installing binary

defaults/main.yml

@@ -1,8 +1,13 @@
 ---
 # defaults file for skeleton
+restic_url: ''
 restic_version: '0.9.5'
-restic_install_dir: '/usr/bin'
+restic_download_path: '/opt/restic'
+restic_install_path: '/usr/bin'
 restic_script_dir: '~/restic'
 restic_repos: {}
 restic_backups: []
 restic_create_cron: false
+
+restic_dir_owner: '{{ansible_user}}'
+restic_dir_group: '{{ansible_user}}'

tasks/install.yml

@@ -0,0 +1,32 @@
+---
+- name: Set restic_url
+  set_fact:
+    restic_url: 'https://github.com/restic/restic/releases/download/v{{ restic_version }}/restic_{{ restic_version }}_{{ ansible_system | lower }}_{{ _platform_map[ansible_architecture] | default(ansible_architecture) }}.bz2'
+  when: restic_url == ''
+
+- name: Download client binary
+  get_url:
+    url: '{{ restic_url }}'
+    dest: '{{ restic_download_path }}/restic.bz2'
+    force: True
+  register: get_url_restic
+
+# TODO: This needs to become independent of the shell module to actually work on every system
+- name: Decompress the binary
+  shell: "bzip2 -dc {{ get_url_restic.dest }} > {{ restic_download_path }}/bin/restic-{{ restic_version }}"
+  args:
+    creates: '{{ restic_download_path }}/bin/restic-{{ restic_version }}'
+
+- name: Ensure permissions are correct
+  file:
+    path: '{{ restic_download_path }}/bin/restic-{{ restic_version }}'
+    mode: '0755'
+    owner: '{{ restic_dir_owner }}'
+    group: '{{ restic_dir_group }}'
+
+- name: Create symbolic link to the correct version
+  file:
+    src: '{{ restic_download_path }}/bin/restic-{{ restic_version }}'
+    path: '{{ restic_install_path }}/restic'
+    state: link
+    force: True

tasks/main.yml

@@ -0,0 +1,58 @@
+---
+# tasks file for skeleton
+
+- name: add OS specific variables
+  include_vars: '{{ loop_vars }}'
+  with_first_found:
+    - files:
+        - '{{ distribution }}-{{ distribution_version }}.yml'
+        - '{{ distribution }}-{{ distribution_major_version }}.yml'
+        - '{{ distribution }}.yml'
+        - '{{ ansible_os_family }}.yml'
+        - '{{ ansible_system }}.yml'
+        - 'defaults.yml'
+      paths:
+        - 'vars'
+  loop_control:
+    loop_var: loop_vars
+  vars:
+    distribution: '{{ ansible_distribution }}'
+    distribution_version: '{{ ansible_distribution_version }}'
+    distribution_major_version: '{{ ansible_distribution_major_version }}'
+  tags:
+    - configuration
+    - packages
+
+- name: Ensure restic directories exist
+  file:
+    state: 'directory'
+    path: '{{ item }}'
+    mode: '0755'
+    owner: '{{ restic_dir_owner }}'
+    group: '{{ restic_dir_group }}'
+  with_items: '{{ restic_create_paths }}'
+
+- name: Install restic
+  include: 'install.yml'
+
+- name: include distribution tasks
+  include_tasks: '{{ loop_distribution }}'
+  with_first_found:
+    - files:
+        - '{{ distribution }}-{{ distribution_version }}.yml'
+        - '{{ distribution }}-{{ distribution_major_version }}.yml'
+        - '{{ distribution }}.yml'
+        - '{{ ansible_os_family }}.yml'
+        - '{{ ansible_system }}.yml'
+        - 'defaults.yml'
+      paths:
+        - 'distribution'
+  loop_control:
+    loop_var: loop_distribution
+  vars:
+    distribution: '{{ ansible_distribution }}'
+    distribution_version: '{{ ansible_distribution_version }}'
+    distribution_major_version: '{{ ansible_distribution_major_version }}'
+  tags:
+    - configuration
+    - packages

vars/defaults.yml

@@ -0,0 +1,11 @@
+---
+# we use a platform map to decipher system version
+_platform_map:
+  i386: 386
+  x86_64: amd64
+  aarch64: arm64
+  armv7l: arm
+  armv6l: arm
+
+restic_create_paths:
+  - '{{ restic_install_path }}/bin'