def associate_qos_with_type(context, specs_id, type_id):
"""Associate qos_specs with volume type.
Associate target qos specs with specific volume type. Would raise
following exceptions:
VolumeTypeNotFound - if volume type doesn't exist;
QoSSpecsNotFound - if qos specs doesn't exist;
InvalidVolumeType - if volume type is already associated with
qos specs other than given one.
QoSSpecsAssociateFailed - if there was general DB error
:param specs_id: qos specs ID to associate with
:param type_id: volume type ID to associate with
"""
try:
get_qos_specs(context, specs_id)
res = volume_types.get_volume_type_qos_specs(type_id)
if res.get('qos_specs', None):
if res['qos_specs'].get('id') != specs_id:
msg = (_("Type %(type_id)s is already associated with another "
"qos specs: %(qos_specs_id)s") %
{'type_id': type_id,
'qos_specs_id': res['qos_specs']['id']})
raise exception.InvalidVolumeType(reason=msg)
else:
db.qos_specs_associate(context, specs_id, type_id)
except db_exc.DBError as e:
LOG.exception(_('DB error: %s') % e)
LOG.warn(_('Failed to associate qos specs '
'%(id)s with type: %(vol_type_id)s') %
dict(id=specs_id, vol_type_id=type_id))
raise exception.QoSSpecsAssociateFailed(specs_id=specs_id,
type_id=type_id)
def associate_qos_with_type(context, specs_id, type_id):
"""Associate qos_specs from volume type."""
try:
db.qos_specs_associate(context, specs_id, type_id)
except db_exc.DBError as e:
LOG.exception(_('DB error: %s') % e)
LOG.warn(
_('Failed to associate qos specs '
'%(id)s with type: %(vol_type_id)s') %
dict(id=specs_id, vol_type_id=type_id))
raise exception.QoSSpecsAssociateFailed(specs_id=specs_id,
type_id=type_id)
def return_associate_qos_specs(context, id, type_id):
if id == "111":
raise exception.QoSSpecsNotFound(specs_id=id)
elif id == "222":
raise exception.QoSSpecsAssociateFailed(specs_id=id, type_id=type_id)
elif id == "333":
raise exception.QoSSpecsDisassociateFailed(specs_id=id,
type_id=type_id)
if type_id == "1234":
raise exception.VolumeTypeNotFound(volume_type_id=type_id)
pass
def return_associate_qos_specs(context, id, type_id):
if id == fake.WILL_NOT_BE_FOUND_ID:
raise exception.QoSSpecsNotFound(specs_id=id)
elif id == fake.ACTION_FAILED_ID:
raise exception.QoSSpecsAssociateFailed(specs_id=id, type_id=type_id)
elif id == fake.ACTION2_FAILED_ID:
raise exception.QoSSpecsDisassociateFailed(specs_id=id,
type_id=type_id)
if type_id == fake.WILL_NOT_BE_FOUND_ID:
raise exception.VolumeTypeNotFound(volume_type_id=type_id)
pass
