Building two Ubuntu servers with Vagrant and Ansible

$ tree
.
├── Vagrantfile
├── provisioning
│   ├── group_vars
│   │   └── all
│   ├── hosts.yml
│   ├── roles
│   │   └── server
│   │       ├── handlers
│   │       │   └── main.yml
│   │       ├── tasks
│   │       │   └── main.yml
│   │       └── templates
│   │           └── ntp.conf.j2
│   └── site.yml
└── vagrant_hosts.yml

# Reflect any "hostname" and "ip" changes in "provisioning/hosts.yml" file

- name: This is for Linux 1 box
  label: Linux 1 - 192.168.99.31
  hostname: linux1
  ip: 192.168.99.31

- name: This is for Linux 2 box
  label: Linux 2 - 192.168.99.32
  hostname: linux2
  ip: 192.168.99.32

# -*- mode: ruby -*-
# vi: set ft=ruby :

require "yaml"

boxes = YAML.load_file("vagrant_hosts.yml")

Vagrant.configure("2") do |config|
    config.vm.box = "ubuntu/xenial64"

    ANSIBLE_RAW_SSH_ARGS = []
    i = 0

    boxes.each do |box|
        ANSIBLE_RAW_SSH_ARGS << "-o IdentityFile=.vagrant/machines/#{box["hostname"]}/virtualbox/private_key"

        config.vm.define box["hostname"] do |machine|
            machine.vm.hostname = box["hostname"]
            machine.vm.network "private_network", ip: box["ip"]
            machine.vm.synced_folder box["hostname"], "/srv/www", create: true, nfs: true, mount_options: ["actimeo=2"]
            machine.vm.provider :virtualbox do |virtualbox|
                virtualbox.name = box["label"]
            end
            i += 1

            if i == boxes.count
                machine.vm.provision :ansible do |ansible|
                    ansible.raw_ssh_args = ANSIBLE_RAW_SSH_ARGS
                    ansible.verbose = "-vvv"
                    ansible.limit = "all"
                    ansible.inventory_path = "provisioning/hosts.yml"
                    ansible.playbook = "provisioning/site.yml"
                end
            end
        end
    end
end

# Reflect any "hostname" and "ip" changes in "../vagrant_hosts.yml" file

all:
  children:
    servers:
      hosts:
        linux1:
          ansible_host: 192.168.99.31
        linux2:
          ansible_host: 192.168.99.32

---
# This playbook sets up whole stack.

- name: Apply common configuration to "server" hosts
  hosts: servers
  remote_user: root
  become: yes
  roles:
    - server

---
# Variables listed here are applicable to "all" host

ansible_python_interpreter: /usr/bin/python3

---
# This playbook contains common handlers that can be called in tasks.

# sudo service ntp restart (whether running or not)
- name: Restart ntp
  service:
    name: ntp
    state: restarted
    enabled: yes

---
# This playbook contains common actions that will be run on "linux" hosts.

# sudo apt-get update
- name: Update apt packages
  apt:
    update_cache: yes
  tags:
    - system

# sudo timedatectl set-timezone Europe/London
- name: Set time zone to Europe/London
  timezone:
    name: Europe/London
  tags:
    - system

# sudo apt-get install ntp
- name: Install ntp
  apt:
    name: ntp
    state: present
    update_cache: yes
  tags:
    - ntp

# sudo cp provisioning/common/templates/ntp.conf.j2 /etc/ntp.conf
- name: Configure ntp file and restart
  template:
    src: ntp.conf.j2
    dest: /etc/ntp.conf
  notify: Restart ntp
  tags:
    - ntp

# sudo apt-get install nano
- name: Install nano
  apt:
    name: nano
    state: present
    update_cache: yes
  tags:
    - nano

# sudo apt-get autoclean
- name: Remove useless apt packages from the cache
  apt:
    autoclean: yes
  tags:
    - system

# sudo apt-get autoremove
- name: Remove dependencies that are no longer required
  apt:
    autoremove: yes
  tags:
    - system

driftfile /var/lib/ntp/drift

# Specify UK NTP servers.
server 0.uk.pool.ntp.org
server 1.uk.pool.ntp.org
server 2.uk.pool.ntp.org
server 3.uk.pool.ntp.org

# Use Ubuntu's NTP server as a fallback.
server ntp.ubuntu.com

# Local users may obtain data from NTP servers.
restrict 127.0.0.1
restrict ::1

$ vagrant up
...
PLAYBOOK: site.yml *************************************************************
1 plays in provisioning/site.yml
PLAY [Apply common configuration to "server" hosts] ****************************
TASK [Gathering Facts] *********************************************************
TASK [server : Update apt packages] ********************************************
TASK [server : Set time zone to Europe/London] *********************************
TASK [server : Install ntp] ****************************************************
TASK [server : Configure ntp file and restart] *********************************
TASK [server : Install nano] ***************************************************
TASK [server : Remove useless apt packages from the cache] *********************
TASK [server : Remove dependencies that are no longer required] ****************
RUNNING HANDLER [server : Restart ntp] *****************************************
META: ran handlers
META: ran handlers
PLAY RECAP *********************************************************************
linux1                     : ok=9    changed=5    unreachable=0    failed=0
linux2                     : ok=9    changed=5    unreachable=0    failed=0