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puppet-python Build Status

Puppet module for installing and managing python, pip, virtualenvs and Gunicorn virtual hosts.

===

Compatibility

  • Puppet v3 (with and without the future parser)
  • Puppet v4

Ruby versions

  • 1.8.7
  • 1.9.3
  • 2.0.0
  • 2.1.0
  • 2.3.1

OS Distributions

This module has been tested to work on the following systems.

  • Debian 6
  • Debian 7
  • Debian 8
  • EL 5
  • EL 6
  • EL 7
  • Gentoo (and Sabayon)
  • Suse 11
  • Ubuntu 10.04
  • Ubuntu 12.04
  • Ubuntu 14.04

===

Installation

git submodule add https://github.com/stankevich/puppet-python.git /path/to/python

OR

puppet module install stankevich-python

Usage

python

Installs and manages python, python-pip, python-dev, python-virtualenv and Gunicorn.

ensure - Desired installation state for the Python package. Options are absent, present and latest. Default: present

version - Python version to install. Default: system

pip - Desired installation state for the python-pip package. Options are absent, present and latest. Default: present

dev - Desired installation state for the python-dev package. Options are absent, present and latest. Default: absent

virtualenv - Desired installation state for the virtualenv package. Options are absent, present and latest. Default: absent

gunicorn - Desired installation state for Gunicorn. Options are absent, present and latest. Default: absent

manage_gunicorn - Allow Installation / Removal of Gunicorn. Default: true

use_epel - Boolean to determine if the epel class is used. Default: true

  class { 'python' :
    version    => 'system',
    pip        => 'present',
    dev        => 'absent',
    virtualenv => 'absent',
    gunicorn   => 'absent',
  }

python::pip

Installs and manages packages from pip.

pkgname - the name of the package to install. Required.

ensure - present/latest/absent. You can also specify the version. Default: present

virtualenv - virtualenv to run pip in. Default: system (no virtualenv)

url - URL to install from. Default: none

owner - The owner of the virtualenv to ensure that packages are installed with the correct permissions (must be specified). Default: root

proxy - Proxy server to use for outbound connections. Default: none

environment - Additional environment variables required to install the packages. Default: none

egg - The egg name to use. Default: $name of the class, e.g. cx_Oracle

install_args - String of additional flags to pass to pip during installaton. Default: none

uninstall_args - String of additional flags to pass to pip during uninstall. Default: none

timeout - Timeout for the pip install command. Defaults to 1800.

  python::pip { 'cx_Oracle' :
    pkgname       => 'cx_Oracle',
    ensure        => '5.1.2',
    virtualenv    => '/var/www/project1',
    owner         => 'appuser',
    proxy         => 'http://proxy.domain.com:3128',
    environment   => 'ORACLE_HOME=/usr/lib/oracle/11.2/client64',
    install_args  => '-e',
    timeout       => 1800,
   }

python::requirements

Installs and manages Python packages from requirements file.

virtualenv - virtualenv to run pip in. Default: system-wide

proxy - Proxy server to use for outbound connections. Default: none

owner - The owner of the virtualenv to ensure that packages are installed with the correct permissions (must be specified). Default: root

src - The --src parameter to pip, used to specify where to install --editable resources; by default no --src parameter is passed to pip.

group - The group that was used to create the virtualenv. This is used to create the requirements file with correct permissions if it's not present already.

manage_requirements - Create the requirements file if it doesn't exist. Default: true

  python::requirements { '/var/www/project1/requirements.txt' :
    virtualenv => '/var/www/project1',
    proxy      => 'http://proxy.domain.com:3128',
    owner      => 'appuser',
    group      => 'apps',
  }

python::virtualenv

Creates Python virtualenv.

ensure - present/absent. Default: present

version - Python version to use. Default: system default

requirements - Path to pip requirements.txt file. Default: none

proxy - Proxy server to use for outbound connections. Default: none

systempkgs - Copy system site-packages into virtualenv. Default: don't

distribute - Include distribute in the virtualenv. Default: true

venv_dir - The location of the virtualenv if resource path not specified. Must be absolute path. Default: resource name

owner - Specify the owner of this virtualenv

group - Specify the group for this virtualenv

index - Base URL of Python package index. Default: none

cwd - The directory from which to run the "pip install" command. Default: undef

timeout - The maximum time in seconds the "pip install" command should take. Default: 1800

  python::virtualenv { '/var/www/project1' :
    ensure       => present,
    version      => 'system',
    requirements => '/var/www/project1/requirements.txt',
    proxy        => 'http://proxy.domain.com:3128',
    systempkgs   => true,
    distribute   => false,
    venv_dir     => '/home/appuser/virtualenvs',
    owner        => 'appuser',
    group        => 'apps',
    cwd          => '/var/www/project1',
    timeout      => 0,
  }

python::pyvenv

Creates Python3 virtualenv.

ensure - present/absent. Default: present

version - Python version to use. Default: system default

systempkgs - Copy system site-packages into virtualenv. Default: don't

venv_dir - The location of the virtualenv if resource path not specified. Must be absolute path. Default: resource name

owner - Specify the owner of this virtualenv

group - Specify the group for this virtualenv

path - Specifies the PATH variable that contains pyvenv executable. Default: [ '/bin', '/usr/bin', '/usr/sbin' ]

environment - Specify any environment variables to use when creating pyvenv

  python::pyvenv { '/var/www/project1' :
    ensure       => present,
    version      => 'system',
    systempkgs   => true,
    venv_dir     => '/home/appuser/virtualenvs',
    owner        => 'appuser',
    group        => 'apps',
  }

python::gunicorn

Manages Gunicorn virtual hosts.

ensure - present/absent. Default: present

virtualenv - Run in virtualenv, specify directory. Default: disabled

mode - Gunicorn mode. wsgi/django. Default: wsgi

dir - Application directory.

bind - Bind on: 'HOST', 'HOST:PORT', 'unix:PATH'. Default: unix:/tmp/gunicorn-$name.socket or unix:${virtualenv}/${name}.socket

environment - Set ENVIRONMENT variable. Default: none

appmodule - Set the application module name for gunicorn to load when not using Django. Default: app:app

osenv - Allows setting environment variables for the gunicorn service. Accepts a hash of 'key': 'value' pairs. Default: false

timeout - Allows setting the gunicorn idle worker process time before being killed. The unit of time is seconds. Default: 30

template - Which ERB template to use. Default: python/gunicorn.erb

  python::gunicorn { 'vhost' :
    ensure      => present,
    virtualenv  => '/var/www/project1',
    mode        => 'wsgi',
    dir         => '/var/www/project1/current',
    bind        => 'unix:/tmp/gunicorn.socket',
    environment => 'prod',
    appmodule   => 'app:app',
    osenv       => { 'DBHOST' => 'dbserver.example.com' },
    timeout     => 30,
    template    => 'python/gunicorn.erb',
  }

python::dotfile

Manages arbitrary python dotiles with a simple config hash.

ensure - present/absent. Default: present

filename - Default: $title

mode - Default: 0644

owner - Default: root

group - Default: root

config Config hash. This will be expanded to an ini-file. Default: {}

python::dotfile { '/var/lib/jenkins/.pip/pip.conf':
  ensure => present,
  owner  => 'jenkins',
  group  => 'jenkins',
  config => {
    'global' => {
      'index-url       => 'https://mypypi.acme.com/simple/'
      'extra-index-url => https://pypi.risedev.at/simple/
    }
  }
}

hiera configuration

This module supports configuration through hiera. The following example creates two python3 virtualenvs. The configuration also pip installs a package into each environment.

python::python_pyvenvs:
  "/opt/env1":
    version: "system"
  "/opt/env2":
    version: "system"
python::python_pips:
  "nose":
    virtualenv: "/opt/env1"
  "coverage":
    virtualenv: "/opt/env2"

Using SCL packages from RedHat or CentOS

To use this module with Linux distributions in the Red Hat family and python distributions from softwarecollections.org, set python::provider to 'rhscl' and python::version to the name of the collection you want to use (e.g., 'python27', 'python33', or 'rh-python34').

Release Notes

Version 1.9.8 Notes The pip, virtualenv and gunicorn parameters of Class['python'] have changed. These parameters now accept absent, present and latest rather than true and false. The boolean values are still supported and are equivalent to present and absent respectively. Support for these boolean parameters is deprecated and will be removed in a later release.

Version 1.7.10 Notes

Installation of python-pip previously defaulted to false and was not installed. This default is now true and python-pip is installed. To prevent the installation of python-pip specify pip => false as a parameter when instantiating the python puppet class.

Version 1.1.x Notes

Version 1.1.x makes several fundamental changes to the core of this module, adding some additional features, improving performance and making operations more robust in general.

Please note that several changes have been made in v1.1.x which make manifests incompatible with the previous version. However, modifying your manifests to suit is trivial. Please see the notes below.

Currently, the changes you need to make are as follows:

  • All pip definitions MUST include the owner field which specifies which user owns the virtualenv that packages will be installed in. Adding this greatly improves performance and efficiency of this module.
  • You must explicitly specify pip => true in the python class if you want pip installed. As such, the pip package is now independent of the dev package and so one can exist without the other.

Authors

Sergey Stankevich | Shiva Poudel | Peter Souter | Garrett Honeycutt