diff options
Diffstat (limited to 'gnu/system/image.scm')
| -rw-r--r-- | gnu/system/image.scm | 131 |
1 files changed, 125 insertions, 6 deletions
diff --git a/gnu/system/image.scm b/gnu/system/image.scm index a04363a130..5fc0d55d9a 100644 --- a/gnu/system/image.scm +++ b/gnu/system/image.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> ;;; Copyright © 2022 Pavel Shlyak <p.shlyak@pantherx.org> ;;; Copyright © 2022 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org> +;;; Copyright © 2022 Alex Griffin <a@ajgrf.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -32,17 +33,20 @@ #:use-module ((guix self) #:select (make-config.scm)) #:use-module (gnu bootloader) #:use-module (gnu bootloader grub) + #:use-module (gnu compression) #:use-module (gnu image) #:use-module (guix platform) #:use-module (gnu services) #:use-module (gnu services base) #:use-module (gnu system) + #:use-module (gnu system accounts) #:use-module (gnu system file-systems) #:use-module (gnu system linux-container) #:use-module (gnu system uuid) #:use-module (gnu system vm) #:use-module (guix packages) #:use-module (gnu packages base) + #:use-module (gnu packages bash) #:use-module (gnu packages bootloaders) #:use-module (gnu packages cdrom) #:use-module (gnu packages compression) @@ -65,6 +69,7 @@ #:use-module (ice-9 match) #:export (root-offset root-label + image-without-os esp-partition esp32-partition @@ -73,6 +78,8 @@ efi-disk-image iso9660-image docker-image + tarball-image + wsl2-image raw-with-offset-disk-image image-with-os @@ -82,6 +89,8 @@ iso-image-type uncompressed-iso-image-type docker-image-type + tarball-image-type + wsl2-image-type raw-with-offset-image-type image-with-label @@ -102,6 +111,12 @@ ;; Generic root partition label. (define root-label "Guix_image") +(define-syntax-rule (image-without-os . fields) + "Return an image record with the mandatory operating-system field set to +#false. This is useful when creating an image record that will serve as a +parent image record." + (image (operating-system #false) . fields)) + (define esp-partition (partition (size (* 40 (expt 2 20))) @@ -127,17 +142,17 @@ (initializer (gexp initialize-root-partition)))) (define efi-disk-image - (image + (image-without-os (format 'disk-image) (partitions (list esp-partition root-partition)))) (define efi32-disk-image - (image + (image-without-os (format 'disk-image) (partitions (list esp32-partition root-partition)))) (define iso9660-image - (image + (image-without-os (format 'iso9660) (partitions (list (partition @@ -146,11 +161,19 @@ (flags '(boot))))))) (define docker-image - (image + (image-without-os (format 'docker))) +(define tarball-image + (image-without-os + (format 'tarball))) + +(define wsl2-image + (image-without-os + (format 'wsl2))) + (define* (raw-with-offset-disk-image #:optional (offset root-offset)) - (image + (image-without-os (format 'disk-image) (partitions (list (partition @@ -211,6 +234,16 @@ set to the given OS." (name 'docker) (constructor (cut image-with-os docker-image <>)))) +(define tarball-image-type + (image-type + (name 'tarball) + (constructor (cut image-with-os tarball-image <>)))) + +(define wsl2-image-type + (image-type + (name 'wsl2) + (constructor (cut image-with-os wsl2-image <>)))) + (define raw-with-offset-image-type (image-type (name 'raw-with-offset) @@ -682,6 +715,88 @@ output file." #:substitutable? ,substitutable?)))) +;;; +;;; Tarball image. +;;; + +;; TODO: Some bits can be factorized with (guix scripts pack). +(define* (system-tarball-image image + #:key + (name "image") + (compressor (srfi-1:first %compressors)) + (wsl? #f)) + "Build a tarball of IMAGE. NAME is the base name to use for the +output file." + (let* ((os (image-operating-system image)) + (substitutable? (image-substitutable? image)) + (schema (local-file (search-path %load-path + "guix/store/schema.sql"))) + (name (string-append name ".tar" (compressor-extension compressor))) + (graph "system-graph") + (root (srfi-1:find (lambda (user) + (and=> (user-account-uid user) zero?)) + (operating-system-users os))) + (root-shell (or (and=> root user-account-shell) + (file-append bash "/bin/bash")))) + (define builder + (with-extensions gcrypt-sqlite3&co ;for (guix store database) + (with-imported-modules `(,@(source-module-closure + '((guix build pack) + (guix build store-copy) + (guix build utils) + (guix store database) + (gnu build image)) + #:select? not-config?) + ((guix config) => ,(make-config.scm))) + #~(begin + (use-modules (guix build pack) + (guix build store-copy) + (guix build utils) + (guix store database) + (gnu build image)) + + ;; Set the SQL schema location. + (sql-schema #$schema) + + ;; Allow non-ASCII file names--e.g., 'nss-certs'--to be decoded. + (setenv "GUIX_LOCPATH" + #+(file-append glibc-utf8-locales "/lib/locale")) + (setlocale LC_ALL "en_US.utf8") + + (let ((image-root (string-append (getcwd) "/tmp-root")) + (tar #+(file-append tar "/bin/tar"))) + + (mkdir-p image-root) + (initialize-root-partition image-root + #:references-graphs '(#$graph) + #:deduplicate? #f + #:system-directory #$os) + + (with-directory-excursion image-root + #$@(if wsl? + #~(;; WSL requires /bin/sh. Will be overwritten by + ;; system activation. + (symlink #$root-shell "./bin/sh") + + ;; WSL requires /bin/mount to access the host fs. + (symlink #$(file-append util-linux "/bin/mount") + "./bin/mount")) + #~()) + + (apply invoke tar "-cvf" #$output "." + (tar-base-options + #:tar tar + #:compressor + #+(and=> compressor compressor-command))))))))) + + (computed-file name builder + ;; Allow offloading so that this I/O-intensive process + ;; doesn't run on the build farm's head node. + #:local-build? #f + #:options `(#:references-graphs ((,graph ,os)) + #:substitutable? ,substitutable?)))) + + ;; ;; Image creation. ;; @@ -690,7 +805,7 @@ output file." "Return the IMAGE root partition file-system type." (case (image-format image) ((iso9660) "iso9660") - ((docker) "dummy") + ((docker tarball wsl2) "dummy") (else (partition-file-system (find-root-partition image))))) @@ -827,6 +942,10 @@ image, depending on IMAGE format." ("bootcfg" ,bootcfg)))) ((memq image-format '(docker)) (system-docker-image image*)) + ((memq image-format '(tarball)) + (system-tarball-image image*)) + ((memq image-format '(wsl2)) + (system-tarball-image image* #:wsl? #t)) ((memq image-format '(iso9660)) (system-iso9660-image image* |