Comment 1 for bug 1643882

I can confirm that when assigning node to the custom role via GUI, the tag_nodes workflow fails on
tripleo.parameters.update_role action and fails to set Count and Flavor parameters for that Role.

[1] https://github.com/openstack/tripleo-common/blob/30d023702a66c42f00b82854e8d25dfec403bd6f/workbooks/baremetal.yaml#L446