I may be wrong, but here's how I got the idea: "liefert Huawei mit dem Cloud-Betriebssystem Huawei OpenStack Distribution" So it appears to be a Huawei _distribution_ from https://www.open-telekom-cloud.com/de/blog/vorteile/die-sich...

Also see https://news.ycombinator.com/item?id=41350820