From 6564f78511dc5580c3016c0c0d386d77ea588ca3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Przemys=C5=82aw=20Grondek?= <pgrondek@hawkeye.lan>
Date: Fri, 22 Sep 2023 20:05:32 +0200
Subject: [PATCH] Add task for backup

---
 localhost.yml                           |  1 +
 roles/backup/files/etc/btrbk/btrbk.conf | 13 +++++++++++
 roles/backup/files/etc/cron.daily/btrbk |  2 ++
 roles/backup/tasks/arch.yml             | 29 +++++++++++++++++++++++++
 roles/backup/tasks/main.yml             |  3 +++
 5 files changed, 48 insertions(+)
 create mode 100644 roles/backup/files/etc/btrbk/btrbk.conf
 create mode 100755 roles/backup/files/etc/cron.daily/btrbk
 create mode 100644 roles/backup/tasks/arch.yml
 create mode 100644 roles/backup/tasks/main.yml

diff --git a/localhost.yml b/localhost.yml
index fe84d2e..c03fa5b 100644
--- a/localhost.yml
+++ b/localhost.yml
@@ -14,6 +14,7 @@
     - docker
     - laptop
     - desktop
+    - backup
 
 #    - flutter
 #    - virtual
diff --git a/roles/backup/files/etc/btrbk/btrbk.conf b/roles/backup/files/etc/btrbk/btrbk.conf
new file mode 100644
index 0000000..08c5d4f
--- /dev/null
+++ b/roles/backup/files/etc/btrbk/btrbk.conf
@@ -0,0 +1,13 @@
+timestamp_format    long
+
+snapshot_preserve_min   24h
+snapshot_preserve       7d 4w 3m
+
+volume /home
+    snapshot_dir    /home/.snapshots
+    subvolume       /home
+
+volume  /
+    snapshot_dir    /.snapshot_dir
+    subvolume       /
+
diff --git a/roles/backup/files/etc/cron.daily/btrbk b/roles/backup/files/etc/cron.daily/btrbk
new file mode 100755
index 0000000..2d8693d
--- /dev/null
+++ b/roles/backup/files/etc/cron.daily/btrbk
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /usr/bin/btrbk -q run
diff --git a/roles/backup/tasks/arch.yml b/roles/backup/tasks/arch.yml
new file mode 100644
index 0000000..bcd7cb7
--- /dev/null
+++ b/roles/backup/tasks/arch.yml
@@ -0,0 +1,29 @@
+---
+- name: install btrbk
+  become: yes
+  community.general.pacman:
+    name:
+      - btrfs-progs
+      - btrbk
+      - cronie
+
+- name: "Enable cron"
+  become: yes
+  ansible.builtin.systemd:
+    name: cronie
+    state: started
+    enabled: yes
+
+- name: Copy configuration
+  become: yes
+  copy:
+    src: etc/btrbk/btrbk.conf
+    dest: /etc/btrbk/btrbk.conf
+    mode: 0644
+
+- name: Add cron daily
+  become: yes
+  copy:
+    src: etc/cron.daily/btrbk
+    dest: /etc/cron.daily/btrbk
+    mode: 0755
diff --git a/roles/backup/tasks/main.yml b/roles/backup/tasks/main.yml
new file mode 100644
index 0000000..6d32278
--- /dev/null
+++ b/roles/backup/tasks/main.yml
@@ -0,0 +1,3 @@
+---
+- import_tasks: arch.yml
+  when: ansible_distribution == "Archlinux"