From 587e0d911dfff81647015e89847084b606e68f71 Mon Sep 17 00:00:00 2001 From: Efraim Flashner Date: Wed, 22 Jul 2020 21:07:31 +0300 Subject: services: Add zram-device-service. * gnu/services/linux.scm (): New record. (zram-device-service-type): New variable. * doc/guix.texi (Linux Services): Document it. * tests/services/linux.scm (zram-swap-device-test): New tests. --- tests/services/linux.scm | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'tests/services') diff --git a/tests/services/linux.scm b/tests/services/linux.scm index 8ad119c49f..e2cd191e48 100644 --- a/tests/services/linux.scm +++ b/tests/services/linux.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2020 Maxim Cournoyer +;;; Copyright © 2020 Efraim Flashner ;;; ;;; This file is part of GNU Guix. ;;; @@ -54,4 +55,40 @@ "-N" "python \"/some/path/notify-all-users.py\"") (earlyoom-configuration->command-line-args %earlyoom-configuration-sample)) + +;;; +;;; Zram swap device. +;;; + +(define zram-device-configuration->udev-string + (@@ (gnu services linux) zram-device-configuration->udev-string)) + +(define %zram-swap-device-test-1 + (zram-device-configuration + (size "2G") + (compression-algorithm 'zstd) + (memory-limit "1G") + (priority 42))) + +(test-equal "zram-swap-device-test-1" + "KERNEL==\"zram0\", ATTR{comp_algorithm}=\"zstd\" ATTR{disksize}=\"2G\" ATTR{mem_limit}=\"1G\" RUN+=\"/run/current-system/profile/sbin/mkswap /dev/zram0\" RUN+=\"/run/current-system/profile/sbin/swapon --priority 42 /dev/zram0\"\n" + (zram-device-configuration->udev-string %zram-swap-device-test-1)) + +(define %zram-swap-device-test-2 + (zram-device-configuration + (size 1048576) ; 1M + (compression-algorithm 'lz4))) + +(test-equal "zram-swap-device-test-2" + "KERNEL==\"zram0\", ATTR{comp_algorithm}=\"lz4\" ATTR{disksize}=\"1048576\" RUN+=\"/run/current-system/profile/sbin/mkswap /dev/zram0\" RUN+=\"/run/current-system/profile/sbin/swapon /dev/zram0\"\n" + (zram-device-configuration->udev-string %zram-swap-device-test-2)) + +(define %zram-swap-device-test-3 + (zram-device-configuration + (memory-limit (* 512 1000)))) + +(test-equal "zram-swap-device-test-3" + "KERNEL==\"zram0\", ATTR{comp_algorithm}=\"lzo\" ATTR{disksize}=\"1G\" ATTR{mem_limit}=\"512000\" RUN+=\"/run/current-system/profile/sbin/mkswap /dev/zram0\" RUN+=\"/run/current-system/profile/sbin/swapon /dev/zram0\"\n" + (zram-device-configuration->udev-string %zram-swap-device-test-3)) + (test-end "linux-services") -- cgit 1.4.1