# This can be removed if we add this functionality to Zuul directly
- name: Load information from zuul_return
  when: buildset_registry is not defined
  set_fact:
    buildset_registry: "{{ (lookup('file', zuul.executor.work_root + '/results.json') | from_json)['buildset_registry'] }}"
- name: Ensure registry cert directory exists
  file:
    path: "/etc/docker/certs.d/{{ buildset_registry.host | ipwrap }}:{{ buildset_registry.port }}/"
    state: directory
- name: Write registry TLS certificate
  copy:
    content: "{{ buildset_registry.cert }}"
    dest: "/etc/docker/certs.d/{{ buildset_registry.host | ipwrap }}:{{ buildset_registry.port }}/ca.crt"


# Update user config for intermediate and buildset registries
- name: Ensure docker user directory exists
  file:
    state: directory
    path: "~/.docker"
    mode: 0700
- name: Check if docker user configuration exists
  stat:
    path: "~/.docker/config.json"
  register: docker_config_stat
- name: Load docker user configuration
  when: docker_config_stat.stat.exists
  slurp:
    path: "~/.docker/config.json"
  register: docker_config
- name: Parse docker user configuration
  when: docker_config_stat.stat.exists
  set_fact:
    docker_config: "{{ docker_config.content | b64decode | from_json }}"
- name: Set default docker user configuration
  when: not docker_config_stat.stat.exists
  set_fact:
    docker_config:
      auths: {}
- name: Add registry to docker user configuration
  vars:
    new_config:
      auths: |
        {
          "{{ intermediate_registry.host | ipwrap }}:{{ intermediate_registry.port }}":
            {"auth": "{{ (intermediate_registry.username + ":" + intermediate_registry.password) | b64encode }}"},
          "{{ buildset_registry.host | ipwrap }}:{{ buildset_registry.port }}":
            {"auth": "{{ (buildset_registry.username + ":" + buildset_registry.password) | b64encode }}"},
        }
  set_fact:
    new_docker_config: "{{ docker_config | combine(new_config, recursive=True) }}"
- name: Save docker user configuration
  copy:
    content: "{{ new_docker_config | to_nice_json }}"
    dest: "~/.docker/config.json"
    mode: 0600

# Pull the images
- name: Pull artifacts from intermediate registry
  block:
    - name: Pull artifacts from intermediate registry
      command: >-
        skopeo --insecure-policy copy
        {{ item.url }}
        docker://{{ buildset_registry.host | ipwrap }}:{{ buildset_registry.port }}/{{ item.metadata.repository }}:{{ item.metadata.tag }}
      when: "'metadata' in item and item.metadata.type | default('') == 'container_image'"
      loop: "{{ zuul.artifacts | default([]) }}"
  always:
    - name: Remove docker user config
      command: "shred ~/.docker/config.json"
    - name: Replace docker user configuration
      copy:
        content: "{{ docker_config | to_nice_json }}"
        dest: "~/.docker/config.json"
        mode: 0600