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Puppet module to help manage Apt
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README.md

apt

Table of Contents

  1. Overview
  2. Module Description - What the module does and why it is useful
  3. Setup - The basics of getting started with apt
  4. Usage - Configuration options and additional functionality
  5. Reference - An under-the-hood peek at what the module is doing and how
  6. Limitations - OS compatibility, etc.
  7. Development - Guide for contributing to the module

Overview

The apt module lets you use Puppet to manage Apt sources, keys, and other configuration options.

Module Description

Apt (Advanced Package Tool) is a package manager available on Debian, Ubuntu, and several other operating systems. The apt module provides a series of classes, defines, types, and facts to help you automate Apt package management.

Note: For this module to be able to correctly auto detect which version of Debian/Ubuntu or derivative you're running you need to make sure the 'lsb-release' package is installed. We highly recommend making this part of your provisioning layer if you run many Debian or derivative systems or ensuring that you have at least Facter 2.2.0 installed which will pull in this dependency for you.

Setup

What apt affects

  • Your system's sources.list file and sources.list.d directory
  • System repositories
  • Authentication keys

Note: Setting the apt module's purge_sources_list and purge_sources_list_d parameters to 'true' will destroy any existing content that you haven't declared through Puppet. The default for these parameters is 'false'.

Beginning with apt

To use the apt module with default parameters, declare the apt class.

include apt

Note: The main apt class is required by all other classes, types, and defines in this module. You must declare it whenever you use the module.

Usage

Add GPG keys

Warning: Using short key IDs presents a serious security issue, potentially leaving you open to collision attacks. We recommend you always use full fingerprints to identify your GPG keys. This module allows short keys, but issues a security warning if you use them.

Declare the apt::key class:

apt::key { 'puppetlabs':
  id      => '47B320EB4C7C375AA9DAE1A01054B7A24BD6EC30',
  server  => 'pgp.mit.edu',
  options => 'http-proxy="http://proxyuser:proxypass@example.org:3128"',
}

You can make Apt load your key before others by adjusting the priority parameter (the default priority is 50).

apt::key { 'puppetlabs':
  id       => '47B320EB4C7C375AA9DAE1A01054B7A24BD6EC30',
  server   => 'pgp.mit.edu',
  options  => 'http-proxy="http://proxyuser:proxypass@example.org:3128"',
  priority => '50',
}

Prioritize backports

class { 'apt::backports':
  pin => 500,
}

By default, the apt::backports class drops a pin file for backports, pinning it to a priority of 200. This is lower than the normal default of 500, so packages with ensure => latest don't get upgraded from backports without your explicit permission.

If you raise the priority through the pin parameter to 500, normal policy goes into effect and Apt installs or upgrades to the newest version. This means that if a package is available from backports, it and its dependencies are pulled in from backports unless you explicitly set the ensure attribute of the package resource to installed/present or a specific version.

Update the list of packages

By default, Puppet runs apt-get update on the first Puppet run after you include the apt class, and anytime notify => Exec['apt_update'] occurs; i.e., whenever config files get updated or other relevant changes occur. If you set update['frequency'] to 'always', the update runs on every Puppet run. You can also set update['frequency'] to 'daily' or 'weekly':

class { 'apt':
  update => {
    frequency => 'daily',
  },
}

Pin a specific release

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

You can also specify more complex pins using distribution properties:

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

To pin multiple packages, pass them to the packages parameter as an array or a space-delimited string.

Add a PPA (Personal Package Archive) repository

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

Add an Apt source to /etc/apt/sources.list.d/

apt::source { 'debian_unstable':
  comment  => 'This is the iWeb Debian unstable mirror',
  location => 'http://debian.mirror.iweb.ca/debian/',
  release  => 'unstable',
  repos    => 'main contrib non-free',
  pin      => '-10',
  key      => {
    'id'     => 'A1BD8E9D78F7FE5C3E65D8AF8B48AD6246925553',
    'server' => 'subkeys.pgp.net',
  },
  include  => {
    'src' => true,
    'deb' => true,
  },
}

To use the Puppet Labs Apt repository as a source:

apt::source { 'puppetlabs':
  location => 'http://apt.puppetlabs.com',
  repos    => 'main',
  key      => {
    'id'     => '47B320EB4C7C375AA9DAE1A01054B7A24BD6EC30',
    'server' => 'pgp.mit.edu',
  },
},

Configure Apt from Hiera

apt::sources:
  'debian_unstable':
    location: 'http://debian.mirror.iweb.ca/debian/'
    release: 'unstable'
    repos: 'main contrib non-free'
    key:
      id: '9AA38DCD55BE302B'
      server: 'subkeys.pgp.net'
    pin: '-10'
    include:
      src: true
      deb: true

  'puppetlabs':
    location: 'http://apt.puppetlabs.com'
    repos: 'main'
    key:
      id: '47B320EB4C7C375AA9DAE1A01054B7A24BD6EC30'
      server: 'pgp.mit.edu'

Reference

Classes

Public Classes

Private Classes

  • apt::params: Provides defaults for the apt module parameters.
  • apt::update: Updates the list of available packages using apt-get update.

Defines

Types

Facts

  • apt_updates: The number of installed packages with available updates.

  • apt_security_updates: The number of installed packages with available security updates.

  • apt_package_updates: The names of all installed packages with available updates. In Facter 2.0 and later this data is formatted as an array; in earlier versions it is a comma-delimited string.

  • apt_update_last_success: The date, in epochtime, of the most recent successful apt-get update run (based on the mtime of /var/lib/apt/periodic/update-success-stamp).

  • apt_reboot_required: Determines if a reboot is necessary after updates have been installed.

Class: apt

Main class, includes all other classes.

Parameters (all optional)
  • keys: Creates new apt::key resources. Valid options: a hash to be passed to the create_resources function. Default: {}.

  • ppas: Creates new apt::ppa resources. Valid options: a hash to be passed to the create_resources function. Default: {}.

  • proxy: Configures Apt to connect to a proxy server. Valid options: a hash made up from the following keys:

    • 'host': Specifies a proxy host to be stored in /etc/apt/apt.conf.d/01proxy. Valid options: a string containing a hostname. Default: undef.

    • 'port': Specifies a proxy port to be stored in /etc/apt/apt.conf.d/01proxy. Valid options: a string containing a port number. Default: '8080'.

    • 'https': Specifies whether to enable https proxies. Valid options: 'true' and 'false'. Default: 'false'.

  • purge: Specifies whether to purge any existing settings that aren't managed by Puppet. Valid options: a hash made up from the following keys:

    • 'sources.list': Specifies whether to purge any unmanaged entries from sources.list. Valid options: 'true' and 'false'. Default: 'false'.

    • 'sources.list.d': Specifies whether to purge any unmanaged entries from sources.list.d. Valid options: 'true' and 'false'. Default: 'false'.

    • 'preferences.list': Specifies whether to purge any unmanaged entries from preferences.list. Valid options: 'true' and 'false'. Default: 'false'.

    • 'preferences.list.d': Specifies whether to purge any unmanaged entries from preferences.list.d. Valid options: 'true' and 'false'. Default: 'false'.

  • settings: Creates new apt::setting resources. Valid options: a hash to be passed to the create_resources function. Default: {}.

  • sources: Creates new apt::setting resources. Valid options: a hash to be passed to the create_resources function. Default: {}.

  • update: Configures various update settings. Valid options: a hash made up from the following keys:

    • 'frequency': Specifies how often to run apt-get update. If the exec resource apt_update is notified, apt-get update runs regardless of this value. Valid options: 'always' (at every Puppet run); 'daily' (if the value of apt_update_last_success is less than current epoch time minus 86400); 'weekly' (if the value of apt_update_last_success is less than current epoch time minus 604800); and 'reluctantly' (only if the exec resource apt_update is notified). Default: 'reluctantly'.

    • 'timeout': Specifies how long to wait for the update to complete before canceling it. Valid options: an integer, in seconds. Default: 300.

    • 'tries': Specifies how many times to retry the update after receiving a DNS or HTTP error. Valid options: an integer. Default: 1.

Class: apt::backports

Manages backports.

Parameters (all optional on Debian and Ubuntu; all required on other operating systems, except where specified)
  • key: Specifies a key to authenticate the backports. Valid options: a string to be passed to the id parameter of the apt::key define, or a hash of parameter => value pairs to be passed to apt::key's id, server, content, source, and/or options parameters. Defaults:

    • Debian: 'A1BD8E9D78F7FE5C3E65D8AF8B48AD6246925553'
    • Ubuntu: '630239CC130E1A7FD81A27B140976EAF437D05B5'
  • location: Specifies an Apt repository containing the backports to manage. Valid options: a string containing a URL. Defaults:

  • pin: Optional. Specifies a pin priority for the backports. Valid options: a number or string to be passed to the id parameter of the apt::pin define, or a hash of parameter => value pairs to be passed to apt::pin's corresponding parameters. Default: '200'.

  • release: Specifies a distribution of the Apt repository containing the backports to manage. Valid options: a string containing the release, used in populating the source.list configuration file. Default: on Debian and Ubuntu, '${lsbdistcodename}-backports'. We recommend keeping this default, except on other operating systems.

  • repos: Specifies a component of the Apt repository containing the backports to manage. Valid options: A string containing the repos to include, used in populating the source.list configuration file. Defaults:

    • Debian: 'main contrib non-free'
    • Ubuntu: 'main universe multiverse restricted'

Define: apt::conf

Specifies a custom Apt configuration file.

Parameters
  • content: Required, unless ensure is set to 'absent'. Directly supplies content for the configuration file. Valid options: a string. Default: undef.

  • ensure: Specifies whether the configuration file should exist. Valid options: 'present' and 'absent'. Default: 'present'.

  • priority: Optional. Determines the order in which Apt processes the configuration file. Files with lower priority numbers are loaded first. Valid options: a string containing an integer. Default: '50'.

Define: apt::key

Manages the GPG keys that Apt uses to authenticate packages.

The apt::key define makes use of the apt_key type, but includes extra functionality to help prevent duplicate keys.

Parameters (all optional)
  • content: Supplies the entire GPG key. Useful in case the key can't be fetched from a remote location and using a file resource is inconvenient. Valid options: a string. Default: undef.

  • ensure: Specifies whether the key should exist. Valid options: 'present' and 'absent'. Default: 'present'.

  • id: Specifies a GPG key to authenticate Apt package signatures. Valid options: a string containing a key ID (8 or 16 hexadecimal characters, optionally prefixed with "0x") or a full key fingerprint (40 hexadecimal characters). Default: $title.

  • options: Passes additional options to apt-key adv --keyserver-options. Valid options: a string. Default: undef.

  • source: Specifies the location of an existing GPG key file to copy. Valid options: a string containing a URL (ftp://, http://, or https://) or an absolute path. Default: undef.

  • server: Specifies a keyserver to provide the GPG key. Valid options: a string containing a domain name or a full URL (http://, https://, or hkp://). Default: 'keyserver.ubuntu.com'.

Define: apt::pin

Manages Apt pins.

Note: For context on these parameters, we recommend reading the man page 'apt_preferences(5)'

Parameters (all optional)
  • codename: Specifies the distribution (lsbdistcodename) of the Apt repository. Valid options: a string. Default: ''.

  • component: Names the licensing component associated with the packages in the directory tree of the Release file. Valid options: a string. Default: ''.

  • ensure: Specifies whether the pin should exist. Valid options: 'file', 'present', and 'absent'. Default: 'present'.

  • explanation: Supplies a comment to explain the pin. Valid options: a string. Default: "${caller_module_name}: ${name}".

  • label: Names the label of the packages in the directory tree of the Release file. Valid options: a string (most commonly, 'debian'). Default: ''.

  • order: Determines the order in which Apt processes the pin file. Files with lower order numbers are loaded first. Valid options: an integer. Default: 50.

  • origin: Tells Apt to prefer packages from the specified server. Valid options: a string containing a hostname. Default: ''.

  • originator: Names the originator of the packages in the directory tree of the Release file. Valid options: a string (most commonly, 'debian'). Default: ''.

  • packages: Specifies which package(s) to pin. Valid options: a string or an array. Default: '*'.

  • priority: Sets the priority of the package. If multiple versions of a given package are available, apt-get installs the one with the highest priority number (subject to dependency constraints). Valid options: an integer. Default: 0.

  • release: Tells Apt to prefer packages that support the specified release. Typical values include 'stable', 'testing', and 'unstable' Valid options: a string. Default: ''.

  • release_version: Tells Apt to prefer packages that support the specified operating system release version (e.g., Debian release version 7). Valid options: a string. Default: ''.

  • version: Tells Apt to prefer a specified package version or version range. Valid options: a string. Default: ''.

Define: apt::ppa

Manages PPA repositories using add-apt-repository. Not supported on Debian.

Parameters (all optional, except where specified)
  • ensure: Specifies whether the PPA should exist. Valid options: 'present' and 'absent'. Default: 'present'.

  • options: Supplies options to be passed to the add-apt-repository command. Valid options: a string. Defaults:

    • Lucid: undef
    • All others: '-y'
  • package_manage: Specifies whether Puppet should manage the package that provides apt-add-repository. Valid options: 'true' and 'false'. Default: 'false'.

  • package_name: Names the package that provides the apt-add-repository command. Valid options: a string. Defaults:

    • Lucid and Precise: 'python-software-properties'
    • Trusty, Utopic, and Vivid: 'software-properties-common'
    • All others: undef
  • release: Optional if lsb-release is installed (unless you're using a different release than indicated by lsb-release, e.g., Linux Mint). Specifies the operating system of your node. Valid options: a string containing a valid LSB distribution codename. Default: "$lsbdistcodename".

Define: apt:setting

Manages Apt configuration files.

Parameters
  • content: Required, unless source is set. Directly supplies content for the configuration file. Cannot be used in combination with source. Valid options: see the content attribute of Puppet's native file type. Default: undef.

  • ensure: Specifies whether the file should exist. Valid options: 'present', 'absent', and 'file'. Default: 'file'.

  • notify_update: Optional. Specifies whether to trigger an apt-get update run. Valid options: 'true' and 'false'. Default: 'true'.

  • priority: Optional. Determines the order in which Apt processes the configuration file. Files with higher priority numbers are loaded first. Valid options: an integer or zero-padded integer. Default: 50.

  • source: Required, unless content is set. Specifies a source file to supply the content of the configuration file. Cannot be used in combination with content. Valid options: see the source attribute of Puppet's native file type. Default: undef.

Define: apt::source

Manages the Apt sources in /etc/apt/sources.list.d/.

Parameters (all optional, except where specified)
  • allow_unsigned: Specifies whether to authenticate packages from this release, even if the Release file is not signed or the signature can't be checked. Valid options: 'true' and 'false'. Default: 'false'.

  • architecture: Tells Apt to only download information for specified architectures. Valid options: a string containing one or more architecture names, separated by commas (e.g., 'i386' or 'i386,alpha,powerpc'). Default: undef (if unspecified, Apt downloads information for all architectures defined in the Apt::Architectures option).

  • comment: Supplies a comment for adding to the Apt source file. Valid options: a string. Default: $name.

  • ensure: Specifies whether the Apt source file should exist. Valid options: 'present' and 'absent'. Default: 'present'.

  • key: Creates a declaration of the apt::key define Valid options: a string to be passed to the id parameter of the apt::key define, or a hash of parameter => value pairs to be passed to apt::key's id, server, content, source, and/or options parameters. Default: undef.

  • include: Configures include options. Valid options: a hash made up from the following keys:

  • 'deb' - Specifies whether to request the distribution's compiled binaries. Valid options: 'true' and 'false. Default: 'true'.

  • 'src' - Specifies whether to request the distribution's uncompiled source code. Valid options: 'true' and 'false'. Default: 'false'. Default: {}.

  • location: Required, unless ensure is set to 'absent'. Specifies an Apt repository. Valid options: a string containing a repository URL. Default: undef.

  • pin: Creates a declaration of the apt::pin define Valid options: a number or string to be passed to the id parameter of the apt::pin define, or a hash of parameter => value pairs to be passed to apt::pin's corresponding parameters. Default: undef.

  • release: Specifies a distribution of the Apt repository. Valid options: a string. Default: "$lsbdistcodename".

  • repos: Specifies a component of the Apt repository. Valid options: a string. Default: 'main'.

Type: apt_key

Manages the GPG keys that Apt uses to authenticate packages.

Note: In most cases, we recommend using the apt::key define. It makes use of the apt_key type, but includes extra functionality to help prevent duplicate keys.

Parameters (all optional)
  • content: Supplies the entire GPG key. Useful in case the key can't be fetched from a remote location and using a file resource is inconvenient. Cannot be used in combination with source. Valid options: a string. Default: undef.

  • options: Passes additional options to apt-key adv --keyserver-options. Valid options: a string. Default: undef.

  • server: Specifies a keyserver to provide Puppet's GPG key. Valid options: a string containing a domain name or a full URL. Default: 'keyserver.ubuntu.com'.

  • source: Specifies the location of an existing GPG key file to copy. Cannot be used in combination with content. Valid options: a string containing a URL (ftp://, http://, or https://) or an absolute path. Default: undef.

Limitations

This module is tested and officially supported on Debian 6 and 7 and Ubuntu 10.04, 12.04, and 14.04. Testing on other platforms has been light and cannot be guaranteed.

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 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.

For more information, see our module contribution guide.

To see who's already involved, see the list of contributors.

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