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Sergey Stankevich
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Initial import
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‎LICENSE.md

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Copyright © 2012 Sergey Stankevich
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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    [http://www.apache.org/licenses/LICENSE-2.0](http://www.apache.org/licenses/LICENSE-2.0)
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.

‎Modulefile

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name 'puppet-python'
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version '1.0.0'
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author 'Sergey Stankevich'
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license 'Apache License, Version 2.0'
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project_page 'https://github.com/stankevich/puppet-python'
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source 'git://github.com/stankevich/puppet-python'
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summary 'Puppet module for Python'
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description 'Installs and manages Python, pip, virtualenv, Gunicorn virtual hosts.'

‎README.md

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[puppet-python](https://github.com/stankevich/puppet-python)
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======
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Puppet module for installing and managing python, pip, virtualenv, Gunicorn virtual hosts
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## Usage
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### python
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Installs and manages python, python-dev, python-virtualenv and Gunicorn.
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**version** — Python version to install. Default: system default
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**dev** — Install python-dev. Default: false
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**virtualenv** — Install python-virtualenv. Default: false
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**gunicorn** — Install Gunicorn. Default: false
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class { 'python':
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version => 'system',
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dev => true,
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virtualenv => true,
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gunicorn => true,
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}
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### python::pip
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Installs and manages packages from pip.
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**ensure** — present/absent. Default: present
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**virtualenv** — virtualenv to run pip in.
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**proxy** — Proxy server to use for outbound connections. Default: none
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python::pip { 'flask':
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virtualenv => '/var/www/project1',
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proxy => 'http://proxy.domain.com:3128',
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}
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### python::requirements
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Installs and manages Python packages from requirements file.
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**virtualenv** — virtualenv to run pip in. Default: system-wide
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**proxy** — Proxy server to use for outbound connections. Default: none
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python::requirements { '/var/www/project1/requirements.txt':
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virtualenv => '/var/www/project1',
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proxy => 'http://proxy.domain.com:3128',
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}
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### python::virtualenv
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Creates Python virtualenv.
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**ensure** — present/absent. Default: present
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**version** — Python version to use. Default: system default
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**requirements** — Path to pip requirements.txt file. Default: none
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**proxy** — Proxy server to use for outbound connections. Default: none
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python::virtualenv { '/var/www/project1':
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ensure => present,
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version => 'system',
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requirements => '/var/www/project1/requirements.txt',
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proxy => 'http://proxy.domain.com:3128',
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}
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### python::gunicorn
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Manages Gunicorn virtual hosts.
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**ensure** — present/absent. Default: present
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**virtualenv** — Run in virtualenv, specify directory. Default: disabled
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**mode** — Gunicorn mode. wsgi/django. Default: wsgi
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**dir** — Application directory.
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**bind** — Bind on: 'HOST', 'HOST:PORT', 'unix:PATH'. Default: unix:/tmp/gunicorn-$name.socket or unix:${virtualenv}/${name}.socket
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**environment** — Set ENVIRONMENT variable. Default: none
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python::gunicorn { 'vhost':
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ensure => present,
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virtualenv => '/var/www/project1',
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mode => 'wsgi',
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dir => '/var/www/project1/current',
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bind => 'unix:/tmp/gunicorn.socket',
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environment => 'prod',
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}
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## Authors
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[Sergey Stankevich](https://github.com/stankevich)

‎Rakefile

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# Rakefile for puppet-lint (https://github.com/rodjek/puppet-lint)
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# Run: rake lint
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require 'puppet-lint/tasks/puppet-lint'
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PuppetLint.configuration.with_filename = true
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PuppetLint.configuration.send('disable_documentation')
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PuppetLint.configuration.send('disable_class_parameter_defaults')
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PuppetLint.configuration.send('disable_80chars')

‎manifests/config.pp

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class python::config {
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Class['python::install'] -> Python::Pip <| |>
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Class['python::install'] -> Python::Requirements <| |>
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Class['python::install'] -> Python::Virtualenv <| |>
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Python::Virtualenv <| |> -> Python::Pip <| |>
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Python::Virtualenv <| |> -> Python::Requirements <| |>
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if $python::gunicorn {
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Class['python::install'] -> Python::Gunicorn <| |>
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Python::Gunicorn <| |> ~> Service['gunicorn']
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service { 'gunicorn':
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ensure => running,
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enable => true,
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hasrestart => true,
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hasstatus => false,
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pattern => '/usr/bin/gunicorn',
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}
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}
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}

‎manifests/gunicorn.pp

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# == Define: python::gunicorn
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#
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# Manages Gunicorn virtual hosts.
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#
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# === Parameters
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#
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# [*ensure*]
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# present|absent. Default: present
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#
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# [*virtualenv*]
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# Run in virtualenv, specify directory. Default: disabled
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#
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# [*mode*]
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# Gunicorn mode.
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# wsgi|django. Default: wsgi
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#
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# [*dir*]
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# Application directory.
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#
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# [*bind*]
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# Bind on: 'HOST', 'HOST:PORT', 'unix:PATH'.
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# Default: system-wide: unix:/tmp/gunicorn-$name.socket
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# virtualenv: unix:${virtualenv}/${name}.socket
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#
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# [*environment*]
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# Set ENVIRONMENT variable. Default: none
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#
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# === Examples
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#
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# python::gunicorn { 'vhost':
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# ensure => present,
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# virtualenv => '/var/www/project1',
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# mode => 'wsgi',
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# dir => '/var/www/project1/current',
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# bind => 'unix:/tmp/gunicorn.socket',
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# environment => 'prod',
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# }
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#
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# === Authors
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#
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# Sergey Stankevich
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#
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define python::gunicorn (
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$ensure = present,
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$virtualenv = false,
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$mode = 'wsgi',
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$dir = false,
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$bind = false,
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$environment = false
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) {
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# Parameter validation
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if ! $dir {
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fail('python::gunicorn: dir parameter must not be empty')
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}
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file { "/etc/gunicorn.d/${name}":
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ensure => $ensure,
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mode => '0644',
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owner => 'root',
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group => 'root',
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content => template('python/gunicorn.erb'),
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}
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}

‎manifests/init.pp

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# == Class: python
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#
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# Installs and manages python, python-dev, python-virtualenv and Gunicorn.
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#
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# === Parameters
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#
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# [*version*]
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# Python version to install. Default: system default
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#
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# [*dev*]
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# Install python-dev. Default: false
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#
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# [*virtualenv*]
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# Install python-virtualenv. Default: false
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#
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# [*gunicorn*]
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# Install Gunicorn. Default: false
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#
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# === Examples
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#
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# class { 'python':
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# version => 'system',
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# dev => true,
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# virtualenv => true,
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# gunicorn => true,
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# }
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#
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# === Authors
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#
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# Sergey Stankevich
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#
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class python (
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$version = 'system',
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$dev = false,
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$virtualenv = false,
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$gunicorn = false
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) {
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# Module compatibility check
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$compatible = [ 'Debian', 'Ubuntu' ]
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if ! ($::operatingsystem in $compatible) {
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fail("Module is not compatible with ${::operatingsystem}")
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}
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Class['python::install'] -> Class['python::config']
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include python::install
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include python::config
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}

‎manifests/install.pp

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class python::install {
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$python = $python::version ? {
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'system' => 'python',
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default => "python${python::version}",
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}
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package { $python: ensure => present }
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$dev_ensure = $python::dev ? {
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true => present,
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default => absent,
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}
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package { "${python}-dev": ensure => $dev_ensure }
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$venv_ensure = $python::virtualenv ? {
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true => present,
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default => absent,
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}
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package { 'python-virtualenv': ensure => $venv_ensure }
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$gunicorn_ensure = $python::gunicorn ? {
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true => present,
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default => absent,
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}
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package { 'gunicorn': ensure => $gunicorn_ensure }
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}

‎manifests/pip.pp

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# == Define: python::pip
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#
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# Installs and manages packages from pip.
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#
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# === Parameters
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#
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# [*ensure*]
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# present|absent. Default: present
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#
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# [*virtualenv*]
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# virtualenv to run pip in.
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#
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# [*proxy*]
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# Proxy server to use for outbound connections. Default: none
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#
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# === Examples
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#
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# python::pip { 'flask':
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# virtualenv => '/var/www/project1',
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# proxy => 'http://proxy.domain.com:3128',
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# }
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#
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# === Authors
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#
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# Sergey Stankevich
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#
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define python::pip (
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$virtualenv,
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$ensure = present,
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$proxy = false
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) {
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# Parameter validation
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if ! $virtualenv {
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fail('python::pip: virtualenv parameter must not be empty')
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}
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$proxy_flag = $proxy ? {
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false => '',
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default => "--proxy=${proxy}",
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}
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$grep_regex = $name ? {
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/==/ => "^${name}\$",
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default => "^${name}==",
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}
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case $ensure {
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present: {
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exec { "pip_install_${name}":
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command => "${virtualenv}/bin/pip install ${proxy_flag} ${name}",
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unless => "${virtualenv}/bin/pip freeze | grep -i -e ${grep_regex}",
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}
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}
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default: {
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exec { "pip_uninstall_${name}":
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command => "echo y | ${virtualenv}/bin/pip uninstall ${proxy_flag} ${name}",
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onlyif => "${virtualenv}/bin/pip freeze | grep -i -e ${grep_regex}",
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}
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}
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}
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}

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