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|
summary: Check that preseeded chroot can be re-set.
details: |
This test checks that preseeding of Ubuntu cloud images with snap-preseed
can be undone with --reset flag.
# Ubuntu 24.04: there is no longer any seeded snaps in base or minimal cloud images
# https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/2051346
# https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/2051572
systems: [ubuntu-20*, ubuntu-22*, ubuntu-23*]
environment:
IMAGE_MOUNTPOINT: /mnt/cloudimg
prepare: |
# shellcheck source=tests/lib/image.sh
. "$TESTSLIB"/image.sh
# the get_image_url_for_vm is a convenient helper that returns
# a cloud image url matching current $SPREAD_SYSTEM.
wget --quiet "$(get_image_url_for_vm)" -O cloudimg.img
mkdir -p "$IMAGE_MOUNTPOINT"
#shellcheck source=tests/lib/preseed.sh
. "$TESTSLIB/preseed.sh"
mount_ubuntu_image "$(pwd)/cloudimg.img" "$IMAGE_MOUNTPOINT"
# for images that are already preseeded, we need to undo the preseeding there
echo "Running preseed --reset for already preseeded cloud images"
SNAPD_DEBUG=1 /usr/lib/snapd/snap-preseed --reset "$IMAGE_MOUNTPOINT"
restore: |
rm -f before-preseeding.txt
rm -f after-reset.txt
#shellcheck source=tests/lib/preseed.sh
. "$TESTSLIB/preseed.sh"
umount_ubuntu_image "$IMAGE_MOUNTPOINT"
execute: |
find_files() {
find "$IMAGE_MOUNTPOINT/etc/" "$IMAGE_MOUNTPOINT/usr/" "$IMAGE_MOUNTPOINT/var/"
}
find_files > before-preseeding.txt
echo "Running pre-seeding"
/usr/lib/snapd/snap-preseed "$IMAGE_MOUNTPOINT"
echo "Running preseeding again should fail"
if OUT=$(/usr/lib/snapd/snap-preseed "$IMAGE_MOUNTPOINT" 2>&1); then
echo "Expected snap-preseed to fail"
exit 1
fi
echo "$OUT" | MATCH "the system at \"$IMAGE_MOUNTPOINT\" appears to be preseeded"
echo "Resetting"
/usr/lib/snapd/snap-preseed --reset "$IMAGE_MOUNTPOINT"
echo "Checking that there are no leftovers"
find_files > after-reset.txt
diff before-preseeding.txt after-reset.txt
if [ -d "$IMAGE_MOUNTPOINT/snap" ]; then
echo "$IMAGE_MOUNTPOINT/snap shouldn't exist"
exit 1
fi
echo "Running preseeding again should succeed"
/usr/lib/snapd/snap-preseed "$IMAGE_MOUNTPOINT"
echo "And running snap-preseed with a relative path works"
cd /mnt
/usr/lib/snapd/snap-preseed --reset cloudimg
/usr/lib/snapd/snap-preseed cloudimg
|
