** Changed in: nova Status: Fix Committed => Fix Released ** Changed in: nova Milestone: None => juno-rc1
-- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1359510 Title: Network deallocation can fail with use_single_default_gateway Status in OpenStack Compute (Nova): Fix Released Bug description: There is a race condition in linux_net.get_dhcp_opts when use_single_default_gateway is set. Because it makes multiple queries, if an instance is deleted while iterating through the list of fixed ips, it can cause an exception like the following: 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 1043, in update_dhcp 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher restart_dhcp(context, dev, network_ref) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line 249, in inner 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher return f(*args, **kwargs) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 1096, in restart_dhcp 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher write_to_file(optsfile, get_dhcp_opts(context, network_ref)) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 1016, in get_dhcp_opts 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher context, instance_uuid) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 110, in wrapper 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher args, kwargs) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/conductor/rpcapi.py", line 425, in object_class_action 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher objver=objver, args=args, kwargs=kwargs) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/client.py", line 150, in call 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher wait_for_reply=True, timeout=timeout) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo/messaging/transport.py", line 90, in _send 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher timeout=timeout) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py", line 412, in send 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher return self._send(target, ctxt, message, wait_for_reply, timeout) 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py", line 405, in _send 2014-08-20 19:44:31.371 10867 TRACE oslo.messaging.rpc.dispatcher raise result While the query could be fixed to catch the exception, this code is also horribly inefficient, so the logic needs to be fixed to only make one db query. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1359510/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp