Shell programming realizes haproxy load balanced cluster's startup and shutdown management

#!/bin/bash

#-------------------------Haproxy Server Management Shell script------------------------------------------------

#Authors are from JC

#time: 2012-10-10

#QQ: 408822635

#from the region Beijng.china.

#-------------------------Haproxy Server Management Shell script------------------------------------------------

Case "$" in

Start

Base= "/usr/local/haproxy/sbin/haproxy"

haproxy= ' Netstat-lntp|grep haproxy|wc-l '

If [$haproxy-gt 0];then

echo "is being instrumented, please wait ..."

Sleep 3

echo "-----------------------------haproxy load Balancing cluster---------------------------------------"

echo "| |"

echo "| is already in run state, no need to start | "

echo "| |"

echo "-----------------------------haproxy load Balancing cluster---------------------------------------"

Else

For Haproxy In/usr/local/haproxy/etc/haproxy.cfg

Todo

$BASE-F $haproxy >/dev/null 2>&1

Done

echo "Haproxy load balancing is starting ..."

Sleep 3

echo "-------------------------------haproxy load-balancing cluster has started to complete-------------------------------------------"

Netstat-lntp|grep Haproxy

echo "-------------------------------haproxy load Balancing cluster list---------------------------------------------------"

Fi

;;

Stop

Base= "/usr/local/haproxy/sbin/haproxy"

haproxy= ' Netstat-lntp|grep haproxy|wc-l '

if [$haproxy = = $?]; Then

echo "is being instrumented, please wait ..."

Sleep 2

echo "Haproxy is closed, no need to close again"

echo "Haproxy is closed, no need to close again"

Else

echo "Haproxy load Balancing Service is shutting down, please later ..."

Sleep 2

For Pidfile In/usr/local/haproxy/haproxy.pid

Todo

Kill $ (Cat $PIDFILE) >/dev/null 2>&1

Done

echo "The Haproxy load Balancing Cluster service has been shut down .... done.". Do it.

Sleep 1

Fi

;;

Status

haproxy= ' Netstat-lntp|grep haproxy|wc-l '

If [$haproxy-gt 0];then

echo "Haproxy is running ........... OK "

Else

echo "Haproxy is already turned off ...... ... stop."-Stops.

Fi

;;

Restart)

Base=/usr/local/haproxy/sbin/haproxy

Conffile=/usr/local/haproxy/etc/haproxy.cfg

echo "Haproxy is rebooting, please wait a moment ... ..... ..... ..... ..... ..... ..... ....... ...

For Pidfile In/usr/local/haproxy/haproxy.pid

Todo

$BASE-F $CONFFILE-sf $ (cat $PIDFILE) >/dev/null

Done

echo "The Haproxy load Balancing Service has been restarted successfully, please view ... ...". ..... ..... ..... ...

Sleep 2

echo "-------------------------------------------------------- Number of processes after haproxy reboot------------------------------------------------------------------------------------------------------ "

Ps-ef|grep Haproxy

echo "-------------------------------------------------------- Haproxy Process List-------------------------------------------------------------------------------------------------"

;;

*)

echo "Usage: $haproxy {Start|stop|status|restart}"

Retval=3

;;

Esac

Exit $RETVAL

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