ansible-role-docker/tasks/swarm_mgr.yml

---
- block:
  - debug:
      msg: "Tasks that set up the Swarm Manager nodes"

  when: docker_swarm_manager | bool
  tags: [ 'docker', 'docker_swarm' ]

- block:
  - 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
  tags: [ 'docker', 'docker_swarm', 'docker_swarm_init' ]

- block:
  - name: Get swarm status information
    docker_swarm:
      state: inspect
    register: swarm_info_data

  - name: Get the swarm manager token
    set_fact:
      docker_swarm_mgr_token: '{{ swarm_info_data.swarm_facts.JoinTokens.Manager }}'
      cacheable: True

  when: docker_swarm_manager
  delegate_to: '{{ docker_swarm_manager_main_node_address }}'
  tags: [ 'docker', 'docker_swarm' ]

- block:
  - name: Add some manager nodes to the docker swarm cluster
    docker_swarm:
      state: join
      advertise_addr: '{{ docker_swarm_node_advertise_address }}'
      join_token: '{{ docker_swarm_mgr_token }}'
      remote_addrs: [ '{{ docker_swarm_manager_main_node_hostname }}:2377' ]

  when:
    - docker_swarm_manager | bool
    - not docker_swarm_manager_main_node | bool
  tags: [ 'docker', 'docker_swarm', 'docker_swarm_mgr_nodes' ]

- block:
  - name: Set the swarm manager nodes availability. Default 'drain'
    docker_node:
      hostname: '{{ ansible_fqdn }}'
      availability: '{{ docker_swarm_manager_availability }}'

  when: docker_swarm_manager | bool
  tags: [ 'docker', 'docker_swarm', 'docker_swarm_mgr_nodes', 'docker_swarm_mgr_availability' ]