playbooks/roles/swarm_cluster/swarm_init/tasks/main.yml


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---

- name: Check Docker Swarm Status
  ansible.builtin.command: docker info --format '{{ "{{.Swarm.LocalNodeState}}" }}'
  register: docker_swarm_status
  changed_when: false

- name: Initialize Docker Swarm if Inactive
  ansible.builtin.command:
    cmd: docker swarm init --advertise-addr "{{ ansible_default_ipv4.address }}"
  when: docker_swarm_status.stdout == "inactive"
  register: swarm_init
  changed_when: '"Swarm initialized" in swarm_init.stdout'

- name: Retrieve Docker Swarm Manager Token
  ansible.builtin.command: docker swarm join-token manager -q
  register: manager_token
  changed_when: false