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Python bindings for interacting with Vagrant virtual machines.

Project description

## Introduction

Python-vagrant is a python module that provides a _thin_ wrapper around the
`vagrant` command line executable, allowing programmatic control of Vagrant
virtual machines (boxes). This module is useful for:

- Starting a Vagrant virtual machine (VM) (`up`).
- Terminating a Vagrant VM (`destroy`).
- Halting a Vagrant VM without destroying it (`halt`).
- Querying the status of a VM or VMs (`status`).
- Getting ssh configuration information useful for SSHing into the VM. (`host`, `port`, ...)
- Running `vagrant` commands in a multi-VM environment
(http://vagrantup.com/v1/docs/multivm.html) by using `vm_name` parameter.
- Initializing the VM based on a named base box, using init().
- Adding, Removing, and Listing boxes (`box add`, `box remove`, `box list`).
- Provisioning VMs - up() accepts options like `no_provision`, `provision`, and `provision_with`, and there is a `provision()` method.
- Using sandbox mode from the Sahara gem (https://github.com/jedi4ever/sahara).

This project begain because I wanted python bindings for Vagrant so I could
programmatically access my vagrant box using Fabric. Drop me a line to let me
know how you use python-vagrant. I'd love to share more use cases. -Todd DeLuca


## Versioning and API Stability

This package is _beta_ and its API is not guaranteed to be stable. The API
attempts to be congruent with the `vagrant` API terminology, to facilitate
knowledge transfer for users already familiar with Vagrant. Over time, the
python-vagrant API has changed to better match the underling `vagrant` CLI and
to evolve with the changes in that CLI.

The package version numbering is in the form `0.X.Y`. The initial `0` reflects
the _beta_ nature of this project. The number `X` is incremented when
backwards-incompatible changes occur. The number `Y` is incremented when
backwards-compatible features or bug fixes are added.


## Contribute

If you use python and vagrant and this project does not do what you want,
please open an issue or a pull request on github at
https://github.com/todddeluca/python-vagrant.

Please see CHANGELOG.md for a detailed list of contributions and authors.

When making a pull request, please include unit tests that test your changes
and make sure any existing tests still work. One can test with:

cd /path/to/python-vagrant
nosetests


## Requirements



- Vagrant 1.1 or greater (urrently tested with 1.5). Using the latest version
of Vagrant is strongly recommended.
- Vagrant requires VirtualBox (e.g. VirtualBox 4.2.10) or another provider.
- Python 2.7 (the only version this package has been tested with.)
- The Sahara gem for Vagrant is optional. It will allow you to use
`SandboxVagrant`.


## Installation

### Install from pypi.python.org

Download and install python-vagrant:

pip install python-vagrant

### Install from github.com

Clone and install python-vagrant

cd ~
git clone git@github.com:todddeluca/python-vagrant.git
cd python-vagrant
python setup.py install


## Usage

A contrived example of starting a vagrant box (using a Vagrantfile from the
current directory) and running a fabric task on it:

import vagrant
from fabric.api import env, execute, task, run

@task
def mytask():
run('echo $USER')


v = vagrant.Vagrant()
v.up()
env.hosts = [v.user_hostname_port()]
env.key_filename = v.keyfile()
env.disable_known_hosts = True # useful for when the vagrant box ip changes.
execute(mytask) # run a fabric task on the vagrant host.

Another example showing how to use vagrant multi-vm feature with fabric:

import vagrant
from fabric.api import *

@task
def start(machine_name):
"""Starts the specified machine using vagrant"""
v = vagrant.Vagrant()
v.up(vm_name=machine_name)
with settings(host_string= v.user_hostname_port(vm_name=machine_name),
key_filename = v.keyfile(vm_name=machine_name),
disable_known_hosts = True):
run("echo hello")

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