Add lxd-containers-upgrade script

files/lxd-containers-upgrade.sh

@@ -0,0 +1,16 @@
+#!/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
+done

setup-base.py

@@ -127,3 +127,12 @@ systemd.service(
     enabled=True,
 )
 
+files.put(
+    name='Add lxd-containers-upgrade.sh',
+    src='files/lxd-containers-upgrade.sh',
+    dest='/usr/local/bin/lxd-containers-upgrade.sh',
+    user='root',
+    group='root',
+    mode='700',
+)
+