generate-magnum-capi-templates.yml

---
- name: Generate cluster templates
  hosts: localhost
  vars:
    root_dir: ../
  tasks:

  - name: Check that required variables are defined
    assert:
      that:
        - magnum_default_master_flavor_name is defined
        - magnum_default_worker_flavor_name is defined
        - magnum_external_net_name is defined
        - magnum_loadbalancer_provider is defined

  - name: Fetch capi-helm-charts release information
    ansible.builtin.uri:
      url: https://api.github.com/repos/stackhpc/capi-helm-charts/releases/latest
    register: capi_helm_chart_release_data

  - name: Fetch dependencies.json for capi-helm-charts release
    ansible.builtin.uri:
      url: https://raw.githubusercontent.com/stackhpc/capi-helm-charts/{{ capi_helm_chart_release_data.json.tag_name }}/dependencies.json
    register: dependencies_response

  - name: Ensure wget packages is installed
    become: true
    package:
      name: wget
      state: present

  - name: Fetch manifest.json for capi-helm-charts images
    # ansible.builtin.uri:
    #   url: https://raw.githubusercontent.com/stackhpc/azimuth-images/{{ dependencies_response.json['azimuth-images'] }}/manifest.json
    # Above URL returns 404 even though similar URL for capi-helm-charts repo works fine
    # Not sure why but fall back to wget + JSON parsing for now.
    shell: "wget -O - https://github.com/stackhpc/azimuth-images/releases/download/{{ dependencies_response.json['azimuth-images'] }}/manifest.json"
    register: manifest_response
    changed_when: false

  - name: Parse JSON response
    set_fact:
      new_template_data: "{{ manifest_response.stdout | from_json | dict2items | selectattr('key', 'match', 'kubernetes*') | list }}"

  - name: Ensure output dir exists
    ansible.builtin.file:
      path: "{{ [root_dir, 'generated-magnum-snippets', now(utc=true,fmt='%Y-%m-%d-T%H-%M-%S')] | path_join }}"
      state: directory
      mode: '0755'
    register: output_dir

  - name: Write new image config to file
    template:
      src: "magnum-capi-images.j2"
      dest: "{{ output_dir.path }}/images.yml"

  - name: Write new cluster template config to file
    template:
      src: "magnum-capi-templates.j2"
      dest: "{{ output_dir.path }}/templates.yml"