def reload_allocations(self, port, network, prio=False):
LOG.info("Trigger reload_allocations for port %s on network %s", port,
network)
if not dhcp.port_requires_dhcp_configuration(port):
return
driver_action = 'reload_allocations'
if self._is_port_on_this_agent(port):
orig = self.cache.get_port_by_id(port['id'])
# assume IP change if not in cache
orig = orig or {'fixed_ips': []}
old_ips = {i['ip_address'] for i in orig['fixed_ips'] or []}
new_ips = {i['ip_address'] for i in port['fixed_ips']}
old_subs = {i['subnet_id'] for i in orig['fixed_ips'] or []}
new_subs = {i['subnet_id'] for i in port['fixed_ips']}
if new_subs != old_subs:
# subnets being serviced by port have changed, this could
# indicate a subnet_delete is in progress. schedule a
# resync rather than an immediate restart so we don't
# attempt to re-allocate IPs at the same time the server
# is deleting them.
self.schedule_resync("Agent port was modified",
port.network_id)
return
elif old_ips != new_ips:
LOG.debug("Agent IPs on network %s changed from %s to %s",
network.id, old_ips, new_ips)
driver_action = 'restart'
self.cache.put_port(port)
self.call_driver(driver_action, network)
if prio:
self.dhcp_prio_ready_ports.add(port.id)
else:
self.dhcp_ready_ports.add(port.id)
self.update_isolated_metadata_proxy(network)
def port_create_end(self, context, payload):
"""Handle the port.create.end notification event."""
created_port = dhcp.DictModel(payload['port'])
if not dhcp.port_requires_dhcp_configuration(created_port):
return
update = DHCPResourceUpdate(created_port.network_id,
payload.get('priority', DEFAULT_PRIORITY),
action='_port_create',
resource=created_port, obj_type='port')
self._queue.add(update)
def port_update_end(self, context, payload):
"""Handle the port.update.end notification event."""
updated_port = dhcp.DictModel(payload['port'])
if not dhcp.port_requires_dhcp_configuration(updated_port):
return
if self.cache.is_port_message_stale(updated_port):
LOG.debug("Discarding stale port update: %s", updated_port)
return
update = DHCPResourceUpdate(updated_port.network_id,
payload.get('priority', DEFAULT_PRIORITY),
action='_port_update',
resource=updated_port, obj_type='port')
self._queue.add(update)