---
- name: Deploy client from git
  remote_user: "{{ user }}"
  action: >
    git
    repo="{{ repository_url }}"
    dest="{{ app_path }}"
    accept_hostkey=True
  sudo: no
  register: gitclone

- name: get  previous container
  shell: docker images|grep {{ container_name }}|grep latest| awk '{print $3}'
  register: current_image_sha

- name: Build {{ container_name }}
  shell: ./build_docker
  args:
    chdir: "{{ app_path}}"
  sudo: yes
  when: gitclone.changed
  register: container

- name: tag previous version
  shell: docker tag -f {{ current_image_sha.stdout }} {{ container_name }}:old
  when: container is defined and container.changed and current_image_sha.stdout != ""

- name: get running container
  shell: docker ps |grep {{ container_name }}| awk '{print $1}'
  register: current_container_id

- name: kill old version
  shell: docker stop {{ container_name }}
  when: container is defined and container.changed and current_container_id.stdout != ""

- name: get old containers
  shell: docker ps -a|grep Exited| awk '{print $1}'
  register: old_containers

- name: clean old containers
  shell: docker rm $(docker ps -a|grep Exited| awk '{print $1}')
  when: old_containers.stdout != ""

- name: Start the container
  shell: docker run --restart=always -p 127.0.0.1:{{ port }}:{{ port }} -d --name {{ container_name }} {{ container_name }}:latest 
  when: container is defined and container.changed

- name: get old images
  shell: docker images | grep "^<none>" | awk '{print $3}'
  register: old_images

- name: clean untagged (old) images
  shell: docker rmi $(docker images -a | grep "^<none>" | awk '{print $3}')
  when: old_images.stdout != ""
  ignore_errors: yes