summary refs log tree commit diff
path: root/gnu/tests/virtualization.scm
blob: 9d381695be812bf5e1521c89b8a65b548801e8f9 (plain) (blame)
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
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
;;; Copyright © 2020 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 virtualization)
  #:use-module (gnu tests)
  #:use-module (gnu system)
  #:use-module (gnu system file-systems)
  #:use-module (gnu system vm)
  #:use-module (gnu services)
  #:use-module (gnu services dbus)
  #:use-module (gnu services networking)
  #:use-module (gnu services virtualization)
  #:use-module (gnu packages virtualization)
  #:use-module (gnu packages ssh)
  #:use-module (guix gexp)
  #:use-module (guix store)
  #:export (%test-libvirt
            %test-childhurd))


;;;
;;; Libvirt.
;;;

(define %libvirt-os
  (simple-operating-system
   (service dhcp-client-service-type)
   (dbus-service)
   (polkit-service)
   (service libvirt-service-type)))

(define (run-libvirt-test)
  "Run tests in %LIBVIRT-OS."
  (define os
    (marionette-operating-system
     %libvirt-os
     #:imported-modules '((gnu services herd)
                          (guix combinators))))

  (define vm
    (virtual-machine
     (operating-system os)
     (port-forwardings '())))

  (define test
    (with-imported-modules '((gnu build marionette))
      #~(begin
          (use-modules (srfi srfi-11) (srfi srfi-64)
                       (gnu build marionette))

          (define marionette
            (make-marionette (list #$vm)))

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

          (test-begin "libvirt")

          (test-assert "service running"
            (marionette-eval
             '(begin
                (use-modules (gnu services herd))
                (match (start-service 'libvirtd)
                  (#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 #$libvirt "/bin/virsh")
                         "-c" "qemu:///system" "version"))
             marionette))

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

  (gexp->derivation "libvirt-test" test))

(define %test-libvirt
  (system-test
   (name "libvirt")
   (description "Connect to the running LIBVIRT service.")
   (value (run-libvirt-test))))


;;;
;;; GNU/Hurd virtual machines, aka. childhurds.
;;;

(define %childhurd-os
  (simple-operating-system
   (service dhcp-client-service-type)
   (service hurd-vm-service-type)))

(define (run-childhurd-test)
  (define os
    (marionette-operating-system
     %childhurd-os
     #:imported-modules '((gnu services herd)
                          (guix combinators))))

  (define vm
    (virtual-machine
     (operating-system os)
     (memory-size (* 1024 3))))

  (define run-uname-over-ssh
    ;; Program that runs 'uname' over SSH and prints the result on standard
    ;; output.
    (let ()
      (define run
        (with-extensions (list guile-ssh)
          #~(begin
              (use-modules (ssh session)
                           (ssh auth)
                           (ssh popen)
                           (ice-9 match)
                           (ice-9 textual-ports))

              (let ((session (make-session #:user "root"
                                           #:port 10022
                                           #:host "localhost"
                                           #:log-verbosity 'rare)))
                (match (connect! session)
                  ('ok
                   (userauth-password! session "")
                   (display
                    (get-string-all
                     (open-remote-input-pipe* session "uname" "-on"))))
                  (status
                   (error "could not connect to childhurd over SSH"
                          session status)))))))

      (program-file "run-uname-over-ssh" run)))

  (define test
    (with-imported-modules '((gnu build marionette))
      #~(begin
          (use-modules (gnu build marionette)
                       (srfi srfi-64)
                       (ice-9 match))

          (define marionette
            (make-marionette (list #$vm)))

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

          (test-begin "childhurd")

          (test-assert "service running"
            (marionette-eval
             '(begin
                (use-modules (gnu services herd))
                (match (start-service 'childhurd)
                  (#f #f)
                  (('service response-parts ...)
                   (match (assq-ref response-parts 'running)
                     ((pid) (number? pid))))))
             marionette))

          (test-equal "childhurd SSH server replies"
            "SSH"
            ;; Check from within the guest whether its childhurd's SSH
            ;; server is reachable.  Do that from the guest: port forwarding
            ;; to the host won't work because QEMU listens on 127.0.0.1.
            (marionette-eval
             '(begin
                (use-modules (ice-9 match))

                (let loop ((n 60))
                  (if (zero? n)
                      'all-attempts-failed
                      (let ((s (socket PF_INET SOCK_STREAM 0))
                            (a (make-socket-address AF_INET
                                                    INADDR_LOOPBACK
                                                    10022)))
                        (format #t "connecting to childhurd SSH server...~%")
                        (connect s a)
                        (match (get-string-n s 3)
                          ((? eof-object?)
                           (close-port s)
                           (sleep 1)
                           (loop (- n 1)))
                          (str
                           (close-port s)
                           str))))))
             marionette))

          (test-equal "SSH up and running"
            "childhurd GNU\n"

            ;; Connect from the guest to the chidhurd over SSH and run the
            ;; 'uname' command.
            (marionette-eval
             '(begin
                (use-modules (ice-9 popen))

                (get-string-all
                 (open-input-pipe #$run-uname-over-ssh)))
             marionette))

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

  (gexp->derivation "childhurd-test" test))

(define %test-childhurd
  (system-test
   (name "childhurd")
   (description
    "Connect to the GNU/Hurd virtual machine service, aka. a childhurd, making
sure that the childhurd boots and runs its SSH server.")
   (value (run-childhurd-test))))