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Add download_always_pull check and sha256 for docker images

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Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
This commit is contained in:
Bogdan Dobrelya
2016-12-19 15:50:04 +01:00
parent 11380769cd
commit b8bc8eee41
5 changed files with 113 additions and 22 deletions
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33
roles/download/tasks/main.yml
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@@ -39,11 +39,6 @@
mode: "{{ download.mode|default(omit) }}"
when: "{{ download.enabled|bool and not download.container|bool and (download.unarchive is not defined or download.unarchive == False) }}"
- name: pulling...
debug:
msg: "{{ download.repo }}:{{ download.tag }}"
when: "{{ download.enabled|bool and download.container|bool }}"
- set_fact:
download_delegate: "{% if download_localhost %}localhost{% else %}{{groups['kube-master'][0]}}{% endif %}"
tags: facts
@@ -70,29 +65,41 @@
when: "{{ download_run_once|bool and download.enabled|bool and download.container|bool and download_delegate == 'localhost' }}"
tags: localhost
- name: Make download decision if pull is required by tag or sha256
include: set_docker_image_facts.yml
when: "{{ download.enabled|bool and download.container|bool }}"
delegate_to: "{{ download_delegate if download_run_once|bool else inventory_hostname }}"
run_once: "{{ download_run_once|bool }}"
tags: facts
- name: pulling...
debug:
msg: "{{ pull_args }}"
when: "{{ download.enabled|bool and download.container|bool }}"
#NOTE(bogdando) this brings no docker-py deps for nodes
- name: Download containers
command: "/usr/bin/docker pull {{ download.repo }}:{{ download.tag }}"
- name: Download containers if pull is required or told to always pull
command: "/usr/bin/docker pull {{ pull_args }}"
register: pull_task_result
until: pull_task_result|success
retries: 4
delay: "{{ retry_stagger | random + 3 }}"
when: "{{ download.enabled|bool and download.container|bool }}"
when: "{{ download.enabled|bool and download.container|bool and pull_required|bool|default(download_always_pull) }}"
delegate_to: "{{ download_delegate if download_run_once|bool else inventory_hostname }}"
run_once: "{{ download_run_once|bool }}"
- set_fact:
fname: "{{local_release_dir}}/containers/{{download.repo|regex_replace('/|\0|:', '_')}}:{{download.tag|regex_replace('/|\0|:', '_')}}.tar"
fname: "{{local_release_dir}}/containers/{{download.repo|regex_replace('/|\0|:', '_')}}:{{download.tag|default(download.sha256)|regex_replace('/|\0|:', '_')}}.tar"
tags: facts
- name: "Set default value for 'container_changed' to false"
set_fact:
container_changed: false
container_changed: "{{pull_required|bool|default(false)}}"
- name: "Update the 'container_changed' fact"
set_fact:
container_changed: "{{ not 'up to date' in pull_task_result.stdout }}"
when: "{{ download.enabled|bool and download.container|bool }}"
container_changed: "{{ pull_required|bool|default(false) or not 'up to date' in pull_task_result.stdout }}"
when: "{{ download.enabled|bool and download.container|bool and pull_required|bool|default(download_always_pull) }}"
delegate_to: "{{ download_delegate if download_run_once|bool else inventory_hostname }}"
run_once: "{{ download_run_once|bool }}"
tags: facts
@@ -108,7 +115,7 @@
tags: facts
- name: Download | save container images
shell: docker save "{{ download.repo }}:{{ download.tag }}" | gzip -{{ download_compress }} > "{{ fname }}"
shell: docker save "{{ pull_args }}" | gzip -{{ download_compress }} > "{{ fname }}"
delegate_to: "{{ download_delegate }}"
register: saved
run_once: true