Collect devstack config files in post.

Co-Authored-By: yong sheng gong <gong.yongsheng@99cloud.net>
Co-Authored-By: Dean Troyer <dtroyer@gmail.com>
Co-Authored-By: Andrea Frittoli <andrea.frittoli@gmail.com>

Change-Id: Id9ad3be4be25e699f77d6b5a252f046ce8234f45
1 file changed