Unattended upgrades: Add hypervisor detection

cicerops · Mar 30, 2022 · 3775112 · 3775112
1 parent 6c8fd8d
commit 3775112
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/debian-enable-unattended-upgrades.sh b/debian-enable-unattended-upgrades.sh
@@ -258,6 +258,14 @@ function activate_repository {
   add_line "${line}"
 }
 
+function is_empty() {
+  # https://superuser.com/a/1284256
+  test -z $(find "$1" -mindepth 1 -printf X -quit)
+}
+
+function is_hypervisor() {
+  ($(is_empty /proc/xen 2> /dev/null) && $(test ! -e /dev/kvm)) && return 1 || return 0
+}
 
 
 # ------------------