squid/squid.logrotate

/var/log/squid/access.log /var/log/squid/store.log /var/log/squid/cache.log {
    weekly
    rotate 5
    compress
    notifempty
    missingok
    sharedscripts
    postrotate
      # Asks squid to reopen its logs. (log_rotate 0 is set in squid.conf)
      /usr/sbin/squid -k rotate
      # Wait a little to allow Squid to catch up before the logs is compressed
      sleep 1
    endscript
}