- name: "Check if dataset {{ dataset.name }} exists"
  shell: zfs list -o name | grep -Fxq "{{ dataset.name }}"
  changed_when: false
  failed_when: false
  register: check_dataset_exists

- name: "Create ZFS dataset {{ dataset.name }}"
  shell: |
    {% if dataset.mountpoint is defined %}
    zfs create -o "mountpoint={{ dataset.mountpoint }}" -p "{{ dataset.name }}"
    {% else %}
    zfs create -p "{{ dataset.name }}"
    {% endif %}
  when: check_dataset_exists.rc != 0

- name: Check if userland snapshot already exists
  shell: zfs list -t snapshot -o name | grep -Fxq "{{ dataset.name }}@base"
  failed_when: false
  changed_when: false
  register: zfs_userland_check
  when: dataset.userland is defined

- name: Set up userland
  when: dataset.userland is defined and zfs_userland_check.rc != 0
  block:
    - name: Download userland
      get_url:
        url: https://download.freebsd.org/ftp/releases/{{ arch }}/{{ dataset.userland }}/base.txz
        dest: /usr/local/jails/media/{{ dataset.userland }}-base.txz
        owner: root
        group: wheel
        mode: "0644"

    - name: Unarchive userland
      shell: tar -xzf /usr/local/jails/media/{{ dataset.userland }}-base.txz -C /usr/local/jails/templates/{{ dataset.userland }}

    - name: Copy localtime to jail userland
      copy:
        remote_src: true
        src: /etc/localtime
        dest: /usr/local/jails/templates/{{ dataset.userland }}/etc/localtime

    - name: Copy resolv.conf to jail userland
      template:
        src: etc_resolv.conf.j2
        dest: /usr/local/jails/templates/{{ dataset.userland }}/etc/resolv.conf
        owner: root
        group: wheel
        mode: "0644"

    - name: Disable resolvconf in the template
      shell: echo 'resolvconf=NO' >> /usr/local/jails/templates/{{ dataset.userland }}/etc/resolvconf.conf

    - name: Update userland to latest patch level
      shell: freebsd-update -b /usr/local/jails/templates/{{ dataset.userland }}/ fetch install

    - name: Disable syslogd in the template
      shell: echo 'syslogd_enable="NO"' >> /usr/local/jails/templates/{{ dataset.userland }}/etc/rc.conf

    - name: Create userland ZFS snapshot
      shell: zfs snapshot zroot/jails/templates/{{ dataset.userland }}@base