Implement version controll

defaults/main.yml

@@ -1,3 +1,6 @@
 ---
 install_graphical_application: true
 install_autorandr_application: true
+
+# version check for this playbook
+submodules_versioncheck: true

tasks/main.yml

@@ -2,6 +2,10 @@
 - name: Include OS Specific vars
   include_vars: "{{ ansible_os_family }}.yml"
 
+- name: make versionscheck
+  include_tasks: versioncheck.yml
+  when: submodules_versioncheck|bool
+
 - name: Install xrandr
   become: true
   package:
@@ -13,11 +17,11 @@
   package:
     name: "{{ graphical_xrandr_packages }}"
     state: present
-  when: install_graphical_application
+  when: install_graphical_application|bool
 
 - name: Install autorandr
   become: true
   package:
     name: "{{ autorandr }}"
     state: present
-  when: install_autorandr_application
+  when: install_autorandr_application|bool

tasks/versioncheck.yml

@@ -0,0 +1,39 @@
+---
+- name: Create directory for versionscheck
+  become: true
+  file:
+    path: '/etc/ansible-version'
+    state: directory
+    mode: 0755
+  when: submodules_versioncheck|bool
+
+- name: check playbook version
+  become: true
+  slurp:
+    src: "{{ playbook_version_path }}"
+  register: playbook_version
+  when: submodules_versioncheck|bool
+  ignore_errors: yes
+
+- name: Print remote role version
+  debug:
+    msg: "Remote role version: {{ playbook_version.content | default('Y3VycmVudGx5IG5vdCBkZXBsb3llZAo=') | b64decode | string }}"
+  when: submodules_versioncheck|bool
+
+- name: Print locale role version
+  debug:
+    msg: "Local role version: '{{ playbook_version_number|string }}'."
+  when: submodules_versioncheck|bool
+
+- name: Check if your version is outdated
+  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+    msg: "Your ansible module has the version '{{ playbook_version_number }}' and is outdated.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: write new version to remote disk
+  become: true
+  copy:
+    content: "{{ playbook_version_number }}"
+    dest: "{{ playbook_version_path }}"
+  when: submodules_versioncheck|bool

vars/main.yml

@@ -0,0 +1,3 @@
+---
+playbook_version_number: 100
+playbook_version_path: '/etc/ansible-version/role-xrandr_chaos-bodensee_github.com.version'