def _update_routes_on_routers(self,
context,
target_router_id,
router_ids,
only_if_target_routes=False):
if only_if_target_routes:
# First check if the target router has any routes or next hop
# If not - it means that nothing changes so we can skip this
# backend call
target_routes = self._get_router_routes(context, target_router_id)
target_next_hop = self._get_router_next_hop(
context, target_router_id)
if not target_routes and not target_next_hop:
LOG.debug(
"_update_routes_on_routers skipped since router %s "
"has no routes", target_router_id)
return
nexthop = None
all_routes = []
for router_id in router_ids:
routes = self._get_router_routes(context, router_id)
filters = {'device_id': [router_id]}
ports = self.plugin.get_ports(context.elevated(), filters)
self.plugin._add_network_info_for_routes(context, routes, ports)
all_routes.extend(routes)
if not nexthop:
router_nexthop = self._get_router_next_hop(context, router_id)
if router_nexthop:
nexthop = router_nexthop
# TODO(berlin) do rollback op.
edge_utils.update_routes(self.nsx_v, context, target_router_id,
all_routes, nexthop)
def _update_routes_on_routers(self, context, target_router_id, router_ids,
only_if_target_routes=False):
if only_if_target_routes:
# First check if the target router has any routes or next hop
# If not - it means that nothing changes so we can skip this
# backend call
target_routes = self._get_router_routes(context, target_router_id)
target_next_hop = self._get_router_next_hop(
context, target_router_id)
if not target_routes and not target_next_hop:
LOG.debug("_update_routes_on_routers skipped since router %s "
"has no routes", target_router_id)
return
nexthop = None
all_routes = []
for router_id in router_ids:
routes = self._get_router_routes(context, router_id)
filters = {'device_id': [router_id]}
ports = self.plugin.get_ports(context.elevated(), filters)
self.plugin._add_network_info_for_routes(context, routes, ports)
all_routes.extend(routes)
if not nexthop:
router_nexthop = self._get_router_next_hop(context,
router_id)
if router_nexthop:
nexthop = router_nexthop
# TODO(berlin) do rollback op.
edge_utils.update_routes(self.nsx_v, context, target_router_id,
all_routes, nexthop)
def _update_routes_on_tlr(
self, context, router_id,
newnexthop=vcns_const.INTEGRATION_EDGE_IPADDRESS,
metadata_gateway=None):
internal_vnic_index = None
if newnexthop:
internal_vnic_index = (
edge_utils.get_internal_vnic_index_of_plr_tlr(
context, router_id))
routes = []
# If metadata service is configured, add a static route to direct
# metadata requests to a DHCP Edge on one of the attached networks
if metadata_gateway:
routes.append({'destination': METADATA_CIDR,
'nexthop': metadata_gateway['ip_address'],
'network_id': metadata_gateway['network_id']})
# Add extra routes referring to internal network on tlr
extra_routes = self.plugin._prepare_edge_extra_routes(
context, router_id)
routes.extend([route for route in extra_routes
if not route.get('external')])
edge_utils.update_routes(self.nsx_v, context,
router_id, routes, newnexthop,
gateway_vnic_index=internal_vnic_index)
def _update_routes_on_tlr(self,
context,
router_id,
newnexthop=vcns_const.INTEGRATION_EDGE_IPADDRESS,
metadata_gateway=None):
internal_vnic_index = None
if newnexthop:
internal_vnic_index = (
edge_utils.get_internal_vnic_index_of_plr_tlr(
context, router_id))
routes = []
# If metadata service is configured, add a static route to direct
# metadata requests to a DHCP Edge on one of the attached networks
if metadata_gateway:
routes.append({
'destination': METADATA_CIDR,
'nexthop': metadata_gateway['ip_address'],
'network_id': metadata_gateway['network_id']
})
# Add extra routes referring to internal network on tlr
extra_routes = self.plugin._prepare_edge_extra_routes(
context, router_id)
routes.extend(
[route for route in extra_routes if not route.get('external')])
edge_utils.update_routes(self.nsx_v,
context,
router_id,
routes,
newnexthop,
gateway_vnic_index=internal_vnic_index)
def _update_routes_on_tlr(
self, context, router_id,
newnexthop=edge_utils.get_vdr_transit_network_plr_address()):
routes = []
# Add extra routes referring to internal network on tlr
extra_routes = self.plugin._prepare_edge_extra_routes(
context, router_id)
routes.extend([route for route in extra_routes
if not route.get('external')])
edge_utils.update_routes(self.nsx_v, context,
router_id, routes, newnexthop)
def _update_routes_on_plr(self, context, router_id, plr_id, newnexthop):
lswitch_id = edge_utils.get_internal_lswitch_id_of_plr_tlr(
context, router_id)
subnets = self.plugin._find_router_subnets_cidrs(
context.elevated(), router_id)
routes = []
for subnet in subnets:
routes.append({
'destination': subnet,
'nexthop': (edge_utils.get_vdr_transit_network_tlr_address()),
'network_id': lswitch_id
})
# Add extra routes referring to external network on plr
extra_routes = self.plugin._prepare_edge_extra_routes(
context, router_id)
routes.extend([route for route in extra_routes
if route.get('external')])
edge_utils.update_routes(self.nsx_v, context,
plr_id, routes, newnexthop)
def _update_routes_on_tlr(
self, context, router_id,
newnexthop=edge_utils.get_vdr_transit_network_plr_address(),
metadata_gateway=None):
routes = []
# If metadata service is configured, add a static route to direct
# metadata requests to a DHCP Edge on one of the attached networks
if metadata_gateway:
routes.append({'destination': METADATA_CIDR,
'nexthop': metadata_gateway['ip_address'],
'network_id': metadata_gateway['network_id']})
# Add extra routes referring to internal network on tlr
extra_routes = self.plugin._prepare_edge_extra_routes(
context, router_id)
routes.extend([route for route in extra_routes
if not route.get('external')])
edge_utils.update_routes(self.nsx_v, context,
router_id, routes, newnexthop)
def _update_routes_on_routers(self, context, target_router_id, router_ids):
nexthop = None
all_routes = []
for router_id in router_ids:
routes = self.plugin._get_extra_routes_by_router_id(
context, router_id)
filters = {'device_id': [router_id]}
ports = self.plugin.get_ports(context.elevated(), filters)
self.plugin._add_network_info_for_routes(context, routes, ports)
all_routes.extend(routes)
if not nexthop:
router_qry = context.session.query(l3_db.Router)
router_db = router_qry.filter_by(id=router_id).one()
router_nexthop = self.plugin._get_external_attachment_info(
context, router_db)[2]
if router_nexthop:
nexthop = router_nexthop
# TODO(berlin) do rollback op.
edge_utils.update_routes(self.nsx_v, context, target_router_id,
all_routes, nexthop)
