def update(context, qos_specs_id, specs):
"""Update qos specs.
:param specs: dictionary that contains key/value pairs for updating
existing specs.
e.g. {'consumer': 'front-end',
'total_iops_sec': 500,
'total_bytes_sec': 512000,}
"""
LOG.debug('qos_specs.update(): specs %s', specs)
try:
utils.validate_dictionary_string_length(specs)
qos_spec = objects.QualityOfServiceSpecs.get_by_id(
context, qos_specs_id)
if 'consumer' in specs:
qos_spec.consumer = specs['consumer']
# If we need to modify specs, copy so we don't cause unintended
# consequences for the caller
specs = specs.copy()
del specs['consumer']
# Update any values in specs dict
qos_spec.specs.update(specs)
qos_spec.save()
except exception.InvalidInput as e:
raise exception.InvalidQoSSpecs(reason=e)
except db_exc.DBError:
LOG.exception('DB error:')
raise exception.QoSSpecsUpdateFailed(specs_id=qos_specs_id,
qos_specs=specs)
return qos_spec
def return_qos_specs_update(context, id, specs):
if id == "777":
raise exception.QoSSpecsNotFound(specs_id=id)
elif id == "888":
raise exception.InvalidQoSSpecs(reason=str(id))
elif id == "999":
raise exception.QoSSpecsUpdateFailed(specs_id=id, qos_specs=specs)
pass
def return_qos_specs_update(context, id, specs):
if id == fake.WILL_NOT_BE_FOUND_ID:
raise exception.QoSSpecsNotFound(specs_id=id)
elif id == fake.INVALID_ID:
raise exception.InvalidQoSSpecs(reason=id)
elif id == fake.UPDATE_FAILED_ID:
raise exception.QoSSpecsUpdateFailed(specs_id=id, qos_specs=specs)
pass
def update(context, qos_specs_id, specs):
"""Update qos specs.
:param specs dictionary that contains key/value pairs for updating
existing specs.
e.g. {'consumer': 'front-end',
'total_iops_sec': 500,
'total_bytes_sec': 512000,}
"""
# need to verify specs in case 'consumer' is passed
_verify_prepare_qos_specs(specs, create=False)
LOG.debug('qos_specs.update(): specs %s' % specs)
try:
res = db.qos_specs_update(context, qos_specs_id, specs)
except db_exc.DBError as e:
LOG.exception(_('DB error: %s') % e)
raise exception.QoSSpecsUpdateFailed(specs_id=qos_specs_id,
qos_specs=specs)
return res
