# ZFS-provisioner

## Requirements

- ZFS on storage server
- nfs-kernel-server on storage server
- sudo on storage server

## Install

- Add user `adduser zfs-provisioner`
- Configure sudo on storage server:

`echo "zfs-provisioner ALL=(ALL) NOPASSWD:/sbin/zfs *,/bin/chmod *" > /etc/sudoers.d/zfs-provisioner`

- Generate an ssh keypair: `ssh-keygen`
- Edit *values.yml*
  - hostAliases: IP and name of hypervisor or storage server
  - ssh.identities.id_rsa: generated private key
  - ssh.knownHosts: public machine key of storage server (*/etc/ssh/ssh_host_rsa_key.pub*)
- Install

```sh
kubectl create namespace zfs-provisioner

helm repo add zfs-provisioner https://ccremer.github.io/kubernetes-zfs-provisioner

helm install kubernetes-zfs-provisioner --namespace zfs-provisioner zfs-provisioner/kubernetes-zfs-provisioner -f values.yml
```

- Edit *storage-class.yml* and create the storage class
  - parameters
    - hostname: hostname of stroage server (make sure it resolves!)
    - parentDataset: used ZFS dataset

`kubectl apply -f storage-class.yml`