/etc/puppet/hieradata should not world readable on the undercloud
Correct permissions should be 751, but they are actually 755
upstream patch: https://review.gerrithub.io/237535
move to on_dev until patch gets merged.
[root@instack ~]# rpm -qa | grep instack-undercloud; ls -ld /etc/puppet/hieradata; ls -l /etc/puppet/hieradata
drwxr-x---. 2 root root 4096 Jul 13 08:10 /etc/puppet/hieradata
-rw-------. 1 root root 12216 Jul 13 08:10 puppet-stack-config.yaml
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.