[freeipa PR#5613][opened] ipa-kra-install: exit if ca_host is overriden

[antoniotorresm]

   URL: https://github.com/freeipa/freeipa/pull/5613
Author: antoniotorresm
 Title: #5613: ipa-kra-install: exit if ca_host is overriden
Action: opened

PR body:
"""
`ipa-kra-install` should exit if `ca_host` line is present in `/etc/ipa/default.conf`, 
as it may lead to a misconfigured setup.

Fixes: https://pagure.io/freeipa/issue/8245
Signed-off-by: Antonio Torres <antorres(a)redhat.com&gt;
"""

To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5613/head:pr5613
git checkout pr5613