ansible-role-docker/tasks/swarm_node.yml

---
- block:
  - debug:
      msg: "Tasks that setup the Swarm worker nodes"

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

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

  - name: Get the swarm worker node token
    set_fact:
      docker_swarm_worker_token: '{{ swarm_info_data.swarm_facts.JoinTokens.Worker }}'
      cacheable: True

  when: docker_swarm_node | bool
  delegate_to: '{{ docker_swarm_manager_main_node_hostname }}'
  tags: [ 'docker', 'docker_swarm' ]

- block:
  - name: Add worker nodes to the docker swarm cluster
    docker_swarm:
      state: join
      advertise_addr: '{{ ansible_default_ipv4.address }}'
      join_token: '{{ docker_swarm_worker_token }}'
      remote_addrs: [ '{{ docker_swarm_manager_main_node_hostname }}:2377' ]

  when: docker_swarm_node | bool
  tags: [ 'docker', 'docker_swarm', 'docker_swarm_worker_nodes' ]

- block:
  - name: Set the swarm nodes availability. Default 'active'
    docker_node:
      hostname: '{{ ansible_hostname }}'
      availability: '{{ docker_swarm_node_availability }}'

  when: docker_swarm_node | bool
  delegate_to: '{{ docker_swarm_manager_main_node_hostname }}'
  tags: [ 'docker', 'docker_swarm', 'docker_swarm_worker_nodes', 'docker_swarm_worker_nodes_availability' ]

- name: Manage labels
  block:
  - name: Manage the swarm nodes labels
    docker_node:
      hostname: '{{ ansible_hostname }}'
      labels:
        "{{ item.key }}": '{{ item.value }}'
      labels_state: '{{ docker_label_state_mode }}'
    with_items: '{{ docker_node_labels }}'

  when: docker_swarm_node | bool
  delegate_to: '{{ docker_swarm_manager_main_node_hostname }}'
  tags: [ 'docker', 'docker_swarm', 'docker_swarm_worker_nodes', 'docker_nodes_labels' ]