Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1303653
Description of problem:
With hammer CLI trying to get sc-params details of hostgroup fails with error "missing param hostgroup_id' in parameters" when trying using options --hostgroup and --hostgroup-id.

Version-Release number of selected component (if applicable):
rubygem-hammer_cli-0.1.4.13-1.el7sat.noarch

How reproducible:
Always

Steps to Reproduce:
1. Try to get sc-params of hostgroup using hammer CLI.

1. hammer hostgroup sc-params --hostgroup <hostgroup-name> --hostgroup-id <hostgroup-id>
   missing param 'hostgroup_id' in parameters

2. --hostgroup-id option do not work with --name too.

1. hammer hostgroup sc-params --name <hostgroup-name> --hostgroup-id <hostgroup-id>
   Error: 400 Bad Request

3. It do not work alone too as like --id option.

1. hammer hostgroup sc-params --hostgroup-id <hostgroup-id>
   missing param 'hostgroup_id' in parameters

Actual results:
missing param 'hostgroup_id' in parameters
Error: 400 Bad Request

Expected results:
It should work as like --id option.

Additional info: