200 lines
8.3 KiB
Scheme
200 lines
8.3 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>.
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu tests vnc)
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#:use-module (gnu bootloader)
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#:use-module (gnu bootloader grub)
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#:use-module (gnu packages)
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#:use-module (gnu packages ocr)
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#:use-module (gnu packages glib)
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#:use-module (gnu services)
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#:use-module (gnu services dbus)
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#:use-module (gnu services desktop)
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#:use-module (gnu services networking)
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#:use-module (gnu services ssh)
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#:use-module (gnu services vnc)
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#:use-module (gnu services xorg)
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#:use-module (gnu system)
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#:use-module (gnu system file-systems)
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#:use-module (gnu system shadow)
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#:use-module (gnu system vm)
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#:use-module (gnu tests)
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#:use-module (guix gexp)
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#:use-module (guix modules)
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#:export (%test-xvnc))
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(define %xvnc-os
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(operating-system
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;; Usual boilerplate.
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(host-name "komputilo")
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(timezone "Europe/Berlin")
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(locale "en_US.UTF-8")
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(bootloader (bootloader-configuration
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(bootloader grub-bootloader)
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(targets '("/dev/sdX"))))
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(file-systems (cons (file-system
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(device (file-system-label "my-root"))
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(mount-point "/")
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(type "ext4"))
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%base-file-systems))
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(users (cons (user-account
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(name "dummy")
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(group "users")
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(supplementary-groups '("wheel" "netdev"
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"audio" "video")))
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%base-user-accounts))
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(packages (append (map specification->package
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'("dbus" ;for dbus-run-session
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"dconf"
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"gnome-settings-daemon" ;for schemas
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"ratpoison"
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"tigervnc-client"
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"xterm"))
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%base-packages
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(list `(,glib "bin")
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glib)))
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(services (cons*
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(service openssh-service-type (openssh-configuration
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(permit-root-login #t)
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(allow-empty-passwords? #t)))
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(service xvnc-service-type (xvnc-configuration
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(display-number 5)
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(security-types (list "None"))
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(log-level 100)
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(localhost? #f)
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(xdmcp? #t)
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(inetd? #t)))
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(modify-services %desktop-services
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(gdm-service-type config => (gdm-configuration
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(inherit config)
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(auto-login? #t)
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(auto-suspend? #f)
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(default-user "root")
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(debug? #t)
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(xdmcp? #t))))))))
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(define (run-xvnc-test)
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"Run tests in %XVNC-OS."
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(define os (marionette-operating-system
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%xvnc-os
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#:imported-modules (source-module-closure
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'((gnu services herd)))))
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(define vm (virtual-machine
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(operating-system os)
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(memory-size 1024)))
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(define test
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(with-imported-modules (source-module-closure
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'((gnu build marionette)
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(guix build utils)))
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#~(begin
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(use-modules (gnu build marionette)
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(guix build utils)
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(srfi srfi-26)
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(srfi srfi-64))
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(let ((marionette (make-marionette (list #$vm))))
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(test-runner-current (system-test-runner #$output))
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(test-begin "xvnc")
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(test-assert "service running"
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(marionette-eval
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'(begin
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(use-modules (gnu services herd))
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(start-service 'xvnc))
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marionette))
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(test-assert "wait for port 5905, IPv4"
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(wait-for-tcp-port 5905 marionette))
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(test-assert "wait for port 5905, IPv6"
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(wait-for-tcp-port 5905 marionette
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#:address
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'(make-socket-address
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AF_INET6 (inet-pton AF_INET6 "::1") 5905)))
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(test-assert "gdm auto-suspend is disabled"
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;; More a GDM than a Xvnc test, but since it's a cross-cutting
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;; concern and we have everything set up here, we might as well
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;; check it here.
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(marionette-eval
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'(begin
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;; Check that DCONF_PROFILE is set...
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(invoke "/bin/sh" "-lc" "\
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pgrep gdm | head -n1 | xargs -I{} grep -Fq DCONF_PROFILE /proc/{}/environ")
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;; ... and that
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(invoke "/bin/sh" "-lc" "\
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sudo -E -u gdm env DCONF_PROFILE=/etc/dconf/profile/gdm dbus-run-session \
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gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type \
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| grep -Fq nothing"))
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marionette))
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(test-assert "vnc lands on the gdm login screen"
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;; This test runs vncviewer on the local VM and verifies that it
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;; manages to access the GDM login screen (via XDMCP).
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(begin
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(define (ratpoison-abort)
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(marionette-control "sendkey ctrl-g" marionette))
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(define (ratpoison-help)
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(marionette-control "sendkey ctrl-t" marionette)
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(marionette-type "?" marionette)
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(sleep 1)) ;wait for help screen to appear
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(define (ratpoison-exec command)
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(marionette-control "sendkey ctrl-t" marionette)
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(marionette-type "!" marionette)
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(marionette-type (string-append command "\n") marionette))
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;; Wait until the ratpoison help screen can be displayed; this
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;; means the window manager is ready.
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(wait-for-screen-text marionette
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(cut string-contains <> "key bindings")
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#:ocr #$(file-append tesseract-ocr
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"/bin/tesseract")
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#:pre-action ratpoison-help
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#:post-action ratpoison-abort)
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;; Run vncviewer and expect the GDM login screen (accessed via
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;; XDMCP). This can take a while to appear on slower machines.
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(ratpoison-exec "vncviewer localhost:5905")
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;; XXX: tesseract narrowly recognizes "Guix" as "uix" from the
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;; background image; ocrad fares worst. Sadly, 'Username' is
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;; not recognized at all.
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(wait-for-screen-text marionette
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(cut string-contains <> "uix")
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#:ocr #$(file-append tesseract-ocr
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"/bin/tesseract")
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#:timeout 120)))
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(test-end)))))
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(gexp->derivation "xvnc-test" test))
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(define %test-xvnc
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(system-test
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(name "xvnc")
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(description "Basic tests for the Xvnc service. One of the tests validate
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that XDMCP works with GDM, and is therefore heavy in terms of disk and memory
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requirements.")
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(value (run-xvnc-test))))
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