docker.yml

---
- hosts: all
  become: yes
  vars:
    docker_default_storage_path: '/var/lib/docker'
    docker_storage_path: "{{ ( storage_path ) | default(docker_default_storage_path) }}"  
#    storage_path: "path/to/here"
  tasks:
   - name: "Install Pre-Requisites for Docker"
     apt: name={{item}} state=present
     with_items:
      - apt-transport-https
      - ca-certificates
      - curl
      - gnupg-agent
      - software-properties-common
     
   - name: "Install Docker's official GPG key"
     shell: "curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -"

   - name: "Add Docker Repository"
     shell: 'add-apt-repository \
       "deb [arch=amd64] https://download.docker.com/linux/ubuntu 
       $(lsb_release -cs) 
       stable"'

   - name: "Update APT Sources Cache"
     apt:
       update_cache: yes
       cache_valid_time: 86400 #1Day 

   - name: "Install Community Docker Engine"
     apt: name={{item}} state=present
     with_items:
      - docker-ce
      - docker-ce-cli
      - containerd.io

   - name: "Docker Hello World"
     shell: "docker run hello-world"
     register: status

   - name: "debug - Docker stdout:"
     debug: msg="{{status.stdout}}"
     tags: debug

   - name: "test - docker logic"
     debug: msg="{{docker_storage_path}}"
     tags: test