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[devstack][tempest][neutron][ironic] Trouble debugging networking issues with devstack/lib/tempest

On 5/15/19 4:49 PM, Michael Turek wrote:
> Hey all,
> We've been having networking issues with our ironic CI job and I'm a bit 
> blocked. Included is a sample run of the job failing [0]. Our job 
> creates a single flat public network at [1]. Everything goes fine until 
> we hit 'lib/tempest'. The job fails trying to create a network [2].
> At first I thought this could be because we configure a single physnet 
> which is used by the 'public' network, however I've tried jumping on the 
> node, deleting the 'public' network and creating the network mentioned 
> in lib/tempest and it still fails with:
> Error while executing command: HttpException: 503, Unable to create the network. No tenant network is available for allocation.
> Does anyone have any insight into what we're not configuring properly? 
> Any help would be greatly appreciated!

Just going based on your log:


But tenant flat networks are not supported.  It's typically going to be 
vxlan or local.

Did you change a setting or did this just start breaking recently?