class SubnetPool(base.NeutronDbObject):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = models.SubnetPool
fields = {
'id': common_types.UUIDField(),
'project_id': obj_fields.StringField(nullable=True),
'name': obj_fields.StringField(nullable=True),
'ip_version': common_types.IPVersionEnumField(),
'default_prefixlen': common_types.IPNetworkPrefixLenField(),
'min_prefixlen': common_types.IPNetworkPrefixLenField(),
'max_prefixlen': common_types.IPNetworkPrefixLenField(),
'shared': obj_fields.BooleanField(),
'is_default': obj_fields.BooleanField(),
'default_quota': obj_fields.IntegerField(nullable=True),
'hash': obj_fields.StringField(nullable=True),
'address_scope_id': common_types.UUIDField(nullable=True),
'prefixes': common_types.ListOfIPNetworksField(nullable=True)
}
fields_no_update = ['id', 'project_id']
synthetic_fields = ['prefixes']
def from_db_object(self, db_obj):
super(SubnetPool, self).from_db_object(db_obj)
self.prefixes = []
self.prefixes = [
prefix.cidr
for prefix in db_obj.get('prefixes', [])
]
self.obj_reset_changes(['prefixes'])
def _attach_prefixes(self, prefixes):
SubnetPoolPrefix.delete_objects(self.obj_context,
subnetpool_id=self.id)
for prefix in prefixes:
SubnetPoolPrefix(self.obj_context, subnetpool_id=self.id,
cidr=prefix).create()
self.prefixes = prefixes
self.obj_reset_changes(['prefixes'])
# TODO(ihrachys): Consider extending base to trigger registered methods
def create(self):
fields = self.obj_get_changes()
with self.db_context_writer(self.obj_context):
prefixes = self.prefixes
super(SubnetPool, self).create()
if 'prefixes' in fields:
self._attach_prefixes(prefixes)
# TODO(ihrachys): Consider extending base to trigger registered methods
def update(self):
fields = self.obj_get_changes()
with self.db_context_writer(self.obj_context):
super(SubnetPool, self).update()
if 'prefixes' in fields:
self._attach_prefixes(fields['prefixes'])
def setUp(self):
super(IPNetworkPrefixLenFieldTest, self).setUp()
self.field = common_types.IPNetworkPrefixLenField()
self.coerce_good_values = [(x, x) for x in (0, 32, 128, 42)]
self.coerce_bad_values = ['len', '1', 129, -1]
self.to_primitive_values = self.coerce_good_values
self.from_primitive_values = self.coerce_good_values
class SubnetPool(base.NeutronDbObject):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = models.SubnetPool
fields = {
'id': obj_fields.UUIDField(),
'tenant_id': obj_fields.UUIDField(nullable=True),
'name': obj_fields.StringField(nullable=True),
'ip_version': common_types.IPVersionEnumField(),
'default_prefixlen': common_types.IPNetworkPrefixLenField(),
'min_prefixlen': common_types.IPNetworkPrefixLenField(),
'max_prefixlen': common_types.IPNetworkPrefixLenField(),
'shared': obj_fields.BooleanField(),
'is_default': obj_fields.BooleanField(),
'default_quota': obj_fields.IntegerField(nullable=True),
'hash': obj_fields.StringField(nullable=True),
'address_scope_id': obj_fields.UUIDField(nullable=True),
'prefixes': common_types.ListOfIPNetworksField(nullable=True)
}
fields_no_update = ['id', 'tenant_id']
synthetic_fields = ['prefixes']
@classmethod
def modify_fields_from_db(cls, db_obj):
fields = super(SubnetPool, cls).modify_fields_from_db(db_obj)
if 'prefixes' in fields:
fields['prefixes'] = [
netaddr.IPNetwork(prefix.cidr) for prefix in fields['prefixes']
]
return fields
@classmethod
def modify_fields_to_db(cls, fields):
result = super(SubnetPool, cls).modify_fields_to_db(fields)
if 'prefixes' in result:
result['prefixes'] = [
models.SubnetPoolPrefix(cidr=str(prefix),
subnetpool_id=result['id'])
for prefix in result['prefixes']
]
return result
def reload_prefixes(self):
prefixes = [
obj.cidr
for obj in SubnetPoolPrefix.get_objects(self.obj_context,
subnetpool_id=self.id)
]
setattr(self, 'prefixes', prefixes)
self.obj_reset_changes(['prefixes'])
@classmethod
def get_object(cls, context, **kwargs):
with db_api.autonested_transaction(context.session):
pool_obj = super(SubnetPool, cls).get_object(context, **kwargs)
if pool_obj is not None:
pool_obj.reload_prefixes()
return pool_obj
@classmethod
def get_objects(cls, context, **kwargs):
with db_api.autonested_transaction(context.session):
objs = super(SubnetPool, cls).get_objects(context, **kwargs)
for obj in objs:
obj.reload_prefixes()
return objs
def _get_changed_synthetic_fields(self):
fields = self.obj_get_changes()
for field in self._get_changed_persistent_fields():
if field in fields:
del fields[field]
return fields
# TODO(ihrachys): Consider extending base to trigger registered methods
def create(self):
synthetic_changes = self._get_changed_synthetic_fields()
with db_api.autonested_transaction(self.obj_context.session):
super(SubnetPool, self).create()
if 'prefixes' in synthetic_changes:
for prefix in self.prefixes:
prefix = SubnetPoolPrefix(self.obj_context,
subnetpool_id=self.id,
cidr=prefix)
prefix.create()
self.reload_prefixes()
# TODO(ihrachys): Consider extending base to trigger registered methods
def update(self):
with db_api.autonested_transaction(self.obj_context.session):
synthetic_changes = self._get_changed_synthetic_fields()
super(SubnetPool, self).update()
if synthetic_changes:
if 'prefixes' in synthetic_changes:
old = SubnetPoolPrefix.get_objects(self.obj_context,
subnetpool_id=self.id)
for prefix in old:
prefix.delete()
for prefix in self.prefixes:
prefix_obj = SubnetPoolPrefix(self.obj_context,
subnetpool_id=self.id,
cidr=prefix)
prefix_obj.create()
