Thanks for your explicit explanations，I even misunderstand(maybe superficial understand) the intentions of the random IP when I set up this thread :)
Ihar Hrachyshka <ihrac...@redhat.com>于2016年10月19日周三 上午12:05写道： > (To clarify for those not part of the neutron dev team, ‘fullstack’ in > neutron gate is not devstack/tempest, and does not involve other openstack > services, or multiple nodes.) > > No, we don’t dump a seed. I don’t think I saw a ‘fullstack’ failure that > required an exact environment duplication to reproduce a test failure. > > For neutron ‘fullstack’ tests, we run complete neutron services, and > collect all their logs, per test scenario. Basically, every ‘fullstack’ > test case is a tiny openstack setup with just neutron services running, > using some common resources like amqp bus, or ovs bridge emulating physical > infrastructure. As long as service logs are sufficient to debug failures, > it doesn’t differ much from any other failure in neutron f.e. in tempest. > > It’s common for neutron to allocate a ‘random’ address from a subnet > allocation pool for its network and instance ports, in which case we need > to trace port-ids and whatnot to link related server/agent/tempest logs. > (If you ask me why we randomize ip address allocation in neutron IPAM code, > that’s actually for a reason, to reduce database contention when allocating > addresses for parallel port requests). > > Ihar > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
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