generate-inventory: set groups from nodes_roles

When creating a configuration in which masters run workloads,
ensure that masters are a member of the kube-node role so that
installer can remove the master taint.

Change-Id: I8fd110a88a078a9d16a4b496e5f6a8fe020a4d28
Signed-off-by: Cian Johnston <cian.johnston@est.tech>
1 file changed