forked from artix/66-scripts
3 changed files with 79 additions and 84 deletions
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.Dd June 1, 2016 |
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.Dt MODULES-LOAD 8 |
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.Os Linux |
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.Sh NAME |
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.Nm modules-load |
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.Nd Configure kernel modules to load at boot |
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.Sh SYNOPSIS |
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.Nm modules-load |
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.Op Fl nv |
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.Sh DESCRIPTION |
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.Nm |
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reads files which contain kernel modules to load during boot from the list of |
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locations below. |
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.Bl -tag -width indent |
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.It Fl n |
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dry-run mode. |
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This option does everything but actually insert or delete the modules. |
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.It Fl v |
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verbose mode. |
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Print messages about what the program is doing. |
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.El |
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.Sh FILES |
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Configuration files are read from the following locations: |
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.Bl -tag -width indent |
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.It /etc/modules-load.d/*.conf |
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.It /run/modules-load.d/*.conf |
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.It /usr/lib/modules-load.d/*.conf |
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.El |
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.Pp |
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The configuration files should simply contain a list of kernel module names |
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to load, separated by newlines. |
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Empty lines and lines whose first non-whitespace character is # or ; are |
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ignored. |
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.Sh EXAMPLES |
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.Pa /etc/modules-load.d/virtio-net.conf : |
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.Bd -literal -offset indent |
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# Load virtio-net.ko at boot |
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virtio-net |
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.Ed |
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.Sh SEE ALSO |
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.Xr modprobe 8 |
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.Sh HISTORY |
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This program is a replacement for the |
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.Nm modules-load |
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utility provided by |
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.Nm systemd . |
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.Sh AUTHOR |
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.An Leah Neukirchen , |
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.Mt leah@vuxu.org . |
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.Sh LICENSE |
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.Nm |
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is in the public domain. |
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@ -1,82 +1,19 @@
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#!@BINDIR@/sh |
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# |
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# This scripts is a pure-POSIX sh version |
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# |
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# Copyright (c) 2015-2021 Eric Vidal <eric@obarun.org> |
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# All rights reserved. |
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# |
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# This file is part of Obarun. It is subject to the license terms in |
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# the LICENSE file found in the top-level directory of this |
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# distribution. |
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# This file may not be copied, modified, propagated, or distributed |
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# except according to the terms contained in the LICENSE file. |
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|
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|
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# Configuration files are read from directories in |
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# /etc/modules-load.d, /run/modules-load.d, and /usr/lib/modules-load.d, |
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# in order of precedence |
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MODULES_PATH='/etc/modules-load.d /run/modules-load.d /usr/lib/modules-load.d' |
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MODULES_NAME="" |
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MODULES_RESULT="" |
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|
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check_elements(){ |
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for e in $2; do [ "$e" = "$1" ] && return 0; done; return 1; |
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} |
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build_array() { |
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printf "%s %s" "$1" "$2" |
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} |
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check_file(){ |
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tidy_loop="" conf="" |
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for tidy_loop in $MODULES_PATH; do |
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if [ -d "${tidy_loop}" ]; then |
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for conf in "${tidy_loop}"/*.conf ; do |
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if [ -f "${conf}" ]; then |
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if ! check_elements "${conf##*/}" "${MODULES_NAME}"; then |
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MODULES_NAME=$(build_array "${MODULES_NAME}" "${conf##*/}") |
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fi |
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fi |
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done |
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fi |
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done |
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unset tidy_loop conf |
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} |
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check_path(){ |
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path="" tidy_loop="" |
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for path in ${MODULES_PATH}; do |
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for tidy_loop in ${MODULES_NAME}; do |
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if [ -f "${path}/${tidy_loop}" ]; then |
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if ! check_elements "${tidy_loop}" "${MODULES_RESULT##*/}";then |
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MODULES_RESULT=$(build_array "${MODULES_RESULT}" "${path}/${tidy_loop}") |
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fi |
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fi |
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done |
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done |
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unset path tidy_loop |
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} |
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check_file |
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if [ -n "${MODULES_NAME}" ]; then |
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check_path |
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else |
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printf "$0: %s\n" "No modules found -- nothing to do" |
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exit 0 |
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fi |
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for mod in ${MODULES_RESULT}; do |
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while read -r line; do |
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comment=$(printf "%s" "$line" | awk '{ string=substr($0, 0, 1); print string; }' ) |
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if [ "${comment}" = "#" ] || [ -z "${line}" ];then |
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continue |
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fi |
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for check in ${line};do |
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modprobe -b "${check}" -v | sed 's:insmod [^ ]*/:Load modules :g; s:\.ko\(\.gz\)\? ::g' |
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done |
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done < "${mod}" |
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done |
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exit 0 |
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#!/bin/sh |
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# modules-load [-n] [-v] - modules-load.d(8) compatible kernel module loader |
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export PATH=/bin:/sbin |
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{ |
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# Parameters passed as modules-load= or rd.modules-load= in kernel command line. |
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sed -nr 's/,/\n/;s/(.* |^)(rd\.)?modules-load=([^ ]*).*/\3/p' /proc/cmdline |
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# Find files /{etc,run,usr/lib}/modules-load.d/*.conf in that order. |
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find -L /etc/modules-load.d /run/modules-load.d /usr/lib/modules-load.d \ |
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-maxdepth 1 -name '*.conf' -printf '%p %P\n' 2>/dev/null | |
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# Load each basename only once. |
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sort -k2 -s | uniq -f1 | cut -d' ' -f1 | |
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# Read the files, output all non-empty, non-comment lines. |
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tr '\012' '\0' | xargs -0 -r grep -h -v -e '^[#;]' -e '^$' |
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} | |
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# Call modprobe on the list of modules |
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tr '\012' '\0' | xargs -0 -r modprobe -ab "$@" |
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