def _disjoin_lrouter_and_gw_lrouter(self, router, transit_net_ports):
router_id = router['id']
lrouter_name = utils.ovn_name(router_id)
gw_lrouter_name = utils.ovn_gateway_router_name(router_id)
gtrp_ip = transit_net_ports['gtsp']['ip']
gtrp_name = utils.ovn_lrouter_port_name(utils.ovn_gtsp_name(router_id))
dtrp_name = utils.ovn_lrouter_port_name(utils.ovn_dtsp_name(router_id))
lswitch_name = utils.ovn_transit_ls_name(router_id)
dtsp_name = utils.ovn_dtsp_name(router_id)
gtsp_name = utils.ovn_gtsp_name(router_id)
with self._ovn.transaction(check_error=True) as txn:
# 1. Delete default static route in gateway router
txn.add(self._ovn.delete_static_route(
lrouter_name, ip_prefix="0.0.0.0/0", nexthop=gtrp_ip))
# 2. Delete gtrp port
txn.add(self._ovn.delete_lrouter_port(gtrp_name, gw_lrouter_name))
# 3. Delete dtrp port
txn.add(self._ovn.delete_lrouter_port(dtrp_name, lrouter_name))
# 4. Delete gtsp port
txn.add(self._ovn.delete_lswitch_port(gtsp_name, lswitch_name))
# 5. Delete dtsp port
txn.add(self._ovn.delete_lswitch_port(dtsp_name, lswitch_name))
# 6. Delete transit logical switch
txn.add(self._ovn.delete_lswitch(lswitch_name))
def _join_lrouter_and_gw_lrouter(self, router, transit_net_ports):
router_id = router['id']
lswitch_name = utils.ovn_transit_ls_name(router_id)
dtsp_name = utils.ovn_dtsp_name(router_id)
dtsp_addresses = transit_net_ports['dtsp']['addresses']
gtsp_name = utils.ovn_gtsp_name(router_id)
gtsp_addresses = transit_net_ports['gtsp']['addresses']
gw_lrouter_name = utils.ovn_gateway_router_name(router_id)
lrouter_name = utils.ovn_name(router_id)
gtrp_name = utils.ovn_lrouter_port_name(utils.ovn_gtsp_name(router_id))
gtrp_mac = transit_net_ports['gtsp']['mac_address']
gtrp_ip = transit_net_ports['gtsp']['ip']
cidr = netaddr.IPNetwork(self._l3_admin_net_cidr)
gtrp_network = "%s/%s" % (gtrp_ip, str(cidr.prefixlen))
dtrp_name = utils.ovn_lrouter_port_name(utils.ovn_dtsp_name(router_id))
dtrp_mac = transit_net_ports['dtsp']['mac_address']
dtrp_ip = transit_net_ports['dtsp']['ip']
dtrp_network = "%s/%s" % (dtrp_ip, str(cidr.prefixlen))
with self._ovn.transaction(check_error=True) as txn:
# 1. Create a transit logical switch
txn.add(self._ovn.create_lswitch(lswitch_name=lswitch_name))
# 2. Add dtsp port
txn.add(self._ovn.create_lswitch_port(lport_name=dtsp_name,
lswitch_name=lswitch_name,
addresses=dtsp_addresses,
enabled='True'))
# 3. Add gtsp port
txn.add(self._ovn.create_lswitch_port(lport_name=gtsp_name,
lswitch_name=lswitch_name,
addresses=gtsp_addresses,
enabled='True'))
# 4. Add dtrp port in logical router
txn.add(self._ovn.add_lrouter_port(name=dtrp_name,
lrouter=lrouter_name,
mac=dtrp_mac,
networks=dtrp_network))
txn.add(self._ovn.set_lrouter_port_in_lswitch_port(
utils.ovn_dtsp_name(router_id), dtrp_name))
# 5. Add gtrp port in gateway router
txn.add(self._ovn.add_lrouter_port(name=gtrp_name,
lrouter=gw_lrouter_name,
mac=gtrp_mac,
networks=gtrp_network))
txn.add(self._ovn.set_lrouter_port_in_lswitch_port(
utils.ovn_gtsp_name(router_id), gtrp_name))
# 6. Add default static route in gateway router with nexthop as
# gtrp ip
txn.add(self._ovn.add_static_route(lrouter_name,
ip_prefix='0.0.0.0/0',
nexthop=gtrp_ip))
