Reverse engineer server configuration
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README.md

Blueprint

Blueprint reverse engineers servers

  • Easy configuration management.
  • Detect relevant packages, files, and source installs.
  • Generate reusable server configs.
  • Convert blueprints to Puppet or Chef.
  • No DSLs, no extra servers, no workflow changes.

Blueprint looks inside popular package managers, finds changes you made to configuration files, and archives software you built from source. It runs on Debian- and RPM-based Linux distros with Python >= 2.6 and Git >= 1.7. Move blueprints around with Blueprint I/O.

Usage

Create a blueprint

blueprint create my-first-blueprint

Blueprint inspects your server and stores the results in its local repository. blueprint list shows all the blueprints you've created on this server.

Apply a blueprint

blueprint apply my-first-blueprint

Blueprint generates shell code from my-first-blueprint and executes it on the server.

Generate POSIX shell code from a blueprint

blueprint show -S my-first-blueprint

my-first-blueprint.sh is written to your working directory. Try out -P or -C to generate a Puppet module or a Chef cookbook.

Diff a blueprint

blueprint diff foo bar baz

Blueprint subtracts bar from foo. Files, packages and source that appears in foo but not bar will be carried over to baz and everything else will be dropped.

Installation

Prerequisites:

  • A Debian- or RPM-based Linux distribution
  • Python >= 2.6
  • Git >= 1.7

From source on Debian, Ubuntu, and Fedora

git clone git://github.com/devstructure/blueprint.git
cd blueprint && make && sudo make install

From source on CentOS and RHEL 5

rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm
yum install python26
git clone git://github.com/devstructure/blueprint.git
cd blueprint && make && sudo make install PYTHON=/usr/bin/python26

This installs Python 2.6 from EPEL side-by-side with Python 2.4 and so won't break yum.

With a package manager

DevStructure maintains Debian packages and Python eggs for Blueprint. See Installing with a package manager on the wiki.

Documentation

The Blueprint tutorial works through creating and deploying a simple web application via Blueprint.

Manuals

Plumbing

Contribute

Blueprint is BSD-licensed.