parameters:
  linux:
    system:
      repo:
        ubuntu:
          refresh_db: ${_param:linux_repo_refresh_db}
          source: "deb [arch=amd64] http://${_param:local_repo_url}/trusty/ nightly main"
          architectures: amd64
          default: true
          key_url: "http://${_param:local_repo_url}/public.gpg"