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#!/bin/bash
export JAVA="/usr/lib64/java/bin/java"
export CASSANDRA_HOME="/opt/apache-cassandra"
export CASSANDRA_CONF="$CASSANDRA_HOME/conf"
export CASSANDRA_INCLUDE="$CASSANDRA_HOME/tools/bin/cassandra.in.sh"
PRG="cassandra"
DIR="/opt/apache-cassandra/bin/"
PID_DIRECTORY="/var/run"
PID_FILE="$PID_DIRECTORY/$PRG.pid"
function isRunning() {
[[ ! -f "$PID_FILE" ]] && return 1
PID="$(<"$PID_FILE")"
[[ -z "$PID" ]] && return 1
[[ ! $(ps -p $PID | grep $PID) == "" ]] && RV=0 || RV=1
return $RV
}
function status() {
isRunning
STATUS=$?
if [[ $STATUS -eq 0 ]]; then
echo -e "Service $PRG is running"
else
echo -e "Service $PRG is not running."
fi
}
function start() {
isRunning
STATUS=$?
if [[ $STATUS -eq 0 ]]; then
echo -e "Service $PRG is already running."
else
echo -e "Start service $PRG"
$DIR$PRG -p $PID_FILE > /dev/null 2>&1 &
fi
}
function stop() {
isRunning
STATUS=$?
if [[ $STATUS -eq 0 ]]; then
echo -e "Stop service $PRG"
PID="$(<"$PID_FILE")"
kill $PID
rm "$PID_FILE"
else
echo -e "Service $PRG not running."
fi
}
case $1 in
start)
start
;;
stop)
stop
;;
restart)
start
sleep 1
stop
;;
status)
status
;;
*)
echo "Usage: $0 {start|stop|restart|status}"
exit 1
;;
esac
exit 0
|
