aptly/server/mirror/ubuntu/trusty/salt.yml

parameters:
  _param:
    apt_mk_version: stable
  aptly:
    server:
      mirror:
        salt-2016.3-trusty:
          source: http://repo.saltstack.com/apt/ubuntu/14.04/amd64/2016.3
          distribution: trusty
          components: main
          architectures: amd64
          gpgkeys:
            - DE57BFBE
          publisher:
            component: salt
            distributions:
              - ubuntu-trusty/${_param:apt_mk_version}