def reserve_provider_segment(self, session, segment):
if self.is_partial_segment(segment):
alloc = self.allocate_partially_specified_segment(session)
if not alloc:
raise exc.NoNetworkAvailable
else:
segmentation_id = segment.get(api.SEGMENTATION_ID)
alloc = self.allocate_fully_specified_segment(
session, vxlan_vni=segmentation_id)
if not alloc:
raise exc.TunnelIdInUse(tunnel_id=segmentation_id)
return {api.NETWORK_TYPE: p_const.TYPE_VXLAN,
api.PHYSICAL_NETWORK: None,
api.SEGMENTATION_ID: alloc.vxlan_vni}
def reserve_provider_segment(self, session, segment):
if self.is_partial_segment(segment):
alloc = self.allocate_partially_specified_segment(session)
if not alloc:
raise exc.NoNetworkAvailable()
else:
segmentation_id = segment.get(api.SEGMENTATION_ID)
alloc = self.allocate_fully_specified_segment(
session, **{self.segmentation_key: segmentation_id})
if not alloc:
raise exc.TunnelIdInUse(tunnel_id=segmentation_id)
return {api.NETWORK_TYPE: self.get_type(),
api.PHYSICAL_NETWORK: None,
api.SEGMENTATION_ID: getattr(alloc, self.segmentation_key)}
def reserve_specific_tunnel(session, tunnel_id):
with session.begin(subtransactions=True):
try:
alloc = (session.query(ovs_models_v2.TunnelAllocation).filter_by(
tunnel_id=tunnel_id).with_lockmode('update').one())
if alloc.allocated:
raise q_exc.TunnelIdInUse(tunnel_id=tunnel_id)
LOG.debug(_("Reserving specific tunnel %s from pool"), tunnel_id)
alloc.allocated = True
except exc.NoResultFound:
LOG.debug(_("Reserving specific tunnel %s outside pool"),
tunnel_id)
alloc = ovs_models_v2.TunnelAllocation(tunnel_id)
alloc.allocated = True
session.add(alloc)
def reserve_provider_segment(self, session, segment):
segmentation_id = segment.get(api.SEGMENTATION_ID)
with session.begin(subtransactions=True):
try:
alloc = (session.query(VxlanAllocation).filter_by(
vxlan_vni=segmentation_id).with_lockmode('update').one())
if alloc.allocated:
raise exc.TunnelIdInUse(tunnel_id=segmentation_id)
LOG.debug(_("Reserving specific vxlan tunnel %s from pool"),
segmentation_id)
alloc.allocated = True
except sa_exc.NoResultFound:
LOG.debug(_("Reserving specific vxlan tunnel %s outside pool"),
segmentation_id)
alloc = VxlanAllocation(vxlan_vni=segmentation_id)
alloc.allocated = True
session.add(alloc)
