** Changed in: neutron
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1940312
Title:
Ussuri-only: Network segments are not tried out for allocation
Status in neutron:
Fix Released
Bug description:
* High level description: When we get a list of segments to choose
from, and the first segment is already allocated, it fails right away
returning RetryRequest exception, the the other segments are never
tried out.
I explain it a little further on the comments of PatchSet 1 here:
https://review.opendev.org/c/openstack/neutron/+/803986/1
This actually works at master due to a side effect of a refactoring
that was done on
https://opendev.org/openstack/neutron/commit/6eaa6d83d7c7f07fd4bf04879c91582de504eff4
to randomize the selection of segments, but on stable/ussuri, when not
specifying the provider_network_type, we got into a situation where we
had segments to allocate in vlan but neutron was allocating vxlan
instead.
* Pre-conditions: network_segment_range plugin enabled and several
vlan project networks created on the system
* Step-by-step reproduction steps: openstack --os-username
'project1_admin' --os-password '******' --os-project-name project1
--os-auth-url http://keystone.openstack.svc.cluster.local/v3 --os-
user-domain-name Default --os-project-domain-name Default --os-
identity-api-version 3 --os-interface internal --os-region-name
RegionOne network create network11
* Expected output: network created successfully (there was available
ranges)
* Actual output: HttpException: 503, Unable to create the network. No
tenant network is available for allocation.
* Version:
** OpenStack version: stable/ussuri
** Linux distro: Centos 7
** Deployment: StarlingX Openstack
* Perceived severity: Major - System is usable in some circumstances
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