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Check and mount boot volume for data extraction with nouuid

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When building an image, say RHEL9, on a host installed with that
same image, you will be blocked from mounting the filesystems to
extract contents, as the host OS kernel will identify the duplicate
UUIDs and error accordingly.

This was previously fixed for the root filesystem, but not the boot
filesystem.

Change-Id: I63a34fba033ed1c459aeb9c201c8821fa38a36e9
This commit is contained in:
Julia Kreger 2022-05-25 08:33:31 -07:00
parent 62626521ad
commit 57149d9eb1
1 changed files with 12 additions and 1 deletions
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13
diskimage_builder/elements/sysprep/bin/extract-image
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@ -156,7 +156,18 @@ function extract_image() {
if [ ! -z "$BOOT_LOOPDEV" ]; then
# mount to /boot
sudo mount $BOOT_LOOPDEV $WORKING/mnt/boot
BOOT_FSTYPE=$(sudo blkid -o value -s TYPE $ROOT_LOOPDEV)
if [ "xfs" = "$BOOT_FSTYPE" ]; then
BOOT_MOUNTOPTS="-o nouuid,ro"
# Similar to root filesystem, if the boot filesystem
# is XFS and the base OS is the same as the image being
# rebuilt, we need to pass "nouuid" to bypass UUID safety
# checks and successfully mounts so we can extract the
# contents.
else
BOOT_MOUNTOPTS=""
fi
sudo mount $BOOT_MOUNTOPTS $BOOT_LOOPDEV $WORKING/mnt/boot
EACTION="sudo umount -f $BOOT_LOOPDEV ; $EACTION"
trap "$EACTION" EXIT
fi