Foreman Maintain

Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=2038849

Description of problem:
foreman-maintain advanced procedure run repositories-setup --version 6.10/7.0 failed with "undefined method `map' for "*":String"

1. foreman-maintain advanced procedure run repositories-setup --version 7.0
   Running ForemanMaintain::Scenario ================================================================================
   Setup repositories:
   / Configuring repositories for 7.0 [FAIL]
   undefined method `map' for "*":String
   --------------------------------------------------------------------------------
   Scenario [ForemanMaintain::Scenario] failed.

The following steps ended up in failing state:

[repositories-setup]

Resolve the failed steps and rerun
the command. In case the failures are false positives,
use --whitelist="repositories-setup"

Version-Release number of selected component (if applicable):
Satellite 7.0 Snap 4.0
rubygem-foreman_maintain-1.0.1-1.el7sat.noarch

How reproducible:
Always

Steps to Reproduce:
1. # foreman-maintain advanced procedure run repositories-setup --version 7.0
2.

Actual results:
undefined method `map' for "*":String

Expected results:
Successfully set up repositories.

Additional info: