Github user rhtyd commented on the issue:
https://github.com/apache/cloudstack/pull/1612
@karuturi I don't understand your comment, centos7 packages have been
supported since 4.6 (actually 4.5 too ships a centos7 repository). The PR is
for 4.7 as it would fix and improve testing for all branches/versions since 4.7
(we at least need this on 4.8, 4.9 and master). Further, this does not make any
changes to CloudStack.
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