feat(network): make interfaces[] canonical, normalize flat fields as AWX compat

roles/virtualization/templates/cloud-network-config.yml.j2

@@ -1,21 +1,23 @@
 network:
   version: 2
   ethernets:
-    id0:
-      match:
-        macaddress: "{{ virtualization_mac_address }}"
-{% set has_static = system_cfg.network.ip is defined and system_cfg.network.ip | string | length %}
 {% set dns_list = system_cfg.network.dns.servers | default([]) %}
 {% set search_list = system_cfg.network.dns.search | default([]) %}
+{% for iface in system_cfg.network.interfaces %}
+{% set iface_mac = '52:54:00' | community.general.random_mac(seed=hostname if loop.index0 == 0 else hostname ~ '-nic' ~ loop.index0) %}
+{% set has_static = (iface.ip | default('') | string | length) > 0 %}
+    id{{ loop.index0 }}:
+      match:
+        macaddress: "{{ iface_mac }}"
 {% if has_static %}
       addresses:
-        - "{{ system_cfg.network.ip }}/{{ system_cfg.network.prefix }}"
-{% if system_cfg.network.gateway is defined and system_cfg.network.gateway | string | length %}
-      gateway4: "{{ system_cfg.network.gateway }}"
+        - "{{ iface.ip }}/{{ iface.prefix }}"
+{% if iface.gateway | default('') | string | length %}
+      gateway4: "{{ iface.gateway }}"
 {% endif %}
 {% else %}
       dhcp4: true
-{% if dns_list | length or search_list | length %}
+{% if loop.index0 == 0 and (dns_list | length or search_list | length) %}
       dhcp4-overrides:
 {% if dns_list | length %}
         use-dns: false
@@ -25,7 +27,7 @@ network:
 {% endif %}
 {% endif %}
 {% endif %}
-{% if dns_list or search_list %}
+{% if loop.index0 == 0 and (dns_list or search_list) %}
       nameservers:
 {% if dns_list %}
         addresses:
@@ -40,3 +42,4 @@ network:
 {% endfor %}
 {% endif %}
 {% endif %}
+{% endfor %}

roles/virtualization/templates/vm.xml.j2

@@ -46,11 +46,13 @@
       <target dev="sdc" bus="sata"/>
     </disk>
     {% endif %}
+    {% for iface in system_cfg.network.interfaces %}
     <interface type='network'>
-      <mac address="{{ virtualization_mac_address }}"/>
-      <source network='{{ system_cfg.network.bridge if (system_cfg.network.bridge | default('' ) | string | length) > 0 else "default" }}'/>
+      <mac address="{{ '52:54:00' | community.general.random_mac(seed=hostname if loop.index0 == 0 else hostname ~ '-nic' ~ loop.index0) }}"/>
+      <source network='{{ iface.bridge | default("default") }}'/>
       <model type='virtio'/>
     </interface>
+    {% endfor %}
     {% if virtualization_tpm2_enabled %}
     <tpm model='tpm-crb'>
       <backend type='emulator' version='2.0'/>