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- name: Ensure jails directory exists
  file:
    path: /usr/local/jails
    state: directory
    owner: root
    group: wheel
    mode: "0755"

- name: Create ZFS datasets
  loop:
    - { name: "zroot/jails", mountpoint: "/usr/local/jails" }
    - { name: "zroot/jails/media" }
    - { name: "zroot/jails/templates" }
    - { name: "zroot/jails/templates/{{ jail_userland_version }}" }
    - { name: "zroot/jails/containers" }
  loop_control:
    loop_var: dataset
  include_tasks: jail_datasets.yml

- name: Check if userland snapshot already exists
  shell: zfs list -t snapshot -o name | grep -Fxq "zroot/jails/templates/{{ jail_userland_version }}@base"
  failed_when: false
  changed_when: false
  register: zfs_userland_check

- name: Set up userland
  when: zfs_userland_check.rc != 0
  block:
    - name: Download userland
      get_url:
        url: https://download.freebsd.org/ftp/releases/amd64/amd64/{{ jail_userland_version }}/base.txz
        dest: /usr/local/jails/media/{{ jail_userland_version }}-base.txz
        owner: root
        group: wheel
        mode: "0644"

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

    - name: Copy localtime and resolv.conf to jail userland
      copy:
        remote_src: true
        src: "{{ item }}"
        dest: "/usr/local/jails/templates/{{ jail_userland_version }}{{ item }}"
      loop:
        - /etc/resolv.conf
        - /etc/localtime

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

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

- name: Configure jails
  block:
    - name: Configure jail.conf
      template:
        src: etc_jail.conf.j2
        dest: /etc/jail.conf
        owner: root
        group: wheel
        mode: "0644"

    - name: Configure individual jails
      loop: "{{ jails }}"
      loop_control:
        loop_var: jail
      include_tasks: jail_single.yml