#!/bin/bash
set -vx

if [ -e "/run/squid.pid" ];then
   echo "Squid pid: Already running ?"
   rm /run/squid.pid 
   pkill squid
   exit 1
fi

# Check si Au demarrage le cache contient des repertoires pas utilisés depuis plus de $LIMIT
FINDTIME=$(find /var/spool/squid/$HOSTNAME/* -maxdepth 0 -type d $LIMIT | wc -l)
# Combien de rep global
NOWREP=$(find /var/spool/squid/$HOSTNAME/* -maxdepth 0 -type d | wc -l)

# Not exist or too old
if [ ! -d "/var/spool/squid/$HOSTNAME" ] || [ $FINDTIME == $NOWREP ];then
# On genere/regenere
  squid -z -n $HOSTNAME
  sleep 1
else
# Remet à zero la date du rep de cache pour le prochain check
  touch "/var/spool/squid/$HOSTNAME"
fi

while test -e /var/run/squid.pid
do
  echo "cache is generated/checked"
  sleep 1
done

# Find and remove old useless caches directories (not used after "LIMIT" value). sleep is only used to wait other containers are well started.
mkdir /tmp/empty
sleep 20 && find /var/cache/squid/* -maxdepth 0 -type d $LIMIT -exec rsync -a -v --delete /tmp/empty/ {}/ \; && rm -d /var/cache/squid/* 2>/dev/null &