playbook.yml

---
- hosts: 127.0.0.1
  connection: local
  become: true
  become_user: root
  gather_facts: false
  tasks:
    - name: Install Java-8
      apt:
        name: openjdk-8-jdk
        update_cache: yes

    - name: Add Jenkins key
      apt_key:
        url: https://pkg.jenkins.io/debian/jenkins.io.key

    - name: Add Jenkins repo
      apt_repository:
        repo: deb http://pkg.jenkins.io/debian-stable binary/ 
        state: present
        filename: jenkins

    - name: Install Jenkins
      apt:
        name: jenkins
        update_cache: yes

    - name: Install packages needed for Docker
      vars:
        list_of_pkgs: ['apt-transport-https', 'ca-certificates', 'curl', 'software-properties-common', 'python3-pip', 'virtualenv', 'python3-setuptools']
      apt:
        name: "{{ list_of_pkgs }}"
        state: latest
        update_cache: yes

    - name:  Add Docker GPG key
      apt_key:
        url: https://download.docker.com/linux/ubuntu/gpg
        id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88

    - name: Add Docker repo
      apt_repository:
        repo: deb https://download.docker.com/linux/ubuntu bionic stable
        state: present
    
    - name: Install Docker
      vars:
        list_of_pkgs: ['docker-ce', 'docker-ce-cli', 'containerd.io']
      apt:
        name: "{{ list_of_pkgs }}"
        update_cache: yes

    - name: Create Docker group
      group:
        name: docker
        state: present

    - name: Add Jenkins to docker group
      user:
        name: jenkins
        groups: docker
        append: yes