add basic versionscheck and split role into better parts

defaults/main.yml

@@ -12,3 +12,6 @@ restic_create_cron: false
 
 restic_dir_owner: '{{ ansible_user | default(ansible_user_id) }}'
 restic_dir_group: '{{ ansible_user | default(ansible_user_id) }}'
+
+# perform simple version check for this role? (true is recomended)
+submodules_versioncheck: false

meta/main.yml

@@ -4,7 +4,7 @@ galaxy_info:
   author: do1jlr
   description: Ansible role to deploy restic and setup backups.
   license: MIT
-  min_ansible_version: 2.9
+  min_ansible_version: 2.10.6
   platforms:
     - name: Debian
       versions: all

tasks/install.yml

@@ -22,7 +22,7 @@
     group: '{{ restic_dir_group }}'
 
 - name: Test the binary
-  shell: "{{ restic_bin_bath }} version"
+  ansible.builtin.command: "{{ restic_bin_bath }} version"
   ignore_errors: true
   register: restic_test_result
 

tasks/main.yml

@@ -2,34 +2,22 @@
 - name: add OS specific variables
   ansible.builtin.include_vars: "{{ lookup('first_found', restic_os_variables) }}"
 
-- 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: perform versionscheck
+  ansible.builtin.include_tasks: versioncheck.yml
+  when: submodules_versioncheck|bool
 
-- name: Check if downloaded binary is present
-  stat:
-    path: '{{ restic_download_path }}/bin/restic-{{ restic_version }}'
-  register: restic_executable
-
-- name: Check if installed binary is present
-  stat:
-    path: '{{ restic_install_path }}/restic'
-  register: restic_installed
+- name: make sure restic is available
+  ansible.builtin.include_tasks: preperation.yml
 
 - name: Install restic
-  include: 'install.yml'
+  ansible.builtin.include_tasks: 'install.yml'
   when: not restic_executable.stat.exists or not restic_installed.stat.exists
 
 - name: Configure restic
-  include: 'configure.yml'
+  ansible.builtin.include_tasks: 'configure.yml'
 
 - name: include distribution tasks
-  include_tasks: '{{ loop_distribution }}'
+  ansible.builtin.include_tasks: '{{ loop_distribution }}'
   with_first_found:
     - files:
         - '{{ distribution }}-{{ distribution_version }}.yml'
@@ -46,6 +34,3 @@
     distribution: '{{ ansible_distribution }}'
     distribution_version: '{{ ansible_distribution_version }}'
     distribution_major_version: '{{ ansible_distribution_major_version }}'
-  tags:
-    - configuration
-    - packages

tasks/preperation.yml

@@ -0,0 +1,19 @@
+---
+- name: Ensure restic directories exist
+  ansible.builtin.file:
+    state: 'directory'
+    path: '{{ item }}'
+    mode: '0755'
+    owner: '{{ restic_dir_owner }}'
+    group: '{{ restic_dir_group }}'
+  with_items: '{{ restic_create_paths }}'
+
+- name: Check if downloaded binary is present
+  ansible.builtin.stat:
+    path: '{{ restic_download_path }}/bin/restic-{{ restic_version }}'
+  register: restic_executable
+
+- name: Check if installed binary is present
+  ansible.builtin.stat:
+    path: '{{ restic_install_path }}/restic'
+  register: restic_installed

tasks/versioncheck.yml

@@ -0,0 +1,46 @@
+---
+- name: Create directory for versionscheck
+  become: true
+  ansible.builtin.file:
+    path: '/etc/.ansible-version'
+    state: directory
+    mode: 0755
+  when: submodules_versioncheck|bool
+
+- name: check playbook version
+  become: true
+  ansible.builtin.slurp:
+    src: "/etc/.ansible-version/{{ playbook_version_path }}"
+  register: playbook_version
+  when: submodules_versioncheck|bool
+  ignore_errors: true
+  failed_when: false
+
+- name: Print remote role version
+  ansible.builtin.debug:
+    msg: "Remote role version: {{ playbook_version.content | default('Y3VycmVudGx5IG5vdCBkZXBsb3llZAo=') | b64decode | string }}"
+  when: submodules_versioncheck|bool
+
+- name: Print locale role version
+  ansible.builtin.debug:
+    msg: "Local role version: '{{ playbook_version_number|string }}'."
+  when: submodules_versioncheck|bool
+
+- name: Check if your version is outdated
+  ansible.builtin.fail:
+    msg: "Your ansible module has the version '{{ playbook_version_number }}' and is outdated. You need to update it!"
+  when:
+    - playbook_version.content|default("Mgo=")|b64decode|int - 1 >= playbook_version_number|int and submodules_versioncheck|bool
+
+- name: check if '/etc/ansible-version/' is empty
+  ansible.builtin.find:
+    paths: '/etc/ansible-version/'
+  register: filesFound
+
+- name: write new version to remote disk
+  become: true
+  ansible.builtin.copy:
+    content: "{{ playbook_version_number }}"
+    dest: "/etc/.ansible-version/{{ playbook_version_path }}"
+    mode: '0644'
+  when: submodules_versioncheck|bool

vars/main.yml

@@ -9,3 +9,6 @@ restic_os_variables:
     - 'defaults.yml'
   paths:
     - 'vars'
+
+playbook_version_number: 3  # should be int
+playbook_version_path: 'do1jlr.restic.version'