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Diffstat (limited to 'gnu/tests')
| -rw-r--r-- | gnu/tests/vnstat.scm | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/gnu/tests/vnstat.scm b/gnu/tests/vnstat.scm new file mode 100644 index 0000000000..d1be98e342 --- /dev/null +++ b/gnu/tests/vnstat.scm @@ -0,0 +1,159 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu>. +;;; +;;; 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 vnstat) + #:use-module (gnu tests) + #:use-module ((gnu packages networking) #:select (socat vnstat)) + #:use-module (gnu services) + #:use-module (gnu services networking) + #:use-module (gnu services monitoring) + #:use-module (gnu system) + #:use-module (gnu system vm) + #:use-module (guix gexp) + #:use-module (ice-9 format) + #:export (%test-vnstat)) + + +(define (run-vnstat-test) + "Run tests in a vm which has vnstat running." + + (define vnstat-config + (vnstat-configuration + (max-bandwidth 0) + (time-sync-wait 0) + (bandwidth-detection-interval 0))) + + (define inetd-service-entry-config + (inetd-entry + (name "discard") + (socket-type 'stream) + (protocol "tcp") + (wait? #t) + (user "nobody"))) + + (define os + (marionette-operating-system + (simple-operating-system + (service dhcp-client-service-type) + (service vnstat-service-type + vnstat-config) + (service inetd-service-type + (inetd-configuration + (entries + (list inetd-service-entry-config))))) + #:imported-modules '((gnu services herd)))) + + (define forwarded-port 9999) + + (define vm + (let* ((inetd-service-name "discard") + (inetd-service-proto + (inetd-entry-protocol inetd-service-entry-config)) + (guest-port + (servent:port (getservbyname inetd-service-name + inetd-service-proto)))) + (virtual-machine + (operating-system os) + (port-forwardings `((,forwarded-port . ,guest-port)))))) + + ;; The test duration is inconsistent, at times a test may complete under + ;; 2 minutes and at times it may take up to 5 minutes. + (define test-timeout (* 60 5)) + + (define test + (with-imported-modules '((gnu build marionette)) + #~(begin + (use-modules (gnu build marionette) + (srfi srfi-64)) + + (let ((marionette (make-marionette (list #$vm))) + (pid-file #$(vnstat-configuration-pid-file vnstat-config))) + + (test-runner-current (system-test-runner #$output)) + (test-begin "vnstat") + + (test-assert "service is running" + (marionette-eval + '(begin + (use-modules (gnu services herd)) + (start-service 'vnstatd)) + marionette)) + + (test-assert "vnstatd ready" + (wait-for-file pid-file marionette)) + + ;; Pump garbage into the 'discard' inetd service within the vm. + (let* ((socat #$(file-append socat "/bin/socat")) + (dest-addr #$(format #f "TCP4:localhost:~d" + forwarded-port)) + (args `("socat" "-u" "/dev/zero" ,dest-addr)) + ;; XXX: Guile bug (22/03/2023, Guile 3.0.9) + ;; Fixed in main: <https://issues.guix.gnu.org/61073> + ;; FIXME: re-add #:output (%make-void-port "w") below on + ;; next Guile release. + (garbage-pump-pid + (spawn socat args))) + (test-group-with-cleanup "Logging" + ;; To aid debugging, this test returns #t on success + ;; and either #f or 'timed-out otherwise. + (test-eq "vnstatd is logging" + #t + (marionette-eval + '(begin + (use-modules (ice-9 popen) + (ice-9 match) + (sxml simple) + (sxml xpath)) + + (define selector + (let ((xpath '(vnstat interface traffic total))) + (compose (node-pos 1) (sxpath xpath)))) + + (let loop ((i 0)) + (let* ((vnstat #$(file-append vnstat "/bin/vnstat")) + (query-cmd (format #f "~a --xml" vnstat)) + (proc (compose selector xml->sxml)) + (result + (call-with-port + (open-input-pipe query-cmd) proc))) + (match result + ;; Counter still warming up. + ((('total ('rx "0") ('tx "0"))) + (sleep 1) + (if (< i #$test-timeout) + (loop (+ i 1)) + 'timed-out)) + ;; Count of bytes on iface was non-zero. + ((('total ('rx rx) ('tx tx))) + #t) + ;; Unknown data encountered, perhaps the + ;; data format changed? + (_ #f))))) + marionette)) + ;; Cleanup: shutdown garbage pump. + (kill garbage-pump-pid SIGTERM))) + + (test-end))))) + + (gexp->derivation "vnstat-test" test)) + +(define %test-vnstat + (system-test + (name "vnstat") + (description "Basic tests for vnstat service.") + (value (run-vnstat-test)))) |