** Also affects: nova/train
Importance: Undecided
Status: New
** Changed in: nova/train
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1849695
Title:
resize of server with qos ports fails if called by non admin user
Status in OpenStack Compute (nova):
In Progress
Status in OpenStack Compute (nova) train series:
Triaged
Bug description:
As a non admin:
* Create a server with a qos port.
* Resize the server to another flavor.
=> Server goes to ERROR state and the following is logged in the nova-
compute log on the destination host
Oct 24 14:33:42 aio nova-compute[10293]: ERROR
oslo_messaging.rpc.server PortUpdateFailed: Port update failed for
port b1593c18-b088-4d5c-b3c6-bdd5348f3b52: Provider mappings are not
available to the compute service but are required for ports with a
resource request.
Triage:
Similarly to bug 1849657 Nova uses a non admin Neutron client to query
the ports[1] at the start of the resize. The the resize operation is
not called by an admin user then the resource_request field of the
Neutron is not filled. This causes that Nova does allocate resources
and does not create port - rp mapping for the qos ports on the
destination node. But when the qos port is being updated on the
destination host [2] nova uses an admin client and therefore sees the
resource_request of the qos ports. As the port - rp mapping is missing
for these ports the resize fails.
[1]
https://github.com/openstack/nova/blob/1bfa4626d13d0a73e63745cc4a864ae86d490daf/nova/network/neutronv2/api.py#L2228
[2]
https://github.com/openstack/nova/blob/1bfa4626d13d0a73e63745cc4a864ae86d490daf/nova/network/neutronv2/api.py#L3305
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