From 7275c6f6a0f6808cd939ea5bdf1244c7bd13ba44 Mon Sep 17 00:00:00 2001 From: Harald Hoyer Date: Mon, 17 May 2021 14:22:10 +0200 Subject: [PATCH] feat(dracut.sh): detect running in a container Don't try to `mknod` by setting DRACUT_NO_MKNOD. Don't try to `cp` extended attributrs by setting DRACUT_NO_XATTR. --- dracut.sh | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/dracut.sh b/dracut.sh index bfb7a1ac..24e1c2e7 100755 --- a/dracut.sh +++ b/dracut.sh @@ -1171,6 +1171,13 @@ if [[ -f $dracutbasedir/dracut-version.sh ]]; then . "$dracutbasedir"/dracut-version.sh fi +if systemd-detect-virt -c &> /dev/null; then + export DRACUT_NO_MKNOD=1 DRACUT_NO_XATTR=1 + if [[ $hostonly ]]; then + printf "%s\n" "dracut: WARNING: running in hostonly mode in a container!!" + fi +fi + if [[ -f $dracutbasedir/dracut-init.sh ]]; then # shellcheck source=./dracut-init.sh . "$dracutbasedir"/dracut-init.sh @@ -1888,7 +1895,7 @@ if [[ $kernel_only != yes ]]; then # shellcheck disable=SC2174 mkdir -m 0755 -p "${initdir}/lib/dracut/hooks/$_d" done - if [[ $EUID == "0" ]]; then + if [[ $EUID == "0" ]] && ! [[ $DRACUT_NO_MKNOD ]]; then [[ -c ${initdir}/dev/null ]] || mknod "${initdir}"/dev/null c 1 3 [[ -c ${initdir}/dev/kmsg ]] || mknod "${initdir}"/dev/kmsg c 1 11 [[ -c ${initdir}/dev/console ]] || mknod "${initdir}"/dev/console c 5 1