refactor(vars): remove legacy variable inputs

roles/global_defaults/tasks/hypervisor.yml

@@ -1,42 +1,26 @@
 ---
-- name: Validate hypervisor dict input
-  when: hypervisor is mapping
+- name: Ensure hypervisor input is a dictionary
+  ansible.builtin.set_fact:
+    hypervisor: "{{ hypervisor | default({}) }}"
+  changed_when: false
+
+- name: Validate hypervisor input
   ansible.builtin.assert:
     that:
+      - hypervisor is mapping
       - hypervisor.type is defined
       - hypervisor.type | string | length > 0
-    fail_msg: "hypervisor.type is required when hypervisor is a dictionary"
+    fail_msg: "hypervisor must be a dictionary and hypervisor.type must be set (e.g. libvirt|proxmox|vmware|xen|none)."
     quiet: true
 
 - name: Normalize hypervisor configuration
   vars:
-    hypervisor_input: "{{ hypervisor if hypervisor is mapping else {} }}"
-    hypervisor_type_legacy: "{{ (hypervisor | default('none')) if hypervisor is string else '' }}"
-    hypervisor_legacy_cfg:
-      type: "{{ hypervisor_type_legacy }}"
-      url: "{{ hypervisor_url | default('') }}"
-      username: "{{ hypervisor_username | default('') }}"
-      password: "{{ hypervisor_password | default('') }}"
-      node: "{{ hypervisor_node | default('') }}"
-      storage: "{{ hypervisor_storage | default('') }}"
-      datacenter: "{{ hypervisor_datacenter | default('') }}"
-      cluster: "{{ hypervisor_cluster | default('') }}"
-      validate_certs: "{{ hypervisor_validate_certs | default(false) | bool }}"
     hypervisor_cfg_effective: >-
       {{
         hypervisor_defaults
-        | combine(hypervisor_legacy_cfg, recursive=True)
-        | combine(hypervisor_input, recursive=True)
+        | combine(hypervisor, recursive=True)
       }}
   ansible.builtin.set_fact:
     hypervisor_cfg: "{{ hypervisor_cfg_effective }}"
-    hypervisor: "{{ hypervisor_cfg_effective.type | string | lower }}"
-    hypervisor_url: "{{ hypervisor_cfg_effective.url }}"
-    hypervisor_username: "{{ hypervisor_cfg_effective.username }}"
-    hypervisor_password: "{{ hypervisor_cfg_effective.password }}"
-    hypervisor_node: "{{ hypervisor_cfg_effective.node }}"
-    hypervisor_storage: "{{ hypervisor_cfg_effective.storage }}"
-    hypervisor_datacenter: "{{ hypervisor_cfg_effective.datacenter }}"
-    hypervisor_cluster: "{{ hypervisor_cfg_effective.cluster }}"
-    hypervisor_validate_certs: "{{ hypervisor_cfg_effective.validate_certs | bool }}"
+    hypervisor_type: "{{ hypervisor_cfg_effective.type | string | lower }}"
   changed_when: false