Description of problem: when following scaling down compute nodes proccedure  following command fails: openstack compute service set compute-1 nova-compute --disable
Version-Release number of selected component (if applicable):
How reproducible: 100%
Steps to Reproduce:
1. openstack compute service set compute-1 nova-compute --disable
Failed to set service status to disabled
Compute service nova-compute of host compute-1 failed to set.
nova-compute disabled successfully
nova service-disable works fine.
Same bug was present in RHOS12 and was not fixed, but I cannot find it right now.
*** This bug has been marked as a duplicate of bug 1495489 ***