def reserve_specific_network(session, physical_network, segmentation_id):
with session.begin(subtransactions=True):
log_args = {'seg_id': segmentation_id, 'phy_net': physical_network}
try:
entry = (session.query(mlnx_models_v2.SegmentationIdAllocation).
filter_by(physical_network=physical_network,
segmentation_id=segmentation_id).
with_lockmode('update').one())
if entry.allocated:
raise n_exc.VlanIdInUse(vlan_id=segmentation_id,
physical_network=physical_network)
LOG.debug(_("Reserving specific vlan %(seg_id)s "
"on physical network %(phy_net)s from pool"),
log_args)
entry.allocated = True
except exc.NoResultFound:
LOG.debug(_("Reserving specific vlan %(seg_id)s on "
"physical network %(phy_net)s outside pool"),
log_args)
entry = mlnx_models_v2.SegmentationIdAllocation(physical_network,
segmentation_id)
entry.allocated = True
session.add(entry)
def _add_missing_allocatable_vlans(session, physical_network, vlan_ids):
for vlan_id in sorted(vlan_ids):
entry = mlnx_models_v2.SegmentationIdAllocation(
physical_network, vlan_id)
session.add(entry)
