Fixed and verified in 5.8.2.0.20170824192913_b09a5f8. Group id is presented in manage iq payload. Example of payload:
{"manageiq": {
"group": "groups/21",
"api_url": "https://192.168.100.122",
"service": "services/1",
"user": "users/2",
"api_token": "some_token",
"action": "Provision"
}}
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2017:3005