Sean Dague c377145632 allow overwriting of http_image in tempest.conf
the default http_image variable is an upstream cirros url in
tempest. However, in the gate this can cause flakey failures if
that has connection issues.

Ensure that we can override this from devstack-gate to be
something we are sure is going to work.

Partial fix for bug #1190623

Change-Id: Ie06fc231725c235f5ee8fd17fc87d3305bc845a3
2013-06-13 14:44:53 -04:00
..
2013-05-09 00:18:37 +02:00
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