cloudflare: purge venv folder when setup fails and print apt message

Author: saltydk

resources/roles/dns/tasks/cloudflare/subtasks/setup.yml

@@ -7,61 +7,75 @@
 #                   GNU General Public License v3.0                     #
 #########################################################################
 ---
-- name: Cloudflare | Setup | Install 'tld' Python package (Ansible venv)
-  ansible.builtin.pip:
-    name:
-      - "tld"
-    state: "latest"
+- name: Cloudflare | Setup | Setup venv block
+  block:
+    - name: Cloudflare | Setup | Install 'tld' Python package (Ansible venv)
+      ansible.builtin.pip:
+        name:
+          - "tld"
+        state: "latest"
 
-- name: Cloudflare | Setup | Create directory
-  ansible.builtin.file:
-    path: "{{ cloudflare_path }}"
-    state: directory
-    owner: "{{ user.name }}"
-    group: "{{ user.name }}"
-    mode: "0775"
-    recurse: true
+    - name: Cloudflare | Setup | Create directory
+      ansible.builtin.file:
+        path: "{{ cloudflare_path }}"
+        state: directory
+        owner: "{{ user.name }}"
+        group: "{{ user.name }}"
+        mode: "0775"
+        recurse: true
 
-- name: Cloudflare | Setup | Import Cloudflare files
-  ansible.builtin.copy:
-    src: "{{ item }}"
-    force: true
-    dest: "{{ cloudflare_path }}/{{ item }}"
-    owner: "{{ user.name }}"
-    group: "{{ user.name }}"
-    mode: "0775"
-  with_items:
-    - "cloudflare.py"
-    - "requirements.txt"
+    - name: Cloudflare | Setup | Import Cloudflare files
+      ansible.builtin.copy:
+        src: "{{ item }}"
+        force: true
+        dest: "{{ cloudflare_path }}/{{ item }}"
+        owner: "{{ user.name }}"
+        group: "{{ user.name }}"
+        mode: "0775"
+      with_items:
+        - "cloudflare.py"
+        - "requirements.txt"
 
-- name: Cloudflare | Setup | Set Python version
-  ansible.builtin.set_fact:
-    cloudflare_python: "{{ 'python3'
-                        if ansible_distribution_version is version('20.04', '==')
-                        else 'python3.8' }}"
+    - name: Cloudflare | Setup | Set Python version
+      ansible.builtin.set_fact:
+        cloudflare_python: "{{ 'python3'
+                            if ansible_distribution_version is version('20.04', '==')
+                            else 'python3.8' }}"
 
-- name: Cloudflare | Setup | Execute Python role
-  ansible.builtin.include_role:
-    name: "python"
-  vars:
-    python_version: "3.8"
-  when: ansible_distribution_version is version('22.04', '==')
+    - name: Cloudflare | Setup | Execute Python role
+      ansible.builtin.include_role:
+        name: "python"
+      vars:
+        python_version: "3.8"
+      when: ansible_distribution_version is version('22.04', '==')
 
-- name: Cloudflare | Setup | Check if venv folder exists
-  ansible.builtin.stat:
-    path: "{{ cloudflare_venv_path }}"
-  register: cloudflare_venv_folder
+    - name: Cloudflare | Setup | Check if venv folder exists
+      ansible.builtin.stat:
+        path: "{{ cloudflare_venv_path }}"
+      register: cloudflare_venv_folder
 
-- name: Cloudflare | Setup | Delete venv folder
-  ansible.builtin.file:
-    path: "{{ cloudflare_venv_path }}"
-    state: absent
-  when: cloudflare_venv_folder.stat.exists
+    - name: Cloudflare | Setup | Delete venv folder
+      ansible.builtin.file:
+        path: "{{ cloudflare_venv_path }}"
+        state: absent
+      when: cloudflare_venv_folder.stat.exists
 
-- name: Cloudflare | Setup | Install pip requirements
-  ansible.builtin.pip:
-    requirements: "{{ cloudflare_requirements_path }}"
-    virtualenv_python: "{{ cloudflare_python }}"
-    virtualenv: "{{ cloudflare_venv_path }}"
-  become: true
-  become_user: "{{ user.name }}"
+    - name: Cloudflare | Setup | Install pip requirements
+      ansible.builtin.pip:
+        requirements: "{{ cloudflare_requirements_path }}"
+        virtualenv_python: "{{ cloudflare_python }}"
+        virtualenv: "{{ cloudflare_venv_path }}"
+      become: true
+      become_user: "{{ user.name }}"
+
+  rescue:
+    - name: Cloudflare | Setup | Delete venv folder
+      ansible.builtin.file:
+        path: "{{ cloudflare_venv_path }}"
+        state: absent
+
+    - name: Cloudflare | Setup | Print Failure
+      ansible.builtin.fail:
+        msg:
+          - "Setting up the Cloudflare venv failed for some reason."
+          - "This usually means issues with apt. Make sure 'sudo apt update' and 'sudo apt upgrade' works before retrying."