feat(pb,role,task): generalize names of common pre_tasks and their variables, specifies LXC-specific ones

tasks/lxc_root_password_validation.yaml

@@ -0,0 +1,38 @@
+---
+
+- name: Set default password
+  ansible.builtin.set_fact:
+    lxc_root_password: "new-lxc-test" 
+
+- name: Prompt for password
+  ansible.builtin.pause:
+    prompt: "Enter password (letters, digits, hyphens, dots; max 253 chars) [new-lxc-test]"
+    echo: false
+  register: password_result_1
+  until: >
+    password_result_1.user_input | length == 0 or
+    (
+      password_result_1.user_input | length <= 253 and
+      password_result_1.user_input is regex('^[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$')
+    )
+  retries: 3
+  delay: 0
+
+- name: Prompt for password (confirmation) 
+  ansible.builtin.pause:
+    prompt: "Confirm your new password"
+    echo: no
+  register: password_result_2
+
+- name: Ensure passwords match
+  ansible.builtin.assert:
+    that:
+      - password_result_1.user_input == password_result_2.user_input
+    fail_msg: "Passwords do not match!"
+    success_msg: "Password confirmed."
+
+- name: Use user input only if provided, otherwise keep the default
+  ansible.builtin.set_fact:
+    lxc_root_password: "{{ password_result_1.user_input }}"
+  when: password_result_1.user_input | length > 0
+