upstream-zulip/puppet/zulip/manifests/snakeoil.pp

class zulip::snakeoil {
  zulip::safepackage { 'ssl-cert': ensure => installed }

  # We use the snakeoil certificate for PostgreSQL and SMTP; some VMs
  # install the `ssl-cert` package but (reasonably) don't build the
  # snakeoil certs into the image; build them as needed.
  exec { 'generate-default-snakeoil':
    require => Package['ssl-cert'],
    creates => '/etc/ssl/certs/ssl-cert-snakeoil.pem',
    command => '/usr/sbin/make-ssl-cert generate-default-snakeoil',
  }
}