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@mattotodd
Last active December 16, 2015 22:48
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#!/bin/sh
#
# /etc/init.d/elasticsearch -- startup script for Elasticsearch
#
# Written by Miquel van Smoorenburg <[email protected]>.
# Modified for Debian GNU/Linux by Ian Murdock <[email protected]>.
# Modified for Tomcat by Stefan Gybas <[email protected]>.
# Modified for Tomcat6 by Thierry Carrez <[email protected]>.
# Additional improvements by Jason Brittain <[email protected]>.
# Modified by Nicolas Huray for ElasticSearch <[email protected]>.
#
### BEGIN INIT INFO
# Provides: elasticsearch
# Required-Start: $all
# Required-Stop: $all
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Starts elasticsearch
# Description: Starts elasticsearch using start-stop-daemon
### END INIT INFO
set -e
PATH=/bin:/usr/bin:/sbin:/usr/sbin
NAME=elasticsearch
DESC="ElasticSearch Server"
DEFAULT=/etc/default/$NAME
if [ `id -u` -ne 0 ]; then
echo "You need root privileges to run this script"
exit 1
fi
. /lib/lsb/init-functions
if [ -r /etc/default/rcS ]; then
. /etc/default/rcS
fi
# The following variables can be overwritten in $DEFAULT
# Run ElasticSearch as this user ID and group ID
ES_USER=elasticsearch
ES_GROUP=elasticsearch
# The first existing directory is used for JAVA_HOME (if JAVA_HOME is not defined in $DEFAULT)
JDK_DIRS="/usr/lib/jvm/java-7-oracle /usr/lib/jvm/java-7-openjdk /usr/lib/jvm/java-7-openjdk-amd64/ /usr/lib/jvm/java-7-openjdk-i386/ /usr/lib/jvm/java-6-sun /usr/lib/jvm/java-6-openjdk /usr/lib/jvm/java-6-openjdk-amd64 /usr/lib/jvm/java-6-openjdk-i386"
# Look for the right JVM to use
for jdir in $JDK_DIRS; do
if [ -r "$jdir/bin/java" -a -z "${JAVA_HOME}" ]; then
JAVA_HOME="$jdir"
fi
done
export JAVA_HOME
# Directory where the ElasticSearch binary distribution resides
ES_HOME=/usr/share/$NAME
# Heap Size (defaults to 256m min, 1g max)
#ES_HEAP_SIZE=2g
# Heap new generation
#ES_HEAP_NEWSIZE=
# max direct memory
#ES_DIRECT_SIZE=
# Additional Java OPTS
#ES_JAVA_OPTS=
# Maximum number of open files
MAX_OPEN_FILES=65535
# Maximum amount of locked memory
#MAX_LOCKED_MEMORY=
# ElasticSearch log directory
LOG_DIR=/var/log/$NAME
# ElasticSearch data directory
DATA_DIR=/var/lib/$NAME
# ElasticSearch work directory
WORK_DIR=/tmp/$NAME
# ElasticSearch configuration directory
CONF_DIR=/etc/$NAME
# ElasticSearch configuration file (elasticsearch.yml)
CONF_FILE=$CONF_DIR/elasticsearch.yml
# End of variables that can be overwritten in $DEFAULT
# overwrite settings from default file
if [ -f "$DEFAULT" ]; then
. "$DEFAULT"
fi
# Define other required variables
PID_FILE=/var/run/$NAME.pid
DAEMON=$ES_HOME/bin/elasticsearch
DAEMON_OPTS="-p $PID_FILE -Des.default.config=$CONF_FILE -Des.default.path.home=$ES_HOME -Des.default.path.logs=$LOG_DIR -Des.default.path.data=$DATA_DIR -Des.default.path.work=$WORK_DIR -Des.default.path.conf=$CONF_DIR"
export ES_HEAP_SIZE
export ES_HEAP_NEWSIZE
export ES_DIRECT_SIZE
export ES_JAVA_OPTS
# Check DAEMON exists
test -x $DAEMON || exit 0
case "$1" in
start)
if [ -z "$JAVA_HOME" ]; then
log_failure_msg "no JDK found - please set JAVA_HOME"
exit 1
fi
if [ -n "$MAX_LOCKED_MEMORY" -a -z "$ES_HEAP_SIZE" ]; then
log_failure_msg "MAX_LOCKED_MEMORY is set - ES_HEAP_SIZE must also be set"
exit 1
fi
log_daemon_msg "Starting $DESC"
if start-stop-daemon --test --start --pidfile "$PID_FILE" \
--user "$ES_USER" --exec "$JAVA_HOME/bin/java" \
>/dev/null; then
# Prepare environment
mkdir -p "$LOG_DIR" "$DATA_DIR" "$WORK_DIR" && chown "$ES_USER":"$ES_GROUP" "$LOG_DIR" "$DATA_DIR" "$WORK_DIR"
touch "$PID_FILE" && chown "$ES_USER":"$ES_GROUP" "$PID_FILE"
if [ -n "$MAX_OPEN_FILES" ]; then
ulimit -n $MAX_OPEN_FILES
fi
if [ -n "$MAX_LOCKED_MEMORY" ]; then
ulimit -l $MAX_LOCKED_MEMORY
fi
# Start Daemon
start-stop-daemon --start -b --user "$ES_USER" -c "$ES_USER" --pidfile "$PID_FILE" --exec /bin/bash -- -c "$DAEMON $DAEMON_OPTS"
sleep 1
if start-stop-daemon --test --start --pidfile "$PID_FILE" \
--user "$ES_USER" --exec "$JAVA_HOME/bin/java" \
>/dev/null; then
if [ -f "$PID_FILE" ]; then
rm -f "$PID_FILE"
fi
log_end_msg 1
else
log_end_msg 0
fi
else
log_progress_msg "(already running)"
log_end_msg 0
fi
;;
stop)
log_daemon_msg "Stopping $DESC"
set +e
if [ -f "$PID_FILE" ]; then
start-stop-daemon --stop --pidfile "$PID_FILE" \
--user "$ES_USER" \
--retry=TERM/20/KILL/5 >/dev/null
if [ $? -eq 1 ]; then
log_progress_msg "$DESC is not running but pid file exists, cleaning up"
elif [ $? -eq 3 ]; then
PID="`cat $PID_FILE`"
log_failure_msg "Failed to stop $DESC (pid $PID)"
exit 1
fi
rm -f "$PID_FILE"
else
log_progress_msg "(not running)"
fi
log_end_msg 0
set -e
;;
status)
set +e
start-stop-daemon --test --start --pidfile "$PID_FILE" \
--user "$ES_USER" --exec "$JAVA_HOME/bin/java" \
>/dev/null 2>&1
if [ "$?" = "0" ]; then
if [ -f "$PID_FILE" ]; then
log_success_msg "$DESC is not running, but pid file exists."
exit 1
else
log_success_msg "$DESC is not running."
exit 3
fi
else
log_success_msg "$DESC is running with pid `cat $PID_FILE`"
fi
set -e
;;
restart|force-reload)
if [ -f "$PID_FILE" ]; then
$0 stop
sleep 1
fi
$0 start
;;
*)
log_success_msg "Usage: $0 {start|stop|restart|force-reload|status}"
exit 1
;;
esac
exit 0
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