57 lines
2.2 KiB
Python
57 lines
2.2 KiB
Python
#!/usr/bin/env python3
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import argparse
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import datetime
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import sys
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import time
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import traceback
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import humanize
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from checker import nagios
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from checker.result import quit_check
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sys.path.insert(0, "/usr/lib/python3/dist-packages")
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import dbus
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def check_timer(timer_name):
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try:
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system_bus = dbus.SystemBus()
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systemd1 = system_bus.get_object('org.freedesktop.systemd1', '/org/freedesktop/systemd1')
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manager = dbus.Interface(systemd1, 'org.freedesktop.systemd1.Manager')
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timer_unit_path = manager.GetUnit(timer_name)
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timer_unit = system_bus.get_object('org.freedesktop.systemd1', timer_unit_path)
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timer_properties = dbus.Interface(timer_unit, 'org.freedesktop.DBus.Properties')
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active_state = timer_properties.Get('org.freedesktop.systemd1.Unit', 'ActiveState')
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if active_state == 'active':
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next_elapse = timer_properties.Get('org.freedesktop.systemd1.Timer', 'NextElapseUSecRealtime')
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current_time = time.time() * 1e6 # convert current time to microseconds
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remaining_time_sec = int((next_elapse - current_time) / 1e6) # convert remaining time to seconds
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remaining_time_human = str(humanize.naturaltime(datetime.datetime.now() + datetime.timedelta(seconds=remaining_time_sec))).strip(' from now')
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perfdata_dict = {
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'remaining_time': {
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'value': remaining_time_sec,
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'unit': 's',
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'min': 0
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}
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}
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quit_check(f'{timer_name} is active. Remaining time: {remaining_time_human}.', nagios.STATE_OK, perfdata_dict)
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else:
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quit_check(f'{timer_name} is not active.', nagios.STATE_CRIT)
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except dbus.exceptions.DBusException as e:
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quit_check(f'{timer_name} could not be found.', nagios.STATE_UNKNOWN)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('-t', '--timer', required=True, help='The name of the timer to check')
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args = parser.parse_args()
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try:
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check_timer(args.timer)
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except Exception as e:
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print(f'UNKNOWN - exception "{e}"')
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traceback.print_exc()
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sys.exit(nagios.STATE_UNKNOWN)
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