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|
#!/bin/bash
#
# /etc/init.d/elasticsearch-<%= @resource[:instance] %> -- startup script for Elasticsearch
#
### BEGIN INIT INFO
# Provides: elasticsearch-<%= @resource[:instance] %>
# Required-Start: $network $remote_fs $named
# Required-Stop: $network $remote_fs $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Starts elasticsearch-<%= @resource[:instance] %>
# Description: Starts elasticsearch-<%= @resource[:instance] %> using start-stop-daemon
### END INIT INFO
PATH=/bin:/usr/bin:/sbin:/usr/sbin
NAME=elasticsearch-<%= @resource[:instance] %>
DESC="Elasticsearch Server <%= @resource[:instance] %>"
DEFAULT=/etc/default/$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-8-oracle /usr/lib/jvm/java-8-openjdk /usr/lib/jvm/java-8-openjdk-amd64/ /usr/lib/jvm/java-8-openjdk-armhf /usr/lib/jvm/java-8-openjdk-i386/ /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-armhf /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-armhf /usr/lib/jvm/java-6-openjdk-i386 /usr/lib/jvm/default-java"
# 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/$NAME
# Additional Java OPTS
#ES_JAVA_OPTS=
# Maximum number of open files
MAX_OPEN_FILES=65536
# Maximum amount of locked memory
#MAX_LOCKED_MEMORY=
# Elasticsearch log directory
#LOG_DIR=/var/log/$NAME
# Elasticsearch data directory
#DATA_DIR=/var/lib/$NAME
# Elasticsearch work directory
WORK_DIR=/tmp/$NAME
# Elasticsearch configuration directory
#CONF_DIR=/etc/$NAME
# Maximum number of VMA (Virtual Memory Areas) a process can own
MAX_MAP_COUNT=262144
# 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="-d -p $PID_FILE <%= opt_flags.join(' ') %>"
export ES_HEAP_SIZE
export ES_HEAP_NEWSIZE
export ES_DIRECT_SIZE
export ES_JAVA_OPTS
export ES_JVM_OPTIONS
export ES_CLASSPATH
export ES_INCLUDE
export ES_PATH_CONF
export ES_GC_LOG_FILE
if [ ! -x "$DAEMON" ]; then
echo "The elasticsearch startup script does not exists or it is not executable, tried: $DAEMON"
exit 1
fi
checkJava() {
if [ -x "$JAVA_HOME/bin/java" ]; then
JAVA="$JAVA_HOME/bin/java"
else
JAVA=`which java`
fi
if [ ! -x "$JAVA" ]; then
echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
exit 1
fi
}
case "$1" in
start)
checkJava
log_daemon_msg "Starting $DESC"
pid=`pidofproc -p $PID_FILE elasticsearch`
if [ -n "$pid" ] ; then
log_begin_msg "Already running."
log_end_msg 0
exit 0
fi
# Prepare environment
for DIR in "$DATA_DIR" "$LOG_DIR" "$WORK_DIR"; do
[ ! -z "$DIR" ] && mkdir -p "$DIR" && chown "$ES_USER":"$ES_GROUP" "$DIR"
done
if [ -n "$PID_FILE" ] && [ ! -e "$PID_FILE" ]; then
touch "$PID_FILE" && chown "$ES_USER":"$ES_GROUP" "$PID_FILE"
fi
if [ -n "$MAX_OPEN_FILES" ]; then
ulimit -n $MAX_OPEN_FILES
fi
if [ -n "$MAX_LOCKED_MEMORY" ]; then
ulimit -l $MAX_LOCKED_MEMORY
fi
if [ -n "$MAX_MAP_COUNT" -a -f /proc/sys/vm/max_map_count ]; then
sysctl -q -w vm.max_map_count=$MAX_MAP_COUNT
fi
# Start Daemon
start-stop-daemon -d $ES_HOME --start --user "$ES_USER" -c "$ES_USER" --pidfile "$PID_FILE" --exec $DAEMON -- $DAEMON_OPTS
return=$?
if [ $return -eq 0 ]; then
i=0
timeout=10
# Wait for the process to be properly started before exiting
until { kill -0 `cat "$PID_FILE"`; } >/dev/null 2>&1
do
sleep 1
i=$(($i + 1))
if [ $i -gt $timeout ]; then
log_end_msg 1
exit 1
fi
done
fi
log_end_msg $return
exit $return
;;
stop)
log_daemon_msg "Stopping $DESC"
if [ -f "$PID_FILE" ]; then
start-stop-daemon --stop --pidfile "$PID_FILE" \
--user "$ES_USER" \
--quiet \
--retry forever/TERM/20 > /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
;;
status)
status_of_proc -p $PID_FILE elasticsearch elasticsearch && exit 0 || exit $?
;;
restart|force-reload)
if [ -f "$PID_FILE" ]; then
$0 stop
fi
$0 start
;;
*)
log_success_msg "Usage: $0 {start|stop|restart|force-reload|status}"
exit 1
;;
esac
exit 0
|
