WHAT
An SOP for allowing the updating of APICAST_LOG_LEVEL for an SRE to carry out on customer request

Background: https://issues.redhat.com/browse/MGDAPI-5225

HOW
In the longer term we'd like to have a list of things that can be exposed - see related Jira

Please provide an SOP for this as part of this JIRA.

A follow on Jira will cover the creation of a managed script for the work. 

TESTS
<List of related tests>

DONE
An SOP for allowing the updating of APICAST_LOG_LEVEL for an SRE to carry out on customer request