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Parser to extract data from a Vagrantfile into a data struct readable by python

Project description

Build Status

pyvagrantfile

Parses a vagrant file into a python object for inspect. Mainly used to read and build Vagrant file in python. I built this to help me write a utility in python which can build projects and convert Vagrantfiles to packer files.

Supported Directives

  • Most vm.config directives,
  • Chef provisioner
  • Shell provisioner
  • VB provider

Installation

After it’s on the pip server, you should be able to install on the client by running

$ pip install pyvagrantfile

Deployment

When this is ready to be deployed, you can upload it to the pip server

$ cd $WORKSPACE/pyvagrantfile
$ python setup.py sdist upload

Usage

Contributing

virtualenv

When doing development and testing, it’s good practice to use a virtualenv. A virtualenv is a sandboxed python environment which does not modify the system python installation You can install one as follows:

$ pip install virtualenv
$ cd $WORKSPACE/pyvagrantfile
$ virtualenv venv
$ . ./venv/bin/activate
(pyvagrantfile)$

Now that you have a working virtualenv, you can install the utility in development mode. Keep in mind that the ‘activate’ step, is valid only for a single session. If you close the terminal you’ll have to run venv/bin/activate again. You can now run pip, python, and pyvagrantfile while only referring to the local python environment created in $WORKSPACE/pyvagrantfile. You can see this by running:

(pyvagrantfile)$ which pip
$WORKSPACE/pyvagrantfile/venv/bin/python
(pyvagrantfile)$ which python

Development Mode

When testing this utility, you can install it and still edit the source files as follows:

$ cd $WORKSPACE/pyvagrantfile
$ pip install --editable .

Roadmap

I intially tried to use pyPEG, but could not get a handle on it, so for now, we use a custom state parser. I want to move this to a PEG parser to make it easier to manage, but in the spirit of minimum viable product, it’s up and out.

  • This is currently way too specific. Needs to be rewritten to parse general ruby structures and extract details out of it, rather than looking for particular vagrant configurations.
  • Port parser from state parser to PEG parser.

Project details


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