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#!/bin/sh
#
### BEGIN INIT INFO
# Provides: redis-server
# Required-Start: $network
# Required-Stop: $network
# Default-Start: S 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Redis, a key-value store
# Description: Redis is an open source, advanced key-value store.
# http://redis.io
### END INIT INFO
test -f /usr/bin/redis-server || exit 0
ARGS="/etc/redis/redis.conf"
case "$1" in
start)
echo "Starting redis-server..."
start-stop-daemon --start --quiet --exec /usr/bin/redis-server -- $ARGS
;;
stop)
echo "Stopping redis-server..."
start-stop-daemon --stop --quiet --exec /usr/bin/redis-server
;;
restart)
echo "Stopping redis-server..."
start-stop-daemon --stop --quiet --exec /usr/bin/redis-server
# Since busybox implementation ignores --retry arguments repeatedly check
# if the process is still running and try another signal after a timeout,
# efectively simulating a stop with --retry=TERM/5/KILL/5 schedule.
waitAfterTerm=5000000 # us / 5000 ms / 5 s
waitAfterKill=5000000 # us / 5000 ms / 5 s
waitStep=100000 # us / 100 ms / 0.1 s
waited=0
start-stop-daemon --stop --test --quiet --exec /usr/bin/redis-server
processOff=$?
while [ $processOff -eq 0 ] && [ $waited -le $waitAfterTerm ] ; do
usleep ${waitStep}
((waited+=${waitStep}))
start-stop-daemon --stop --test --quiet --exec /usr/bin/redis-server
processOff=$?
done
if [ $processOff -eq 0 ] ; then
start-stop-daemon --stop --signal KILL --exec /usr/bin/redis-server
start-stop-daemon --stop --test --quiet --exec /usr/bin/redis-server
processOff=$?
fi
waited=0
while [ $processOff -eq 0 ] && [ $waited -le $waitAfterKill ] ; do
usleep ${waitStep}
((waited+=${waitStep}))
start-stop-daemon --stop --test --quiet --exec /usr/bin/redis-server
processOff=$?
done
# Here $processOff will indicate if waiting and retrying according to
# the schedule ended in a successfull stop or not.
echo "Starting redis-server..."
start-stop-daemon --start --quiet --exec /usr/bin/redis-server -- $ARGS
;;
*)
echo "Usage: /etc/init.d/redis-server {start|stop|restart}"
exit 1
;;
esac
exit 0
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