Start a jail task which creates the zfs datasets and installs a new_jail script.

ansible/roles/jail/tasks/freebsd.yaml

@@ -0,0 +1,42 @@
+- name: Create common zfs datasets
+  zfs:
+    name: "{{ item }}"
+    state: present
+    extra_zfs_properties:
+      mountpoint: "none"
+  loop: "{{ ((jail_list | community.general.json_query('[*].dataset')) + [jail_zfs_dataset]) | product(['', '/persistent', '/jails']) | map('join', '') }}"
+
+- name: Create jail zfs datasets
+  zfs:
+    name: "{{ item.dataset|default(jail_zfs_dataset) }}/jails/{{ item.name }}"
+    state: present
+    extra_zfs_properties: '{{ {''mountpoint'': item.dataset_mountpoint|default(jail_zfs_dataset_mountpoint) + "/jails/" + item.name}|combine(item.properties|default({})) }}'
+
+  loop: "{{ jail_list }}"
+
+- name: Create persistent jail zfs datasets
+  zfs:
+    name: "{{ item.dataset|default(jail_zfs_dataset) }}/persistent/{{ item.name }}"
+    state: present
+    extra_zfs_properties:
+      mountpoint: "none"
+  when: item.persist|default([])|length > 0
+  loop: "{{ jail_list }}"
+
+- name: Create jail specific zfs datasets
+  zfs:
+    name: "{{ item.0.dataset|default(jail_zfs_dataset) }}/persistent/{{ item.0.name }}/{{ item.1.name }}"
+    state: present
+    extra_zfs_properties: '{{ {''mountpoint'': item.0.dataset_mountpoint|default(jail_zfs_dataset_mountpoint) + "/jails/" + item.0.name + item.1.mount }|combine(item.1.properties|default({})) }}'
+  loop: "{{ jail_list|subelements('persist', skip_missing=True) }}"
+
+- name: Install scripts
+  template:
+    src: "templates/{{ item.src }}.j2"
+    dest: "{{ item.dest }}"
+    mode: 0755
+    owner: root
+    group: wheel
+  loop:
+    - src: new_jail.bash
+      dest: /usr/local/bin/new_jail