monitor_guiagent

monitor_guiagent

monitor_guiagent.sh

#!/usr/bin/env bash
#filename : monitor_guiagent.sh
#Usage: /usr/bin/nohup /var/hgans/gui/ans_php_env/monitor_guiagent.sh >/dev/null 2>/dev/null &
 
#
# Append the following command to the rc.local for running monitor_guiagent.sh :
# /bin/ps -waux | /usr/bin/grep "monitor_guiagent" | /usr/bin/grep -v grep | /usr/bin/awk '{print $2}' | /usr/bin/xargs /bin/kill -9
# /bin/ps -waux | /usr/bin/grep "/var/hgans/gui/agent" | /usr/bin/grep -v grep | /usr/bin/awk '{print $2}' | /usr/bin/xargs /bin/kill -9
# /usr/bin/nohup /var/hgans/gui/ans_php_env/monitor_guiagent.sh >/dev/null 2>/dev/null &
#
 
PS="/bin/ps"
KILL="/bin/kill"
GREP="/usr/bin/grep"
AWK="/usr/bin/awk"
WC="/usr/bin/wc"
TAIL="/usr/bin/tail"
HEAD="/usr/bin/head"
XARGS="/usr/bin/xargs"
ANSCLI="/hgans/anscli"
DATE_EXEC="/bin/date"
 
ANSLOG_FILE="/var/anslog/ans.log"
USER_NAME="%%:ansroot:."
SHOW_SYS_SESSION="show system session -summary"
KILL_ALL_SYS_SESSION="kill system session -all"
KILL_SID_SYS_SESSION="kill system session "
CLEAR_SYS_SESSION_FLAG_FILE="/flash/anscfg/.clear_sys_session"
MAX_SYS_SESSION=12
 
GUI_HOME="/var/hgans/gui"
HTTPD_DIR="ans_php_env"
RC_CONF_NAME="rc.conf"
RC_LOCAL_NAME="rc.local"
AGENT_DIR="agent"
ANSRAPI_EXEC_NAME="ansrapi_agent"
HGCLOUD_EXEC_NAME="hgcloud_proxy"
MANS_EXEC_NAME="mans_log"
NOTIFYLOG_EXEC_NAME="NotifyLog"
KILL_SIGNAL_NUMBER=9
SLEEP_SECOND_NUMBER=3
 
while true
do
    arr_exec=($ANSRAPI_EXEC_NAME $HGCLOUD_EXEC_NAME $MANS_EXEC_NAME $NOTIFYLOG_EXEC_NAME)
    arr_column=${#arr_exec[@]}
    for (( i=0; i < ${arr_column}; i++ ))
    do
        exec_num=`$PS -waux | $GREP ${arr_exec[$i]} | $GREP -v grep | $WC -l`
        if [ $exec_num -eq 0 ]; then
            echo monitor_guiagent: `$DATE_EXEC +"%Y-%m-%d %H:%M:%S"`": Restart webgui agent process ${arr_exec[$i]} ..." >> $ANSLOG_FILE
            $PS -waux | $GREP ${arr_exec[$i]} | $GREP -v grep | $AWK '{print $2}' | $XARGS $KILL $KILL_SIGNAL_NUMBER
            ${GUI_HOME}/${AGENT_DIR}/${arr_exec[$i]} >/dev/null 2>/dev/null &
        fi
    done
 
    current_system_session_line=`$ANSCLI -U $USER_NAME -s "$SHOW_SYS_SESSION" | $WC -l`
    current_system_session_num=$((current_system_session_line-3))
    if [ -f $CLEAR_SYS_SESSION_FLAG_FILE -a $current_system_session_num -gt $MAX_SYS_SESSION ]; then
        arr_sid=(`$ANSCLI -U $USER_NAME -s "$SHOW_SYS_SESSION" | $TAIL -n $current_system_session_num | $AWK '{print $2}'`)
        arr_column=${#arr_sid[@]}
        for (( i=0; i < ${arr_column}; i++ ))
        do
            if [ $i -gt 3 ]; then
                echo monitor_guiagent: `$DATE_EXEC +"%Y-%m-%d %H:%M:%S"`": Kill system session ${arr_sid[$i]} ..." >> $ANSLOG_FILE
                $ANSCLI -U $USER_NAME -s "$KILL_SID_SYS_SESSION ${arr_sid[$i]}"
            else
                echo monitor_guiagent: `$DATE_EXEC +"%Y-%m-%d %H:%M:%S"`": Keep system session ${arr_sid[$i]} ..." >> $ANSLOG_FILE
            fi
        done
    fi
 
    sleep $SLEEP_SECOND_NUMBER
done

rc.local

# This script auto start ansrapi_agent for NewGUI
/bin/ps -waux | /usr/bin/grep "monitor_guiagent" | /usr/bin/grep -v grep | /usr/bin/awk '{print $2}' | /usr/bin/xargs /bin/kill -
/bin/ps -waux | /usr/bin/grep "/var/hgans/gui/agent" | /usr/bin/grep -v grep | /usr/bin/awk '{print $2}' | /usr/bin/xargs /bin/kill -
/usr/bin/nohup /var/hgans/gui/ans_php_env/monitor_guiagent.sh >/dev/null >/dev/null &

root@HGANS# cd /var/hgans/gui/ans_php_env
 
root@HGANS# chmod +x monitor_guiagent.sh
 
root@HGANS# ps -waux | grep agent | grep -v grep
 
root@HGANS# ps -waux | grep agent | grep -v grep | awk '{print $2}'| xargs kill -
 
root@HGANS# ps -waux | grep agent | grep -v grep
 
root@HGANS# /usr/bin/nohup /var/hgans/gui/ans_php_env/monitor_guiagent.sh >/dev/null >/dev/null &
 
root@HGANS# ps -waux | grep agent | grep -v grep

root@HGANS# ps -waux | grep agent | grep -v grep
 
root@HGANS# ps -waux | grep ansrapi_agent | grep -v grep | awk '{print $2}'| xargs kill -
 
root@HGANS# ps -waux | grep agent | grep -v grep

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