libvirt-guests-delayed

Autostart libvirt guests at boot with a delay.

Installation via PPA for Ubuntu

• Add ppa to your system and install package

  sudo add-apt-repository ppa:sgallet/libvirt-guests-delayed

  sudo apt update

  sudo apt install libvirt-guests-delayed

And use it

Installation for Debian/Ubuntu

• Copy guests_delayed.py to /usr/lib/libvirt

• Make it executable

• Copy libvirt-guests-delayed.service to /etc/systemd/system

• Enable it to start it at boot

  systemctl enable libvirt-guests-delayed.service

And use it

Use it

• Create or update the configuration file in /etc/libvirt/guests_delayed.conf

  guest1 800
  guest2 500
  guest3 120

• Remove autostart in the configuration of guests you want to delay

  virsh autostart guest1 --disable
  virsh autostart guest2 --disable
  virsh autostart guest3 --disable

• Reboot your host to try it

• Check status after restarting

  systemctl status libvirt-guests-delayed

  ● libvirt-guests-delayed.service - Running libvirt delayed Guests
  

  Loaded: loaded (/etc/systemd/system/libvirt-guests-delayed.service; enabled; vendor preset: enabled)
  Active: active (exited) since Thu 2024-08-01 23:27:59 CEST; 16min ago
  Process: 70440 ExecStart=/usr/lib/libvirt/guests_delayed.py (code=exited, status=0/SUCCESS)
  Main PID: 70440 (code=exited, status=0/SUCCESS)
  

  
  août 01 23:27:59 xxxxxxxx systemd[1]: Started Running libvirt delayed Guests.
  août 01 23:27:59 xxxxxxxx guests_delayed[70440]: Found configuration : [['guest1', '800'], ['guest2', '500'], ['guest3', '120']]
  août 01 23:27:59 xxxxxxxx guests_delayed[70440]: Found inactive guests : ['guest1', 'guest2', 'guest3', 'guest4']
  août 01 23:27:59 xxxxxxxx guests_delayed[70440]: Schedule start of guest1 in 800 seconds
  août 01 23:27:59 xxxxxxxx guests_delayed[70440]: Schedule start of guest2 in 500 seconds
  août 01 23:27:59 xxxxxxxx guests_delayed[70440]: Schedule start of guest3 in 120 seconds
  août 01 23:29:59 xxxxxxxx guests_delayed[70440]: Start guest guest3
  août 01 23:32:59 xxxxxxxx guests_delayed[70440]: Start guest guest2
  août 01 23:41:19 xxxxxxxx guests_delayed[70440]: Start guest guest1
  août 01 23:41:21 xxxxxxxx guests_delayed[70440]: All delayed guests started

• If something went wrong when starting guests, unit will enter in fail mode

• If you want to stop startup process of guests, stop the service

  systemctl stop libvirt-guests-delayed

Others linux

You need to update the paths in script and systemd service according to your distribution