#!/usr/bin/env bash
# Description: keepalived virtual addreses auto-discovery
# Author: Lesovsky A.V. <lesovsky@gmail.com>
echo "---"$1"---"$2 >> /tmp/discovery.log
KEEPALIVED_CONF=$1
[[ $1 ]] || { echo "ZBX_NOTSUPPORTED, need at least one parameter in which keepalived.conf must be specified"; exit 1; }
[[ -f $KEEPALIVED_CONF ]] || { echo "ZBX_NOTSUPPORTED, $KEEPALIVED_CONF doesn't exist" ; exit 1; }
ADDRESSES=$(sed -n -e '/virtual_ipaddress {/,/}/p' $KEEPALIVED_CONF |grep -v ^# |awk '{print $1}' |grep -oE '([0-9]{1,3}[\.]){3}[0-9]{1,3}*')
echo -n '{"data":['
for addr in $ADDRESSES; do echo -n "{\"{#KADDR}\": \"$addr\"},"; done |sed -e 's:\},$:\}:'
echo ']}'