salt-formula/metadata/service/minion/cluster.yml

applications:
- salt
classes:
- service.salt.support
parameters:
  salt:
    minion:
      enabled: true
      source:
        engine: pkg
      masters:
        - host: ${_param:salt_master_host}
        - host: ${_param:salt_master_host}
      mine:
        interval: 60
        module:
          grains.items: []
          network.interfaces: []