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A simple provisioning tool

Project description


`prvsn` is a simple provisioning tool.

It can provision linux and mac, either locally or remotely.

[![Pypi version](](
[![Pypi license](](
![Python 2](
![Python 3](


## Motivation

The motivation for this tool is too keep track of configuration steps and being able to rebuild a small setup (e.g. a raspberry pi) quickly and with minimal effort.

### Goals

Easy for quickly setup a machine for hacking:

- easy to provision a single machine
- works in python
- simple way to
- add a file, possibly a template
- install package
- run a command in bash
- works out of the box:
- python 2.7 & 3 compatibility
- no external dependencies

### Non-Goals

Large scale provisioning:

- provision thousands or more machines
- strict dependencies, complex dependency graph
- external recipes & supermarket/store support

If those are your goals, have a look at Puppet or Chef or others.

## Installation

### Install

From PyPi:

pip install prvsn

From Github:

git clone
cd prvsn
python install

Or for development:

python develop

## Usage

### Hierarchy

Configurations are called `roles` and are grouped into a `runbook`.

The file hierarchy looks like:

|- roles
|- web
|- ...
|- desktop
|- files

- `` is the main python entry point
- `files` is to contain any files you want to use

### Tasks

A role's `` can contain one or more `tasks` (also called `states` since they're mostly descriptive).

Common task options include:

- `secure`: no output will be shown on console nor logs.

#### Command Tasks

`command(interpreter, cmd)`


Runs some code in bash. Hopefully this is never needed.

bash('echo "hello"')

echo "hello"


Runs some code in ruby.

### File Extension Handler Tasks

`file_handler` (mac only)

Associate an application with a file extension.

file_handler('.txt', 'com.macromates.TextMate')

The application's identifier can be found with:

mdls -name kMDItemCFBundleIdentifier -r /Applications/

#### File Tasks

`file(source, file, replacements={})`:

`source` can either be a URL or a file's path relative to the role's `files` directory.

file('asound.conf', '/etc/asound.conf')


replacements rules can be specified, so the file acts as a template.


### Hostname tasks



#### Kernel Tasks

`module(name)` (linux only):

Adds and loads a module.


#### Package Tasks


Should automatically detect the package manager in presence.
If multiple managers are present, it is possible to explicitly specify which to use:


[for package(p) in '''

`homebrew_package` (mac only)

`cask_package` (mac only)

`mac_app_store` (mac only)


Application identifiers can be found with:

mas search app_name



### Command line

#### init

Creates the hierarchy for a new runbook.

prvsn init -b path/to/runbook

#### provision

Default command if no host is specified. Provisions the machine `prvsn` runs on.

prvsn provision -b path/to/runbook -r role1,role2

or alternatively, if running from the runbook directory:

prvsn -r role1,role2

`--sudo` can be used to provision as root.

#### package

Creates an executable package with the runbook and the roles. The default package name is `package.pyz`.

prvsn package -b path/to/runbook -r role1,role2 -o mypackage.pyz

The package can then be run individually:

python mypackage.pyz

#### remote

Default command if a host is specified. Provision a remote host by:

1. creating a package
2. sending the package over ssh
3. running the package over ssh


prvsn remote -b path/to/runbook -r role1,role2 -n myhostname -u myuser

Additionally, ssh public key will be installed on the remote host (if no key is present, one is created). To disable this behavior, use '--no-copy-keys'.

`--sudo` can be used to provision as root (on the remote host).

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