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* doc/guix.texi (Linux Services): Add a new subsection and document the new service and its configuration. * gnu/services/linux.scm (kernel-module-loader-service-type): New type. (kernel-module-loader-shepherd-service): New procedure. * gnu/tests/linux-modules.scm (module-loader-program): Procedure removed. (modules-loaded?-program): New procedure. (run-loadable-kernel-modules-test): 'module-loader-program' procedure replaced by the new one. [os]: Use 'kernel-module-loader-service'. Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
122 lines
4.6 KiB
Scheme
122 lines
4.6 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.org>
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;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
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;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
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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 linux-modules)
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#:use-module (gnu packages linux)
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#:use-module (gnu services)
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#:use-module (gnu services linux)
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#:use-module (gnu system)
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#:use-module (gnu system vm)
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#:use-module (gnu tests)
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#:use-module (guix derivations)
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#:use-module (guix gexp)
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#:use-module (guix modules)
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#:use-module (guix monads)
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#:use-module (guix store)
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#:export (%test-loadable-kernel-modules-0
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%test-loadable-kernel-modules-1
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%test-loadable-kernel-modules-2))
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;;; Commentary:
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;;;
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;;; Test <operating-system> kernel-loadable-modules.
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;;;
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;;; Code:
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(define* (modules-loaded?-program os modules)
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"Return an executable store item that, upon being evaluated, will verify
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that MODULES are actually loaded."
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(program-file
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"verify-kernel-modules-loaded.scm"
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#~(begin
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(use-modules (ice-9 rdelim)
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(ice-9 popen)
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(srfi srfi-1)
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(srfi srfi-13))
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(let* ((port (open-input-pipe (string-append #$kmod "/bin/lsmod")))
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(lines (string-split (read-string port) #\newline))
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(separators (char-set #\space #\tab))
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(modules (map (lambda (line)
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(string-take line
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(or (string-index line separators)
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0)))
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lines))
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(status (close-pipe port)))
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(and (= status 0)
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(and-map (lambda (module)
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(member module modules string=?))
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'#$modules))))))
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(define* (run-loadable-kernel-modules-test module-packages module-names)
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"Run a test of an OS having MODULE-PACKAGES, and verify that MODULE-NAMES
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are loaded in memory."
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(define os
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(marionette-operating-system
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(operating-system
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(inherit (simple-operating-system))
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(services (cons (service kernel-module-loader-service-type module-names)
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(operating-system-user-services
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(simple-operating-system))))
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(kernel-loadable-modules module-packages))
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#:imported-modules '((guix combinators))))
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(define vm (virtual-machine os))
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(define (test script)
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(with-imported-modules '((gnu build marionette))
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#~(begin
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(use-modules (gnu build marionette)
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(srfi srfi-64))
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(define marionette
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(make-marionette (list #$vm)))
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(mkdir #$output)
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(chdir #$output)
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(test-begin "loadable-kernel-modules")
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(test-assert "script successfully evaluated"
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(marionette-eval
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'(primitive-load #$script)
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marionette))
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(test-end)
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(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
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(gexp->derivation "loadable-kernel-modules"
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(test (modules-loaded?-program os module-names))))
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(define %test-loadable-kernel-modules-0
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(system-test
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(name "loadable-kernel-modules-0")
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(description "Tests loadable kernel modules facility of <operating-system>
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with no extra modules.")
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(value (run-loadable-kernel-modules-test '() '()))))
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(define %test-loadable-kernel-modules-1
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(system-test
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(name "loadable-kernel-modules-1")
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(description "Tests loadable kernel modules facility of <operating-system>
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with one extra module.")
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(value (run-loadable-kernel-modules-test
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(list ddcci-driver-linux)
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'("ddcci")))))
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(define %test-loadable-kernel-modules-2
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(system-test
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(name "loadable-kernel-modules-2")
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(description "Tests loadable kernel modules facility of <operating-system>
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with two extra modules.")
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(value (run-loadable-kernel-modules-test
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(list acpi-call-linux-module ddcci-driver-linux)
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'("acpi_call" "ddcci")))))
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