implement version controll

defaults/main.yml

@@ -1,4 +1,6 @@
 ---
+# Here are the variables you may want to change
+# to configure i3wm
 i3_keybindings_extra: []
 #  - keybinding:
 #    name: example
@@ -35,3 +37,5 @@ i3_packages_extra:
   - ranger
 # which user are we?
 i3wm_user: "{{ ansible_user_id }}"
+# version check for this role?
+submodules_versioncheck: true

tasks/main.yml

@@ -1,4 +1,7 @@
 ---
+- include_tasks: versioncheck.yml
+  when: submodules_versioncheck|bool
+
 - name: register variables
   import_tasks: variables.yml
 

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+- name: Check if your version is outdated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+    msg: "Your ansible module has the version '{{ playbook_version_number }}' and is outdated.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

@@ -32,3 +32,6 @@ __i3_workspaces:
     name: " 0 "
 
 user: "{{ i3wm_user }}"
+
+playbook_version_number: 9000 # should be over ninethousand
+playbook_version_path: '/etc/ansible-version/role-i3wm_chaos-bodensee_github.com.version'