docker.yml

#---
- hosts: all
  become: true
  gather_facts: true
  tasks:
  - name: Check if Docker is installed
    register: docker_installed
    command: docker -v
    ignore_errors: true

  - name: update the Linux system
    apt: 
       upgrade=dist
    register: upgrade

  - name: Show the upgrade process    
    debug:
      msg: "{{ upgrade.stdout }}"

  - name: Remove the old version of docker
    apt: name= {{ item }} state=absent
    when: docker_installed is success
    with_items:
      - docker
      - docker-io
      - docker-ce
      
  - name: Install the certificates on the machine
    apt: name= {{ item }} state=latest
    with_items:
      - apt-transport-https
      - ca-certificates
      - curl
      - software-properties-common

  # - name: Add an apt key by id from a keyserver
  #   get_url:
  #           url: https://sks-keyservers.net/pks/lookup?op=get&search=0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e
  #           dest: /home/deepak/Downloads/sks.key
  #           mode: 0440
    
  - name: Add Docker’s official GPG key
    apt_key:
            url: https://download.docker.com/linux/ubuntu/gpg
            state: present

    #    apt_key:
    #            id: 0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e
    #            url: https://sks-keyservers.net/pks/lookup?op=get&search=
    #            state: present
    #    uri:
    #       url: https://sks-keyservers.net/pks/lookup?op=get&search=0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e
    #       return_content: yes
    #    register: aptkey

    #  - name: Add a key from a file on the Ansible server
    #    apt_key:
    #       data: "{{ lookup(aptkey) }}"
    #       state: present

  - name: Add the repository for the docker
    apt_repository:
          repo: deb [arch=amd64] https://download.docker.com/linux/ubuntu/dists/ $(lsb_release -cs) /stable
          state: present

  - name: Install Docker
    apt: name=docker-ce state=latest
    when: docker_installed is failed
    
  - name: Display the Docker version installed
    debug:
         msg: "{{ docker_installed }}"