- name: Create server
  openstack.cloud.server:
    cloud: "{{ cloud }}"
    state: present
    name: "{{ server_name }}"
    image: "cirros-0.5.2-x86_64-disk"
    flavor: "{{ flavor_name }}"
    network: "{{ server_network }}"
    auto_ip: false
    wait: true
  register: server

- name: Create volume
  openstack.cloud.volume:
    cloud: "{{ cloud }}"
    state: present
    size: 1
    name: ansible_volume
    wait: true
  register: volume

- name: Attach volume to server
  openstack.cloud.server_volume:
    cloud: "{{ cloud }}"
    server: "{{ server.server.id }}"
    volume: "{{ volume.volume.id }}"
    wait: true
  register: server_volume

- name: Assert changed
  assert:
    that: server_volume is changed

- name: Assert return values of server_volume module
  assert:
    that:
      # allow new fields to be introduced but prevent fields from being removed
      - expected_fields|difference(server_volume.volume.keys())|length == 0

- name: Attach volume to server again
  openstack.cloud.server_volume:
    cloud: "{{ cloud }}"
    server: "{{ server.server.id }}"
    volume: "{{ volume.volume.id }}"
    wait: true
  register: server_volume

- name: Assert not changed
  assert:
    that: server_volume is not changed

- name: Detach volume to server
  openstack.cloud.server_volume:
    cloud: "{{ cloud }}"
    state: absent
    server: "{{ server.server.id }}"
    volume: "{{ volume.volume.id }}"
    wait: true
  register: server_volume

- name: Assert changed
  assert:
    that: server_volume is changed

- name: Detach volume to server again
  openstack.cloud.server_volume:
    cloud: "{{ cloud }}"
    state: absent
    server: "{{ server.server.id }}"
    volume: "{{ volume.volume.id }}"
    wait: true
  register: server_volume

- name: Assert not changed
  assert:
    that: server_volume is not changed

- name: Delete volume
  openstack.cloud.volume:
    cloud: "{{ cloud }}"
    state: absent
    name: ansible_volume
    wait: true

- name: Delete server
  openstack.cloud.server:
    cloud: "{{ cloud }}"
    state: absent
    name: "{{ server_name }}"
    wait: true