Changelog for instack-undercloud-4.2.1-1.el7.noarch.rpm :
Tue May 23 14:00:00 2017 Alfredo Moralejo 4.2.1-1
- Update to 4.2.1

Fri Jun 17 14:00:00 2016 Haikel Guemar 4.1.0-1
- Update to 4.1.0

Wed Mar 30 14:00:00 2016 RDO 4.0.0-1
- RC1 Rebuild for Mitaka RC1