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buildlab: make work in vservers

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This commit is contained in:
Natanael Copa 2011-09-30 06:42:58 +00:00
parent 43f888ad5e
commit 715129c348
1 changed files with 33 additions and 7 deletions
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40
buildlab.in
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@ -54,6 +54,37 @@ runpart() {
$part || die "$part failed"
}
is_vserver() {
egrep -q '^VxID:[[:space:]]*[0-9]+' /proc/self/status
}
do_chroot_open() {
local path="$1"
if is_vserver; then
# vserver does not allow us mount or create devices
# but we can create hard links as long as chroot is
# on same filesystem as real root
rmdir "$path"/proc "$path"/sys "$path"/dev 2>/dev/null
ln /dev "$path"/dev
ln /proc "$path"/proc
ln /sys "$path"/sys
else
mkdir -p "$path"/dev "$path"/proc "$path"/sys
mount -o bind /dev "$path"/dev || return 1
mount -o bind /proc "$path"/proc
mount -o bind /sys "$path"/sys
fi
}
do_chroot_close() {
local path="$1"
if is_vserver; then
rmdir "$path"/dev "$path"/proc "$path"/sys
else
umount "$path"/dev "$path"/proc "$path"/sys
fi
}
do_chroot_action() {
local path="$1"
@ -61,10 +92,7 @@ do_chroot_action() {
msg "Doing chroot action '$command' in '$path'..."
mount -o bind /dev "$path"/dev
mount -o bind /proc "$path"/proc
mount -o bind /sys "$path"/sys
do_chroot_open "$path" || return 1
shift;
# XXX: we have to do this because busybox clobbers us, bleah.
@ -72,9 +100,7 @@ do_chroot_action() {
chroot "$path" /bin/sh /.chroot-action.sh
rm "$path"/.chroot-action.sh
umount "$path"/dev
umount "$path"/proc
umount "$path"/sys
do_chroot_close
}
update_chroot() {