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#!/bin/bash
ELK_BASE=${POLICY_HOME}/elk/
ELK_RUNNING="^$JAVA_HOME/bin/java .* -cp .* org.elasticsearch.bootstrap.Elasticsearch -d$"
COMPONENT=elk
JMX_JAVA_OPTS="${JMX_JAVA_OPTS} -Dcom.sun.management.jmxremote"
JMX_JAVA_OPTS="${JMX_JAVA_OPTS} -Dcom.sun.management.jmxremote.port=${{ELK_JMX_PORT}}"
JMX_JAVA_OPTS="${JMX_JAVA_OPTS} -Dcom.sun.management.jmxremote.ssl=false"
JMX_JAVA_OPTS="${JMX_JAVA_OPTS} -Dcom.sun.management.jmxremote.authenticate=false"
RETVAL=0
function update_monitor() {
COMPONENT=$1
STATUS=$2
if [[ -f ${POLICY_HOME}/etc/monitor/monitor.cfg ]]; then
/bin/sed -i.bak \
-e "s/^${COMPONENT}=.*/${COMPONENT}=${STATUS}/g" \
${POLICY_HOME}/etc/monitor/monitor.cfg
fi
}
function stop() {
pkill -u ${POLICY_USER} -f "${ELK_RUNNING}" -TERM
RETVAL=$?
if [[ ${RETVAL} != 0 ]]; then
sleep 2
pkill -u ${POLICY_USER} -f "${ELK_RUNNING}" -KILL
RETVAL=$?
fi
update_monitor ${COMPONENT} off
sleep 1
}
function start() {
export ES_JAVA_OPTS="${JAVA_OPTS} ${JMX_JAVA_OPTS}"
$POLICY_HOME/elk/bin/elasticsearch -d
RETVAL=$?
if [[ ${RETVAL} != 0 ]]; then
update_monitor ${COMPONENT} off
else
update_monitor ${COMPONENT} on
fi
}
# main
case "$1" in
status)
pid=$(pgrep -f -u ${POLICY_USER} "${ELK_RUNNING}" 2> /dev/null)
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
echo "running with pid ${pid}"
else
echo "stopped"
fi
;;
restart)
stop
sleep 2
start
;;
start)
start
;;
stop)
stop
;;
*)
echo "error: invalid option $@"
RETVAL=1
;;
esac
exit ${RETVAL}
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