent 4bb0fb0a4f
commit 330105a5a4
1 changed files with 68 additions and 31 deletions
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99
shutdown_ups.py
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@ -1,25 +1,31 @@
#!/usr/bin/env python3
import subprocess
import time
import requests
import socket
import os
ups_ip = "10.31.41.46"
time_threshold = 6
interval = 60
UPS_IP = "10.31.41.46"
TIME_THRESHOLD = 6
INTERVAL_LINE = 60
INTERVAL_BATTERY = 5
OID_ON_BATTERY_TIME = "1.3.6.1.4.1.318.1.1.1.2.2.3.0"
OID_STATES = "1.3.6.1.4.1.318.1.1.1.11.1.1.0"
OID_BATTERY_PERCENT = "1.3.6.1.4.1.318.1.1.1.2.2.1.0"
def parse_time(time_str):
if time_str == "" or time_str is None:
return None
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
return (days * 24 * 60) + (hours * 60) + minutes + (int(seconds // 60))
except Exception as e:
print(f"Error parsing time: {e}")
return None
def send_email(recipient, subject, body, sender):
email_message = f"Subject: {subject}\nFrom: {sender}\nTo: {recipient}\n\n{body}"
@ -27,44 +33,75 @@ def send_email(recipient, subject, body, sender):
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"
states_str = states_str.strip('"')
if states_str == "": return "Invalid input"
if len(states_str) < 64: return "Invalid input"
if states_str[1] == '0': return "on-line"
if states_str[1] == '1': return "on-battery"
return "Invalid input"
def run_command(command):
result = subprocess.run(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
result = subprocess.run(f"{command}", shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True, check=False)
data = result.stdout.strip()
if "No such file or directory" in data:
print(f"Error: {data}", flush=True)
return None
return result.stdout.strip()
def snmp_get(oid):
result = run_command(f'/usr/bin/snmpget -v2c -O v -O q -c public {UPS_IP} {oid}')
if result is None or result == "":
return None
if "Timeout" in result:
print(f"UPS {UPS_IP} OID {oid} is unreachable, skipping...", flush=True)
return None
if "No Such Instance" in result:
print(f"UPS {UPS_IP} OID {oid} not found, skipping...", flush=True)
return None
if "No Such Object" in result:
print(f"UPS {UPS_IP} OID {oid} not found, skipping...", flush=True)
return None
if "No response" in result:
print(f"UPS {UPS_IP} OID {oid} not response, skipping...", flush=True)
return None
return result
def main():
state = "on-line"
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}')
if state == "on-battery": time.sleep(INTERVAL_BATTERY)
if state == "on-line": time.sleep(INTERVAL_LINE)
result = snmp_get(OID_ON_BATTERY_TIME)
if result is None: continue
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('"'))
result = snmp_get(OID_STATES)
if result is None: continue
state = parse_states(result)
print(f"Time on battery: {time_on_battery} minutes, State: {state}", flush=True)
result = snmp_get(OID_BATTERY_PERCENT)
if result is None: continue
battery_percent = int(result)
shutdown_status = run_command('shutdown --show 2>&1')
print(f"UPS percent: {battery_percent}, time on battery: {time_on_battery} minutes, state: {state}", flush=True)
if (state == "on-battery") and (time_on_battery > time_threshold) and ("No scheduled shutdown" in shutdown_status):
shutdown_status = run_command('shutdown --show')
if (state == "on-battery") and (time_on_battery > TIME_THRESHOLD) and ("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 3 "Shutting down due to UPS failure"')
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('shutdown -h 3 "Shutting down due to UPS failure"')
if (state == "on-line") and ("Shutdown scheduled" in shutdown_status):
print("UPS is back online, cancelling shutdown...", flush=True)
run_command('sudo shutdown -c')
if state == "on-battery":
time.sleep(5)
else:
time.sleep(interval)
run_command('shutdown -c')
if __name__ == "__main__":
print("Starting UPS monitoring...", flush=True)