From 67d5f5c27727e04d8f8a5ed20e79d5706cbbf1cb Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sun, 7 Jan 2024 00:08:17 +0100
Subject: refactor: storage roles

---
 roles/storage/zfs/base/tasks/main.yml | 61 +++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 roles/storage/zfs/base/tasks/main.yml

(limited to 'roles/storage/zfs/base/tasks/main.yml')

diff --git a/roles/storage/zfs/base/tasks/main.yml b/roles/storage/zfs/base/tasks/main.yml
new file mode 100644
index 00000000..99b8e228
--- /dev/null
+++ b/roles/storage/zfs/base/tasks/main.yml
@@ -0,0 +1,61 @@
+---
+- name: configure arc size
+  when: zfs_arc_size is defined
+  copy:
+    content: |
+      options zfs zfs_arc_min={{ zfs_arc_size.min | human_to_bytes }}
+      options zfs zfs_arc_max={{ zfs_arc_size.max | human_to_bytes }}
+    dest: /etc/modprobe.d/zfs.conf
+
+- name: install zfs modules
+  include_tasks: "{{ ansible_distribution }}.yml"
+
+- name: load zfs kernel module
+  modprobe:
+    name: zfs
+    state: present
+
+- name: install zed and zfs file system utilities
+  apt:
+    name:
+    - zfsutils-linux
+    - zfs-zed
+    state: present
+
+- name: enable systemd mount-generator
+  when: zfs_use_systemd_mount_generator
+  import_tasks: enable-systemd-mount-generator.yml
+
+- name: gather zpool facts
+  zpool_facts:
+
+- name: generate list of existing pools
+  set_fact:
+    zfs_existing_pools: "{{ ansible_zfs_pools | map(attribute='name') | list }}"
+
+- name: try to import existing pools
+  loop: "{{ zfs_pools | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  when: item.key not in zfs_existing_pools
+  command: "zpool import{% for dev in (item.value.create_vdevs.split(' ') | select('match', '^/dev/') ) %} -d {{ dev }}{% endfor %} -f {{ item.key }}"
+  register: zfs_import_result
+  failed_when:
+  - zfs_import_result.rc == 0
+  - (zfs_import_result.stderr_lines | reject("regex", " no such pool available$") | list | length) > 0
+  changed_when:
+  - (zfs_import_result.stderr_lines | length) == 0
+
+- name: gather zpool facts (again)
+  zpool_facts:
+
+- name: generate list of existing pools (again)
+  set_fact:
+    zfs_existing_pools: "{{ ansible_zfs_pools | map(attribute='name') | list }}"
+
+- name: create pools
+  loop: "{{ zfs_pools | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  when: item.key not in zfs_existing_pools
+  command: "zpool create -m {{ item.value.mountpoint }} {% for prop, value in (item.value.properties | default(zfs_pool_default_properties)).items() %}-o {{ prop }}={{ value }} {% endfor %}{{ item.key }} {{ item.value.create_vdevs }}"
-- 
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