def delete_network(self, context, id):
session = context.session
with session.begin(subtransactions=True):
segments = db.get_network_segments(session, id)
super(Ml2Plugin, self).delete_network(context, id)
for segment in segments:
self.type_manager.release_segment(session, segment)
# The segment records are deleted via cascade from the
# network record, so explicit removal is not necessary.
self.notifier.network_delete(context, id)
def _extend_network_dict_provider(self, context, network):
id = network['id']
segments = db.get_network_segments(context.session, id)
if not segments:
LOG.error(_("Network %s has no segments"), id)
network[provider.NETWORK_TYPE] = None
network[provider.PHYSICAL_NETWORK] = None
network[provider.SEGMENTATION_ID] = None
elif len(segments) > 1:
network[provider.NETWORK_TYPE] = TYPE_MULTI_SEGMENT
network[provider.PHYSICAL_NETWORK] = None
network[provider.SEGMENTATION_ID] = None
else:
segment = segments[0]
network[provider.NETWORK_TYPE] = segment[api.NETWORK_TYPE]
network[provider.PHYSICAL_NETWORK] = segment[api.PHYSICAL_NETWORK]
network[provider.SEGMENTATION_ID] = segment[api.SEGMENTATION_ID]
def _notify_port_updated(self, context, port):
session = context.session
with session.begin(subtransactions=True):
network_id = port['network_id']
segments = db.get_network_segments(session, network_id)
if not segments:
LOG.warning(_("In _notify_port_updated() for port %(port_id), "
"network %(network_id) has no segments"),
{'port_id': port['id'],
'network_id': network_id})
return
# TODO(rkukura): Use port binding to select segment.
segment = segments[0]
self.notifier.port_update(context, port,
segment[api.NETWORK_TYPE],
segment[api.SEGMENTATION_ID],
segment[api.PHYSICAL_NETWORK])
def get_device_details(self, rpc_context, **kwargs):
"""Agent requests device details."""
agent_id = kwargs.get('agent_id')
device = kwargs.get('device')
LOG.debug(_("Device %(device)s details requested by agent "
"%(agent_id)s"),
{'device': device, 'agent_id': agent_id})
port_id = self._device_to_port_id(device)
session = db_api.get_session()
with session.begin(subtransactions=True):
port = db.get_port(session, port_id)
if not port:
LOG.warning(_("Device %(device)s requested by agent "
"%(agent_id)s not found in database"),
{'device': device, 'agent_id': agent_id})
return {'device': device}
segments = db.get_network_segments(session, port.network_id)
if not segments:
LOG.warning(_("Device %(device)s requested by agent "
"%(agent_id)s has network %(network_id) with "
"no segments"),
{'device': device,
'agent_id': agent_id,
'network_id': port.network_id})
return {'device': device}
#TODO(rkukura): Use/create port binding
segment = segments[0]
new_status = (q_const.PORT_STATUS_ACTIVE if port.admin_state_up
else q_const.PORT_STATUS_DOWN)
if port.status != new_status:
port.status = new_status
entry = {'device': device,
'network_id': port.network_id,
'port_id': port.id,
'admin_state_up': port.admin_state_up,
'network_type': segment[api.NETWORK_TYPE],
'segmentation_id': segment[api.SEGMENTATION_ID],
'physical_network': segment[api.PHYSICAL_NETWORK]}
LOG.debug(_("Returning: %s"), entry)
return entry
