Default advertise address

defaults/main.yml

@@ -4,8 +4,10 @@ docker_install: True
 docker_swarm: False
 docker_swarm_manager: False
 docker_swarm_manager_availability: 'drain'
+docker_swarm_manager_advertise_address: '{{ ansible_default_ipv4.address }}'
 docker_swarm_node: False
 docker_swarm_node_availability: 'active'
+docker_swarm_node_advertise_address: '{{ ansible_default_ipv4.address }}'
 docker_swarm_worker_hostname: '{{ ansible_fqdn }}'
 docker_swarm_allowed_hosts:
   - '0.0.0.0/0'

tasks/swarm_mgr.yml

@@ -10,6 +10,7 @@
   - name: Initialize the cluster
     docker_swarm:
       state: present
+      advertise_addr: '{{ +docker_swarm_manager_advertise_address }}'
   when:
     - docker_swarm_manager | bool
     - docker_swarm_manager_main_node | bool
@@ -34,7 +35,7 @@
   - name: Add some manager nodes to the docker swarm cluster
     docker_swarm:
       state: join
-      advertise_addr: '{{ ansible_default_ipv4.address }}'
+      advertise_addr: '{{ docker_swarm_node_advertise_address }}'
       join_token: '{{ docker_swarm_mgr_token }}'
       remote_addrs: [ '{{ docker_swarm_manager_main_node_hostname }}:2377' ]