#!/bin/bash
KEYPATH="/root/.ssh/reverseproxy2"
REMOTEHOST="reverseproxy-2.domaine"


# La synchro se fait par une récupération depuis le backup de master.
# Si keepalived est master, on ne fait pas de synchro
STATE=`/bin/snmpget -v2c -c public 127.0.0.1 KEEPALIVED-MIB::vrrpInstanceState.1 | /bin/sed -Er 's/(.*)INTEGER: (.*)\(([0-9])\)/\2/g'`
echo "State : ${STATE}"
if [[ "$STATE" == "master" ]]; then
 echo "Master : No sync"
 exit 2
fi

# Si keepalived est down, on ne fait pas de synchro (maintenance)
systemctl is-active --quiet keepalived
if [ $? -ne 0 ]; then
  echo "Keepalived down : no sync"
  exit 0
fi
echo "Run sync nginx"
RSYNCNGINX=$(/bin/rsync -e "ssh -i $KEYPATH" -aiuh root@$REMOTEHOST:/etc/nginx/ /etc/nginx)
if [ $? -eq 0 ]; then

echo "Run sync Let's Encrypt'"
 RSYNCLE=$(/bin/rsync -e "ssh -i $KEYPATH" -aiuh root@$REMOTEHOST:/etc/letsencrypt/ /etc/letsencrypt)
else 
 exit 3
fi

if [ $? -eq 0 ]; then 
 echo "Run sync www"
 RSYNCWWW=$(/bin/rsync -e "ssh -i $KEYPATH" -aiuh root@$REMOTEHOST:/var/www/ /var/www)
else
 exit 2
fi
 
if [ $? -eq 0 ]; then 
  if [ -n "${RSYNCNGINX}" ] || [ -n "${RSYNCWWW}" ]; then
     /usr/sbin/nginx -s reload
     echo "reloaded."
  fi
else
  exit 1
fi