From bc30de48bc94a19ae20886b6e0b2cb113f7a20c8 Mon Sep 17 00:00:00 2001
From: Wojciech Kozlowski <wk@wojciechkozlowski.eu>
Date: Wed, 12 Oct 2022 22:02:11 +0200
Subject: [PATCH] Extra settings for hpool

---
 .../systemd/system/zfs-load-key-hpool.service   | 17 +++++++++++++++++
 playbooks/hosts.yml                             |  1 +
 playbooks/tasks/hosts/zfs-extra.yml             | 17 +++++++++++++++++
 playbooks/tasks/hosts/zfs-scrub.yml             |  6 ++++++
 4 files changed, 41 insertions(+)
 create mode 100644 playbooks/filesystem/yggdrasil/etc/systemd/system/zfs-load-key-hpool.service
 create mode 100644 playbooks/tasks/hosts/zfs-extra.yml

diff --git a/playbooks/filesystem/yggdrasil/etc/systemd/system/zfs-load-key-hpool.service b/playbooks/filesystem/yggdrasil/etc/systemd/system/zfs-load-key-hpool.service
new file mode 100644
index 0000000..0eda6b5
--- /dev/null
+++ b/playbooks/filesystem/yggdrasil/etc/systemd/system/zfs-load-key-hpool.service
@@ -0,0 +1,17 @@
+[Unit]
+Description=Load encryption key for ZFS hpool
+Documentation=man:zfs(8)
+DefaultDependencies=no
+After=systemd-udev-settle.service
+After=zfs-import.target
+After=systemd-remount-fs.service
+Before=zfs-mount.service
+ConditionPathIsDirectory=/sys/module/zfs
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/sbin/zfs load-key hpool
+
+[Install]
+WantedBy=zfs.target
diff --git a/playbooks/hosts.yml b/playbooks/hosts.yml
index beb0c4c..2f58b80 100644
--- a/playbooks/hosts.yml
+++ b/playbooks/hosts.yml
@@ -23,6 +23,7 @@
     - import_tasks: tasks/hosts/systemd-mail.yml
     - import_tasks: tasks/hosts/zfs-scrub.yml
     - import_tasks: tasks/hosts/zfs-trim.yml
+    - import_tasks: tasks/hosts/zfs-extra.yml
     - import_tasks: tasks/hosts/zfsutils-cron.yml
     - import_tasks: tasks/hosts/ups.yml
     - import_tasks: tasks/hosts/smart.yml
diff --git a/playbooks/tasks/hosts/zfs-extra.yml b/playbooks/tasks/hosts/zfs-extra.yml
new file mode 100644
index 0000000..8b7c9d7
--- /dev/null
+++ b/playbooks/tasks/hosts/zfs-extra.yml
@@ -0,0 +1,17 @@
+- name: Load hpool keys service file
+  copy:
+    src: ./filesystem/{{ ansible_hostname }}/etc/systemd/system/zfs-load-key-hpool.service
+    dest: /etc/systemd/system/zfs-load-key-hpool.service
+    mode: 0644
+  register: systemd_zfs_load_key_hpool_service_file
+
+- name: SystemD daemon reload
+  systemd:
+    daemon_reload: true
+  when:
+    systemd_zfs_load_key_hpool_service_file is changed
+
+- name: Ensure hpool keys are loaded at boot
+  systemd:
+    name: zfs-load-key-hpool.service
+    enabled: yes
diff --git a/playbooks/tasks/hosts/zfs-scrub.yml b/playbooks/tasks/hosts/zfs-scrub.yml
index 52ff8bd..6cccb21 100644
--- a/playbooks/tasks/hosts/zfs-scrub.yml
+++ b/playbooks/tasks/hosts/zfs-scrub.yml
@@ -36,3 +36,9 @@
     name: zfs-scrub-monthly@rpool.timer
     enabled: yes
     state: started
+
+- name: Enable zfs scrub of hpool
+  systemd:
+    name: zfs-scrub-monthly@hpool.timer
+    enabled: yes
+    state: started