fix: use private network IPs for k3s join and node addressing

ansible/site.yml

@@ -21,6 +21,7 @@
     k3s_primary: true
     k3s_token: "{{ lookup('password', '/dev/null length=32 chars=ascii_letters,digits') }}"
     k3s_primary_ip: "{{ ansible_all_ipv4_addresses | select('match', '^10\\.') | first }}"
+    k3s_node_ip: "{{ ansible_all_ipv4_addresses | select('match', '^10\\.') | first }}"
 
   roles:
     - k3s-server
@@ -56,7 +57,8 @@
   vars:
     k3s_primary: false
     k3s_token: "{{ hostvars[groups['control_plane'][0]]['k3s_token'] }}"
-    k3s_primary_ip: "{{ hostvars[groups['control_plane'][0]]['ansible_default_ipv4']['address'] }}"
+    k3s_primary_ip: "{{ hostvars[groups['control_plane'][0]]['k3s_primary_ip'] }}"
+    k3s_node_ip: "{{ ansible_all_ipv4_addresses | select('match', '^10\\.') | first }}"
 
   roles:
     - k3s-server
@@ -67,7 +69,8 @@
 
   vars:
     k3s_token: "{{ hostvars[groups['control_plane'][0]]['k3s_token'] }}"
-    k3s_server_url: "https://{{ hostvars[groups['control_plane'][0]]['ansible_default_ipv4']['address'] }}:6443"
+    k3s_server_url: "https://{{ hostvars[groups['control_plane'][0]]['k3s_primary_ip'] }}:6443"
+    k3s_node_ip: "{{ ansible_all_ipv4_addresses | select('match', '^10\\.') | first }}"
 
   roles:
     - k3s-agent