barbican/server/cluster.yml

classes:
- service.barbican.server.cluster
- system.haproxy.proxy.listen.openstack.barbican
parameters:
  _param:
    cluster_internal_protocol: 'http'
  barbican:
    server:
      role: ${_param:openstack_node_role}
      identity:
        protocol: ${_param:cluster_internal_protocol}