~/source : $ sudo yum install -y https://softwarefactory-project.io/repos/sf-release-3.0.rpm
Last metadata expiration check: 0:12:20 ago on Tue 05 Jun 2018 02:02:54 PM IST.
sf-release-3.0.rpm                                                                                      2.5 kB/s | 6.2 kB     00:02
Error:
 Problem: conflicting requests
  - nothing provides centos-release-openstack-pike needed by sf-release-3.0.0-1.el7.noarch