Vagrant.configure(2) do |config|
  config.vm.box = "ubuntu/trusty64"
  config.vm.box_check_update = false

  config.vm.provision "shell", inline: <<-SHELL
    export DEBIAN_FRONTEND=noninteractive

    echo "+ Installing ansible"
    sudo apt-get install -y software-properties-common
    sudo apt-add-repository ppa:ansible/ansible
    sudo apt-get update -y -q
    sudo apt-get install -y ansible
    sudo bash -c "echo localhost ansible_connection=local >> /etc/ansible/hosts"

    echo "+ checking ansible install"
    ansible --version
    sudo ansible localhost -m ping
    sudo bash -c "grep '/vagrant/roles' /etc/ansible/ansible.cfg || sed -i.bak -e '/#roles_path/a roles_path=/etc/ansible/roles:/vagrant/roles' /etc/ansible/ansible.cfg"

    echo "+ Installing ansible galaxy requirements.yml"
    if  [ -f /vagrant/requirements.yml ]; then sudo ansible-galaxy install -r /vagrant/requirements.yml; fi

    echo "+ Running ansible playbook(s)"
    if [ -f /vagrant/playbook.yml ]; then sudo ansible-playbook --syntax-check /vagrant/playbook.yml && sudo ansible-playbook /vagrant/playbook.yml; fi
 SHELL

end

---
- src: PeterMosmans.virtualbox-guest

- hosts: localhost
  become: "yes"
  become_method: "sudo"
  vars:
    - virtualbox_version: "5.0.22"
    - virtualbox_keep: "no"
  roles:
    - PeterMosmans.virtualbox-guest

Vagrant.configure("2") do |config|
  config.vm.box = "debian/jessie64"

[...]

  config.vm.provision "ansible_local" do |ansible|
    ansible.galaxy_role_file = "requirements.yml"
    ansible.inventory_path  = "hosts"
    ansible.install = true
    ansible.install_mode = "pip"
    ansible.limit = "all"
    ansible.playbook = "myplaybook.yml"
  end
end