test_install_docker.yaml

--- 
- hosts: centos
  become: yes
  gather_facts: no
  tasks:
  - name: Install dependencies for docker
    yum:
      name: ['lvm2','yum-utils','device-mapper-persistent-data']
      state: latest
  - name: Adding the docker repo
    shell: |
      yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
  - name: Actually installing docker
    yum:
      name: ['docker-ce','docker-ce-cli','containerd.io']
      state: latest
  - name: Start and enable docker
    service:
      name: docker
      state: started
      enabled: yes
  - name: Add ansible to the docker group
    user:
      name: ansible
      group: docker
      append: yes
  - name: Download pip installer
    get_url:
      url: https://bootstrap.pypa.io/get-pip.py
      dest: /tmp/get-pip.py
  - name: Install pip
    shell: |
      /usr/bin/python /tmp/get-pip.py
  - name: Install docker-py
    pip:
      name: docker-py
      state: latest
  - name: Set SELinux to permissive
    selinux:
      policy: targeted
      state: permissive
  - name: Copy docker file
    copy:
      src: docker/Dockerfile
      dest: /home/ansible/Dockerfile
    become_user: ansible
  - name: Copy python app
    copy:
      src: docker/app.py
      dest: /home/ansible/app.py
    become_user: ansible
  - name: Build the image
    become_user: ansible
    docker_image:
      name: webapp
      path: ~/
      state: build
  - name: Start the container
    docker_container:
      name: webapp
      image: webapp
      state: started
      ports:
        - "9999:9999"
  - name: Check that you can connect (GET) to a page and it returns a status 200
    uri:
      url: "http://localhost:9999"