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|
summary: Test a remodel that switches to a new base and gadget
details: |
This test remodels to a model that uses a custom base (not one of the core?? snaps),
and a gadget that is based on that custom base.
# TODO:UC20: enable on UC20
systems: [ubuntu-core-18-64]
environment:
OLD_BASE: core18
NEW_BASE: test-snapd-core18
NEW_GADGET: test-snapd-pc-core18
prepare: |
#shellcheck source=tests/lib/core-config.sh
. "$TESTSLIB"/core-config.sh
if [ "$SPREAD_REBOOT" = 0 ]; then
REBOOT_NEEDED=false
if os.query is-core18 && snap list snapd | NOMATCH ' x1 '; then
REBOOT_NEEDED=true
fi
systemctl stop snapd.service snapd.socket
clean_snapd_lib
prepare_core_model
prepare_test_account valid-for-testing
prepare_test_model valid-for-testing-pc
# kick first boot again
systemctl start snapd.service snapd.socket
if [ "$REBOOT_NEEDED" = true ] && "$TESTSTOOLS"/journal-state match-log -n 30 "Waiting for system reboot"; then
REBOOT
fi
fi
# wait for first boot to be done
wait_for_first_boot_change
# and for the serial to be available
wait_for_device_initialized_change
restore: |
#shellcheck source=tests/lib/core-config.sh
. "$TESTSLIB"/core-config.sh
if [ "$SPREAD_REBOOT" = 0 ]; then
REBOOT_NEEDED=false
if os.query is-core18 && snap list snapd | NOMATCH ' x1 '; then
REBOOT_NEEDED=true
fi
# find out what is the revision of the base in seed and one that is
# currently installed, if different a reboot will be issued
seed_base_rev="$(basename /var/lib/snapd/seed/snaps/core18_*.snap | cut -f1 -d. | cut -f2 -d_)"
cur_base_rev="$(readlink /snap/core18/current)"
if [ "$seed_base_rev" != "$cur_base_rev" ]; then
REBOOT_NEEDED=true
fi
systemctl stop snapd.service snapd.socket
clean_snapd_lib
restore_test_account valid-for-testing
restore_test_model valid-for-testing-pc
restore_core_model
# kick first boot again
systemctl start snapd.service snapd.socket
if [ "$REBOOT_NEEDED" = true ] && "$TESTSTOOLS"/journal-state match-log -n 30 "Waiting for system reboot"; then
REBOOT
fi
fi
# wait for first boot to be done
wait_for_first_boot_change
# extra paranoia because failure to cleanup earlier took us a long time
# to find
if [ -e /var/snap/$NEW_BASE/current ]; then
echo "Leftover $NEW_BASE data dir found, test does not "
echo "properly cleanup"
echo "see https://github.com/snapcore/snapd/pull/6620"
echo
find /var/snap
exit 1
fi
debug: |
snap changes || true
snap change 1 || true
journalctl -u snapd --no-pager || true
execute: |
#shellcheck source=tests/lib/core-config.sh
. "$TESTSLIB"/core-config.sh
wait_change_done() {
chg_summary="$1"
for _ in $(seq 10); do
if snap changes | MATCH "[0-9]+\\ +Done\\ +.* $chg_summary"; then
break
fi
# some debug output
snap changes
# wait a bit
sleep 5
done
snap changes | MATCH "[0-9]+\\ +Done\\ +.* $chg_summary"
}
# initial boot with the current model
if [ "$SPREAD_REBOOT" = 0 ]; then
# precondition check
snap list "$OLD_BASE"
echo "We have the right model assertion"
snap debug model|MATCH "model: my-model"
echo "Now we remodel"
MODEL="$(get_test_model valid-for-testing-pc-new-base-revno-2)"
snap remodel "${TESTSLIB}/assertions/${MODEL}"
echo "Double check that we boot into the right base"
MATCH "snap_try_core=$NEW_BASE" < /boot/grub/grubenv
echo "reboot to finish the change"
REBOOT
fi
# first boot with the new model base
if [ "$SPREAD_REBOOT" = 1 ]; then
echo "and we have the new base snap installed"
snap list "$NEW_BASE"
echo "And are using it"
"$TESTSTOOLS"/boot-state wait-core-post-boot
MATCH "snap_core=$NEW_BASE" < /boot/grub/grubenv
echo "and we got the new model assertion"
wait_change_done "Refresh model assertion from revision 0 to 2"
snap debug model|MATCH "revision: 2"
echo "and we cannot remove the base snap"
not snap remove --purge "$NEW_BASE"
# TODO: test when keeping the old base, test removing the old base
# (not possible here as the pc gadget uses core18 as its base)
echo "And we can remodel again and remove the new base"
MODEL="$(get_test_model valid-for-testing-pc-revno-3)"
snap remodel "${TESTSLIB}/assertions/${MODEL}"
REBOOT
fi
# reboot from new model to undo the new model again (to not pollute tests)
if [ "$SPREAD_REBOOT" = 2 ]; then
"$TESTSTOOLS"/boot-state wait-core-post-boot
MATCH "snap_core=$OLD_BASE" < /boot/grub/grubenv
wait_change_done "Refresh model assertion from revision 2 to 3"
snap debug model|MATCH "revision: 3"
echo "cleanup"
snap remove --purge "$NEW_GADGET"
snap remove --purge "$NEW_BASE"
snap refresh --channel="$BASE_CHANNEL" "$OLD_BASE"
REBOOT
fi
|
