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|
summary: Check parallel installation of sideloaded snaps containing services
details: |
Check that snaps with services can have parallel installations and that
removing one instance does not affect the others.
# takes >3min to run
backends: [-autopkgtest]
prepare: |
snap set system experimental.parallel-instances=true
restore: |
snap remove --purge test-snapd-service || true
snap remove --purge test-snapd-service_foo || true
snap remove --purge test-snapd-service_longname || true
snap unset system experimental.parallel-instances
execute: |
"$TESTSTOOLS"/snaps-state install-local test-snapd-service
check_services_active() {
test -n "$1"
systemctl is-active "snap.$1.test-snapd-service.service"
systemctl is-active "snap.$1.test-snapd-other-service.service"
}
function service_start_time {
systemctl show --property=ExecMainStartTimestampMonotonic "$1" | cut -d= -f2
}
SNAP_MOUNT_DIR="$(os.paths snap-mount-dir)"
for instance in foo longname; do
echo "Install a snap as instance named test-snapd-service_$instance"
expected="^test-snapd-service_$instance 1.0 installed\$"
"$TESTSTOOLS"/snaps-state install-local-as test-snapd-service "test-snapd-service_$instance" | MATCH "$expected"
test -d "$SNAP_MOUNT_DIR/test-snapd-service_$instance/x1"
test -f /etc/systemd/system/snap.test-snapd-service_$instance.test-snapd-service.service
test -f /etc/systemd/system/snap.test-snapd-service_$instance.test-snapd-other-service.service
check_services_active "test-snapd-service_$instance"
done
check_services_active test-snapd-service
echo "All snaps are listed"
snap list | MATCH '^test-snapd-service '
snap list | MATCH '^test-snapd-service_foo '
snap list | MATCH '^test-snapd-service_longname '
echo "Ensure we can use snapctl to stop a service of the main installation, but not affect others"
snap run --shell test-snapd-service -c "snapctl stop test-snapd-service.test-snapd-other-service"
systemctl is-active snap.test-snapd-service.test-snapd-other-service | MATCH "inactive"
systemctl is-active snap.test-snapd-service_foo.test-snapd-other-service | MATCH "^active"
systemctl is-active snap.test-snapd-service_longname.test-snapd-other-service | MATCH "^active"
echo "Ensure we can start it again"
snap run --shell test-snapd-service -c "snapctl start test-snapd-service.test-snapd-other-service"
systemctl is-active snap.test-snapd-service.test-snapd-other-service | MATCH "^active"
systemctl is-active snap.test-snapd-service_foo.test-snapd-other-service | MATCH "^active"
systemctl is-active snap.test-snapd-service_longname.test-snapd-other-service | MATCH "^active"
echo "Ensure we can use snapctl to stop a service in parallel installs without affecting others"
for instance in foo longname; do
echo "Testing stop of test-snapd-service_$instance"
systemctl is-active "snap.test-snapd-service_${instance}.test-snapd-other-service" | MATCH "^active"
snap run --shell test-snapd-service_${instance} -c "snapctl stop test-snapd-service_${instance}.test-snapd-other-service"
systemctl is-active "snap.test-snapd-service_${instance}.test-snapd-other-service" | MATCH "inactive"
done
echo "Verifying the main install should be unaffected after stop"
systemctl is-active snap.test-snapd-service.test-snapd-other-service | MATCH "^active"
for instance in foo longname; do
echo "Testing start of test-snapd-service_$instance"
systemctl is-active "snap.test-snapd-service_${instance}.test-snapd-other-service" | MATCH "inactive"
snap run --shell test-snapd-service_${instance} -c "snapctl start test-snapd-service_${instance}.test-snapd-other-service"
systemctl is-active "snap.test-snapd-service_${instance}.test-snapd-other-service" | MATCH "^active"
done
svc_other_nokey="$(service_start_time snap.test-snapd-service.test-snapd-other-service)"
svc_other_foo="$(service_start_time snap.test-snapd-service_foo.test-snapd-other-service)"
echo "Verifying snap can only manage its own services"
snap run --shell test-snapd-service_foo -c "snapctl restart test-snapd-service_longname.test-snapd-other-service" |& \
MATCH 'snapctl: unexpected snap instance key: "longname"'
snap run --shell test-snapd-service_foo -c "snapctl restart other-snap.test-snapd-other-service" |& \
MATCH 'snapctl: unknown service: "other-snap.test-snapd-other-service"'
echo "But requests to manage snap name services are silently remapped to instance specific ones"
snap run --shell test-snapd-service_foo -c "snapctl restart test-snapd-service.test-snapd-other-service"
svc_other_nokey_after="$(service_start_time snap.test-snapd-service.test-snapd-other-service)"
svc_other_foo_after="$(service_start_time snap.test-snapd-service_foo.test-snapd-other-service)"
# test-snapd-service.other-service was not restarted
test "$svc_other_nokey_after" = "$svc_other_nokey"
# but test-snapd-service_foo.other-service was
test "$svc_other_foo_after" -gt "$svc_other_foo"
echo "Service statuses of all services are reported"
snap run --shell test-snapd-service_foo -c "snapctl services" |\
tee no-name.statuses
MATCH "test-snapd-service_foo.test-snapd-other-service .* active" < no-name.statuses
echo ".. when using aliased snap name"
snap run --shell test-snapd-service_foo -c "snapctl services test-snapd-service" |\
tee aliased.statuses
# the names re remapped back in the output
MATCH "test-snapd-service.test-snapd-other-service .* active" < aliased.statuses
echo ".. when using explicit snap instance name"
snap run --shell test-snapd-service_foo -c "snapctl services test-snapd-service_foo" |\
tee explicit.statuses
MATCH "test-snapd-service_foo.test-snapd-other-service .* active" < explicit.statuses
# the contents are the same
diff no-name.statuses explicit.statuses
# but these will obviously be different
not diff aliased.statuses explicit.statuses
echo "And for single service queries"
snap run --shell test-snapd-service_foo -c "snapctl services test-snapd-service.test-snapd-other-service" |\
tee single-aliased.statuses
MATCH "test-snapd-service.test-snapd-other-service .* active" < single-aliased.statuses
echo ".. when using explicit snap instance name"
snap run --shell test-snapd-service_foo -c "snapctl services test-snapd-service_foo.test-snapd-other-service" |\
tee single-explicit.statuses
MATCH "test-snapd-service_foo.test-snapd-other-service .* active" < single-explicit.statuses
not diff single-aliased.statuses single-explicit.statuses
echo "Removing one instance does not remove services from other instances"
snap remove --purge test-snapd-service_foo
not test -f /etc/systemd/system/snap.test-snapd-service_foo.test-snapd-service.service
test -f /etc/systemd/system/snap.test-snapd-service_longname.test-snapd-service.service
test -f /etc/systemd/system/snap.test-snapd-service.test-snapd-service.service
echo "The services of remaining snaps are still active"
check_services_active test-snapd-service
check_services_active test-snapd-service_longname
snap remove --purge test-snapd-service
not test -f /etc/systemd/system/snap.test-snapd-service.test-snapd-service.service
test -f /etc/systemd/system/snap.test-snapd-service_longname.test-snapd-service.service
echo "The services of remaining snap are active"
check_services_active test-snapd-service_longname
snap remove --purge test-snapd-service_longname
not test -f /etc/systemd/system/snap.test-snapd-service_longname.test-snapd-service.service
|
