def delete(self, _id):
"""Marks volume types as deleted.
:param _id: id of volume type to be deleted
"""
context = t_context.extract_context_from_environ()
if not context.is_admin:
return utils.format_cinder_error(
403,
_("Policy doesn't allow volume_extension:types_manage "
"to be performed."))
session = core.get_session()
with session.begin():
try:
db_api.volume_type_get(context, _id, session)
except exceptions.VolumeTypeNotFound as e:
return utils.format_cinder_error(404, e.message)
try:
db_api.volume_type_delete(context, _id, session)
except Exception as e:
LOG.exception(
_LE('Fail to update volume type: %(id)s,'
'%(exception)s'), {
'id': _id,
'exception': e
})
return utils.format_cinder_error(
500, _('Fail to delete volume type.'))
pecan.response.status = 202
return pecan.response
def quota_class_create(context, class_name, resource, limit):
quota_class_ref = models.QuotaClasses()
quota_class_ref.class_name = class_name
quota_class_ref.resource = resource
quota_class_ref.hard_limit = limit
session = core.get_session()
with session.begin():
quota_class_ref.save(session)
return quota_class_ref
def quota_create(context, project_id, resource, limit, allocated=0):
quota_ref = models.Quotas()
quota_ref.project_id = project_id
quota_ref.resource = resource
quota_ref.hard_limit = limit
if allocated:
quota_ref.allocated = allocated
session = core.get_session()
with session.begin():
quota_ref.save(session)
return quota_ref
def volume_type_update(context, volume_type_id, values):
"""Update volume type by volume_type_id.
:param volume_type_id: id of volume type to be updated
:param values: dictionary of values to be updated
:returns: updated volume type
"""
session = core.get_session()
with session.begin():
try:
# Check it exists
volume_type_ref = _volume_type_ref_get(context,
volume_type_id,
session)
if not volume_type_ref:
raise exceptions.VolumeTypeNotFound(type_id=volume_type_id)
# No description change
if values['description'] is None:
del values['description']
# No is_public change
if values['is_public'] is None:
del values['is_public']
# No name change
if values['name'] is None:
del values['name']
else:
# Volume type name is unique. If change to a name that
# belongs to a different volume_type , it should be
# prevented.
check_vol_type = None
try:
check_vol_type = \
volume_type_get_by_name(context,
values['name'],
session=session)
except exceptions.VolumeTypeNotFoundByName:
pass
else:
if check_vol_type.get('id') != volume_type_id:
raise exceptions.VolumeTypeExists(id=values['name'])
volume_type_ref.update(values)
volume_type_ref.save(session=session)
except Exception:
raise exceptions.VolumeTypeUpdateFailed(id=volume_type_id)
return _dict_with_extra_specs_if_authorized(context, volume_type_ref)
def volume_type_get_all(context,
inactive=False,
filters=None,
list_result=False):
"""Returns a dict describing all volume_types with name as key.
:param context: context to query under
:param inactive: Pass true as argument if you want deleted volume types
returned also.
:param filters: dictionary of filters; values that are in lists, tuples,
or sets cause an 'IN' operation, while exact matching
is used for other values, see _process_volume_type_filters
function for more information
:param list_result: For compatibility, if list_result = True, return
a list instead of dict.
:returns: list/dict of matching volume types
"""
read_deleted = 'yes' if inactive else 'no'
session = core.get_session()
with session.begin():
filters = filters or {}
filters['context'] = context
# Generate the query
query = _volume_type_get_query(context,
session=session,
read_deleted=read_deleted)
query = _process_volume_types_filters(query, filters)
# No volume types would match, return empty dict or list
if query is None:
if list_result:
return []
return {}
rows = query.all()
if list_result:
result = [
_dict_with_extra_specs_if_authorized(context, row)
for row in rows
]
return result
result = {
row['name']: _dict_with_extra_specs_if_authorized(context, row)
for row in rows
}
return result
def session(self):
if not self._session:
self._session = core.get_session()
return self._session
def post(self, **kw):
"""Creates volume types."""
context = t_context.extract_context_from_environ()
if not context.is_admin:
return utils.format_cinder_error(
403,
_("Policy doesn't allow volume_extension:types_manage "
"to be performed."))
if 'volume_type' not in kw:
return utils.format_cinder_error(
400,
_("Missing required element 'volume_type' in "
"request body."))
projects = []
if self.tenant_id is not None:
projects = [self.tenant_id]
vol_type = kw['volume_type']
name = vol_type.get('name', None)
description = vol_type.get('description')
specs = vol_type.get('extra_specs', {})
is_public = vol_type.pop('os-volume-type-access:is_public', True)
if name is None or len(name.strip()) == 0:
return utils.format_cinder_error(
400, _("Volume type name can not be empty."))
try:
utils.check_string_length(name,
'Type name',
min_len=1,
max_len=255)
except exceptions.InvalidInput as e:
return utils.format_cinder_error(400, e.message)
if description is not None:
try:
utils.check_string_length(description,
'Type description',
min_len=0,
max_len=255)
except exceptions.InvalidInput as e:
return utils.format_cinder_error(400, e.message)
if not utils.is_valid_boolstr(is_public):
msg = _("Invalid value '%(is_public)s' for is_public. "
"Accepted values: True or False.") % {
'is_public': is_public
}
return utils.format_cinder_error(400, msg)
vol_type['extra_specs'] = specs
vol_type['is_public'] = is_public
vol_type['id'] = uuidutils.generate_uuid()
session = core.get_session()
with session.begin():
try:
db_api.volume_type_get_by_name(context, vol_type['name'],
session)
return utils.format_cinder_error(
409,
_("Volume Type %(id)s already exists.") %
{'id': vol_type['id']})
except exceptions.VolumeTypeNotFoundByName:
pass
try:
extra_specs = vol_type['extra_specs']
vol_type['extra_specs'] = \
self._metadata_refs(vol_type.get('extra_specs'),
models.VolumeTypeExtraSpecs)
volume_type_ref = models.VolumeTypes()
volume_type_ref.update(vol_type)
session.add(volume_type_ref)
for project in set(projects):
access_ref = models.VolumeTypeProjects()
access_ref.update({
"volume_type_id": volume_type_ref.id,
"project_id": project
})
access_ref.save(session=session)
except Exception as e:
LOG.exception(
_LE('Fail to create volume type: %(name)s,'
'%(exception)s'), {
'name': vol_type['name'],
'exception': e
})
return utils.format_cinder_error(
500, _('Fail to create volume type'))
vol_type['extra_specs'] = extra_specs
return {'volume_type': vol_type}