#!/bin/bash
#Purpose: Script to take thread dump of J2EE application server logs
#Program Name: getThreadDump.sh

clear
set_environment_variables()
{
SERVER_HOME=/optional/Oracle/Middleware/user_projects/domains/base_domain/servers
JAVA_HOME=/optional/Oracle/Middleware/jdk1.6.0_26/
}

create_servers_list()
{
        ls  ${SERVER_HOME}|grep -v Admin|grep -v logtail|grep -v domain_bak > list_of_servers.txt
}

get_thread_dump_box1()
{
        DATE=`date +"%d_%m_%Y_%H%M%S"`
        NO_OF_SERVERS=$(cat /optional/Monitoring/list_of_servers.txt|wc -l)
        i=1
        while [ $i -le $NO_OF_SERVERS ]
         do
         SERVER_NAME=$(cat list_of_servers.txt|tr '\n' ':'|cut -d":" -f$i)
         echo "Getting Process ID of ${SERVER_NAME}"
         ps -ef | grep -i Dweblogic.Name=${SERVER_NAME} | grep -v 00:00:00 | awk '{print $2}' > process_id.txt
         PID=$(cat process_id.txt|tr '\n' ':'|cut -d":" -f1)
         echo "Taking ThreadDump for ${SERVER_NAME} with Process ID ${PID}"
         ${JAVA_HOME}/bin/jstack $PID > /optional/common/thread_dump/${SERVER_NAME}_${DATE}.out

         i=`expr $i + 1`
        done
}

get_thread_dump_box2()
{
        echo "Checking in 192.168.2.2 Box!!"
        ssh 192.168.2.2 /bin/bash getThreadDump.sh
}

get_thread_dump_box3()
{
        echo "Checking in 192.168.2.3 Box!!"
        ssh 192.168.2.3 /bin/bash getThreadDump.sh
}

clear_event()
{
        rm list_of_servers.txt process_id.txt
}

set_environment_variables
create_servers_list
get_thread_dump_box1
get_thread_dump_box2
get_thread_dump_box3
clear_event