docker-zulip/puppet/zulip/manifests/postgres_common.pp

class zulip::postgres_common {
  $postgres_packages = [
    # Python modules used in our monitoring/worker threads
    "python-gevent",
    "python-tz",
    "python-dateutil",
    # our dictionary
    "hunspell-en-us",
  ]
  define safepackage ( $ensure = present ) {
    if !defined(Package[$title]) {
      package { $title: ensure => $ensure }
    }
  }
  safepackage { $postgres_packages: ensure => "installed" }
}