---
- block:
  - shell: "docker info --format '{% raw %}{{json .}}{% endraw %}' | python -m json.tool"

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

  - shell: "docker info --format '{% raw %}{{json .}}{% endraw %}' | python -m json.tool"

  - name: Create a Swarm cluster
    docker_swarm:
      state: present
      advertise_addr: "{{ansible_default_ipv4.address}}"

  - name: Parameter name should be required
    docker_config:
      state: present
    ignore_errors: yes
    register: output

  - name: assert failure when called with no name
    assert:
      that:
         - 'output.failed'
         - 'output.msg == "missing required arguments: name"'

  - name: Test parameters
    docker_config:
      name: foo
      state: present
    ignore_errors: yes
    register: output

  - name: assert failure when called with no data
    assert:
      that:
         - 'output.failed'
         - 'output.msg == "state is present but any of the following are missing: data, data_src"'

  - name: Create config
    docker_config:
      name: db_password
      data: opensesame!
      state: present
    register: output

  - name: Create variable config_id
    set_fact:
      config_id: "{{ output.config_id }}"

  - name: Inspect config
    command: "docker config inspect {{ config_id }}"
    register: inspect
    ignore_errors: yes

  - debug: var=inspect

  - name: assert config creation succeeded
    assert:
      that:
         - "'db_password' in inspect.stdout"
         - "'ansible_key' in inspect.stdout"
    when: inspect is not failed
  - assert:
      that:
         - "'is too new. Maximum supported API version is' in inspect.stderr"
    when: inspect is failed

  - name: Create config again
    docker_config:
      name: db_password
      data: opensesame!
      state: present
    register: output

  - name: assert create config is idempotent
    assert:
      that:
         - not output.changed

  - name: Write config into file
    copy:
      dest: "{{ remote_tmp_dir }}/data"
      content: |-
        opensesame!

  - name: Create config again (from file)
    docker_config:
      name: db_password
      data_src: "{{ remote_tmp_dir }}/data"
      state: present
    register: output

  - name: assert create config is idempotent
    assert:
      that:
         - not output.changed

  - name: Create config again (base64)
    docker_config:
      name: db_password
      data: b3BlbnNlc2FtZSE=
      data_is_b64: true
      state: present
    register: output

  - name: assert create config (base64) is idempotent
    assert:
      that:
         - not output.changed

  - name: Update config
    docker_config:
      name: db_password
      data: newpassword!
      state: present
    register: output

  - name: assert config was updated
    assert:
      that:
         - output.changed
         - output.config_id != config_id

  - name: Remove config
    docker_config:
      name: db_password
      state: absent

  - name: Check that config is removed
    command: "docker config inspect {{ config_id }}"
    register: output
    ignore_errors: yes

  - name: assert config was removed
    assert:
      that:
        - output.failed

  - name: Remove config
    docker_config:
      name: db_password
      state: absent
    register: output

  - name: assert remove config is idempotent
    assert:
      that:
        - not output.changed

# Rolling update

  - name: Create rolling config
    docker_config:
      name: rolling_password
      data: opensesame!
      rolling_versions: true
      state: present
    register: original_output

  - name: Create variable config_id
    set_fact:
      config_id: "{{ original_output.config_id }}"

  - name: Inspect config
    command: "docker config inspect {{ config_id }}"
    register: inspect
    ignore_errors: yes

  - debug: var=inspect

  - name: assert config creation succeeded
    assert:
      that:
         - "'rolling_password' in inspect.stdout"
         - "'ansible_key' in inspect.stdout"
         - "'ansible_version' in inspect.stdout"
         - original_output.config_name == 'rolling_password_v1'
    when: inspect is not failed
  - assert:
      that:
         - "'is too new. Maximum supported API version is' in inspect.stderr"
    when: inspect is failed

  - name: Create config again
    docker_config:
      name: rolling_password
      data: newpassword!
      rolling_versions: true
      state: present
    register: new_output

  - name: assert that new version is created
    assert:
      that:
         - new_output.changed
         - new_output.config_id != original_output.config_id
         - new_output.config_name != original_output.config_name
         - new_output.config_name == 'rolling_password_v2'

  - name: Remove rolling configs
    docker_config:
      name: rolling_password
      rolling_versions: true
      state: absent

  - name: Check that config is removed
    command: "docker config inspect {{ original_output.config_id }}"
    register: output
    ignore_errors: yes

  - name: assert config was removed
    assert:
      that:
        - output.failed

  - name: Check that config is removed
    command: "docker config inspect {{ new_output.config_id }}"
    register: output
    ignore_errors: yes

  - name: assert config was removed
    assert:
      that:
        - output.failed

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