def _update_router_gw_info(self, context, router_id, info,
is_routes_update=False):
router = self.plugin._get_router(context, router_id)
org_ext_net_id = router.gw_port_id and router.gw_port.network_id
org_enable_snat = router.enable_snat
orgaddr, orgmask, orgnexthop = (
self.plugin._get_external_attachment_info(
context, router))
super(nsx_v.NsxVPluginV2, self.plugin)._update_router_gw_info(
context, router_id, info, router=router)
new_ext_net_id = router.gw_port_id and router.gw_port.network_id
new_enable_snat = router.enable_snat
newaddr, newmask, newnexthop = (
self.plugin._get_external_attachment_info(
context, router))
plr_id = self.edge_manager.get_plr_by_tlr_id(context, router_id)
if not new_ext_net_id:
if plr_id:
# delete all plr relative conf
self.edge_manager.delete_plr_by_tlr_id(
context, plr_id, router_id)
else:
# Connecting plr to the tlr if new_ext_net_id is not None.
if not plr_id:
plr_id = self.edge_manager.create_plr_with_tlr_id(
context, router_id, router.get('name'))
if new_ext_net_id != org_ext_net_id and orgnexthop:
# network changed, so need to remove default gateway
# and all static routes before vnic can be configured
edge_utils.clear_gateway(self.nsx_v, context, plr_id)
# Update external vnic if addr or mask is changed
if orgaddr != newaddr or orgmask != newmask:
edge_utils.update_external_interface(
self.nsx_v, context, plr_id,
new_ext_net_id, newaddr, newmask)
# Update SNAT rules if ext net changed
# or ext net not changed but snat is changed.
if (new_ext_net_id != org_ext_net_id or
(new_ext_net_id == org_ext_net_id and
new_enable_snat != org_enable_snat)):
self.plugin._update_nat_rules(context, router, plr_id)
if (new_ext_net_id != org_ext_net_id or
new_enable_snat != org_enable_snat or
is_routes_update):
# Open firewall flows on plr
self.plugin._update_subnets_and_dnat_firewall(
context, router, router_id=plr_id)
# update static routes in all
self.update_routes(context, router_id, newnexthop)
if self.plugin.metadata_proxy_handler:
self._metadata_route_setup(context, router_id)
def _update_router_gw_info(self, context, router_id, info,
is_routes_update=False):
router = self.plugin._get_router(context, router_id)
org_ext_net_id = router.gw_port_id and router.gw_port.network_id
org_enable_snat = router.enable_snat
orgaddr, orgmask, orgnexthop = (
self.plugin._get_external_attachment_info(
context, router))
super(nsx_v.NsxVPluginV2, self.plugin)._update_router_gw_info(
context, router_id, info, router=router)
new_ext_net_id = router.gw_port_id and router.gw_port.network_id
new_enable_snat = router.enable_snat
newaddr, newmask, newnexthop = (
self.plugin._get_external_attachment_info(
context, router))
edge_id = self._get_router_edge_id(context, router_id)
with locking.LockManager.get_lock(edge_id, external=True):
if new_ext_net_id != org_ext_net_id and orgnexthop:
# network changed, so need to remove default gateway before
# vnic can be configured
LOG.debug("Delete default gateway %s", orgnexthop)
edge_utils.clear_gateway(self.nsx_v, context, router_id)
# Update external vnic if addr or mask is changed
if orgaddr != newaddr or orgmask != newmask:
edge_utils.update_external_interface(
self.nsx_v, context, router_id,
new_ext_net_id, newaddr, newmask)
# Update SNAT rules if ext net changed
# or ext net not changed but snat is changed.
if (new_ext_net_id != org_ext_net_id or
(new_ext_net_id == org_ext_net_id and
new_enable_snat != org_enable_snat)):
self.plugin._update_nat_rules(context, router)
if (new_ext_net_id != org_ext_net_id or
new_enable_snat != org_enable_snat or
is_routes_update):
self.plugin._update_subnets_and_dnat_firewall(context, router)
# Update static routes in all.
self.plugin._update_routes(context, router_id, newnexthop)
def _update_external_interface_on_routers(self, context,
target_router_id, router_ids):
ext_net_ids = self._get_ext_net_ids(context, router_ids)
if len(ext_net_ids) > 1:
msg = _("Can't configure external interface on multiple external "
"networks")
raise nsx_exc.NsxPluginException(err_msg=msg)
gateway_primary_addr = None
gateway_mask = None
gateway_nexthop = None
secondary = []
if not ext_net_ids:
ext_net_id = None
else:
ext_net_id = ext_net_ids[0]
for router_id in router_ids:
router_qry = context.session.query(l3_db.Router)
router = router_qry.filter_by(id=router_id).one()
addr, mask, nexthop = self.plugin._get_external_attachment_info(
context, router)
if addr:
if not gateway_primary_addr:
gateway_primary_addr = addr
else:
secondary.append(addr)
if mask and not gateway_mask:
gateway_mask = mask
if nexthop and not gateway_nexthop:
gateway_nexthop = nexthop
secondary.extend(self.plugin._get_floatingips_by_router(
context, router_id))
LOG.debug('Configure ext interface as following, ext_net: %s, '
'primaryAddress: %s, netmask: %s, nexthop: %s, secondary: '
'%s.', ext_net_id, gateway_primary_addr, gateway_mask,
gateway_nexthop, secondary)
edge_utils.update_external_interface(
self.nsx_v, context, target_router_id, ext_net_id,
gateway_primary_addr, gateway_mask, secondary)
