#! /bin/bash

# Author:   Ricardas Stoma, gm
# Company:  Kolmisoft
# Year:     2016
# About:    script restart service if it is stopped for some reasons

. /usr/src/m2/framework/bash_functions.sh

if [ ! -e /usr/share/elasticsearch ]; then
    exit 0;
fi

_centos_version
if (( centos_version != 6 )); then

    # centos 7

if ! systemctl status elasticsearch.service | grep -q running; then
    systemctl start elasticsearch.service
    else
        # ES status is running but ES is dead 
        if  ! /bin/netstat -atnpl | grep -q 9200; then
            systemctl stop elasticsearch.service
            sleep 2
            killall -9 java
            sleep 2
            systemctl start elasticsearch.service
        fi
    fi

else

    # centos 6

    if ! /etc/init.d/elasticsearch status | grep -q running; then
        /etc/init.d/elasticsearch start
    else
        # ES status is running but ES is dead 
        if  ! /bin/netstat -atnpl | grep -q 9200; then
            /etc/init.d/elasticsearch stop
            sleep 2
            killall -9 java
            sleep 2
            /etc/init.d/elasticsearch start
        fi
    fi

fi