cluster-configs/k8s/zfs-provisioner

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

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