ensure_packages(['centos-release-scl-rh'])

class { '::postgresql::globals':
  bindir              => '/bin/scl enable rh-postgresql94 -- /opt/rh/rh-postgresql94/root/usr/bin',
  datadir             => '/var/opt/rh/rh-postgresql94/lib/pgsql/data',
  server_package_name => 'rh-postgresql94-postgresql-server',
  service_name        => 'rh-postgresql94-postgresql',
}

include ::postgresql::server

Package['centos-release-scl-rh'] -> Class['::postgresql::server']