haproxy/files/logrotate.conf

/mnt/log/haproxy.log {
    weekly
    missingok
    rotate 7
    compress
    delaycompress
    notifempty
    create 640 syslog adm
    sharedscripts
    postrotate
        /etc/init.d/haproxy reload > /dev/null
    endscript
}