HetznerTerra/ansible/roles/rancher-image-prepull/tasks/main.yml

---
- name: Pre-pull Rancher images into containerd
  command: timeout 180s /usr/local/bin/ctr -n k8s.io images pull {{ item }}
  register: rancher_image_pull
  loop: "{{ rancher_images_to_prepull }}"
  retries: 6
  delay: 20
  until: rancher_image_pull.rc == 0
  changed_when: rancher_image_pull.rc == 0
  failed_when: false

- name: Report Rancher images that did not pre-pull after retries
  debug:
    msg: >-
      Best-effort Rancher image pre-pull did not complete for {{ item.item }} after
      {{ item.attempts | default(1) }} attempt(s): {{ item.stderr | default('no stderr') }}
  loop: "{{ rancher_image_pull.results | default([]) }}"
  loop_control:
    label: "{{ item.item }}"
  when: item.rc is defined and item.rc != 0