aboutsummaryrefslogtreecommitdiff
path: root/gnu/tests/nfs.scm
blob: 5d04af38fbb70beb3e5db310bd6cf15fce64d1fc (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
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
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2017, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 John Darrington <jmd@gnu.org>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; 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 nfs)
  #:use-module (gnu tests)
  #:use-module (gnu bootloader)
  #:use-module (gnu bootloader grub)
  #:use-module (gnu system)
  #:use-module (gnu system file-systems)
  #:use-module (gnu system shadow)
  #:use-module (gnu system vm)
  #:use-module (gnu services)
  #:use-module (gnu services base)
  #:use-module (gnu services nfs)
  #:use-module (gnu services networking)
  #:use-module (gnu packages onc-rpc)
  #:use-module (gnu packages nfs)
  #:use-module (guix gexp)
  #:use-module (guix store)
  #:use-module (guix monads)
  #:export (%test-nfs
            %test-nfs-server
            %test-nfs-root-fs))

(define %base-os
  (operating-system
    (host-name "olitupmok")
    (timezone "Europe/Berlin")
    (locale "en_US.UTF-8")

    (bootloader (bootloader-configuration
                 (bootloader grub-bootloader)
                 (target "/dev/sdX")))
    (file-systems %base-file-systems)
    (users %base-user-accounts)
    (packages (cons*
               rpcbind
               %base-packages))
    (services (cons*
               (service rpcbind-service-type)
               (service dhcp-client-service-type)
               %base-services))))

(define (run-nfs-test name socket)
  "Run a test of an OS running RPC-SERVICE, which should create SOCKET."
  (define os
    (marionette-operating-system
     %base-os
     #:imported-modules '((gnu services herd)
                          (guix combinators))))

  (define test
    (with-imported-modules '((gnu build marionette))
      #~(begin
          (use-modules (gnu build marionette)
                       (srfi srfi-64))

          (define marionette
            (make-marionette (list #$(virtual-machine os))))

          (define (wait-for-socket file)
            ;; Wait until SOCKET  exists in the guest
            (marionette-eval
             `(let loop ((i 10))
                (cond ((and (file-exists? ,file)
                            (eq? 'socket (stat:type (stat ,file))))
                       #t)
                      ((> i 0)
                       (sleep 1)
                       (loop (- i 1)))
                      (else
                       (error "Socket didn't show up: " ,file))))
             marionette))

          (mkdir #$output)
          (chdir #$output)

          (test-begin "rpc-daemon")

          ;; Wait for the rpcbind daemon to be up and running.
          (test-assert "RPC service running"
            (marionette-eval
             '(begin
                (use-modules (gnu services herd))

                ;; Ensure 'rpcinfo' can be found below.
                (setenv "PATH" "/run/current-system/profile/bin")

                (start-service 'rpcbind-daemon))
             marionette))

          ;; Check the socket file and that the service is still running.
          (test-assert "RPC socket exists"
            (and
             (wait-for-socket #$socket)
             (marionette-eval
              '(begin
                 (use-modules (gnu services herd)
                              (srfi srfi-1))

                 (live-service-running
                  (find (lambda (live)
                          (memq 'rpcbind-daemon
                                (live-service-provision live)))
                        (current-services))))
              marionette)))

          (test-assert "Probe RPC daemon"
            (marionette-eval
             '(zero? (system* "rpcinfo" "-p"))
             marionette))

          (test-end)
          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))

  (gexp->derivation name test))

(define %test-nfs
  (system-test
   (name "nfs")
   (description "Test some things related to NFS.")
   (value (run-nfs-test name "/var/run/rpcbind.sock"))))


(define %nfs-os
  (let ((os (simple-operating-system
             (simple-service 'create-target-directory activation-service-type
                             #~(begin
                                 (mkdir "/remote")
                                 (chmod "/remote" #o777)
                                 #t))
             (service dhcp-client-service-type)
             (service nfs-service-type
                      (nfs-configuration
                       (debug '(nfs nfsd mountd))
                       (exports '(("/export"
                                   ;; crossmnt = This is the pseudo root.
                                   ;; fsid=0 = root file system of the export
                                   "*(ro,insecure,no_subtree_check,crossmnt,fsid=0)"))))))))
    (operating-system
      (inherit os)
      (host-name "nfs-server")
      ;; We need to use a tmpfs here, because the test system's root file
      ;; system cannot be re-exported via NFS.
      (file-systems (cons
                     (file-system
                       (device "none")
                       (mount-point "/export")
                       (type "tmpfs")
                       (create-mount-point? #t))
                     %base-file-systems))
      (services
       ;; Enable debugging output.
       (modify-services (operating-system-user-services os)
         (syslog-service-type config
                              =>
                              (syslog-configuration
                               (inherit config)
                               (config-file
                                (plain-file
                                 "syslog.conf"
                                 "*.* /dev/console\n")))))))))

(define (run-nfs-server-test)
  "Run a test of an OS running a service of NFS-SERVICE-TYPE."
  (define os
    (marionette-operating-system
     %nfs-os
     #:requirements '(nscd)
     #:imported-modules '((gnu services herd)
                          (guix combinators))))
  (define test
    (with-imported-modules '((gnu build marionette))
      #~(begin
          (use-modules (gnu build marionette)
                       (srfi srfi-64))

          (define marionette
            (make-marionette (list #$(virtual-machine os))))

          (mkdir #$output)
          (chdir #$output)

          (test-begin "nfs-daemon")
          (marionette-eval
           '(begin
              (current-output-port
               (open-file "/dev/console" "w0"))
              (chmod "/export" #o777)
              (with-output-to-file "/export/hello"
                (lambda () (display "hello world")))
              (chmod "/export/hello" #o777))
           marionette)

          (test-assert "nscd PID file is created"
            (marionette-eval
             '(begin
                (use-modules (gnu services herd))
                (start-service 'nscd))
             marionette))

          (test-assert "nscd is listening on its socket"
            (wait-for-unix-socket "/var/run/nscd/socket"
                                  marionette))

          (test-assert "network is up"
            (marionette-eval
             '(begin
                (use-modules (gnu services herd))
                (start-service 'networking))
             marionette))

          ;; Wait for the NFS services to be up and running.
          (test-assert "nfs services are running"
            (and (marionette-eval
                  '(begin
                     (use-modules (gnu services herd))
                     (start-service 'nfs))
                  marionette)
                 (wait-for-file "/var/run/rpc.statd.pid" marionette)))

          (test-assert "nfs share is advertised"
            (marionette-eval
             '(zero? (system* (string-append #$nfs-utils "/sbin/showmount")
                              "-e" "nfs-server"))
             marionette))

          (test-assert "nfs share mounted"
            (marionette-eval
             '(begin
                (and (zero? (system* (string-append #$nfs-utils "/sbin/mount.nfs4")
                                     "nfs-server:/" "/remote" "-v"))
                     (file-exists? "/remote/hello")))
             marionette))
          (test-end)
          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))

  (gexp->derivation "nfs-server-test" test))

(define %test-nfs-server
  (system-test
   (name "nfs-server")
   (description "Test that an NFS server can be started and exported
directories can be mounted.")
   (value (run-nfs-server-test))))


(define (run-nfs-root-fs-test)
  "Run a test of an OS mounting its root file system via NFS."
  (define nfs-root-server-os
    (marionette-operating-system
     (operating-system
       (inherit %nfs-os)
       (services
         (modify-services (operating-system-user-services %nfs-os)
           (nfs-service-type config =>
            (nfs-configuration
             (debug '(nfs nfsd mountd))
             ;;; Note: Adding the following line causes Guix to hang.
             ;(rpcmountd-port 20001)
             ;;; Note: Adding the following line causes Guix to hang.
             ;(rpcstatd-port 20002) ; FIXME: Set broadcast port AND listening port.
             (nfsd-port 2049)
             (nfs-versions '("4.2"))
             (exports '(("/export"
                         "*(rw,insecure,no_subtree_check,crossmnt,fsid=root,no_root_squash,insecure,async)"))))))))
     #:requirements '(nscd)
     #:imported-modules '((gnu services herd)
                          (guix combinators))))

  (define nfs-root-client-os
    (marionette-operating-system
     (operating-system
       (inherit (simple-operating-system (service dhcp-client-service-type)))
       (kernel-arguments '("ip=dhcp"))
       (file-systems (cons
                      (file-system
                        (type "nfs")
                        (mount-point "/")
                        (device ":/export")
                        (options "addr=127.0.0.1,vers=4.2"))
                     %base-file-systems)))
     #:requirements '(nscd)
     #:imported-modules '((gnu services herd)
                          (guix combinators))))

  (define test
    (with-imported-modules '((gnu build marionette))
      #~(begin
          (use-modules (gnu build marionette)
                       (srfi srfi-64))

          (mkdir #$output)
          (chdir #$output)

          (test-begin "start-nfs-boot-test")

          ;;; Start up NFS server host.

          (mkdir "/tmp/server")
          (define server-marionette
            (make-marionette (list #$(virtual-machine
                                      nfs-root-server-os
                                      ;(operating-system nfs-root-server-os)
                                      ;(port-forwardings '( ; (111 . 111)
                                      ;                    (2049 . 2049)
                                      ;                    (20001 . 20001)
                                      ;                    (20002 . 20002)))
))
                             #:socket-directory "/tmp/server"))

          (marionette-eval
           '(begin
              (use-modules (gnu services herd))
              (current-output-port
               (open-file "/dev/console" "w0"))
              ;; FIXME: Instead statfs "/" and "/export" and wait until they
              ;; are different file systems.  But Guile doesn't seem to have
              ;; statfs.
              (sleep 5)
              (chmod "/export" #o777)
              (symlink "/gnu" "/export/gnu")
              (start-service 'nscd)
              (start-service 'networking)
              (start-service 'nfs))
           server-marionette)

          ;;; Wait for the NFS services to be up and running.

          (test-assert "nfs services are running"
           (wait-for-file "/var/run/rpc.statd.pid" server-marionette))

          (test-assert "NFS port is ready"
            (wait-for-tcp-port 2049 server-marionette))

          (test-assert "NFS statd port is ready"
            (wait-for-tcp-port 20002 server-marionette))

          (test-assert "NFS mountd port is ready"
            (wait-for-tcp-port 20001 server-marionette))

          ;;; FIXME: (test-assert "NFS portmapper port is ready"
          ;;; FIXME:  (wait-for-tcp-port 111 server-marionette))

          ;;; Start up NFS client host.

          (define client-marionette
            (make-marionette (list #$(virtual-machine
                                      nfs-root-client-os
                                      ;(port-forwardings '((111 . 111)
                                      ;                    (2049 . 2049)
                                      ;                    (20001 . 20001)
                                      ;                    (20002 . 20002)))
                                                          ))))

          (marionette-eval
           '(begin
              (use-modules (gnu services herd))
              (use-modules (rnrs io ports))

              (current-output-port
               (open-file "/dev/console" "w0"))
              (let ((content (call-with-input-file "/proc/mounts" get-string-all)))
                (call-with-output-file "/mounts.new"
                  (lambda (port)
                    (display content port))))
              (chmod "/mounts.new" #o777)
              (rename-file "/mounts.new" "/mounts"))
           client-marionette)

          (test-assert "nfs-root-client booted")

          ;;; Check whether NFS client host communicated with NFS server host.

          (test-assert "nfs client deposited file"
           (wait-for-file "/export/mounts" server-marionette))
          (marionette-eval
           '(begin
              (current-output-port
               (open-file "/dev/console" "w0"))
              (call-with-input-file "/export/mounts" display))
           server-marionette)

          (test-end)
          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))

  (gexp->derivation "nfs-root-fs-test" test))

(define %test-nfs-root-fs
  (system-test
   (name "nfs-root-fs")
   (description "Test that an NFS server can be started and the exported
directory can be used as root filesystem.")
   (value (run-nfs-root-fs-test))))