def _update_router_db(self, context, router_id, data):
router_db = self._get_router(context, router_id)
original_distributed_state = router_db.extra_attributes.distributed
original_ha_state = router_db.extra_attributes.ha
requested_ha_state = data.pop('ha', None)
requested_distributed_state = data.get('distributed', None)
# cvr to dvrha
if not original_distributed_state and not original_ha_state:
if (requested_ha_state is True
and requested_distributed_state is True):
raise l3_ha.UpdateToDvrHamodeNotSupported()
# cvrha to any dvr...
elif not original_distributed_state and original_ha_state:
if requested_distributed_state is True:
raise l3_ha.DVRmodeUpdateOfHaNotSupported()
# dvr to any ha...
elif original_distributed_state and not original_ha_state:
if requested_ha_state is True:
raise l3_ha.HAmodeUpdateOfDvrNotSupported()
#dvrha to any cvr...
elif original_distributed_state and original_ha_state:
if requested_distributed_state is False:
raise l3_ha.DVRmodeUpdateOfDvrHaNotSupported()
#elif dvrha to dvr
if requested_ha_state is False:
raise l3_ha.HAmodeUpdateOfDvrHaNotSupported()
ha_changed = (requested_ha_state is not None
and requested_ha_state != original_ha_state)
if ha_changed:
if router_db.admin_state_up:
msg = _('Cannot change HA attribute of active routers. Please '
'set router admin_state_up to False prior to upgrade.')
raise n_exc.BadRequest(resource='router', msg=msg)
# set status to ALLOCATING so this router is no longer
# provided to agents while its interfaces are being re-configured.
# Keep in mind that if we want conversion to be hitless, this
# status cannot be used because agents treat hidden routers as
# deleted routers.
data['status'] = constants.ROUTER_STATUS_ALLOCATING
with context.session.begin(subtransactions=True):
router_db = super(L3_HA_NAT_db_mixin,
self)._update_router_db(context, router_id, data)
if not ha_changed:
return router_db
ha_network = self.get_ha_network(context, router_db.tenant_id)
router_db.extra_attributes.ha = requested_ha_state
if not requested_ha_state:
self._delete_vr_id_allocation(
context, ha_network, router_db.extra_attributes.ha_vr_id)
router_db.extra_attributes.ha_vr_id = None
# The HA attribute has changed. First unbind the router from agents
# to force a proper re-scheduling to agents.
# TODO(jschwarz): This will have to be more selective to get HA + DVR
# working (Only unbind from dvr_snat nodes).
self._unbind_ha_router(context, router_id)
if requested_ha_state:
ha_network = self._create_ha_interfaces_and_ensure_network(
context, router_db)[1]
self._set_vr_id(context, router_db, ha_network)
else:
self._delete_ha_interfaces(context, router_db.id)
self.schedule_router(context, router_id)
router_db = super(L3_HA_NAT_db_mixin, self)._update_router_db(
context, router_id, {'status': constants.ROUTER_STATUS_ACTIVE})
self._notify_ha_interfaces_updated(context,
router_db.id,
schedule_routers=False)
return router_db
def _update_router_db(self, context, router_id, data):
router_db = self._get_router(context, router_id)
original_distributed_state = router_db.extra_attributes.distributed
original_ha_state = router_db.extra_attributes.ha
requested_ha_state = data.pop('ha', None)
requested_distributed_state = data.get('distributed', None)
# cvr to dvrha
if not original_distributed_state and not original_ha_state:
if (requested_ha_state is True and
requested_distributed_state is True):
raise l3_ha.UpdateToDvrHamodeNotSupported()
# cvrha to any dvr...
elif not original_distributed_state and original_ha_state:
if requested_distributed_state is True:
raise l3_ha.DVRmodeUpdateOfHaNotSupported()
# dvr to any ha...
elif original_distributed_state and not original_ha_state:
if requested_ha_state is True:
raise l3_ha.HAmodeUpdateOfDvrNotSupported()
#dvrha to any cvr...
elif original_distributed_state and original_ha_state:
if requested_distributed_state is False:
raise l3_ha.DVRmodeUpdateOfDvrHaNotSupported()
#elif dvrha to dvr
if requested_ha_state is False:
raise l3_ha.HAmodeUpdateOfDvrHaNotSupported()
with context.session.begin(subtransactions=True):
router_db = super(L3_HA_NAT_db_mixin, self)._update_router_db(
context, router_id, data)
ha_not_changed = (requested_ha_state is None or
requested_ha_state == original_ha_state)
if ha_not_changed:
return router_db
if router_db.admin_state_up:
msg = _('Cannot change HA attribute of active routers. Please '
'set router admin_state_up to False prior to upgrade.')
raise n_exc.BadRequest(resource='router', msg=msg)
ha_network = self.get_ha_network(context,
router_db.tenant_id)
router_db.extra_attributes.ha = requested_ha_state
if not requested_ha_state:
self._delete_vr_id_allocation(
context, ha_network, router_db.extra_attributes.ha_vr_id)
router_db.extra_attributes.ha_vr_id = None
# The HA attribute has changed. First unbind the router from agents
# to force a proper re-scheduling to agents.
# TODO(jschwarz): This will have to be more selective to get HA + DVR
# working (Only unbind from dvr_snat nodes).
self._unbind_ha_router(context, router_id)
if requested_ha_state:
if not ha_network:
ha_network = self._create_ha_network(context,
router_db.tenant_id)
self._set_vr_id(context, router_db, ha_network)
self._create_ha_interfaces(context, router_db, ha_network)
self._notify_ha_interfaces_updated(context, router_db.id)
else:
self._delete_ha_interfaces(context, router_db.id)
self._notify_ha_interfaces_updated(context, router_db.id)
return router_db
