ansible-roles/roles/glpi/templates/config_db.php.j2

<?php
class DB extends DBmysql {
  var $dbhost    = '{{ glpi_mysql_server }}';
  var $dbuser    = '{{ glpi_mysql_user }}';
  var $dbpassword= '{{ glpi_mysql_pass }}';
  var $dbdefault = '{{ glpi_mysql_db }}';
  public $allow_myisam = false;
  public $allow_datetime = false;
  public $use_utf8mb4 = true;
  public $allow_signed_keys = false;
}
?>