Preparing the environment

To see how we can deploy the code in the various ways we talked about in the previous pages, we will need an environment, and obviously we are going to create it using Ansible. First of all, to ensure that our roles are properly loaded, we need the ansible.cfg file with the following content:

[defaults] 
roles_path = roles 

Then we need the playbooks/firstrun.yaml to ensure that we can configure our machines with a basic configuration, with the following content:

- hosts: all 
  user: root 
  tasks: 
  - name: Ensure ansible user exists 
    user: 
      name: ansible 
      state: present 
      comment: Ansible 
  - name: Ensure ansible user accepts the SSH key 
    authorized_key: 
      user: ansible 
      key: https://github.com/fale.keys 
      state: present 
  - name: Ensure the ansible user is sudoer with no password required 
    lineinfile: 
      dest: /etc/sudoers &...