---
- name: Check that OpenStack credentials exist in the environment
  fail:
    msg: >
      $OS_USERNAME was not found in the environment. Ensure the OpenStack
      credentials exist in your environment, perhaps by sourcing your RC file.
  when: not lookup('env', 'OS_USERNAME')

# This is useful to get a uniquely generated temporary path.
- name: Create temporary file for pip requirements
  tempfile:
  register: req_file

- name: Copy requirements file to temporary location
  copy:
    src: requirements.txt
    dest: "{{ req_file.path }}"

- name: Ensure Python requirements are installed
  pip:
    requirements: "{{ req_file.path }}"
    extra_args: >-
      -c {{ ironic_python_upper_constraints_url }}
    virtualenv: "{{ ironic_virtualenv_path }}"

# This command will return the UUIDs, regardless of whether
# ironic_deploy_kernel and ironic_deploy_ramdisk are image UUIDs or names.
- name: Get OpenStack deployment image UUIDs
  command: >-
    '{{ ironic_virtualenv_path }}/bin/openstack' image show
      '{{ item }}' --format value --column id
  loop:
    - "{{ ironic_deploy_kernel }}"
    - "{{ ironic_deploy_ramdisk }}"
  # ironic_deploy_kernel/ramdisk default to none. We don't need to know them
  # for enrolment to continue.
  when:
    - item is not none
    - item != ""
  register: deploy_image_ids
  changed_when: false

- name: Configure Ironic node enrolment
  include_tasks: node.yml
  vars:
    node: "{{ ironic_node }}"
    ipmi_port: >-
      {{ hostvars[ironic_hypervisor].ipmi_port_range_start + port_offset }}
    ironic_deploy_kernel_uuid: >-
      {{ deploy_image_ids.results.0.stdout | default(ironic_deploy_kernel) }}
    ironic_deploy_ramdisk_uuid: >-
      {{ deploy_image_ids.results.1.stdout | default(ironic_deploy_ramdisk) }}
  loop: "{{ ironic_nodes | sort(attribute='name') }}"
  loop_control:
    loop_var: ironic_node
    index_var: port_offset
  # If no ironic_config options were set, this means that enrolment should not
  # be performed.
  when: "'ironic_config' in ironic_node"