varnish logrotate file

/var/log/varnish/*.log {
    missingok
    notifempty
    sharedscripts
    delaycompress
    size 512M
    postrotate
        /bin/kill -HUP `cat /var/run/varnishlog.pid 2>/dev/null` 2> /dev/null || true
        /bin/kill -HUP `cat /var/run/varnishncsa.pid 2>/dev/null` 2> /dev/null || true
    endscript
}