---
# Copyright (c) Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later

- block:
    - name: Make sure we're not already using Docker swarm
      community.docker.docker_swarm:
        state: absent
        force: true

    - name: Create a Swarm cluster
      community.docker.docker_swarm:
        state: present
        advertise_addr: "{{ ansible_default_ipv4.address | default('127.0.0.1') }}"

    - name: install docker_stack python requirements
      ansible.builtin.pip:
        name: jsondiff,pyyaml

    - name: Create a stack without name
      register: output
      community.docker.docker_stack:  # noqa: args[module]
        state: present
      ignore_errors: true

    - name: assert failure when name not set
      ansible.builtin.assert:
        that:
          - output is failed
          - 'output.msg == "missing required arguments: name"'

    - name: Create a stack without compose
      register: output
      community.docker.docker_stack:
        name: test_stack
      ignore_errors: true

    - name: assert failure when compose not set
      ansible.builtin.assert:
        that:
          - output is failed
          - 'output.msg == "compose parameter must be a list containing at least one element"'

    - name: Ensure stack is absent
      register: output
      community.docker.docker_stack:
        state: absent
        name: test_stack
        absent_retries: 30

    - name: Template compose files
      ansible.builtin.template:
        src: "{{ item }}"
        dest: "{{ remote_tmp_dir }}/"
      with_items:
        - stack_compose_base.yml
        - stack_compose_overrides.yml

    - name: Create stack with compose file
      register: output
      community.docker.docker_stack:
        state: present
        name: test_stack
        compose:
          - "{{ remote_tmp_dir }}/stack_compose_base.yml"

    - name: assert test_stack changed on stack creation with compose file
      ansible.builtin.assert:
        that:
          - output is changed

    # FIXME: updating the stack prevents leaving the swarm on Shippable
    # - name: Update stack with YAML
    #   register: output
    #   docker_stack:
    #     state: present
    #     name: test_stack
    #     compose:
    #     - "{{ stack_compose_base }}"
    #     - "{{ stack_compose_overrides }}"
    #
    # - name: assert test_stack correctly changed on update with yaml
    #   assert:
    #     that:
    #     - output is changed
    #     - output.stack_spec_diff == stack_update_expected_diff

    - name: Delete stack
      register: output
      community.docker.docker_stack:
        state: absent
        name: test_stack
        absent_retries: 30

    - name: assert delete of existing stack returns changed
      ansible.builtin.assert:
        that:
          - output is changed

    - name: Delete stack again
      register: output
      community.docker.docker_stack:
        state: absent
        name: test_stack
        absent_retries: 30

    - name: assert state=absent idempotency
      ansible.builtin.assert:
        that:
          - output is not changed

  always:
    - name: Remove a Swarm cluster
      community.docker.docker_swarm:
        state: absent
        force: true