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;;; Desktop service definitions for PantherX
;;;
;;; Reza Alizadeh Majd <r.majd@pantherx.org>
;;; Franz Geffke <franz@pantherx.org>
;;;
(define-module (px services disk)
#:use-module (gnu packages admin)
#:use-module (gnu packages base)
#:use-module (gnu packages linux)
#:use-module (gnu packages xdisorg)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services cups)
#:use-module (gnu services dbus)
#:use-module (gnu services desktop)
#:use-module (gnu services networking)
#:use-module (gnu services shepherd)
#:use-module (gnu system)
#:use-module (gnu system setuid)
#:use-module (guix build utils)
#:use-module (guix gexp)
#:use-module (guix packages)
#:use-module (guix records)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:export (create-swap-space-service
disk-init-configuration
disk-init-service-type))
;;
;; Create swap-file service
;; primarily for ARM
;;
(define (create-swap-space-service size)
(simple-service 'create-swap-space
activation-service-type
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(let ((swapfile "/swapfile"))
(when (not (file-exists? swapfile))
(invoke #+(file-append util-linux "/bin/fallocate") "-l" #$size swapfile)
(chmod swapfile #o600)
(invoke #+(file-append util-linux "/sbin/mkswap") swapfile)
))))))
;;
;; Disk initiation service
;; primarily for ARM
;;
(define-record-type* <disk-init-configuration>
disk-init-configuration make-disk-init-configuration
disk-init-configuration?
(device disk-init-configuration-device)
(index disk-init-configuration-index)
(target disk-init-configuration-target)
(swap-size disk-init-configuration-swap-size
(default #f))
(swap-path disk-init-configuration-swap-path
(default "/swapfile")))
(define disk-init-activation
(match-lambda
(($ <disk-init-configuration> device index target swap-size swap-path)
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(let ((lock-file "/etc/disk-init.lock"))
(when (not (file-exists? lock-file))
;; resize root partition
;; workaround to fix growpart execution
(setenv "PATH" (string-append "/run/current-system/profile/bin:" (getenv "PATH")))
(invoke #+(file-append cloud-utils "/bin/growpart") #$device #$index)
(invoke #+(file-append e2fsprogs "/sbin/resize2fs") #$target)
(invoke #+(file-append coreutils "/bin/sync"))
;; create swap-file
(when (and #$swap-size
(not (file-exists? #$swap-path)))
(invoke #+(file-append util-linux "/bin/fallocate")
"-l" #$swap-size #$swap-path)
(chmod #$swap-path #o600)
(invoke #+(file-append util-linux "/sbin/mkswap") #$swap-path))
(call-with-output-file lock-file
(lambda (port)
(display "disk image initiated\n" port))))))))))
(define disk-init-service-type
(service-type
(name 'disk-init)
(extensions (list
(service-extension activation-service-type
disk-init-activation)))
(description "Resize root partition on first boot and create swapfile")))
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