kubespray/roles/download/tasks/download_container.yml

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---
- name: container_download | Make download decision if pull is required by tag or sha256
include_tasks: set_docker_image_facts.yml
delegate_to: "{{ download_delegate if download_run_once or omit }}"
delegate_facts: no
run_once: "{{ download_run_once }}"
when:
- download.enabled
- download.container
- group_names | intersect(download.groups) | length
tags:
- facts
# FIXME(mattymo): In Ansible 2.4 omitting download delegate is broken. Move back
# to one task in the future.
- name: container_download | Download containers if pull is required or told to always pull (delegate)
command: "{{ docker_bin_dir }}/docker pull {{ pull_args }}"
register: pull_task_result
until: pull_task_result|succeeded
retries: 4
delay: "{{ retry_stagger | random + 3 }}"
when:
- download_run_once
- download.enabled
- download.container
- pull_required|default(download_always_pull)
- group_names | intersect(download.groups) | length
delegate_to: "{{ download_delegate }}"
delegate_facts: yes
run_once: yes
- name: container_download | Download containers if pull is required or told to always pull (all nodes)
command: "{{ docker_bin_dir }}/docker pull {{ pull_args }}"
register: pull_task_result
until: pull_task_result|succeeded
retries: 4
delay: "{{ retry_stagger | random + 3 }}"
when:
- not download_run_once
- download.enabled
- download.container
- pull_required|default(download_always_pull)
- group_names | intersect(download.groups) | length