---
####################################################################
# WARNING: These are designed specifically for Ansible tests       #
# and should not be used as examples of how to write Ansible roles #
####################################################################

- name: Get docker daemon information directly
  docker_host_info:
  register: output

- name: Make sure we got information
  assert:
    that:
      - 'output.host_info.Name is string'
      - 'output.containers is not defined'
      - 'output.networks is not defined'
      - 'output.volumes is not defined'
      - 'output.images is not defined'
      - 'output.disk_usage is not defined'

- name: Show contents of ~/.ssh
  command: ls -lah ~/.ssh
  ignore_errors: true

- name: Recover home directory on remote
  command: echo $HOME
  register: remote_home

- name: Print remote home directory
  debug:
    var: remote_home.stdout

- name: Create SSH config
  copy:
    dest: "{{ remote_home.stdout }}/.ssh/config"
    mode: '0600'
    content: |
      Host localhost
      User root
      IdentityFile ~/.ssh/id_rsa

- name: Get docker daemon information via ssh (paramiko) to localhost
  docker_host_info:
    docker_host: "ssh://root@localhost"
  register: output
  ignore_errors: true

- name: Make sure we got information
  assert:
    that:
      - 'output.host_info.Name is string'
      - 'output.containers is not defined'
      - 'output.networks is not defined'
      - 'output.volumes is not defined'
      - 'output.images is not defined'
      - 'output.disk_usage is not defined'
  when: output is succeeded or 'Install paramiko package to enable' not in output.msg
  # For whatever reason, even though paramiko is installed, *sometimes* this error
  # shows up. I have no idea why it sometimes works and sometimes not...

- name: Get docker daemon information via ssh (OpenSSH) to localhost
  docker_host_info:
    docker_host: "ssh://root@localhost"
    use_ssh_client: true
  register: output
  ignore_errors: true

- name: Make sure we got information
  assert:
    that:
      - output is succeeded
      - 'output.host_info.Name is string'
      - 'output.containers is not defined'
      - 'output.networks is not defined'
      - 'output.volumes is not defined'
      - 'output.images is not defined'
      - 'output.disk_usage is not defined'
  when: docker_py_version is version('4.4.0', '>=') and (output is succeeded or 'Install paramiko package to enable' not in output.msg)
  # For whatever reason, even though paramiko is installed, *sometimes* this error
  # shows up. I have no idea why it sometimes works and sometimes not...
  # (Also note that due to the way Docker SDK for Python has been written, SSH by
  # shell only works if paramiko is around...)

- name: Make sure we got information
  assert:
    that:
      - output is failed
      - "'use_ssh_client=True requires Docker SDK for Python 4.4.0 or newer' in output.msg"
  when: docker_py_version is version('4.4.0', '<')