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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Mathieu Othacehe <othacehe@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu tests image)
#:use-module (gnu)
#:use-module (gnu image)
#:use-module (gnu tests)
#:autoload (gnu system image) (system-image root-offset)
#:use-module (gnu system uuid)
#:use-module (gnu system vm)
#:use-module (gnu packages guile)
#:use-module (gnu packages guile-xyz)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (ice-9 format)
#:export (%test-images))
;;; Commentary:
;;;
;;; This module provides tests for the image creation process that is
;;; performed by "genimage" under the hood.
;;;
;;; The image partitionment is checked using Guile-Parted. The content of the
;;; images is out of the scope of this module. Other test modules such as
;;; (gnu tests installation) make sure that the produced images are viable.
;;;
;;; Code:
;; A dummy initializer creating a simple file in the partition.
(define dummy-initializer
#~(lambda* (root . rest)
(mkdir root)
(call-with-output-file
(string-append root "/test")
(lambda (port)
(format port "content")))))
(define %simple-efi-os
(operating-system
(inherit %simple-os)
(bootloader (bootloader-configuration
(bootloader grub-efi-bootloader)
(targets '("/boot/efi"))))))
;; An MBR disk image with a single ext4 partition.
(define i1
(image
(format 'disk-image)
(operating-system %simple-os)
(partitions
(list
(partition
(size (* 1024 1024)) ;1MiB
(offset root-offset)
(label "test")
(file-system "ext4")
(flags '(boot))
(initializer dummy-initializer))))))
;; A GPT disk image with a single ext4 partition.
(define i2
(image
(format 'disk-image)
(operating-system %simple-efi-os)
(partition-table-type 'gpt)
(partitions
(list
(partition
(size (* 1024 1024)) ;1MiB
(offset root-offset)
(label "test")
(file-system "ext4")
(flags '(boot))
(initializer dummy-initializer))))))
;; An MBR disk image with multiple ext4 partitions.
(define i3
(image
(format 'disk-image)
(operating-system %simple-os)
(partitions
(list
(partition
(size (* 1024 1024)) ;1MiB
(offset root-offset)
(label "test")
(file-system "ext4")
(flags '(boot))
(initializer dummy-initializer))
(partition
(size (* 1024 1024)) ;1MiB
(label "test2")
(file-system "ext4")
(flags '())
(initializer dummy-initializer))))))
;; A GPT disk image with multiple ext4 partitions.
(define i4
(image
(format 'disk-image)
(operating-system %simple-efi-os)
(partition-table-type 'gpt)
(partitions
(list
(partition
(size (* 1024 1024)) ;1MiB
(offset root-offset)
(label "test")
(file-system "ext4")
(flags '(boot))
(initializer dummy-initializer))
(partition
(size (* 1024 1024)) ;1MiB
(label "test2")
(file-system "ext4")
(flags '())
(initializer dummy-initializer))))))
;; A GPT disk image with fat32 and ext4 partitions.
(define i5
(image
(format 'disk-image)
(operating-system %simple-efi-os)
(partition-table-type 'gpt)
(partitions
(list
(partition
(size (* 1024 1024 128)) ;128MiB
(offset root-offset)
(label "test")
(file-system "fat32")
(flags '(esp))
(initializer dummy-initializer))
(partition
(size (* 1024 1024 256)) ;256MiB
(label "test2")
(file-system "ext4")
(flags '(boot))
(initializer dummy-initializer))))))
(define (run-images-test)
(define test
(with-imported-modules '((srfi srfi-64)
(gnu build marionette))
(with-extensions (list guile-parted guile-bytestructures)
#~(begin
(use-modules (gnu build marionette)
(srfi srfi-1)
(srfi srfi-26)
(srfi srfi-64)
(parted))
(define (image->disk img)
(disk-new (get-device img)))
(test-runner-current (system-test-runner #$output))
(test-begin "images")
;; Image i1.
(define i1-image
#$(system-image i1))
(define d1-device
(get-device i1-image))
(test-equal "msdos"
(disk-type-name (disk-probe d1-device)))
(test-equal 1
(disk-get-primary-partition-count (disk-new d1-device)))
(test-assert
(let* ((disk (disk-new d1-device))
(partitions (disk-partitions disk))
(boot-partition (find normal-partition? partitions)))
(partition-get-flag boot-partition PARTITION-FLAG-BOOT)))
;; Image i2.
(define i2-image
#$(system-image i2))
(define d2-device
(get-device i2-image))
(test-equal "gpt"
(disk-type-name (disk-probe d2-device)))
(test-equal 1
(disk-get-primary-partition-count (disk-new d2-device)))
(test-equal "test"
(let* ((disk (disk-new d2-device))
(partitions (disk-partitions disk))
(boot-partition (find normal-partition? partitions)))
(partition-get-name boot-partition)))
;; Image i3.
(define i3-image
#$(system-image i3))
(define d3-device
(get-device i3-image))
(test-equal "msdos"
(disk-type-name (disk-probe d3-device)))
(test-equal 2
(disk-get-primary-partition-count (disk-new d3-device)))
;; Image i4.
(define i4-image
#$(system-image i4))
(define d4-device
(get-device i4-image))
(test-equal "gpt"
(disk-type-name (disk-probe d4-device)))
(test-equal 2
(disk-get-primary-partition-count (disk-new d4-device)))
;; Image i5.
(define i5-image
#$(system-image i5))
(define d5-device
(get-device i5-image))
(define (sector->byte sector)
(/ (* sector (device-sector-size d5-device))
MEBIBYTE-SIZE))
(test-equal "gpt"
(disk-type-name (disk-probe d5-device)))
(test-equal 2
(disk-get-primary-partition-count (disk-new d5-device)))
(test-equal '("fat32" "ext4")
(map (compose filesystem-type-name partition-fs-type)
(filter data-partition?
(disk-partitions (disk-new d5-device)))))
;; The first partition has a 1MiB offset has a 128MiB size. The
;; second partition should then start at 129MiB.
(test-equal '(1 129)
(map (compose sector->byte partition-start)
(filter data-partition?
(disk-partitions (disk-new d5-device)))))
(test-end)))))
(gexp->derivation "images-test" test))
(define %test-images
(system-test
(name "images")
(description "Build and test basic system images.")
(value (run-images-test))))
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