apache balancer manager control

apache_balancer.bash

#!/bin/bash
#------------------------------------------------------------------------------
#
# Author(s): K.Kadoyama
#
# Usage:
#   apache_balancer.bash {worker-url} {ENABLE|DISABLE} [https]
#   apache_balancer.bash status [https]
#
# Current Version: 1.1.0
#
# Revision History:
#
#   Version 1.0.0 by K.Kadoyama (2013/05/03)
#     - Initial new.
#
#   Version 1.1.0 by K.Kadoyama (2013/05/06)
#     - Change nonce auto get.
#
# Example:
#   # please, define URL_BLM
#   apache_balancer.bash 192.168.0.1 DISABLE
#   apache_balancer.bash 172.16.1.2 ENABLE https
#
#------------------------------------------------------------------------------
#==============================================================================
# Define
#==============================================================================
CMD_CURL="/usr/bin/curl"
WORKER_TARGET="$1"
FLG_ACT="$2"
BLM_URL="/balancer-manager"
URL_MAIN="${BLM_URL}?b=cluster&w=ajp://${WORKER_TARGET}:8009&dw=${FLG_ACT}"
BLM_LIST="192.168.0.1
192.168.0.2
192.168.0.3"


#==============================================================================
# Main
#==============================================================================
if [  "$1" != "status" -a "$2" != "ENABLE" -a "$2" != "DISABLE" ]; then
    echo "Usage: `basename $0` {worker-url} {ENABLE|DISABLE|status} [https]"
    echo "       `basename $0` status [https]"
    exit 1
fi

# get nonce
for i in `echo "${BLM_LIST}"`; do
    nonce=`${CMD_CURL} -s  ${i}${BLM_URL} | grep nonce | awk -F'nonce=' '{print $2}' | awk -F'">' '{print $1}' | uniq`
    URL_BLM+=("http://${i}${URL_MAIN}&nonce=${nonce}")
done

# show status
if [ "$1" == "status" ]; then
    echo "### apache balancer-manager status check ###"
    for i in ${URL_BLM[@]}; do
        j="${i/balancer-manager*/balancer-manager}"
        ${CMD_CURL} -s "${j}" | grep "Dis"
        [ "$2" == "https" ] && ${CMD_CURL} -sk "${j/http/https}" | grep "Dis"
    done
    echo "### end ###"
    exit 0
fi

# worker to enable or disable
for i in ${URL_BLM[@]}; do
    ${CMD_CURL} "${i}"
    if [ "$3" == "https" ]; then
        sleep 1
        ${CMD_CURL} -k "${i/http/https}"
    fi
    sleep 1
done

exit 0