/var/log/core-daemon.log {
    rotate 7
    daily
    missingok
    notifempty
    compress
    sharedscripts
    postrotate
        if [ -r /var/run/core-daemon.pid ]; then
            kill -USR1 $(cat /var/run/core-daemon.pid) > /dev/null 2>&1
        fi
    endscript
}