[adoption_osp_deploy] Add compressed IPv6 format

Add compressed IPv6 format to os_net_config_overcloud.yml.j2
for ipv6 adoption jobs.
It wouldn't affect IPv4 jobs.

Assisted-By: Cursor-claude-4-sonnet

Signed-off-by: Fiorella Yanac <fyanac@redhat.com>

Author: fyanac

roles/adoption_osp_deploy/templates/os_net_config_overcloud.yml.j2

@@ -6,17 +6,17 @@ network_config:
   use_dhcp: false
   dns_servers:
   {% for _dns_ip in _dns_server | default([]) %}
-  - {{ _dns_ip }}
+  - {{ _dns_ip | ansible.utils.ipaddr('address') }}
   {% endfor %}
-  - {{ _gateway_ip }}
+  - {{ _gateway_ip | ansible.utils.ipaddr('address') }}
   domain: []
   addresses:
-  - ip_netmask: {{ _ctlplane_ip }}/{{ _ctlplane_cidr }}
+  - ip_netmask: {{ _ctlplane_ip | ansible.utils.ipaddr('address') }}/{{ _ctlplane_cidr }}
   {% if _stack.routes is defined %}
   routes:
   {% for route in _stack.routes %}
     - ip_netmask: {{ route.ip_netmask }}
-      next_hop: {{ route.next_hop }}
+      next_hop: {{ route.next_hop | ansible.utils.ipaddr('address') }}
       default: {{ route.default }}
   {% endfor %}
   {% else %}
@@ -36,12 +36,12 @@ network_config:
     mtu: {{ net.mtu }}
     vlan_id: {{ net.vlan_id }}
     addresses:
-    - ip_netmask: {{ net[ip_version|default('ip_v4')] }}/{{ net[prefix_length_version|default('prefix_length_v4')] }}
+    - ip_netmask: {{ net[ip_version|default('ip_v4')] | ansible.utils.ipaddr('address') }}/{{ net[prefix_length_version|default('prefix_length_v4')] }}
     {% if _stack.network_routes is defined and network_name in _stack.network_routes %}
     routes:
     {% for route in _stack.network_routes[network_name] %}
       - ip_netmask: {{ route.ip_netmask }}
-        next_hop: {{ route.next_hop }}
+        next_hop: {{ route.next_hop | ansible.utils.ipaddr('address') }}
     {% endfor %}
     {% else %}
     routes: []
@@ -54,7 +54,7 @@ network_config:
 - type: ovs_bridge
   name: br-baremetal
   addresses:
-  - ip_netmask: {{ net[ip_version|default('ip_v4')] }}/{{ net[prefix_length_version|default('prefix_length_v4')] }}
+  - ip_netmask: {{ net[ip_version|default('ip_v4')] | ansible.utils.ipaddr('address') }}/{{ net[prefix_length_version|default('prefix_length_v4')] }}
   use_dhcp: false
   routes: []
   members: