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#!/bin/bash
basedir=$(dirname "$0")
HA_TICK=2
monitor() {
local path=$1
local name=$2
local uuid=$3
local host=$4
local count=0
path=$path/lock
while :
do
echo "name=$name uuid=$uuid host=$host count=$count" > $path
count=$(($count+1))
sleep $HA_TICK
done&
}
create_lock() {
local path=$1/lock
local rc=0
[ -f $path ] || touch $path
flock -x -w $HA_TICK $path $basedir/vm-monitor $*
rc=$?
if [ $rc -eq 1 ]; then
echo `cat $path`
exit 1
else
exit $rc
fi
}
if [ $0 = "$basedir/set-lock" ]; then
create_lock $*
elif [ $0 = "$basedir/vm-monitor" ]; then
monitor $*
fi
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