---
- name: create zfs dataset
  zfs:
    name: "{{ kubelet_zfs.pool }}/{{ kubelet_zfs.name }}"
    state: present
    extra_zfs_properties:
      quota: "{{ kubelet_zfs.size }}"

- name: bind mount filesytem
  mount:
    src: "{{ zfs_zpools[kubelet_zfs.pool].mountpoint }}/{{ kubelet_zfs.name }}"
    path: /var/lib/kubelet
    fstype: none
    opts: bind,x-systemd.automount,nofail
    state: mounted

## TODO:
## there is a race condition between the bind mound and the zfs-mount which is invisible to systemd.
## It seems ZFSonLinux 8 and beyond have a systemd-generator to fix this problem. Sadly Debain Buster and Ubuntu Bionic contain
## ZFSOnLinux 7 - so let's try the folllowing for a possible workaround:
## https://askubuntu.com/questions/988968/which-zfs-command-systemd-unit-to-depend-on-to-ensure-that-a-mountpoint-is-avail