(define-module (glicid services virtualization)
  #:use-module (gnu services)
  #:use-module (gnu services shepherd)
  #:use-module ((gnu services virtualization) #:prefix gnu:)
  #:use-module ((gnu packages virtualization) #:prefix gnu:)
;  #:use-module (guix records)
;  #:use-module (guix utils)
  #:use-module (guix gexp) ;; file-like?
  #:use-module (gnu services configuration) ;; define-configuration


  #:export (qemu-guest-agent-service-type)
)




(define  gnu:qemu-guest-agent-configuration-qemu (@@ (gnu services virtualization) qemu-guest-agent-configuration-qemu))
(define  gnu:qemu-guest-agent-configuration-device (@@ (gnu services virtualization) qemu-guest-agent-configuration-device))

(define (qemu-guest-agent-shepherd-service config)
  (let ((qemu   (gnu:qemu-guest-agent-configuration-qemu config))
        (device (gnu:qemu-guest-agent-configuration-device config)))
    (list
     (shepherd-service
      (provision '(qemu-guest-agent))
      (requirement '(udev)) ;; GLiCID

      (documentation "Run the QEMU guest agent.")
      (start #~(make-forkexec-constructor
                `(,(string-append #$qemu "/bin/qemu-ga")
                  "--statedir" "/var/run"
                  ,@(if (string-null? #$device)
                        '()
                        (list "--path" #$device)))
                #:log-file "/var/log/qemu-ga.log"))
      (stop #~(make-kill-destructor))))))


(define qemu-guest-agent-service-type
  (service-type
   (inherit gnu:qemu-guest-agent-service-type)
   (extensions
    (list (service-extension shepherd-root-service-type
                             qemu-guest-agent-shepherd-service)))
  ))