From e3f04b3a488adb06b0fec892cf1b85fc15ed5ed7 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Fri, 22 May 2020 01:28:54 +0200
Subject: zfs: enable systemd mount-generator

---
 roles/zfs/base/tasks/Debian.yml | 38 +++++++++++++-------------------------
 roles/zfs/base/tasks/Ubuntu.yml |  5 +----
 roles/zfs/base/tasks/main.yml   | 29 ++++++++++++++++++++++++++++-
 3 files changed, 42 insertions(+), 30 deletions(-)

(limited to 'roles')

diff --git a/roles/zfs/base/tasks/Debian.yml b/roles/zfs/base/tasks/Debian.yml
index 2a3d608e..a1ed0387 100644
--- a/roles/zfs/base/tasks/Debian.yml
+++ b/roles/zfs/base/tasks/Debian.yml
@@ -10,37 +10,25 @@
       - apt_repo_components is defined
       - "'contrib' in apt_repo_components"
 
-- name: install zfs-dkms and utilities (buster)
+- name: enable backports and force ZFS packages from backports for buster
   when: (ansible_distribution_major_version | int) == 10
   block:
   - name: add backports repo
     include_role:
       name: apt-repo/backports
 
-  - name: install zfs modules via dkms
-    apt:
-      name: zfs-dkms
-      default_release: buster-backports
-      state: present
-
-  - name: install zfs file system utilities
-    apt:
-      name: zfsutils-linux
-      default_release: buster-backports
-      state: present
-
-- name: install zfs-dkms and utilities (bullseye and beyond)
-  when: (ansible_distribution_major_version | int) > 10
-  block:
-  - name: install zfs modules via dkms
-    apt:
-      name: zfs-dkms
-      state: present
-
-  - name: install zfs file system utilities
-    apt:
-      name: zfsutils-linux
-      state: present
+  - name: pin zfs packages to buster-backports
+    copy:
+      content: |
+        Package: libnvpair1linux libuutil1linux libzfs2linux libzpool2linux spl-dkms zfs-dkms zfs-test zfsutils-linux zfsutils-linux-dev zfs-zed
+        Pin: release n=buster-backports
+        Pin-Priority: 990
+      dest: /etc/apt/preferences.d/zfs-from-buster-backports
+
+- name: install zfs modules via dkms
+  apt:
+    name: zfs-dkms
+    state: present
 
 - name: check if module is available for the currently running kernel
   command: modprobe --dry-run zfs
diff --git a/roles/zfs/base/tasks/Ubuntu.yml b/roles/zfs/base/tasks/Ubuntu.yml
index d45c30e4..9745d716 100644
--- a/roles/zfs/base/tasks/Ubuntu.yml
+++ b/roles/zfs/base/tasks/Ubuntu.yml
@@ -1,5 +1,2 @@
 ---
-- name: install zfs file system utilities
-  apt:
-    name: zfsutils-linux
-    state: present
+## nothing to do here - zfs modules are part of ubuntu core already
diff --git a/roles/zfs/base/tasks/main.yml b/roles/zfs/base/tasks/main.yml
index ec1b04bf..e86b974b 100644
--- a/roles/zfs/base/tasks/main.yml
+++ b/roles/zfs/base/tasks/main.yml
@@ -7,7 +7,7 @@
       options zfs zfs_arc_max={{ zfs_arc_size.max }}
     dest: /etc/modprobe.d/zfs.conf
 
-- name: install zfs modules and utilities
+- name: install zfs modules
   include_tasks: "{{ ansible_distribution }}.yml"
 
 - name: load zfs kernel module
@@ -15,6 +15,33 @@
     name: zfs
     state: present
 
+- name: install zed and zfs file system utilities
+  apt:
+    name:
+      - zfsutils-linux
+      - zfs-zed
+    state: present
+
+- name: enable zfs-list-cacher zlet for systemd zfs-mount-generator
+  file:
+    src: /usr/lib/zfs-linux/zed.d/history_event-zfs-list-cacher.sh
+    dest: /etc/zfs/zed.d/history_event-zfs-list-cacher.sh
+    state: link
+
+- name: create base-directory for zfs-list.cache
+  file:
+    path: /etc/zfs/zfs-list.cache/
+    state: directory
+
+- name: create zfs-list.cache file for zpools
+  loop: "{{ zfs_zpools | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  copy:
+    content: ""
+    dest: "/etc/zfs/zfs-list.cache/{{ item.key }}"
+    force: no
+
 - name: create zpools
   loop: "{{ zfs_zpools | dict2items }}"
   loop_control:
-- 
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