feat(vmware): add hypervisor.node as unified placement field (replaces host)

roles/global_defaults/defaults/main.yml

@@ -46,7 +46,7 @@ hypervisor_defaults:
   url: ""
   username: ""
   password: ""
-  host: ""
+  node: ""
   storage: ""
   datacenter: ""
   cluster: ""
@@ -136,10 +136,10 @@ system_defaults:
 # All virtual types additionally require network bridge or interfaces.
 hypervisor_required_fields:
   proxmox:
-    hypervisor: [url, username, password, host, storage]
+    hypervisor: [url, username, password, node, storage]
     system: [id]
   vmware:
-    hypervisor: [url, username, password, datacenter, cluster, storage]
+    hypervisor: [url, username, password, datacenter, storage]
     system: []
   xen:
     hypervisor: []

roles/global_defaults/tasks/main.yml

@@ -32,7 +32,7 @@
       api_host: "{{ hypervisor_cfg.url }}"
       api_user: "{{ hypervisor_cfg.username }}"
       api_password: "{{ hypervisor_cfg.password }}"
-      node: "{{ hypervisor_cfg.host }}"
+      node: "{{ hypervisor_cfg.node }}"
   no_log: true
 
 - name: Normalize system inputs

roles/global_defaults/tasks/validation.yml

@@ -166,6 +166,23 @@
     label: "hypervisor.{{ item }}"
   no_log: true
 
+- name: Validate VMware placement (cluster or node required, mutually exclusive)
+  when:
+    - system_cfg.type == "virtual"
+    - hypervisor_type == "vmware"
+  ansible.builtin.assert:
+    that:
+      - >-
+        (hypervisor_cfg.cluster | default('') | string | length > 0)
+        or (hypervisor_cfg.node | default('') | string | length > 0)
+      - >-
+        (hypervisor_cfg.cluster | default('') | string | length == 0)
+        or (hypervisor_cfg.node | default('') | string | length == 0)
+    fail_msg: >-
+      VMware requires either hypervisor.cluster or hypervisor.node (mutually exclusive).
+      cluster targets a vSphere cluster; node targets a specific ESXi host.
+    quiet: true
+
 - name: Validate hypervisor-specific required system fields
   when:
     - system_cfg.type == "virtual"