squid/squid.logrotate

/var/log/squid/*.log {
    weekly
    rotate 5
    compress
    notifempty
    missingok
    sharedscripts
    postrotate
      # Asks squid to reopen its logs. (log_rotate 0 is set in squid.conf)
      # errors redirected to make it silent if squid is not running
      /usr/sbin/squid -k rotate 2>/dev/null
      # Wait a little to allow Squid to catch up before the logs is compressed
      sleep 1
    endscript
}