def update_device_up(self, rpc_context, **kwargs):
"""Device is up on agent."""
agent_id = kwargs.get('agent_id')
device = kwargs.get('device')
LOG.debug(_("Device %(device)s up at 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 updated up by agent "
"%(agent_id)s not found in database"),
{'device': device, 'agent_id': agent_id})
if port.status != q_const.PORT_STATUS_ACTIVE:
port.status = q_const.PORT_STATUS_ACTIVE
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
def update_device_down(self, rpc_context, **kwargs):
"""Device no longer exists on agent."""
# TODO(garyk) - live migration and port status
agent_id = kwargs.get('agent_id')
device = kwargs.get('device')
LOG.debug(_("Device %(device)s no longer exists at 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 updated down by agent "
"%(agent_id)s not found in database"),
{'device': device, 'agent_id': agent_id})
return {'device': device,
'exists': False}
if port.status != q_const.PORT_STATUS_DOWN:
port.status = q_const.PORT_STATUS_DOWN
return {'device': device,
'exists': True}