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CentOS memcached multiple instances init script
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#! /bin/sh | |
# | |
# chkconfig: - 55 45 | |
# description: The memcached daemon is a network memory cache service. | |
# processname: memcached | |
# pidfile: /var/run/memcached/memcached_*.pid | |
# Standard LSB functions | |
#. /lib/lsb/init-functions | |
# Source function library. | |
. /etc/init.d/functions | |
#ports that memcached will listen | |
PORTS=(11211 11212) | |
USER=memcached | |
MAXCONN=1024 | |
CACHESIZE=64 | |
OPTIONS="" | |
# Check that networking is up. | |
. /etc/sysconfig/network | |
if [ "$NETWORKING" = "no" ] | |
then | |
exit 0 | |
fi | |
RETVAL=0 | |
prog="memcached" | |
pidfile_prefix="/var/run/memcached/memcached_" | |
pidfile_suffix=".pid" | |
lockfile="/var/lock/subsys/memcached" | |
INSTANCE_NUM=${#PORTS[@]} | |
start () { | |
echo -n $"Starting $prog: " | |
# Ensure that $pidfile directory has proper permissions and exists | |
piddir=`dirname $pidfile_prefix` | |
if [ ! -d $piddir ]; then | |
mkdir $piddir | |
fi | |
if [ "`stat -c %U $piddir`" != "$USER" ]; then | |
chown $USER $piddir | |
fi | |
for ((i=0; i < $INSTANCE_NUM; i++)); do | |
pidfile=$pidfile_prefix${PORTS[${i}]}$pidfile_suffix | |
daemon --pidfile ${pidfile} memcached -d -p ${PORTS[${i}]} -u $USER -m $CACHESIZE -c $MAXCONN -P ${pidfile} $OPTIONS | |
RETVAL=$? | |
if [ $RETVAL -ne 0 ] ; then | |
echo "Start instance with port ${PORTS[${i}]} failed!" | |
else | |
touch ${lockfile} | |
fi; | |
done; | |
echo | |
} | |
stop () { | |
echo -n $"Stopping $prog: " | |
for ((i=0; i < $INSTANCE_NUM; i++)); do | |
pidfile=$pidfile_prefix${PORTS[${i}]}$pidfile_suffix | |
killproc -p ${pidfile} /usr/bin/memcached | |
RETVAL=$? | |
if [ $RETVAL -ne 0 ] ; then | |
echo "Stop instance with port ${PORTS[${i}]} failed!" | |
else | |
rm -f ${pidfile} | |
fi; | |
done; | |
echo | |
rm -f ${lockfile} | |
} | |
restart () { | |
stop | |
start | |
} | |
# See how we were called. | |
case "$1" in | |
start) | |
start | |
;; | |
stop) | |
stop | |
;; | |
restart|reload|force-reload) | |
restart | |
;; | |
condrestart|try-restart) | |
[ -f ${lockfile} ] && restart || : | |
;; | |
*) | |
echo $"Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart|try-restart}" | |
RETVAL=2 | |
;; | |
esac | |
exit $RETVAL |
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