systemd¶
Helper module for systemd service readiness notification.
- oslo_service.systemd.notify()¶
Send notification to Systemd that service is ready.
For details see http://www.freedesktop.org/software/systemd/man/sd_notify.html
- oslo_service.systemd.notify_once()¶
Send notification once to Systemd that service is ready.
Systemd sets NOTIFY_SOCKET environment variable with the name of the socket listening for notifications from services. This method removes the NOTIFY_SOCKET environment variable to ensure notification is sent only once.
- oslo_service.systemd.onready(notify_socket, timeout)¶
Wait for systemd style notification on the socket.
- Parameters:
notify_socket (string) – local socket address
timeout (float) – socket timeout
- Returns:
0 service ready 1 service not ready 2 timeout occurred
