blob: d9aaa1a27167e7d1b33b6fb3fc5aaf1224ecfc5b (
about) (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Alex Griffin <a@ajgrf.com>
;;; Copyright © 2022 Mathieu Othacehe <othacehe@gnu.org>
;;; Copyright © 2022 dan <i@dan.games>
;;;
;;; 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 system images wsl2)
#:use-module (gnu bootloader)
#:use-module (gnu image)
#:use-module (gnu packages admin)
#:use-module (gnu packages base)
#:use-module (gnu packages bash)
#:use-module (gnu packages guile)
#:use-module (gnu packages linux)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu system)
#:use-module (gnu system image)
#:use-module (gnu system shadow)
#:use-module (guix build-system trivial)
#:use-module (guix gexp)
#:use-module (guix packages)
#:use-module ((guix licenses) #:select (fsdg-compatible))
#:export (wsl-boot-program
wsl-os
wsl2-image))
(define (wsl-boot-program user)
"Program that runs the system boot script, then starts a login shell as
USER."
(program-file
"wsl-boot-program"
(with-imported-modules '((guix build syscalls))
#~(begin
(use-modules (guix build syscalls))
(unless (file-exists? "/run/current-system")
(let ((shepherd-socket "/var/run/shepherd/socket"))
;; Clean up this file so we can wait for it later.
(when (file-exists? shepherd-socket)
(delete-file shepherd-socket))
;; Child process boots the system and is replaced by shepherd.
(when (zero? (primitive-fork))
(let* ((system-generation
(readlink "/var/guix/profiles/system"))
(system (readlink
(string-append
(if (absolute-file-name? system-generation)
""
"/var/guix/profiles/")
system-generation))))
(setenv "GUIX_NEW_SYSTEM" system)
(execl #$(file-append guile-3.0 "/bin/guile")
"guile"
"--no-auto-compile"
(string-append system "/boot"))))
;; Parent process waits for shepherd before continuing.
(while (not (file-exists? shepherd-socket))
(sleep 1))))
(let* ((pw (getpw #$user))
(shell (passwd:shell pw))
(sudo #+(file-append sudo "/bin/sudo"))
(args (cdr (command-line)))
(uid (passwd:uid pw))
(gid (passwd:gid pw))
(runtime-dir (string-append "/run/user/"
(number->string uid))))
;; Save the value of $PATH set by WSL. Useful for finding
;; Windows binaries to run with WSL's binfmt interop.
(setenv "WSLPATH" (getenv "PATH"))
;; /run is mounted with the nosuid flag by WSL. This prevents
;; running the /run/setuid-programs. Remount it without this flag
;; as a workaround. See:
;; https://github.com/microsoft/WSL/issues/8716.
(mount #f "/run" #f
MS_REMOUNT
#:update-mtab? #f)
;; Create XDG_RUNTIME_DIR for the login user.
(unless (file-exists? runtime-dir)
(mkdir runtime-dir)
(chown runtime-dir uid gid))
(setenv "XDG_RUNTIME_DIR" runtime-dir)
;; Start login shell as user.
(apply execl sudo "sudo"
"--preserve-env=WSLPATH,XDG_RUNTIME_DIR"
"-u" #$user
"--"
shell "-l" args))))))
(define dummy-package
(package
(name "dummy")
(version "0")
(source #f)
(build-system trivial-build-system)
(arguments
`(#:modules ((guix build utils))
#:target #f
#:builder (begin
(use-modules (guix build utils))
(let* ((out (assoc-ref %outputs "out"))
(dummy (string-append out "/dummy")))
(mkdir-p out)
(call-with-output-file dummy
(const #t))))))
(home-page #f)
(synopsis #f)
(description #f)
(license (fsdg-compatible "dummy"))))
(define dummy-bootloader
(bootloader
(name 'dummy-bootloader)
(package dummy-package)
(configuration-file "/dev/null")
(configuration-file-generator
(lambda (. _rest)
(plain-file "dummy-bootloader" "")))
(installer #~(const #t))))
(define dummy-kernel dummy-package)
(define (dummy-initrd . _rest)
(plain-file "dummy-initrd" ""))
(define-public wsl-os
(operating-system
(host-name "gnu")
(timezone "Etc/UTC")
(bootloader
(bootloader-configuration
(bootloader dummy-bootloader)))
(kernel dummy-kernel)
(initrd dummy-initrd)
(initrd-modules '())
(firmware '())
(file-systems '())
(users (cons* (user-account
(name "guest")
(group "users")
(supplementary-groups '("wheel")) ; allow use of sudo
(password "")
(comment "Guest of GNU"))
(user-account
(inherit %root-account)
(shell (wsl-boot-program "guest")))
%base-user-accounts))
(services
(list
(service guix-service-type)
(service special-files-service-type
`(("/bin/sh" ,(file-append bash "/bin/bash"))
("/bin/mount" ,(file-append util-linux "/bin/mount"))
("/usr/bin/env" ,(file-append coreutils "/bin/env"))))))))
(define wsl2-image
(image
(inherit
(os->image wsl-os
#:type wsl2-image-type))
(name 'wsl2-image)))
wsl2-image
|
