def _update_switch_ports(self, context, switch_id, ports, db_switch_ports):
port_ifname_map = {}
db_swport_ifname_map = {}
for port in ports:
port_ifname_map[port['interface_name']] = const.PORT_STATUS[
port['port_status']]
for sw_port in db_switch_ports:
db_swport_ifname_map[
sw_port['interface_name']] = sw_port['port_status']
for port_ifname in port_ifname_map.keys():
if port_ifname in db_swport_ifname_map.keys():
if port_ifname_map[port_ifname] != db_swport_ifname_map[
port_ifname]:
db.update_bnp_phys_swport_status(
context, switch_id,
port_ifname, port_ifname_map[port_ifname])
port_ifname_map.pop(port_ifname)
db_swport_ifname_map.pop(port_ifname)
elif port_ifname not in db_swport_ifname_map.keys():
for port in ports:
if port['interface_name'] == port_ifname:
ifindex = port['ifindex']
break
phys_port = {'switch_id': switch_id,
'port_status': port_ifname_map[port_ifname],
'interface_name': port_ifname,
'ifindex': ifindex}
db.add_bnp_phys_switch_port(context, phys_port)
port_ifname_map.pop(port_ifname)
if db_swport_ifname_map:
for swport_ifname in db_swport_ifname_map:
db.delete_bnp_phys_switch_ports_by_name(context, switch_id,
swport_ifname)
def test_update_bnp_phys_swport_status(self):
"""Test update_bnp_phys_swport_status method."""
port_dict = self._get_bnp_phys_switchport_dict()
db.add_bnp_phys_switch_port(self.ctx, port_dict)
db.update_bnp_phys_swport_status(self.ctx,
port_dict['switch_id'],
port_dict['interface_name'],
"DOWN")
port_updt = self.ctx.session.query(models.BNPPhysicalSwitchPort).all()
self.assertEqual(port_updt[0]['port_status'], "DOWN")
def monitor_port_status(self):
"""Sync switch database periodically."""
self.context = neutron_context.get_admin_context()
portmaps = db.get_all_bnp_swport_mappings(self.context)
for portmap in portmaps:
swport = db.get_bnp_phys_switch_port_by_id(
self.context, portmap['switch_port_id'])
old_status = swport['port_status']
switch = db.get_bnp_phys_switch(self.context,
portmap['switch_id'])
try:
snmp_drv = discovery_driver.SNMPDiscoveryDriver(switch)
port_status = snmp_drv.get_port_status(swport['ifindex'])
except Exception as e:
LOG.error(_LE("BNP SNMP polling exception: %s."), e)
if old_status != 'UNKNOWN':
LOG.info(_LI("BNP SNMP polling: Update port status to "
"UNKNOWN."))
db.update_bnp_phys_swport_status(
self.context, swport['switch_id'],
swport['interface_name'], 'UNKNOWN')
db.set_port_status(self.context,
portmap['neutron_port_id'],
n_const.PORT_STATUS_ERROR)
else:
new_status = constants.PORT_STATUS.get(str(port_status))
LOG.debug("BNP SNMP polling: new port status %s", new_status)
if new_status != old_status:
LOG.info(_LI('BNP SNMP polling: Update port status to %s'),
new_status)
db.update_bnp_phys_swport_status(
self.context, swport['switch_id'],
swport['interface_name'], new_status)
if new_status == 'UP':
db.set_port_status(self.context,
portmap['neutron_port_id'],
n_const.PORT_STATUS_ACTIVE)
else:
db.set_port_status(self.context,
portmap['neutron_port_id'],
n_const.PORT_STATUS_DOWN)
