[Satellite 6] After upgrading to puppet 4, puppetserver fails to start

Issue

• The puppetserver service fails to start with below error:

  Oct 26 12:03:02 satellite.example.org puppetserver[31007]: You seem to be missing some important configuration files; could not find /etc/default/puppetserver or /etc/sysconfig/puppetserver
  Oct 26 12:03:02 satellite.example.org systemd[1]: puppetserver.service: control process exited, code=exited status=1
  Oct 26 12:03:02 satellite.example.org systemd[1]: Failed to start puppetserver Service.