From a64636bdedf842402016b29932862896dd6a6265 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sat, 1 May 2021 20:15:49 +0200
Subject: add experimental syncoid zfs backup role

---
 roles/storage/zfs/syncoid/tasks/datasets.yml | 16 ++++++++++
 roles/storage/zfs/syncoid/tasks/main.yml     | 47 ++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 roles/storage/zfs/syncoid/tasks/datasets.yml
 create mode 100644 roles/storage/zfs/syncoid/tasks/main.yml

(limited to 'roles/storage/zfs/syncoid/tasks')

diff --git a/roles/storage/zfs/syncoid/tasks/datasets.yml b/roles/storage/zfs/syncoid/tasks/datasets.yml
new file mode 100644
index 00000000..91db0f67
--- /dev/null
+++ b/roles/storage/zfs/syncoid/tasks/datasets.yml
@@ -0,0 +1,16 @@
+---
+- name: create base dataset for host
+  zfs:
+    name: "{{ zfs_syncoid_target_pool }}/{{ source.key }}"
+    state: present
+    extra_zfs_properties:
+      compression: lz4
+      xattr: sa
+
+- name: create datasets for path
+  loop: "{{ source.value.paths | zfs_syncoid_explode_paths | unique }}"
+  loop_control:
+    label: "{{ source.key }}/{{ item }}"
+  zfs:
+    name: "{{ zfs_syncoid_target_pool }}/{{ source.key }}/{{ item }}"
+    state: present
diff --git a/roles/storage/zfs/syncoid/tasks/main.yml b/roles/storage/zfs/syncoid/tasks/main.yml
new file mode 100644
index 00000000..53aa434a
--- /dev/null
+++ b/roles/storage/zfs/syncoid/tasks/main.yml
@@ -0,0 +1,47 @@
+---
+- name: install sanoid package
+  apt:
+    name: sanoid
+    state: present
+
+- name: create syncoid directory
+  file:
+    path: /var/lib/syncoid
+    state: directory
+    mode: 0700
+
+- name: genarate ssh keypair for syncoid
+  openssh_keypair:
+    path: /var/lib/syncoid/id_ssh_ed25519
+    type: ed25519
+    comment: ZFS Backup syncoid@{{ host_name }}
+
+- name: generate syncoid ssh config wrapper
+  copy:
+    content: |
+      #!/bin/bash
+      exec /usr/sbin/syncoid --sshoption "UserKnownHostsFile=/var/lib/syncoid/ssh.knownhosts" --sshoption "HashKnownHosts=no" --sshkey "/var/lib/syncoid/id_ssh_ed25519" --no-sync-snap --compress zstd-fast "$@"
+    dest: /var/lib/syncoid/syncoid_wrapper
+    mode: 0755
+
+- name: configure lvm to ignore zfs volumes
+  lineinfile:
+    path: /etc/lvm/lvm.conf
+    backrefs: yes
+    regexp: '^\s*#?\s*global_filter\s*='
+    line: '        global_filter = [ "r|/dev/zd[0-9]+|" ]'
+
+- name: create target datasets
+  loop: "{{ zfs_syncoid_sources | dict2items }}"
+  loop_control:
+    loop_var: source
+    label: "{{ source.key }}"
+  include_tasks: datasets.yml
+
+- name: create systemd units
+  loop: "{{ zfs_syncoid_sources | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  template:
+    src: systemd.service.j2
+    dest: "/etc/systemd/system/syncoid-{{ item.key }}.service"
-- 
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