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
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020, 2021 Marius Bakke <marius@gnu.org>
;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
;;;
;;; 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 ganeti)
#:use-module (gnu)
#:use-module (gnu tests)
#:use-module (gnu system vm)
#:use-module (gnu services)
#:use-module (gnu services ganeti)
#:use-module (gnu services networking)
#:use-module (gnu services ssh)
#:use-module (gnu packages virtualization)
#:use-module (guix gexp)
#:use-module (ice-9 format)
#:export (%test-ganeti-kvm %test-ganeti-lxc))
(define %ganeti-os
(operating-system
(host-name "gnt1")
(timezone "Etc/UTC")
(locale "en_US.UTF-8")
(bootloader (bootloader-configuration
(bootloader grub-bootloader)
(targets '("/dev/vda"))))
(file-systems (cons (file-system
(device (file-system-label "my-root"))
(mount-point "/")
(type "ext4"))
%base-file-systems))
(firmware '())
;; The hosts file must contain a nonlocal IP for host-name.
;; In addition, the cluster name must resolve to an IP address that
;; is not currently provisioned.
(hosts-file (plain-file "hosts" (format #f "
127.0.0.1 localhost
::1 localhost
10.0.2.15 gnt1.example.com gnt1
192.168.254.254 ganeti.example.com
")))
(packages (append (list ganeti-instance-debootstrap ganeti-instance-guix)
%base-packages))
(services
(append (list (service static-networking-service-type
(list %qemu-static-networking))
(service openssh-service-type
(openssh-configuration
(permit-root-login 'prohibit-password)))
(service ganeti-service-type
(ganeti-configuration
(file-storage-paths '("/srv/ganeti/file-storage"))
(rapi-configuration
(ganeti-rapi-configuration
;; Disable TLS so we can test the RAPI without
;; pulling in GnuTLS.
(ssl? #f)))
(os %default-ganeti-os))))
%base-services))))
(define* (run-ganeti-test hypervisor #:key
(master-netdev "eth0")
(hvparams '())
(extra-packages '())
(rapi-port 5080))
"Run tests in %GANETI-OS."
(define os
(marionette-operating-system
(operating-system
(inherit %ganeti-os)
(packages (append extra-packages
(operating-system-packages %ganeti-os))))
#:imported-modules '((gnu services herd)
(guix combinators))))
(define %forwarded-rapi-port 5080)
(define vm
(virtual-machine
(operating-system os)
;; Some of the daemons are fairly memory-hungry.
(memory-size 512)
;; Forward HTTP ports so we can access them from the "outside".
(port-forwardings `((,%forwarded-rapi-port . ,rapi-port)))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (srfi srfi-11) (srfi srfi-64)
(web uri) (web client) (web response)
(ice-9 iconv)
(gnu build marionette))
(define marionette
(make-marionette (list #$vm)))
(test-runner-current (system-test-runner #$output))
(test-begin "ganeti")
;; Ganeti uses the Shepherd to start/stop daemons, so make sure
;; it is ready before we begin. It takes a while because all
;; Ganeti daemons fail to start initially.
(test-assert "shepherd is ready"
(wait-for-unix-socket "/var/run/shepherd/socket" marionette))
(test-eq "gnt-cluster init"
0
(marionette-eval
'(begin
(setenv
"PATH"
;; Init needs to run 'ssh-keygen', 'ip', etc.
"/run/current-system/profile/sbin:/run/current-system/profile/bin")
(system* #$(file-append ganeti "/sbin/gnt-cluster") "init"
(string-append "--master-netdev=" #$master-netdev)
;; TODO: Enable more disk backends.
"--enabled-disk-templates=file"
(string-append "--enabled-hypervisors="
#$hypervisor)
(string-append "--hypervisor-parameters="
#$hypervisor ":"
(string-join '#$hvparams "\n"))
;; Set the default NIC mode to 'routed' to avoid having to
;; configure a full bridge to placate 'gnt-cluster verify'.
"--nic-parameters=mode=routed,link=eth0"
"ganeti.example.com"))
marionette))
;; Disable the watcher while doing daemon tests to prevent interference.
(test-eq "watcher pause"
0
(marionette-eval
'(begin
(system* #$(file-append ganeti "/sbin/gnt-cluster")
"watcher" "pause" "1h"))
marionette))
(test-assert "force-start wconfd"
;; Check that the 'force-start' Shepherd action works, used in a
;; master-failover scenario.
(marionette-eval
'(begin
(setenv "PATH" "/run/current-system/profile/bin")
(invoke "herd" "stop" "ganeti-wconfd")
(invoke "herd" "disable" "ganeti-wconfd")
(invoke "herd" "force-start" "ganeti-wconfd"))
marionette))
;; Verify that the cluster is healthy.
(test-eq "gnt-cluster verify 1"
0
(marionette-eval
'(begin
(system* #$(file-append ganeti "/sbin/gnt-cluster") "verify"))
marionette))
;; Try stopping and starting daemons with daemon-util like
;; 'gnt-node add', 'gnt-cluster init', etc.
(test-eq "daemon-util stop-all"
0
(marionette-eval
'(begin
(system* #$(file-append ganeti "/lib/ganeti/daemon-util")
"stop-all"))
marionette))
(test-eq "daemon-util start-all"
0
(marionette-eval
'(begin
(system* #$(file-append ganeti "/lib/ganeti/daemon-util")
"start-all"))
marionette))
;; Check that the cluster is still healthy after the daemon restarts.
(test-eq "gnt-cluster verify 2"
0
(marionette-eval
'(begin
(system* #$(file-append ganeti "/sbin/gnt-cluster") "verify"))
marionette))
(test-eq "watcher continue"
0
(marionette-eval
'(begin
(system* #$(file-append ganeti "/sbin/gnt-cluster")
"watcher" "continue"))
marionette))
;; Try accessing the RAPI.
(test-equal "http-get RAPI version"
'(200 "2\n")
(let-values
(((response text)
(http-get #$(simple-format
#f "http://localhost:~A/version"
%forwarded-rapi-port)
#:decode-body? #f)))
(list (response-code response)
;; The API response lacks a content-type, so
;; (http-client) won't decode it for us.
(bytevector->string text "UTF-8"))))
(test-equal "gnt-os list"
"debootstrap+default\nguix+default\n"
(marionette-eval
'(begin
(use-modules (ice-9 popen))
(let* ((port (open-pipe*
OPEN_READ
#$(file-append ganeti "/sbin/gnt-os")
"list" "--no-headers"))
(output (get-string-all port)))
(close-pipe port)
output))
marionette))
(test-eq "gnt-cluster destroy"
0
(marionette-eval
'(begin
(system* #$(file-append ganeti "/sbin/gnt-cluster")
"destroy" "--yes-do-it"))
marionette))
(test-end))))
(gexp->derivation (string-append "ganeti-" hypervisor "-test") test))
(define %test-ganeti-kvm
(system-test
(name "ganeti-kvm")
(description "Provision a Ganeti cluster using the KVM hypervisor.")
(value (run-ganeti-test "kvm"
;; Set kernel_path to an empty string to prevent
;; 'gnt-cluster verify' from testing for its presence.
#:hvparams '("kernel_path=")
#:extra-packages (list qemu)))))
(define %test-ganeti-lxc
(system-test
(name "ganeti-lxc")
(description "Provision a Ganeti cluster using LXC as the hypervisor.")
(value (run-ganeti-test "lxc"
#:extra-packages (list lxc)))))
|