salt/control/cluster/openstack_proxy_cluster.yml

parameters:
  _param:
    salt_control_trusty_image_backend: /var/lib/libvirt/images/backends/trusty.qcow2
    openstack_proxy_backend_image: ${_param:salt_control_trusty_image_backend}
  salt:
    control:
      size:
        openstack.proxy:
          cpu: 32
          ram: 65536
          disk_profile: small
          net_profile: default
      cluster:
        internal:
          domain: ${_param:cluster_domain}
          engine: virt
          node:
            prx01:
              name: ${_param:openstack_proxy_node01_hostname}
              provider: ${_param:infra_kvm_node01_hostname}.${_param:cluster_domain}
              image: ${_param:salt_control_trusty_image}
              backend: ${_param:openstack_proxy_backend_image}
              size: openstack.proxy
            prx02:
              name: ${_param:openstack_proxy_node02_hostname}
              provider: ${_param:infra_kvm_node02_hostname}.${_param:cluster_domain}
              image: ${_param:salt_control_trusty_image}
              backend: ${_param:openstack_proxy_backend_image}
              size: openstack.proxy