File varnish.logrotate of Package varnish.openSUSE_Backports_SLE-15-SP4_Update

/var/log/varnish/*.log {
    su varnish varnish
    missingok
    notifempty
    sharedscripts
    delaycompress
    postrotate
        /usr/bin/systemctl restart varnishlog
    endscript
}