Fix port issue as buildin. Setup reassigns the default vars

ansible/swarm-master.yml

@@ -28,11 +28,18 @@
           - Final address: {{ hostvars[groups['swarm_master'][0]]['ansible_host'] | default(groups['swarm_master'][0]) }}
           - With port: {{ hostvars[groups['swarm_master'][0]]['ansible_host'] | default(groups['swarm_master'][0]) }}:2377
         
+    - name: Debug master hostvars
+      debug:
+        msg: |
+          advertise_addr: {{ ansible_eth1.ipv4.address }}
+          ansible_eth0: {{ ansible_eth0.ipv4.address }}
+
     - name: Init a new swarm with default parameters
       community.docker.docker_swarm:
         state: present
         advertise_addr: "{{ ansible_eth1.ipv4.address }}"
-        listen_addr: "{{ ansible_eth1.ipv4.address }}"
+        # listen_addr: "{{ ansible_eth1.ipv4.address }}"
+        # data_path_addr: "{{ ansible_eth1.ipv4.address }}" 
 
     - name: print listen addr
       debug:

ansible/swarm-node.yml

@@ -43,11 +43,22 @@
         
         # Join token (first 10 chars): {{ worker_token[:10] }}...
 
+    - name: Debug IPs
+      debug:
+        msg: |
+          Current hostname: {{ inventory_hostname }}
+          ansible_eth1 full: {{ ansible_eth1 }}
+          ansible_eth1 ipv4: {{ ansible_eth1.ipv4 }}
+          ansible_eth1 ipv4 address: {{ ansible_eth1.ipv4.address }}
+          advertise_addr: {{ ansible_eth1.ipv4.address }}
+          ansible_eth0: {{ ansible_eth0.ipv4.address }}
     - name: Gather master facts
       ansible.builtin.setup:
       delegate_to: "{{ groups['swarm_master'][0] }}"
       run_once: true
       register: master_facts
+    - name: Regather node facts
+      ansible.builtin.setup:
       
     # - name: Debug master hostvars
     #   debug:
@@ -59,6 +70,13 @@
     #       Master ansible_default_ipv4: {{ master_facts.ansible_facts }}
     #       remote_addrs: {{ master_facts.ansible_facts ['ansible_eth1']['ipv4']['address'] }}
     #       advertise_addr: {{ ansible_eth1.ipv4.address }}
+      
+    - name: Debug IPs
+      debug:
+        msg: |
+          remote_addrs: {{ master_facts.ansible_facts['ansible_eth1']['ipv4']['address'] }}:2377
+          advertise_addr: {{ ansible_eth1.ipv4.address }}
+          ansible_eth0: {{ ansible_eth0.ipv4.address }}
 
     - name: Add nodes
       community.docker.docker_swarm:
@@ -67,5 +85,6 @@
         remote_addrs:
           - "{{ master_facts.ansible_facts['ansible_eth1']['ipv4']['address'] }}:2377"
         advertise_addr: "{{ ansible_eth1.ipv4.address }}" 
-        listen_addr: "{{ ansible_eth1.ipv4.address }}:2377"
+        # listen_addr: "{{ ansible_eth1.ipv4.address }}"     # You already added this
+        # data_path_addr: "{{ ansible_eth1.ipv4.address }}" 
         

test-usage/files/docker-compose.yml

@@ -121,6 +121,8 @@ services:
         - "traefik.http.routers.whoami.middlewares=whoami-stripprefix"
         # Expose the whoami port number to Traefik
         - "traefik.http.services.whoami.loadbalancer.server.port=80"
+      mode: replicated
+      replicas: 1
 
 # Define the overlay network for Swarm
 networks: