How can I run JBoss EAP 6.x/7.x as systemd service and execute through systemctl command?

Issue

• Is there a proper systemd service unit available for running JBoss EAP 7 Standalone server as a systemd service?
• It is possible to use the default EAP 6 init scripts with systemctl?
• Multiple JBoss EAP instances do not start with systemctl scripts.
• Do you have a supported upstart script for JBoss EAP? for RHE 7 and would like to use the new package?
• If we kill one of the servers (kill -9 PID) that is managed by a slave host controller, does the host controller restart the server? I don't see it restarting - does it have an option to configure restart? Does the slave host controller or process controller restart itself if it goes down?

• I've set the /etc/jboss/jboss-as.conf below, but the startup timeout is approximately 150 seconds:

  STARTUP_WAIT=1800
  SHUTDOWN_WAIT=1800