def test_volume_type_delete_with_group_in_use(self):
volume_type = db.volume_type_create(self.ctxt,
{'name': 'fake volume type'})
group = db.group_create(self.ctxt, {})
db.group_volume_type_mapping_create(self.ctxt, group['id'],
volume_type['id'])
self.assertRaises(exception.VolumeTypeInUse, volume_types.destroy,
self.ctxt, volume_type['id'])
db.group_destroy(self.ctxt, group['id'])
volume_types.destroy(self.ctxt, volume_type['id'])
def test_volume_type_delete_with_group_in_use(self):
volume_type = db.volume_type_create(self.ctxt, {'name':
'fake volume type'})
group = db.group_create(self.ctxt, {})
db.group_volume_type_mapping_create(self.ctxt, group['id'],
volume_type['id'])
self.assertRaises(exception.VolumeTypeInUse, volume_types.destroy,
self.ctxt, volume_type['id'])
db.group_destroy(self.ctxt, group['id'])
volume_types.destroy(self.ctxt, volume_type['id'])
def _create_group_from_source_group(self, context, group, source_group_id):
try:
source_group = objects.Group.get_by_id(context, source_group_id)
source_vols = objects.VolumeList.get_all_by_generic_group(
context, source_group.id)
if not source_vols:
msg = _("Source Group is empty. No group " "will be created.")
raise exception.InvalidGroup(reason=msg)
for source_vol in source_vols:
kwargs = {}
kwargs['availability_zone'] = group.availability_zone
kwargs['source_group'] = source_group
kwargs['group'] = group
kwargs['source_volume'] = source_vol
volume_type_id = source_vol.volume_type_id
if volume_type_id:
kwargs['volume_type'] = volume_types.get_volume_type(
context, volume_type_id)
# Create group volume_type mapping entries
try:
db.group_volume_type_mapping_create(
context, group.id, volume_type_id)
except exception.GroupVolumeTypeMappingExists:
# Only need to create one group volume_type mapping
# entry for the same combination, skipping.
LOG.info(
_LI("A mapping entry already exists for group"
" %(grp)s and volume type %(vol_type)s. "
"Do not need to create again."), {
'grp': group.id,
'vol_type': volume_type_id
})
pass
# Since source_group is passed in, the following call will
# create a db entry for the volume, but will not call the
# volume manager to create a real volume in the backend yet.
# If error happens, taskflow will handle rollback of quota
# and removal of volume entry in the db.
try:
self.volume_api.create(context, source_vol.size, None,
None, **kwargs)
except exception.CinderException:
with excutils.save_and_reraise_exception():
LOG.error(
_LE("Error occurred when creating cloned "
"volume in the process of creating "
"group %(group)s from "
"source group %(source_group)s."), {
'group': group.id,
'source_group': source_group.id
})
except Exception:
with excutils.save_and_reraise_exception():
try:
group.destroy()
finally:
LOG.error(
_LE("Error occurred when creating "
"group %(group)s from source group "
"%(source_group)s."), {
'group': group.id,
'source_group': source_group.id
})
volumes = objects.VolumeList.get_all_by_generic_group(
context, group.id)
for vol in volumes:
# Update the host field for the volume.
vol.host = group.host
vol.save()
self.volume_rpcapi.create_group_from_src(context, group, None,
source_group)
def _create_group_from_source_group(self, context, group,
source_group_id):
try:
source_group = objects.Group.get_by_id(context,
source_group_id)
source_vols = objects.VolumeList.get_all_by_generic_group(
context, source_group.id)
if not source_vols:
msg = _("Source Group is empty. No group "
"will be created.")
raise exception.InvalidGroup(reason=msg)
for source_vol in source_vols:
kwargs = {}
kwargs['availability_zone'] = group.availability_zone
kwargs['source_group'] = source_group
kwargs['group'] = group
kwargs['source_volume'] = source_vol
volume_type_id = source_vol.volume_type_id
if volume_type_id:
kwargs['volume_type'] = volume_types.get_volume_type(
context, volume_type_id)
# Create group volume_type mapping entries
try:
db.group_volume_type_mapping_create(context, group.id,
volume_type_id)
except exception.GroupVolumeTypeMappingExists:
# Only need to create one group volume_type mapping
# entry for the same combination, skipping.
LOG.info(_LI("A mapping entry already exists for group"
" %(grp)s and volume type %(vol_type)s. "
"Do not need to create again."),
{'grp': group.id,
'vol_type': volume_type_id})
pass
# Since source_group is passed in, the following call will
# create a db entry for the volume, but will not call the
# volume manager to create a real volume in the backend yet.
# If error happens, taskflow will handle rollback of quota
# and removal of volume entry in the db.
try:
self.volume_api.create(context,
source_vol.size,
None,
None,
**kwargs)
except exception.CinderException:
with excutils.save_and_reraise_exception():
LOG.error(_LE("Error occurred when creating cloned "
"volume in the process of creating "
"group %(group)s from "
"source group %(source_group)s."),
{'group': group.id,
'source_group': source_group.id})
except Exception:
with excutils.save_and_reraise_exception():
try:
group.destroy()
finally:
LOG.error(_LE("Error occurred when creating "
"group %(group)s from source group "
"%(source_group)s."),
{'group': group.id,
'source_group': source_group.id})
volumes = objects.VolumeList.get_all_by_generic_group(context,
group.id)
for vol in volumes:
# Update the host field for the volume.
vol.host = group.host
vol.save()
self.volume_rpcapi.create_group_from_src(context, group,
None, source_group)
