Expose a Rook-based Ceph cluster outside of Kubernetes

We recently deployed a LXD based Hadoop cluster and we wanted to be able to apply size quotas on some filesystems (ie: service logs, user homes). Quota is a built in feature of the Linux kernel used to set a limit of how much disk space our users can use. For exemple, we have edge nodes used to provide a secured working space to our users. They are accessible through SSH with an already pre-configured Hadoop and Kubernetes client environment and we must ensure a user will not fill the file system with data…