packages are more generic

- if config is needed, it has a file in vars/
- all imported vars for pkgs are namespaced with _<pkgname>

tasks/pkgs/zfs.yml

@@ -1,64 +1,74 @@
 ---
-- name: set rpm_dist
-  ansible.builtin.command: rpm --eval "%{dist}"
-  register: rpm_dist
-  tags:
-    - packages
-    - RedHat
-    - config
+- ansible.builtin.include_vars:
+    file: zfs.yml
+    name: _zfs
 
-- name: set zfs repo facts
-  set_fact:
-    zfs_repo_base: https://zfsonlinux.org
-    zfs_gpg_key: https://raw.githubusercontent.com/zfsonlinux/zfsonlinux.github.com/master/zfs-release/RPM-GPG-KEY-openzfs-key2
-    zfs_gpg_key_fingerprint: 7DC7 299D CF7C 7FD9 CD87 701B A599 FD5E 9DB8 4141
-
-- name: el9+ specific configuration
+- name: RedHat based configuration
+  when: ansible_os_family == 'RedHat'
   block:
-    - name: set el9+ facts
-      set_fact:
-        rh_release: epel
-        zfs_release: 2-3
-  when:
-    - ansible_distribution != 'Fedora'
-    # TODO: figure out a better way to identify EPEL based distros
-    # TODO: Alma, rocky, centos, rhel
-  tags:
-    - packages
-    - RedHat
-    - config
+    - ansible.builtin.set_fact:
+        rhname: "{%if ansible_distribution == 'Fedora' %}fedora{% else %}epel{% endif %}"
+    - ansible.builtin.command:
+        cmd: rpm --eval "%{dist}"
+      register: rpm_dist
+    
+    - name: add openzfs gpg_key
+      ansible.builtin.rpm_key:
+        key: "{{ _zfs.gpg_key }}"
+        fingerprint: "{{ _zfs.gpg_key_fingerprint }}"
+        state: present
+      become: true
+      tags:
+        - packages
+        - RedHat
+    
+    - name: enable openzfs repository
+      ansible.builtin.dnf:
+        name: "{{ _zfs.repo_base }}{{ rhname }}/zfs-release-{{ _zfs[rhname].release }}{{ rpm_dist.stdout }}.noarch.rpm"
+        state: "{{ install_state }}"
+      become: true
+      tags:
+        - packages
+        - RedHat
 
-- name: Fedora specific configuration
+    - name: install zfs deps
+      ansible.builtin.dnf:
+        name: "{{ _zfs[ansible_os_family].deppkgs }}"
+        state: "{{ install_state }}"
+      become: true
+
+- name: Debian configuration
+  when: ansible_os_family == 'Debian'
   block:
-    - name: set fedora facts
-      set_fact:
-        rh_release: fedora
-        zfs_release: 2-6
-      when: ansible_distribution == 'Fedora'
-  when: ansible_distribution == 'Fedora'
+    - name: enable openzfs repository
+      become: true
+      ansible.builtin.apt_repository:
+        repo: |
+            deb http://deb.debian.org/debian {{ ansible_distribution_release }}-backports main contrib
+            deb-src http://deb.debian.org/debian {{ ansible_distribution_release }}-backports main contrib
+        filename: "{{ ansible_distribution_release }}-backports"
+        state: present
+        update_cache: false
 
-- name: add openzfs gpg_key
-  ansible.builtin.rpm_key:
-    key: "{{ zfs_gpg_key }}"
-    fingerprint: "{{ zfs_gpg_key_fingerprint }}"
-    state: present
-  become: true
-  tags:
-    - packages
-    - RedHat
+    - name: pin zfs package to backports
+      become: true
+      ansible.builtin.file:
+        content: |
+            Package: src:zfs-linux
+            Pin: release n={{ ansible_distribution_release }}-backports
+            Pin-Priority: 990
+        dest: /etc/apt/preferences.d/90_zfs
+        state: present
 
-- name: enable openzfs repository
-  ansible.builtin.dnf:
-    name: "{{ zfs_repo_base }}{{ rh_release }}/zfs-release-{{ zfs_release }}{{ rpm_dist.stdout }}.noarch.rpm"
-    state: "{{ install_state }}"
-  become: true
-  tags:
-    - packages
-    - RedHat
+    - name: install zfs deps
+      become: true
+      ansible.builtin.apt:
+        name: "{{ _zfs[ansible_os_family].deppkgs }}"
+        state: "{{ install_state }}"
 
 - name: append to pkgs
   set_fact:
-    syspkgs: "{{ syspkgs + [ 'zfs' ] }}"
+    syspkgs: "{{ syspkgs + _zfs[ansible_os_family].pkgs }}"
   become: true
   tags:
     - RedHat