** Changed in: neutron
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1260440
Title:
nova-compute host is added to scheduling pool before Neutron can bind
network ports on said host
Status in neutron:
Invalid
Status in OpenStack Compute (nova):
Expired
Status in tripleo:
Fix Released
Bug description:
This is a race condition.
Given a cloud with 0 compute nodes available, on a compute node:
* Start up neutron-openvswitch-agent
* Start up nova-compute
* nova boot an instance
Scenario 1:
* neutron-openvswitch-agent registers with Neutron before nova tries to boot
instance
* port is bound to agent
* instance boots with correct networking
Scenario 2:
* nova schedules instance to host before neutron-openvswitch-agent is
registered with Neutron
* nova instance fails with vif_type=binding_failed
* instance is in ERROR state
I would expect that Nova would not try to schedule instances on
compute hosts that are not ready.
Please also see this mailing list thread for more info:
http://lists.openstack.org/pipermail/openstack-
dev/2013-December/022084.html
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