1 ;;; GNU Guix --- Functional package management for GNU
2 ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
3 ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
4 ;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
5 ;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
7 ;;; This file is part of GNU Guix.
9 ;;; GNU Guix is free software; you can redistribute it and/or modify it
10 ;;; under the terms of the GNU General Public License as published by
11 ;;; the Free Software Foundation; either version 3 of the License, or (at
12 ;;; your option) any later version.
14 ;;; GNU Guix is distributed in the hope that it will be useful, but
15 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;;; GNU General Public License for more details.
19 ;;; You should have received a copy of the GNU General Public License
20 ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
22 (define-module (gnu tests)
23 #:use-module (guix gexp)
24 #:use-module (guix diagnostics)
25 #:use-module (guix records)
26 #:use-module ((guix ui) #:select (warn-about-load-error))
27 #:use-module (gnu bootloader)
28 #:use-module (gnu bootloader grub)
29 #:use-module (gnu system)
30 #:use-module (gnu system file-systems)
31 #:use-module (gnu system shadow)
32 #:use-module (gnu services)
33 #:use-module (gnu services base)
34 #:use-module (gnu services shepherd)
35 #:use-module (guix discovery)
36 #:use-module (srfi srfi-1)
37 #:use-module (srfi srfi-9 gnu)
38 #:use-module (ice-9 match)
39 #:export (marionette-configuration
40 marionette-configuration?
41 marionette-configuration-device
42 marionette-configuration-imported-modules
43 marionette-configuration-requirements
45 marionette-service-type
46 marionette-operating-system
50 simple-operating-system
56 system-test-description
64 ;;; This module provides the infrastructure to run operating system tests.
65 ;;; The most important part of that is tools to instrument the OS under test,
66 ;;; essentially allowing it to run in a virtual machine controlled by the host
67 ;;; system--hence the name "marionette".
71 (define-record-type* <marionette-configuration>
72 marionette-configuration make-marionette-configuration
73 marionette-configuration?
74 (device marionette-configuration-device ;string
75 (default "/dev/virtio-ports/org.gnu.guix.port.0"))
76 (imported-modules marionette-configuration-imported-modules
78 (extensions marionette-configuration-extensions
79 (default '())) ; list of packages
80 (requirements marionette-configuration-requirements ;list of symbols
83 ;; Hack: avoid indenting code beyond column 80 in marionette-shepherd-service.
84 (define-syntax-rule (with-imported-modules-and-extensions imported-modules
87 (with-imported-modules imported-modules
88 (with-extensions extensions
91 (define (marionette-shepherd-service config)
92 "Return the Shepherd service for the marionette REPL"
94 (($ <marionette-configuration> device imported-modules extensions
96 (list (shepherd-service
97 (provision '(marionette))
99 ;; Always depend on UDEV so that DEVICE is available.
100 (requirement `(udev ,@requirement))
102 (modules '((ice-9 match)
105 (with-imported-modules-and-extensions imported-modules extensions
107 (define (self-quoting? x)
108 (letrec-syntax ((one-of (syntax-rules ()
112 (one-of rest ...))))))
113 (one-of symbol? string? keyword? pair? null? array?
114 number? boolean? char?)))
116 (match (primitive-fork)
121 (let ((repl (open-file #$device "r+0"))
122 (console (open-file "/dev/console" "r+0")))
123 ;; Redirect output to the console.
126 (dup2 (fileno console) 1)
127 (dup2 (fileno console) 2)
130 (display 'ready repl)
140 (let ((result (primitive-eval expr)))
141 (write (if (self-quoting? result)
143 (object->string result))
146 (print-exception (current-error-port)
147 (stack-ref (make-stack #t) 1)
152 (primitive-exit 1))))
155 (stop #~(make-kill-destructor)))))))
157 (define marionette-service-type
158 ;; This is the type of the "marionette" service, allowing a guest system to
159 ;; be manipulated from the host. This marionette REPL is essentially a
160 ;; universal backdoor.
161 (service-type (name 'marionette-repl)
163 (list (service-extension shepherd-root-service-type
164 marionette-shepherd-service)))))
166 (define* (marionette-operating-system os
168 (imported-modules '())
171 "Return a marionetteed variant of OS such that OS can be used as a
172 marionette in a virtual machine--i.e., controlled from the host system. The
173 marionette service in the guest is started after the Shepherd services listed
174 in REQUIREMENTS. The packages in the list EXTENSIONS are made available from
178 ;; Make sure the guest dies on error.
179 (kernel-arguments (cons "panic=1"
180 (operating-system-user-kernel-arguments os)))
181 ;; Make sure the guest doesn't hang in the REPL on error.
182 (initrd (lambda (fs . rest)
183 (apply (operating-system-initrd os) fs
184 #:on-error 'backtrace
186 (services (cons (service marionette-service-type
187 (marionette-configuration
188 (requirements requirements)
189 (extensions extensions)
190 (imported-modules imported-modules)))
191 (operating-system-user-services os)))))
193 (define-syntax define-os-with-source
194 (syntax-rules (use-modules operating-system)
195 "Define two variables: OS containing the given operating system, and
196 SOURCE containing the source to define OS as an sexp.
198 This is convenient when we need both the <operating-system> object so we can
199 instantiate it, and the source to create it so we can store in in a file in
200 the system under test."
202 (use-modules modules ...)
203 (operating-system fields ...))
206 (operating-system fields ...))
209 (use-modules modules ...)
210 (operating-system fields ...)))))))
214 ;;; Simple operating systems.
219 (host-name "komputilo")
220 (timezone "Europe/Berlin")
221 (locale "en_US.UTF-8")
223 (bootloader (bootloader-configuration
224 (bootloader grub-bootloader)
225 (target "/dev/sdX")))
226 (file-systems (cons (file-system
227 (device (file-system-label "my-root"))
233 (users (cons (user-account
235 (comment "Bob's sister")
237 (supplementary-groups '("wheel" "audio" "video")))
238 %base-user-accounts))))
240 (define-syntax-rule (simple-operating-system user-services ...)
241 "Return an operating system that includes USER-SERVICES in addition to
243 (operating-system (inherit %simple-os)
244 (services (cons* user-services ... %base-services))))
252 (define-record-type* <system-test> system-test make-system-test
254 (name system-test-name) ;string
255 (value system-test-value) ;%STORE-MONAD value
256 (description system-test-description) ;string
257 (location system-test-location (innate) ;<location>
258 (default (and=> (current-source-location)
259 source-properties->location))))
261 (define (write-system-test test port)
263 (($ <system-test> name _ _ ($ <location> file line))
264 (format port "#<system-test ~a ~a:~a ~a>"
266 (number->string (object-address test) 16)))
267 (($ <system-test> name)
268 (format port "#<system-test ~a ~a>" name
269 (number->string (object-address test) 16)))))
271 (set-record-type-printer! <system-test> write-system-test)
273 (define-gexp-compiler (compile-system-test (test <system-test>)
275 "Compile TEST to a derivation."
276 ;; XXX: SYSTEM and TARGET are ignored.
277 (system-test-value test))
279 (define (test-modules)
280 "Return the list of modules that define system tests."
281 (scheme-modules (dirname (search-path %load-path "guix.scm"))
283 #:warn warn-about-load-error))
285 (define (fold-system-tests proc seed)
286 "Invoke PROC on each system test, passing it the test and the previous
288 (fold-module-public-variables (lambda (obj result)
289 (if (system-test? obj)
295 (define (all-system-tests)
296 "Return the list of system tests."
297 (reverse (fold-system-tests cons '())))
301 ;; eval: (put 'with-imported-modules-and-extensions 'scheme-indent-function 2)
304 ;;; tests.scm ends here