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|
#! /bin/bash
### BEGIN INIT INFO
# Provides: memcached
# Required-Start: $syslog
# Required-Stop: $syslog
# Should-Start: $local_fs
# Should-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: memcached - Memory caching daemon
# Description: memcached - Memory caching daemon
### END INIT INFO
# Usage:
# cp /etc/memcached.conf /etc/memcached_server1.conf
# cp /etc/memcached.conf /etc/memcached_server2.conf
# start all instances:
# /etc/init.d/memcached start
# start one instance:
# /etc/init.d/memcached start server1
# stop all instances:
# /etc/init.d/memcached stop
# stop one instance:
# /etc/init.d/memcached stop server1
# There is no "status" command.
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/bin/memcached
DAEMONNAME=memcached
DAEMONBOOTSTRAP=/usr/share/memcached/scripts/start-memcached
DESC=memcached
test -x $DAEMON || exit 0
test -x $DAEMONBOOTSTRAP || exit 0
set -e
FILES=(/etc/memcached_*.conf)
# check for alternative config schema
if [ -r "${FILES[0]}" ]; then
CONFIGS=()
for FILE in "${FILES[@]}";
do
# remove prefix
NAME=${FILE#/etc/}
# remove suffix
NAME=${NAME%.conf}
# check optional second param
if [ $# -ne 2 ];
then
# add to config array
CONFIGS+=($NAME)
elif [ "memcached_$2" == "$NAME" ];
then
# use only one memcached
CONFIGS=($NAME)
break;
fi;
done;
if [ ${#CONFIGS[@]} == 0 ];
then
echo "Config not exist for: $2" >&2
exit 1
fi;
else
CONFIGS=(memcached)
fi;
CONFIG_NUM=${#CONFIGS[@]}
for ((i=0; i < $CONFIG_NUM; i++)); do
NAME=${CONFIGS[${i}]}
PIDFILE="/var/run/${NAME}.pid"
case "$1" in
start)
echo -n "Starting $DESC: "
start-stop-daemon --start --quiet --exec "$DAEMONBOOTSTRAP" -- /etc/${NAME}.conf $PIDFILE
echo "$NAME."
;;
stop)
echo -n "Stopping $DESC: "
start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE --exec $DAEMON
echo "$NAME."
rm -f $PIDFILE
;;
status)
[ $# -lt 2 ] && NAME=$DAEMONNAME
PIDFILE="/var/run/$NAME.pid"
set +e
start-stop-daemon --status --pidfile $PIDFILE
case $? in
0) echo "$DESC: $NAME (pid $(cat $PIDFILE)) is running" && exit 0;;
1) echo "$DESC: $NAME is not running thro' the pid file exists" && rm -f $PIDFILE && exit 1;;
3) echo "$DESC: $NAME is not running" && exit 3;;
4) echo "$DESC: $NAME status is unclear, sorry" && exit 4;;
esac
;;
restart|force-reload)
#
# If the "reload" option is implemented, move the "force-reload"
# option to the "reload" entry above. If not, "force-reload" is
# just the same as "restart".
#
echo -n "Restarting $DESC: "
start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
rm -f $PIDFILE
sleep 1
start-stop-daemon --start --quiet --exec "$DAEMONBOOTSTRAP" -- /etc/${NAME}.conf $PIDFILE
echo "$NAME."
;;
*)
N=/etc/init.d/$NAME
# echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
echo "Usage: $N {start|stop|status|restart|force-reload}" >&2
exit 1
;;
esac
done;
exit 0
|