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summary: Verify that snapd can undo the upgrade from non-snapd-snap to snapd-snap
details: |
Verify that the snapd-snap can successfully undo after upgrading from a non snapd-snap
situation, and something causes a rollback even in spite of a successful snapd update.
# UC16 still uses the core snap rather than the snapd snap, so disable this test
# for UC16
systems: [-ubuntu-core-16-*]
environment:
SNAP_NAME_BAD: test-snapd-service-v2-bad
restore: |
# Remove all inactive revisions of snapd.
current=$(readlink /snap/snapd/current)
for revno_path in /snap/snapd/*; do
revno=$(basename "$revno_path")
if [ "$revno" == current ] || [ "$revno" == "$current" ]; then
continue
fi
snap remove snapd --revision="$revno"
done
execute: |
snap pack "$TESTSLIB/snaps/$SNAP_NAME_BAD"
# store a copy of the built snapd
if [ -e /var/lib/snapd/snaps/snapd_x1.snap ]; then
cp /var/lib/snapd/snaps/snapd_x1.snap ./snapd.snap
else
# Beta validation has a different snapd version
cp /var/lib/snapd/snaps/snapd_*.snap ./snapd.snap
fi
revision=""
if os.query is-arm64; then
revision=18363
elif os.query is-armhf; then
revision=18359
else
revision=18357
fi
# refresh to a snapd prior to snapd snap, this one is chosen from
# a customer case where they were seeing issues with snapd reverting
snap refresh snapd --amend --revision="$revision"
snap list | MATCH "snapd.*$revision"
# perform a refresh to the current snapd, this will fail, do it in a way
# that will make snapd revert
CHG_ID=$(snap install --no-wait --dangerous --transaction=all-snaps ./snapd.snap ./test-snapd-service_2.0_all.snap)
snap watch "$CHG_ID" || true
# verify this has no undo failures for snapd related to security profiles
snap change "$CHG_ID" | MATCH "(Undone).*Setup snap \"snapd\" \(unset\) security profiles"
snap change "$CHG_ID" | grep -c "Error" | MATCH "1"
# restore original snapd
snap revert snapd
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