def get_nsx_router_id(session, cluster, neutron_router_id):
"""Return the NSX router uuid for a given neutron router.
First, look up the Neutron database. If not found, execute
a query on NSX platform as the mapping might be missing.
"""
if not neutron_router_id:
return
nsx_router_id = nsx_db.get_nsx_router_id(
session, neutron_router_id)
if not nsx_router_id:
# Find logical router from backend.
# This is a rather expensive query, but it won't be executed
# more than once for each router in Neutron's lifetime
nsx_routers = routerlib.query_lrouters(
cluster, '*',
filters={'tag': neutron_router_id,
'tag_scope': 'q_router_id'})
# Only one result expected
# NOTE(salv-orlando): Not handling the case where more than one
# port is found with the same neutron port tag
if not nsx_routers:
LOG.warn(_LW("Unable to find NSX router for Neutron router %s"),
neutron_router_id)
return
nsx_router = nsx_routers[0]
nsx_router_id = nsx_router['uuid']
with session.begin(subtransactions=True):
# Create DB mapping
nsx_db.add_neutron_nsx_router_mapping(
session,
neutron_router_id,
nsx_router_id)
return nsx_router_id
def create_router(self, context, router):
result = nsxlib.create_logical_router(
display_name=router['router'].get('name', 'a_router_with_no_name'),
tier_0=True,
edge_cluster_uuid=cfg.CONF.nsx_v3.default_edge_cluster_uuid)
with context.session.begin():
router = super(NsxV3Plugin, self).create_router(
context, router)
nsx_db.add_neutron_nsx_router_mapping(
context.session, router['id'], result['id'])
return router
def create_router(self, context, router):
tags = utils.build_v3_tags_payload(router["router"])
result = nsxlib.create_logical_router(
display_name=router["router"].get("name", "a_router_with_no_name"),
tier_0=True,
edge_cluster_uuid=cfg.CONF.nsx_v3.default_edge_cluster_uuid,
tags=tags,
)
with context.session.begin():
router = super(NsxV3Plugin, self).create_router(context, router)
nsx_db.add_neutron_nsx_router_mapping(context.session, router["id"], result["id"])
return router
