Merge pull request #92 from redhatci/assisted-nat-network-mode

Assisted | Add support to NATted networks

roles/create_vms/defaults/main.yml

@@ -16,3 +16,6 @@ virt_packages:
 images_dir: /var/lib/libvirt/images/
 
 is_on_rhel9: "{{ (ansible_distribution_major_version == '9' and ansible_distribution == 'RedHat') | bool }}"
+
+# allowed modes: 'bridge', 'nat', using 'bridge' as default
+create_vms_network_mode: bridge

roles/create_vms/tasks/prepare_network.yml

@@ -1,6 +1,16 @@
 - name: Setup network
   become: true
   block:
+    - name: Check if the selected network mode is allowed
+      vars:
+        allowed_vm_network_modes:
+          - bridge
+          - nat
+      assert:
+        that:
+          - create_vms_network_mode in allowed_vm_network_modes
+        fail_msg: "{{ create_vms_network_mode }} is not a supported network mode"
+
     - name: define network
       community.libvirt.virt_net:
         name: "{{ network_name }}"

roles/create_vms/templates/network.xml.j2

@@ -1,6 +1,19 @@
 <network>
   <name>{{ network_name }}</name>
   <uuid>{{ net_uuid | default(99999999 | random | to_uuid) }}</uuid>
+
+{% if create_vms_network_mode == 'bridge' %}
+
   <forward mode='bridge'/>
   <bridge name='{{ vm_bridge_name }}'/>
+
+{% elif create_vms_network_mode == 'nat' %}
+
+  <forward mode='nat'/>
+  <bridge name='{{ vm_bridge_name }}' stp='on' delay='0'/>
+  <ip address="{{ machine_network_cidr | ansible.utils.ipaddr('next_usable') }}" />
+  <dns enable="no"/>
+
+{% endif %}
+
 </network>

roles/process_nmstate/templates/nmstate.yml.j2

@@ -10,6 +10,9 @@ dns-resolver:
 interfaces:
 {% for interface in network_config.interfaces %}
   - name: {{ interface.name }}
+    {% if interface.mac is defined %}
+    mac-address: {{ interface.mac }}
+    {% endif %}
     state: {{ interface.state | default('up') }}
     type: {{ interface.type | default('ethernet') }}
     {% if interface.addresses.ipv4 is defined %}