Automatically determine bridge from configured IPs

tasks/main.yml

@@ -45,6 +45,22 @@
   ansible.builtin.set_fact:
     proxmox_vm_ipconfig_list: "{{ proxmox_vm_ipconfig is string | ternary([proxmox_vm_ipconfig], proxmox_vm_ipconfig) }}"  # noqa yaml[line-length]
 
+- name: "Collect subnets configured for this VM ({{ proxmox_vm_name }})"
+  ansible.builtin.set_fact:
+    proxmox_vm_net_list: >-
+      {{
+        proxmox_vm_ipconfig |
+        map('split', ',') |
+        flatten |
+        select('match', 'ip*') |
+        map('regex_replace', '^ip6?=', '') |
+        map('ansible.utils.ipaddr', 'subnet') |
+        map('extract', proxmox_vm_net_to_bridge) |
+        unique |
+        map('replace', '', 'bridge=', 1)
+      }}
+  when: proxmox_vm_net is undefined and proxmox_vm_net_to_bridge is defined
+
 - name: "Create new VM ({{ proxmox_vm_name }})"
   when: proxmox_vm_name not in proxmox_vm_existing
   ansible.builtin.include_tasks: create_vm.yml