56 lines
1.3 KiB
Text
56 lines
1.3 KiB
Text
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#!/usr/bin/env python3
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from datetime import datetime
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from subprocess import check_output
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from sys import exit
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# get wireguard interface names
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try:
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interfaces = check_output(['wg', 'show', 'interfaces']).split()
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except Exception as e:
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print('UNKNOWN: ' + repr(e))
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exit(3)
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if len(interfaces) == 0:
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print('CRITICAL: no wireguard interfaces found!')
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exit(0)
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now = datetime.timestamp(datetime.now())
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warn = set()
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critical = set()
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for interface in interfaces:
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try:
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result = check_output(['wg', 'show', interface, 'latest-handshakes']).decode('utf-8').split('\n')
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except Exception as e:
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critical.add('{}: {}'.format(interface, repr(e)))
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continue
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for line in result:
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if len(line) == 0:
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continue
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pubkey, last_handshake = line.split()
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overdue = now - int(last_handshake) - 120
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if overdue > 15:
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critical.add('{}: {} is more than 120 seconds late'.format(interface, pubkey))
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elif overdue > 120:
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warn.add('{}: {} is more than 15 seconds late'.format(interface, pubkey))
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for line in sorted(critical):
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print(line)
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for line in sorted(warn):
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print(line)
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if len(critical):
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exit(2)
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elif len(warn):
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exit(1)
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else:
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print('OK')
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exit(0)
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