diff options
Diffstat (limited to 'meta/files/overlayfs-etc-preinit.sh.in')
-rw-r--r-- | meta/files/overlayfs-etc-preinit.sh.in | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/meta/files/overlayfs-etc-preinit.sh.in b/meta/files/overlayfs-etc-preinit.sh.in index 43c9b04eb9..8db076f4ba 100644 --- a/meta/files/overlayfs-etc-preinit.sh.in +++ b/meta/files/overlayfs-etc-preinit.sh.in @@ -15,19 +15,32 @@ mount -t sysfs sysfs /sys [ -z "$CONSOLE" ] && CONSOLE="/dev/console" +BASE_OVERLAY_ETC_DIR={OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc +UPPER_DIR=$BASE_OVERLAY_ETC_DIR/upper +WORK_DIR=$BASE_OVERLAY_ETC_DIR/work +LOWER_DIR=$BASE_OVERLAY_ETC_DIR/lower + mkdir -p {OVERLAYFS_ETC_MOUNT_POINT} if mount -n -t {OVERLAYFS_ETC_FSTYPE} \ -o {OVERLAYFS_ETC_MOUNT_OPTIONS} \ {OVERLAYFS_ETC_DEVICE} {OVERLAYFS_ETC_MOUNT_POINT} then - mkdir -p {OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/upper - mkdir -p {OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/work + mkdir -p $UPPER_DIR + mkdir -p $WORK_DIR + + if {OVERLAYFS_ETC_EXPOSE_LOWER}; then + mkdir -p $LOWER_DIR + + # provide read-only access to original /etc content + mount -o bind,ro /etc $LOWER_DIR + fi + mount -n -t overlay \ - -o upperdir={OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/upper \ + -o upperdir=$UPPER_DIR \ -o lowerdir=/etc \ - -o workdir={OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/work \ + -o workdir=$WORK_DIR \ -o index=off,xino=off,redirect_dir=off,metacopy=off \ - {OVERLAYFS_ETC_MOUNT_POINT}/overlay-etc/upper /etc || \ + $UPPER_DIR /etc || \ echo "PREINIT: Mounting etc-overlay failed!" else echo "PREINIT: Mounting </data> failed!" |