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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Danny Milosavljevic <dannym@scratchpost.org>
;;; Copyright © 2019-2023 Ludovic Courtès <ludo@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 docker)
#:use-module (gnu image)
#:use-module (gnu tests)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
#:use-module (gnu system image)
#:use-module (gnu system vm)
#:use-module (gnu services)
#:use-module (gnu services dbus)
#:use-module (gnu services networking)
#:use-module (gnu services docker)
#:use-module (gnu services desktop)
#:use-module ((gnu packages base) #:select (glibc))
#:use-module (gnu packages guile)
#:use-module (gnu packages docker)
#:use-module (guix gexp)
#:use-module (guix grafts)
#:use-module (guix monads)
#:use-module (guix packages)
#:use-module (guix profiles)
#:use-module ((guix scripts pack) #:prefix pack:)
#:use-module (guix store)
#:use-module (guix tests)
#:use-module (guix build-system trivial)
#:use-module ((guix licenses) #:prefix license:)
#:export (%test-docker
%test-docker-system))
(define %docker-os
(simple-operating-system
(service dhcp-client-service-type)
(service dbus-root-service-type)
(service polkit-service-type)
(service elogind-service-type)
(service docker-service-type)))
(define (run-docker-test docker-tarball)
"Load DOCKER-TARBALL as Docker image and run it in a Docker container,
inside %DOCKER-OS."
(define os
(marionette-operating-system
(operating-system-with-gc-roots
%docker-os
(list docker-tarball))
#:imported-modules '((gnu services herd)
(guix combinators))))
(define vm
(virtual-machine
(operating-system os)
(volatile? #f)
(memory-size 1024)
(disk-image-size (* 3000 (expt 2 20)))
(port-forwardings '())))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (srfi srfi-11) (srfi srfi-64)
(gnu build marionette))
(define marionette
;; Relax timeout to accommodate older systems.
(make-marionette (list #$vm) #:timeout 60))
(test-runner-current (system-test-runner #$output))
(test-begin "docker")
(test-assert "service running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(match (start-service 'dockerd)
(#f #f)
(('service response-parts ...)
(match (assq-ref response-parts 'running)
((pid) (number? pid))))))
marionette))
(test-eq "fetch version"
0
(marionette-eval
`(begin
(system* ,(string-append #$docker-cli "/bin/docker")
"version"))
marionette))
(test-equal "Load docker image and run it"
'("hello world" "hi!" "JSON!" #o1777)
(marionette-eval
`(begin
(use-modules (ice-9 popen)
(ice-9 rdelim))
(define slurp
(lambda args
(let* ((port (apply open-pipe* OPEN_READ args))
(output (read-line port))
(status (close-pipe port)))
output)))
(let* ((raw-line (slurp ,(string-append #$docker-cli
"/bin/docker")
"load" "-i"
,#$docker-tarball))
(repository&tag (string-drop raw-line
(string-length
"Loaded image: ")))
(response1 (slurp
,(string-append #$docker-cli "/bin/docker")
"run" "--entrypoint" "bin/Guile"
repository&tag
"/aa.scm"))
(response2 (slurp ;default entry point
,(string-append #$docker-cli "/bin/docker")
"run" repository&tag
"-c" "(display \"hi!\")"))
;; Check whether (json) is in $GUILE_LOAD_PATH.
(response3 (slurp ;default entry point + environment
,(string-append #$docker-cli "/bin/docker")
"run" repository&tag
"-c" "(use-modules (json))
(display (json-string->scm (scm->json-string \"JSON!\")))"))
;; Check whether /tmp exists.
(response4 (slurp
,(string-append #$docker-cli "/bin/docker")
"run" repository&tag "-c"
"(display (stat:perms (lstat \"/tmp\")))")))
(list response1 response2 response3
(string->number response4))))
marionette))
(test-end))))
(gexp->derivation "docker-test" test))
(define (build-tarball&run-docker-test)
(mlet* %store-monad
((_ (set-grafting #f))
(guile (set-guile-for-build (default-guile)))
(guest-script-package ->
(package
(name "guest-script")
(version "0")
(source #f)
(build-system trivial-build-system)
(arguments `(#:guile ,guile-3.0
#:builder
(let ((out (assoc-ref %outputs "out")))
(mkdir out)
(call-with-output-file (string-append out "/a.scm")
(lambda (port)
(display "(display \"hello world\n\")" port)))
#t)))
(synopsis "Display hello world using Guile")
(description "This package displays the text \"hello world\" on the
standard output device and then enters a new line.")
(home-page #f)
(license license:public-domain)))
(profile (profile-derivation (packages->manifest
(list guile-3.0 guile-json-3
guest-script-package))
#:hooks '()
#:locales? #f))
(tarball (pack:docker-image
"docker-pack" profile
#:symlinks '(("/bin/Guile" -> "bin/guile")
("aa.scm" -> "a.scm"))
#:entry-point "bin/guile"
#:localstatedir? #t)))
(run-docker-test tarball)))
(define %test-docker
(system-test
(name "docker")
(description "Test Docker container of Guix.")
(value (build-tarball&run-docker-test))))
(define (run-docker-system-test tarball)
"Load DOCKER-TARBALL as Docker image and run it in a Docker container,
inside %DOCKER-OS."
(define os
(marionette-operating-system
(operating-system-with-gc-roots
%docker-os
(list tarball))
#:imported-modules '((gnu services herd)
(guix combinators))))
(define vm
(virtual-machine
(operating-system os)
(volatile? #f)
(disk-image-size (* 5500 (expt 2 20)))
(memory-size 2048)
(port-forwardings '())))
(define test
(with-imported-modules '((gnu build marionette)
(guix build utils))
#~(begin
(use-modules (srfi srfi-11) (srfi srfi-64)
(gnu build marionette)
(guix build utils))
(define marionette
;; Relax timeout to accommodate older systems.
(make-marionette (list #$vm) #:timeout 60))
(test-runner-current (system-test-runner #$output))
(test-begin "docker")
(test-assert "service running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(match (start-service 'dockerd)
(#f #f)
(('service response-parts ...)
(match (assq-ref response-parts 'running)
((pid) (number? pid))))))
marionette))
(test-assert "load system image and run it"
(marionette-eval
`(begin
(use-modules (ice-9 popen)
(ice-9 rdelim))
(define (slurp command . args)
;; Return the output from COMMAND.
(let* ((port (apply open-pipe* OPEN_READ command args))
(output (read-line port))
(status (close-pipe port)))
output))
(define (docker-cli command . args)
;; Run the given Docker COMMAND.
(apply invoke #$(file-append docker-cli "/bin/docker")
command args))
(define (wait-for-container-file container file)
;; Wait for FILE to show up in CONTAINER.
(docker-cli "exec" container
#$(file-append guile-3.0 "/bin/guile")
"-c"
(object->string
`(let loop ((n 15))
(when (zero? n)
(error "file didn't show up" ,file))
(unless (file-exists? ,file)
(sleep 1)
(loop (- n 1)))))))
(let* ((line (slurp #$(file-append docker-cli "/bin/docker")
"load" "-i" #$tarball))
(repository&tag (string-drop line
(string-length
"Loaded image: ")))
(container (slurp
#$(file-append docker-cli "/bin/docker")
"create" repository&tag)))
(docker-cli "start" container)
;; Wait for shepherd to be ready.
(wait-for-container-file container
"/var/run/shepherd/socket")
(docker-cli "exec" container
"/run/current-system/profile/bin/herd"
"status")
(slurp #$(file-append docker-cli "/bin/docker")
"exec" container
"/run/current-system/profile/bin/herd"
"status" "guix-daemon")))
marionette))
(test-end))))
(gexp->derivation "docker-system-test" test))
(define %test-docker-system
(system-test
(name "docker-system")
(description "Run a system image as produced by @command{guix system
docker-image} inside Docker.")
(value (with-monad %store-monad
(>>= (lower-object
(system-image (os->image
(operating-system
(inherit (simple-operating-system))
;; Use locales for a single libc to
;; reduce space requirements.
(locale-libcs (list glibc)))
#:type docker-image-type)))
run-docker-system-test)))))
|
