kubespray/roles/download/tasks/prep_kubeadm_images.yml

---
- name: prep_kubeadm_images | Check kubeadm version matches kubernetes version
  fail:
    msg: "Kubeadm version {{ kubeadm_version }} do not matches kubernetes {{ kube_version }}"
  when:
    - not skip_downloads | default(false)
    - not kubeadm_version == downloads.kubeadm.version

- name: prep_kubeadm_images | Download kubeadm binary
  include_tasks: "download_file.yml"
  vars:
    download: "{{ download_defaults | combine(downloads.kubeadm) }}"
  when:
    - not skip_downloads | default(false)
    - downloads.kubeadm.enabled

- name: prep_kubeadm_images | Create kubeadm config
  template:
    src: "kubeadm-images.yaml.j2"
    dest: "{{ kube_config_dir }}/kubeadm-images.yaml"
  when:
    - not skip_kubeadm_images|default(false)

- name: prep_kubeadm_images | Copy kubeadm binary from download dir to system path
  copy:
    src: "{{ local_release_dir }}/kubeadm-{{ kubeadm_version }}-{{ image_arch }}"
    dest: "{{ bin_dir }}/kubeadm"
    mode: 0755
    remote_src: true

- name: prep_kubeadm_images | Set kubeadm binary permissions
  file:
    path: "{{ bin_dir }}/kubeadm"
    mode: "0755"
    state: file

- name: prep_kubeadm_images | Generate list of required images
  shell: "set -o pipefail && {{ bin_dir }}/kubeadm config images list --config={{ kube_config_dir }}/kubeadm-images.yaml | grep -Ev 'coredns|pause'"
  args:
    executable: /bin/bash
  register: kubeadm_images_raw
  run_once: true
  changed_when: false
  when:
    - not skip_kubeadm_images|default(false)

- name: prep_kubeadm_images | Parse list of images
  vars:
    kubeadm_images_list: "{{ kubeadm_images_raw.stdout_lines }}"
  set_fact:
    kubeadm_image:
      key: "kubeadm_{{ (item | regex_replace('^(?:.*\\/)*','')).split(':')[0] }}"
      value:
        enabled: true
        container: true
        repo: "{{ item | regex_replace('^(.*):.*$','\\1') }}"
        tag: "{{ item | regex_replace('^.*:(.*)$','\\1') }}"
        groups: k8s-cluster
  loop: "{{ kubeadm_images_list | flatten(levels=1) }}"
  register: kubeadm_images_cooked
  run_once: true
  when:
    - not skip_kubeadm_images|default(false)

- name: prep_kubeadm_images | Convert list of images to dict for later use
  set_fact:
    kubeadm_images: "{{ kubeadm_images_cooked.results | map(attribute='ansible_facts.kubeadm_image') | list | items2dict }}"
  run_once: true
  when:
    - not skip_kubeadm_images|default(false)