refactor(vars): add system/hypervisor dict inputs

vars_example.yml

@@ -1,24 +1,32 @@
 ---
-# Set vm_ip for static addressing. Remove vm_ip to use DHCP.
-vm_ip: "{{ inventory_hostname }}"
+# Set system.ip for static addressing. Remove system.ip to use DHCP.
+system:
+  ip: "{{ inventory_hostname }}"
 
 install_type: "virtual"
 install_drive: "/dev/sda"  # Use /dev/vda for virtio/libvirt.
 custom_iso: false  # Set true to skip ArchISO-specific validation and pacman setup.
 cis: false  # Set true to enable CIS hardening.
 selinux: true  # Toggle SELinux where supported.
-firewalld_enabled: true  # Toggle firewalld package and service.
+firewall_enabled: true  # Toggle firewall package and service.
 
-hypervisor_url: "pve01.example.com"
-hypervisor_username: "root@pam"
-hypervisor_password: "CHANGE_ME"
-hypervisor_node: "pve01"
-hypervisor_storage: "local-lvm"
-hypervisor_datacenter: "dc01"
-hypervisor_cluster: "cluster01"
+hypervisor:
+  type: "proxmox" # libvirt|proxmox|vmware|xen|none
+  url: "pve01.example.com"
+  username: "root@pam"
+  password: "CHANGE_ME"
+  node: "pve01"
+  storage: "local-lvm"
+  datacenter: "dc01"
+  cluster: "cluster01"
+  validate_certs: false
+
+# Legacy (still supported): hypervisor_url, hypervisor_username, hypervisor_password, hypervisor_node, hypervisor_storage,
+# hypervisor_datacenter, hypervisor_cluster, hypervisor_validate_certs.
 
 # VMware (only needed when hypervisor: vmware)
-# vm_path: "/Folder"  # Optional folder path segment in vCenter.
+# system:
+#   path: "/Folder"  # Optional folder path segment in vCenter.
 vmware_ssh: true
 
 # LUKS disk encryption (optional)