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|
#!/bin/bash
# shellcheck source=tests/lib/dirs.sh
. "$TESTSLIB/dirs.sh"
# shellcheck source=tests/lib/state.sh
. "$TESTSLIB/state.sh"
# shellcheck source=tests/lib/systemd.sh
. "$TESTSLIB/systemd.sh"
reset_classic() {
# Reload all service units as in some situations the unit might
# have changed on the disk.
systemctl daemon-reload
systemd_stop_units snapd.service snapd.socket
case "$SPREAD_SYSTEM" in
ubuntu-*|debian-*)
sh -x "${SPREAD_PATH}/debian/snapd.prerm" remove
sh -x "${SPREAD_PATH}/debian/snapd.postrm" purge
;;
fedora-*|opensuse-*|arch-*|amazon-*|centos-*)
# We don't know if snap-mgmt was built, so call the *.in file
# directly and pass arguments that will override the placeholders
sh -x "${SPREAD_PATH}/cmd/snap-mgmt/snap-mgmt.sh.in" \
--snap-mount-dir="$SNAP_MOUNT_DIR" \
--purge
# The script above doesn't remove the snapd directory as this
# is normally done by the rpm packaging system.
rm -rf /var/lib/snapd
;;
*)
echo "don't know how to reset $SPREAD_SYSTEM"
exit 1
;;
esac
# purge has removed units, reload the state now
systemctl daemon-reload
# extra purge
rm -rvf /var/snap "${SNAP_MOUNT_DIR:?}/bin"
mkdir -p "$SNAP_MOUNT_DIR" /var/snap /var/lib/snapd
if [ "$(find "$SNAP_MOUNT_DIR" /var/snap -mindepth 1 -print -quit)" ]; then
echo "postinst purge failed"
ls -lR "$SNAP_MOUNT_DIR"/ /var/snap/
exit 1
fi
rm -rf /tmp/snap-private-tmp
case "$SPREAD_SYSTEM" in
fedora-*|centos-*)
# On systems running SELinux we need to restore the context of the
# directories we just recreated. Otherwise, the entries created
# inside will be incorrectly labeled.
restorecon -F -v -R "$SNAP_MOUNT_DIR" /var/snap /var/lib/snapd
;;
esac
# systemd retains the failed state of service units, even after they are
# removed, we need to reset their 'failed state'
systemctl --plain --failed --no-legend --full | awk '/^ *snap\..*\.service +(error|not-found) +failed/ {print $1}' | while read -r unit; do
systemctl reset-failed "$unit" || true
done
if os.query is-trusty; then
systemctl start snap.mount.service
fi
rm -rf /root/.snap/gnupg
rm -f /tmp/core* /tmp/ubuntu-core*
if [ "$1" = "--reuse-core" ]; then
# Restore snapd state and start systemd service units
restore_snapd_state
escaped_snap_mount_dir="$(systemd-escape --path "$SNAP_MOUNT_DIR")"
mounts="$(systemctl list-unit-files --full | grep "^${escaped_snap_mount_dir}[-.].*\\.mount" | cut -f1 -d ' ')"
services="$(systemctl list-unit-files --full | grep "^${escaped_snap_mount_dir}[-.].*\\.service" | cut -f1 -d ' ')"
systemctl daemon-reload # Workaround for http://paste.ubuntu.com/17735820/
for unit in $mounts $services; do
systemctl start "$unit"
done
# force all profiles to be re-generated
rm -f /var/lib/snapd/system-key
fi
if [ "$1" != "--keep-stopped" ]; then
systemctl start snapd.socket
# wait for snapd listening
EXTRA_NC_ARGS="-q 1"
case "$SPREAD_SYSTEM" in
fedora-*|amazon-*|centos-*)
EXTRA_NC_ARGS=""
;;
esac
# shellcheck disable=SC2086
while ! printf 'GET / HTTP/1.0\r\n\r\n' | nc -U $EXTRA_NC_ARGS /run/snapd.socket; do sleep 0.5; done
fi
}
reset_all_snap() {
# remove all leftover snaps
# make sure snapd is running before we attempt to remove snaps, in case a test stopped it
if ! systemctl status snapd.service snapd.socket >/dev/null; then
systemctl start snapd.service snapd.socket
fi
# shellcheck source=tests/lib/names.sh
. "$TESTSLIB/names.sh"
remove_bases=""
# remove all app snaps first
for snap in "$SNAP_MOUNT_DIR"/*; do
snap="${snap:6}"
case "$snap" in
"bin" | "$gadget_name" | "$kernel_name" | "$core_name" | "snapd" |README)
;;
*)
# Check if a snap should be kept, there's a list of those in spread.yaml.
keep=0
for precious_snap in $SKIP_REMOVE_SNAPS; do
if [ "$snap" = "$precious_snap" ]; then
keep=1
break
fi
done
if [ "$keep" -eq 0 ]; then
if snap info --verbose "$snap" | grep -E '^type: +(base|core)'; then
if [ -z "$remove_bases" ]; then
remove_bases="$snap"
else
remove_bases="$remove_bases $snap"
fi
else
snap remove --purge "$snap"
fi
fi
;;
esac
done
# remove all base/os snaps at the end
if [ -n "$remove_bases" ]; then
for base in $remove_bases; do
snap remove --purge "$base"
if [ -d "$SNAP_MOUNT_DIR/$base" ]; then
echo "Error: removing base $base has unexpected leftover dir $SNAP_MOUNT_DIR/$base"
ls -al "$SNAP_MOUNT_DIR"
ls -al "$SNAP_MOUNT_DIR/$base"
exit 1
fi
done
fi
# ensure we have the same state as initially
systemctl stop snapd.service snapd.socket
restore_snapd_state
rm -rf /root/.snap
rm -rf /tmp/snap-private-tmp/snap.*
if [ "$1" != "--keep-stopped" ]; then
systemctl start snapd.service snapd.socket
fi
# Exit in case there is a snap in broken state after restoring the snapd state
if snap list | grep -E "broken$"; then
echo "snap in broken state"
exit 1
fi
}
# When the variable REUSE_SNAPD is set to 1, we don't remove and purge snapd.
# In that case we just cleanup the environment by removing installed snaps as
# it is done for core systems.
if os.query is-core || [ "$REUSE_SNAPD" = 1 ]; then
reset_all_snap "$@"
else
reset_classic "$@"
fi
# Discard all mount namespaces and active mount profiles.
# This is duplicating logic in snap-discard-ns but it doesn't
# support --all switch yet so we cannot use it.
if [ -d /run/snapd/ns ]; then
for mnt in /run/snapd/ns/*.mnt; do
umount -l "$mnt" || true
rm -f "$mnt"
done
find /run/snapd/ns/ \( -name '*.fstab' -o -name '*.user-fstab' -o -name '*.info' \) -delete
fi
if [ "$REMOTE_STORE" = staging ] && [ "$1" = "--store" ]; then
# shellcheck source=tests/lib/store.sh
. "$TESTSLIB"/store.sh
teardown_staging_store
fi
|
