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zookeeper.init.d
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zookeeper.init.d
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#! /bin/sh
### BEGIN INIT INFO
# Provides: zookeeper
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: centralized coordination service
# Description: ZooKeeper is a centralized service for maintaining
# configuration information, naming, providing distributed
# synchronization, and providing group services.
### END INIT INFO
# Authors: Josh Skidmore <[email protected]>
# Brandon Brown <[email protected]>
# Brandon Froehlich <[email protected]>
# Taylor Brockman <[email protected]>
# Revision History: 2015-02-12 - Initial commit
# 2015-03-06 - Porting to nop-bigress
# 2015-03-20 - Contribution to tomdz/kafka-deb-packaging
# 2015-03-30 - Changed PID directory after running in AWS prod
# Variables
PATH=$PATH
DESC="Apache Zookeeper Server"
NAME=zookeeper
DAEMON=/usr/lib/kafka/bin/zookeeper-server-start.sh
PIDFILE=/var/run/zookeeper-server.pid
USER=zookeeper
CONFIG=/etc/kafka/zookeeper.properties
LOG=/var/log/zookeeper-server.log
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
#
# Function that starts the daemon/service
#
do_start()
{
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
start-stop-daemon --chuid $USER --background --start --quiet --make-pidfile --pidfile $PIDFILE --no-close --startas $DAEMON -- $CONFIG >> $LOG 2>&1 || return 2
}
#
# Function that stops the daemon/service
#
do_stop()
{
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
RETVAL="$?"
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
case "$1" in
start)
log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ;;
esac
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0) log_end_msg 0 ;;
1|2) log_end_msg 1 ;;
esac
;;
# status)
# status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
# ;;
#reload|force-reload)
#
# If do_reload() is not implemented then leave this commented out
# and leave 'force-reload' as an alias for 'restart'.
#
#log_daemon_msg "Reloading $DESC" "$NAME"
#do_reload
#log_end_msg $?
#;;
restart|force-reload)
#
# If the "reload" option is implemented then remove the
# 'force-reload' alias
#
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
*) log_end_msg 1 ;; # Failed to start
esac
;;
*)
# Failed to stop
log_end_msg 1
;;
esac
;;
*)
#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
exit 3
;;
esac
: