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|
---
- hosts: all
become: true
vars:
container_name: ansible-deploy-ci-test
tasks:
- name: Register previous image name for possible fallback
shell: "docker ps --filter name={{ container_name }} {% raw %} --format='{{json .Image}}' {% endraw %}"
register: prev
- set_fact:
prev_image_name="{{ prev.stdout }}"
- name: Docker login
docker_login:
username: "{{ docker_user }}"
password: "{{ docker_password }}"
registry: "{{ docker_registry }}"
- name: Pull app image
docker_image:
name: "{{ image_name }}"
source: pull
- name: Stop running container
docker_container:
name: "{{ container_name }}"
state: absent
- name: Create app container
docker_container:
name: "{{ container_name }}"
image: "{{ image_name }}"
state: started
ports:
- "80:80"
- name: Test app responds on port 80
uri:
url: "http://{{ ansible_host }}:80"
ignore_errors: True
register: result
- name: Rollback if app isn't responding
docker_container:
name: "{{ container_name }}"
image: "{{ prev_image_name }}"
state: started
ports:
- "80:80"
when: result is failed
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