sd_notify

Simple sd_notify(3) client functionality implemented in Python 3.

Usage:

notify = Notifier()
if not notify.enabled():
    raise Exception("Watchdog not enabled")

notify.status("Starting things up...")
time.sleep(3)

notify.ready() # Init complete
notify.status("Waiting for requests...")
time.sleep(3)

notify.notify_error("Making the program quit with error!")
# systemd will kill the program here
time.sleep(3)

Author: stig@stigok.com Dec 2019

Reference

<class 'sd_notify.Notifier'>

_send(msg)

Send string msg as bytes on the notification socket

enabled()

Return a boolean stating whether watchdog is enabled

notify()

Report a healthy service state

notify_error(msg=None)

Report a watchdog error. This program will likely be killed by the service manager.

If msg is not None, it will be reported as an error message to the service manager.

ready()

Report ready service state, i.e. completed initialisation

status(msg)

Set a service status message