tripleo-ansible/tripleo_ansible/roles/octavia-undercloud/tasks/image_mgmt.yml

---
- name: check if name is a symlink
  stat:
    path: "{{ image_filename }}"
  register: symlnk_check

- name: bypass image naming logic if image name is provided (backwards-compatibility)
  set_fact:
    amphora_image: "{{ amphora_image_name }}"
  when:
    - amphora_image_name is defined
    - not ((amphora_image_name | length) < 1)

- name: set the actual glance image name if it is a symlink
  set_fact:
    amphora_image: "{{ (symlnk_check.stat.lnk_target | basename | splitext)[0] }}"
  when:
    - amphora_image is undefined
    - symlnk_check is defined and (symlnk_check.stat.islnk | bool)

- name: set the actual glance image name if it is not a symlink
  set_fact:
    amphora_image: "{{ (image_file_result.stat.path | basename | splitext)[0] }}"
  when:
    - amphora_image is undefined
    - (image_file_result.stat.exists | bool) and (not (symlnk_check.stat.islnk | bool))

- name: gather facts about the service project
  shell: |
    openstack project show "{{ auth_project_name }}" -c id -f value    
  register: project_id_result

- name: check there's an image in glance already
  shell: |
    openstack image list --property owner={{ project_id_result.stdout }} --private --name {{ amphora_image }} -c ID -f value    
  environment:
    OS_USERNAME: "{{ auth_username }}"
    OS_PASSWORD: "{{ auth_password }}"
    OS_PROJECT_NAME: "{{ auth_project_name }}"
  register: glance_id_result
  failed_when: false

- name: set image id fact
  set_fact:
    image_id: "{{ glance_id_result.stdout }}"
  when:
    - glance_id_result.rc is defined
    - glance_id_result.rc == 0
    - (glance_id_result.stdout | length) > 0

- name: get checksum if there's an image in glance already
  shell: |
    openstack image show {{ glance_id_result.stdout }} -c checksum -f value    
  environment:
    OS_USERNAME: "{{ auth_username }}"
    OS_PASSWORD: "{{ auth_password }}"
    OS_PROJECT_NAME: "{{ auth_project_name }}"
  when:
    - image_id is defined
  register: glance_results
  failed_when: false

- name: set current_md5 fact from glance if image already exists there
  set_fact:
    current_md5: "{{ glance_results.stdout }}"
  when:
    - glance_results.rc is defined
    - glance_results.rc == 0

- name: determine if the image needs to be replaced
  set_fact:
    replace_image: "{{ current_md5 != image_file_result.stat.md5 }}"
  when:
    - current_md5 is defined

- name: move existing image if the names match and the md5s are not the same
  shell: |
    ts=`openstack image show {{ image_id }} -f value -c created_at`
    ts=${ts//:/}
    ts=${ts//-/}
    openstack image set {{ image_id }} --name "{{ amphora_image }}_$ts"    
  environment:
    OS_USERNAME: "{{ auth_username }}"
    OS_PASSWORD: "{{ auth_password }}"
    OS_PROJECT_NAME: "{{ auth_project_name }}"
  when:
    - replace_image is defined and replace_image | bool

- name: decide whether to upload new image
  set_fact:
    upload_image: true
  when:
    - (current_md5 is not defined) or (replace_image is defined and replace_image | bool)

- block:
    - name: create temporary directory
      tempfile:
        state: directory
      register: amp_tmp_dir

    - name: set RAW file name
      set_fact:
        raw_filename: "{{ amp_tmp_dir.path }}/{{ image_filename|splitext|first|basename }}.img"

    - name: convert image from qcow2 to raw
      shell: |
        qemu-img convert -f qcow2 -O raw {{ image_filename }} {{ raw_filename }}        

    - name: setting amphora format to raw
      set_fact:
        raw_format: raw
  when:
    - amp_to_raw | bool

- name: upload image to glance
  shell: |
    openstack image create --disk-format {{ raw_format|default('qcow2') }} \
      --container-format bare --tag {{ amp_image_tag }} \
      --file {{ raw_filename|default(image_filename) }} \
      --property hw_architecture={{ amp_hw_arch }} \
      --private {{ amphora_image }}    
  environment:
    OS_USERNAME: "{{ auth_username }}"
    OS_PASSWORD: "{{ auth_password }}"
    OS_PROJECT_NAME: "{{ auth_project_name }}"
  register: image_result
  changed_when: (image_result.stdout | length) < 1
  when:
    - image_file_result.stat.exists | bool
    - upload_image is defined

- name: delete converted raw image
  file:
    path: "{{ amp_tmp_dir.path }}"
    state: absent
  when:
    - amp_to_raw | bool