pyinfra-lxd/files/lxd-containers-upgrade.sh

#!/usr/bin/env bash
set -euo pipefail

for i in $(lxc list --format csv -c n); do
  lxc snapshot "$i"
  if lxc exec "$i" -- which apt >/dev/null 2>&1; then
    echo "Upgrading Debian/Ubuntu $i"
    lxc exec "$i" -- apt update
    lxc exec "$i" -- apt upgrade -y
  fi
  if lxc exec "$i" -- which pacman >/dev/null 2>&1; then
    echo "Upgrading ArchLinux $i"
    lxc exec "$i" -- sudo -u benpro yay -Sc --noconfirm
    lxc exec "$i" -- sudo -u benpro yay -Syu --noconfirm
  fi
  if lxc exec "$i" -- which apk >/dev/null 2>&1; then
    echo "Upgrading Alpine $i"
    lxc exec "$i" -- apk update
    lxc exec "$i" -- apk add --upgrade apk-tools
    lxc exec "$i" -- apk upgrade
  fi
  lxc exec "$i" -- sync
  lxc exec "$i" -- reboot
done