ASM OPMS installation failed on fresh RHEL install

Document ID : KB000104027
Last Modified Date : 03/07/2018
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Issue:
Trying to install OPMS 10 on RHEL 7 and it is failing at the end of the installation process with the following:

Installation failed Could not retrieve fact='yum_proxy', resolution='': undefined method `empty?' for "":String
Environment:
RHEL 7
Resolution:
The failures all seem stem from the following message in the puppet log

Error: Package: 2:container-selinux-2.66-1.el7.noarch (rhel-7-server-extras-rpms)
Requires: selinux-policy-base >= 3.13.1-192

Which relates to https://bugzilla.redhat.com/show_bug.cgi?id=1566578

Which has the following resolution
++++++++++++++++++++++
This is not a bug.

Error: Package: 2:container-selinux-2.55-1.el7.noarch (rhel-7-server-extras-rpms)

This package is only available in rhel-extras.

If you are using items in extras, you are expected to be on the latest release, per: https://access.redhat.com/support/policy/updates/extras/ You could use an unsupported solution of version locking packages to get your updates to continue, or perhaps a repo-override via subscription-manager to point extras at the 7.4 tree (which does exist, but is not configurable via release within sub-man/entitlements).

+++++++++++++++++++++

Customer resolved RHEL dependencies then install completed successfully