** Also affects: neutron/kilo
Importance: Undecided
Status: New
** Changed in: neutron/kilo
Milestone: None => kilo-rc2
** Changed in: neutron/kilo
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1416933
Title:
Race condition in Ha router updating port status
Status in OpenStack Neutron (virtual network service):
Fix Committed
Status in neutron kilo series:
New
Bug description:
When L2 agent call 'get_devices_details_list', the ports in this l2 agent
will firstly be updated to BUILD, then 'update_device_up' will update them to
ACTIVE, but for a Ha router which has two l3 agents, there will be race
condition.
reproduce progress(not always happen, but much time):
1. 'router-interface-add' add a subnet to Ha router
2. 'router-gateway-set' set router gateway
the gateway port status sometimes will always be BUILD
in 'get_device_details', the port status will be update, but I think
if a port status is ACTIVE and port['admin_state_up'] is True, this
port should not be update,
def get_device_details(self, rpc_context, **kwargs):
......
......
new_status = (q_const.PORT_STATUS_BUILD if port['admin_state_up']
else q_const.PORT_STATUS_DOWN)
if port['status'] != new_status:
plugin.update_port_status(rpc_context,
port_id,
new_status,
host)
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