fuel-library/deployment/puppet/sysfs/files/centos-sysfsutils.init.sh
Dmitry Ilyin 5cde6f1668 Implement sysfs values management resource
Change-Id: I84cd799630a5b930f7e22cad735205d122fa0fb1
Closes-Bug: 1456587
Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
2015-05-26 14:24:30 +00:00

81 lines
2.0 KiB
Bash

#!/bin/bash
#
# sysfs Apply sysfs values from the config files
#
# Based on Debian 'sysfsutils' init script
#
# chkconfig: 345 15 85
# description: Sets sysfs values from the config file to the system on boot
### BEGIN INIT INFO
# Short-Description: Apply sysfs values from the config files
# Description: Apply sysfs values from the config files
### END INIT INFO
. '/etc/init.d/functions'
if [ -f '/etc/sysconfig/sysfs' ]; then
. '/etc/sysconfig/sysfs'
fi
if [ -z "${CONFIG_FILE}" ]; then
CONFIG_FILE='/etc/sysfs.conf'
fi
if [ -z "${CONFIG_DIR}" ]; then
CONFIG_DIR='/etc/sysfs.d'
fi
load_conffile() {
FILE="$1"
echo "Load sysfs file: ${FILE}"
sed 's/#.*$//; /^[[:space:]]*$/d;
s/^[[:space:]]*\([^=[:space:]]*\)[[:space:]]*\([^=[:space:]]*\)[[:space:]]*=[[:space:]]*\(.*\)/\1 \2 \3/' \
"${FILE}" | {
while read f1 f2 f3; do
if [ "$f1" = "mode" -a -n "$f2" -a -n "$f3" ]; then
if [ -f "/sys/$f2" ] || [ -d "/sys/$f2" ]; then
chmod "$f3" "/sys/$f2"
else
failure "unknown attribute $f2"
fi
elif [ "$f1" = "owner" -a -n "$f2" -a -n "$f3" ]; then
if [ -f "/sys/$f2" ]; then
chown "$f3" "/sys/$f2"
else
failure "unknown attribute $f2"
fi
elif [ "$f1" -a -n "$f2" -a -z "$f3" ]; then
if [ -f "/sys/$f1" ]; then
# Some fields need a terminating newline, others
# need the terminating newline to be absent :-(
echo -n "$f2" > "/sys/$f1" 2>/dev/null ||
echo "$f2" > "/sys/$f1"
else
echo "unknown attribute $f1"
fi
else
failure "syntax error: '$f1' '$f2' '$f3'"
exit 1
fi
done
}
}
######################################################################
case "$1" in
start|restart|reload)
echo "Settings sysfs values..."
for file in ${CONFIG_FILE} ${CONFIG_DIR}/*.conf; do
[ -r "${file}" ] || continue
load_conffile "${file}"
done
;;
stop)
exit 0
;;
*)
echo "Usage: $0 {start|stop|restart|reload}"
exit 2
esac