initial commit

defaults/main.yml

+zfs:
+  volumes: []

tasks/main.yml

+- name: install zfs
+  apt:
+    pkg:
+      - dkms
+      - spl-dkms
+      - zfs-dkms
+      - zfsutils-linux
+
+- name: create volumes
+  loop: "{{ zfs.volumes|dict2items }}"
+  include_tasks: volume.yml

tasks/volume.yml

+- name: create encrypted datasets
+  shell: "/sbin/zfs create -o encryption={{ item.value.options.encryption }} -o keyformat={{ item.value.options.keyformat }} -o keylocation={{ item.value.options.keylocation|d('') }} {{ item.key }}"
+  register: result
+  changed_when: result.rc == 0
+  failed_when:
+    - result.rc != 0
+    - '"dataset already exists" not in result.stderr'
+  when: item.value.options.encryption|default(False)
+
+- name: create other zfs datasets and set options
+  community.general.zfs:
+    name: "{{ item.key }}"
+    state: present
+    origin: "{{ item.value.origin|d(omit) }}"
+    extra_zfs_properties: "{{ item.value.options|dict2items|rejectattr('key', 'eq', 'encryption')|rejectattr('key', 'eq', 'keyformat')|list|items2dict|d(omit) }}"