tree 11d116259b39353a31ecffc6384987f6a23cd308
parent 6bd3561e9db3175f07299818ddb46a8ac7c72a12
author Matthew Treinish <mtreinish@kortar.org> 1467827095 -0400
committer Matthew Treinish <mtreinish@kortar.org> 1487079685 -0500
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Switch devstack to use qcow cirros img

This commit switches devstack to use the published qcow2 cirros image
instead of the AMI version. Using AMI was mostly a historical artifact
dating pretty far back, but in the real world no one really uses AMI
images with openstack clouds. This change reflects that and also
enables tempest ro remove its deprecated config options for using AMI
as a fallback on misconfiguration (which was just there to support
devstack's defaults)

Change-Id: Id65ebae73b28da7185cb349b714b659af51ef77f