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Puppet module to help manage Apt
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README.md

apt

Build Status

Description

Provides helpful definitions for dealing with Apt.

Overview

The APT module provides a simple interface for managing APT source, key, and definitions with Puppet.

Module Description

APT automates obtaining and installing software packages on *nix systems.

Setup

What APT affects:

  • package/service/configuration files for APT
  • your system's sources.list file and sources.list.d directory
    • NOTE: Setting the purge_sources_list and purge_sources_list_d parameters to 'true' will destroy any existing content that was not declared with Puppet. The default for these parameters is 'false'.
  • system repositories
  • authentication keys
  • wget (optional)

Beginning with APT

To begin using the APT module with default parameters, declare the class

include apt

Puppet code that uses anything from the APT module requires that the core apt class be declared/\s+$//e

Usage

Using the APT module consists predominantly in declaring classes that provide desired functionality and features.

apt

apt provides a number of common resources and options that are shared by the various defined types in this module, so you MUST always include this class in your manifests.

The parameters for apt are not required in general and are predominantly for development environment use-cases.

class { 'apt':
  always_apt_update    => false,
  disable_keys         => undef,
  proxy_host           => false,
  proxy_port           => '8080',
  purge_sources_list   => false,
  purge_sources_list_d => false,
  purge_preferences_d  => false,
  update_timeout       => undef
}

Puppet will manage your system's sources.list file and sources.list.d directory but will do its best to respect existing content.

If you declare your apt class with purge_sources_list and purge_sources_list_d set to 'true', Puppet will unapologetically purge any existing content it finds that wasn't declared with Puppet.

apt::builddep

Installs the build depends of a specified package.

apt::builddep { 'glusterfs-server': }

apt::force

Forces a package to be installed from a specific release. This class is particularly useful when using repositories, like Debian, that are unstable in Ubuntu.

apt::force { 'glusterfs-server':
  release => 'unstable',
  version => '3.0.3',
  require => Apt::Source['debian_unstable'],
}

apt::key

Adds a key to the list of keys used by APT to authenticate packages.

apt::key { 'puppetlabs':
  key        => '4BD6EC30',
  key_server => 'pgp.mit.edu',
}

apt::key { 'jenkins':
  key        => 'D50582E6',
  key_source => 'http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key',
}

Note that use of key_source requires wget to be installed and working.

apt::pin

Adds an apt pin for a certain release.

apt::pin { 'karmic': priority => 700 }
apt::pin { 'karmic-updates': priority => 700 }
apt::pin { 'karmic-security': priority => 700 }

Note you can also specifying more complex pins using distribution properties.

apt::pin { 'stable':
  priority        => -10,
  originator      => 'Debian',
  release_version => '3.0',
  component       => 'main',
  label           => 'Debian'
}

If you wish to pin a number of packages you may specify the packages as a space delimited string using the packages attribute or pass in an array of package names.

apt::ppa

Adds a ppa repository using add-apt-repository.

apt::ppa { 'ppa:drizzle-developers/ppa': }

apt::release

Sets the default apt release. This class is particularly useful when using repositories, like Debian, that are unstable in Ubuntu.

class { 'apt::release':
  release_id => 'precise',
}

apt::source

Adds an apt source to /etc/apt/sources.list.d/.

apt::source { 'debian_unstable':
  location          => 'http://debian.mirror.iweb.ca/debian/',
  release           => 'unstable',
  repos             => 'main contrib non-free',
  required_packages => 'debian-keyring debian-archive-keyring',
  key               => '46925553',
  key_server        => 'subkeys.pgp.net',
  pin               => '-10',
  include_src       => true
}

If you would like to configure your system so the source is the Puppet Labs APT repository

apt::source { 'puppetlabs':
  location   => 'http://apt.puppetlabs.com',
  repos      => 'main',
  key        => '4BD6EC30',
  key_server => 'pgp.mit.edu',
}

Testing

The APT module is mostly a collection of defined resource types, which provide reusable logic that can be leveraged to manage APT. It does provide smoke tests for testing functionality on a target system, as well as spec tests for checking a compiled catalog against an expected set of resources.

Example Test

This test will set up a Puppet Labs apt repository. Start by creating a new smoke test in the apt module's test folder. Call it puppetlabs-apt.pp. Inside, declare a single resource representing the Puppet Labs APT source and gpg key

apt::source { 'puppetlabs':
  location   => 'http://apt.puppetlabs.com',
  repos      => 'main',
  key        => '4BD6EC30',
  key_server => 'pgp.mit.edu',
}

This resource creates an apt source named puppetlabs and gives Puppet information about the repository's location and key used to sign its packages. Puppet leverages Facter to determine the appropriate release, but you can set it directly by adding the release type.

Check your smoke test for syntax errors

$ puppet parser validate tests/puppetlabs-apt.pp

If you receive no output from that command, it means nothing is wrong. Then apply the code

$ puppet apply --verbose tests/puppetlabs-apt.pp
notice: /Stage[main]//Apt::Source[puppetlabs]/File[puppetlabs.list]/ensure: defined content as '{md5}3be1da4923fb910f1102a233b77e982e'
info: /Stage[main]//Apt::Source[puppetlabs]/File[puppetlabs.list]: Scheduling refresh of Exec[puppetlabs apt update]
notice: /Stage[main]//Apt::Source[puppetlabs]/Exec[puppetlabs apt update]: Triggered 'refresh' from 1 events>

The above example used a smoke test to easily lay out a resource declaration and apply it on your system. In production, you may want to declare your APT sources inside the classes where they’re needed.

Implementation

apt::backports

Adds the necessary components to get backports for Ubuntu and Debian. The release name defaults to $lsbdistcodename. Setting this manually can cause undefined behavior (read: universe exploding).

Limitations

This module should work across all versions of Debian/Ubuntu and support all major APT repository management features.

Development

Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. We can’t access the huge number of platforms and myriad of hardware, software, and deployment configurations that Puppet is intended to serve.

We want to keep it as easy as possible to contribute changes so that our modules work in your environment. There are a few guidelines that we need contributors to follow so that we can have a chance of keeping on top of things.

You can read the complete module contribution guide on the Puppet Labs wiki.

License

The original code for this module comes from Evolving Web and was licensed under the MIT license. Code added since the fork of this module is licensed under the Apache 2.0 License like the rest of the Puppet Labs products.

The LICENSE contains both licenses.

Contributors

A lot of great people have contributed to this module. A somewhat current list follows:

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