Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1313354
Description of problem:
Add support to get the Host YAML output from CLI and API.
Currently we can see YAML output of Host only from UI.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
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Actual results:
YAML output of host is only accessible from UI.

Expected results:
YAML output should be accessible from API as well CLI.

Additional info: