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authorAlex Griffin <a@ajgrf.com>2022-02-06 16:29:47 -0600
committerMathieu Othacehe <othacehe@gnu.org>2022-09-24 14:49:09 +0200
commit8757c3f2934352fe8ad9a86f6e6f1d4b7245644d (patch)
tree4b958569f1a374f072d8d5b006d407bb2e1a140e /gnu/system
parentebe9d660a55629f2506db124b0e016885fc61e5c (diff)
system: image: Add tarball support.
* gnu/image.scm (<image>)[fields]: Add tarball to the supported formats. * gnu/system/image.scm (tarball-image, tarball-image-type): New variables. (system-tarball-image): New procedure. (image->root-file-system): Add tarball image support. (system-image): Ditto. * doc/guix.texi ("System Images"): Document it. Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
Diffstat (limited to 'gnu/system')
-rw-r--r--gnu/system/image.scm82
1 files changed, 81 insertions, 1 deletions
diff --git a/gnu/system/image.scm b/gnu/system/image.scm
index c59b7eafd7..d60649b6e3 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.
;;;
@@ -32,6 +33,7 @@
#: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)
@@ -74,6 +76,7 @@
efi-disk-image
iso9660-image
docker-image
+ tarball-image
raw-with-offset-disk-image
image-with-os
@@ -83,6 +86,7 @@
iso-image-type
uncompressed-iso-image-type
docker-image-type
+ tarball-image-type
raw-with-offset-image-type
image-with-label
@@ -156,6 +160,10 @@ parent image record."
(image-without-os
(format 'docker)))
+(define tarball-image
+ (image-without-os
+ (format 'tarball)))
+
(define* (raw-with-offset-disk-image #:optional (offset root-offset))
(image-without-os
(format 'disk-image)
@@ -218,6 +226,11 @@ 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 raw-with-offset-image-type
(image-type
(name 'raw-with-offset)
@@ -690,6 +703,71 @@ output file."
;;
+;; Tarball image.
+;;
+
+(define* (system-tarball-image image
+ #:key
+ (name "image")
+ (compressor (srfi-1:first %compressors)))
+ "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"))
+ (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 #$os)
+
+ (with-directory-excursion image-root
+ (apply invoke tar "-cvf" #$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.
;;
@@ -697,7 +775,7 @@ output file."
"Return the IMAGE root partition file-system type."
(case (image-format image)
((iso9660) "iso9660")
- ((docker) "dummy")
+ ((docker tarball) "dummy")
(else
(partition-file-system (find-root-partition image)))))
@@ -834,6 +912,8 @@ 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 '(iso9660))
(system-iso9660-image
image*