def create_from_subnet_request(cls, subnet_request, ctx):
ipam_subnet_id = uuidutils.generate_uuid()
subnet_manager = ipam_db_api.IpamSubnetManager(
ipam_subnet_id, subnet_request.subnet_id)
# Create subnet resource
session = ctx.session
subnet_manager.create(session)
# If allocation pools are not specified, define them around
# the subnet's gateway IP
if not subnet_request.allocation_pools:
pools = ipam_utils.generate_pools(subnet_request.subnet_cidr,
subnet_request.gateway_ip)
else:
pools = subnet_request.allocation_pools
# Create IPAM allocation pools
cls.create_allocation_pools(subnet_manager, session, pools,
subnet_request.subnet_cidr)
return cls(ipam_subnet_id,
ctx,
cidr=subnet_request.subnet_cidr,
allocation_pools=pools,
gateway_ip=subnet_request.gateway_ip,
tenant_id=subnet_request.tenant_id,
subnet_id=subnet_request.subnet_id)
def setUp(self):
super(TestIpamSubnetManager, self).setUp()
self.ctx = context.get_admin_context()
self.neutron_subnet_id = uuidutils.generate_uuid()
self.ipam_subnet_id = uuidutils.generate_uuid()
self.subnet_ip = '1.2.3.4'
self.single_pool = ('1.2.3.4', '1.2.3.10')
self.multi_pool = (('1.2.3.2', '1.2.3.12'), ('1.2.3.15', '1.2.3.24'))
self.subnet_manager = db_api.IpamSubnetManager(self.ipam_subnet_id,
self.neutron_subnet_id)
self.subnet_manager_id = self.subnet_manager.create(self.ctx)
self.ctx.session.flush()
def __init__(self, internal_id, ctx, cidr=None,
allocation_pools=None, gateway_ip=None, tenant_id=None,
subnet_id=None):
# NOTE: In theory it could have been possible to grant the IPAM
# driver direct access to the database. While this is possible,
# it would have led to duplicate code and/or non-trivial
# refactorings in neutron.db.db_base_plugin_v2.
# This is because in the Neutron V2 plugin logic DB management is
# encapsulated within the plugin.
self._cidr = cidr
self._pools = allocation_pools
self._gateway_ip = gateway_ip
self._tenant_id = tenant_id
self._subnet_id = subnet_id
self.subnet_manager = ipam_db_api.IpamSubnetManager(internal_id,
self._subnet_id)
self._context = ctx
