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Octocat-spinner-32 attributes
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README.md

apt Cookbook

This cookbook includes recipes to execute apt-get update to ensure the local APT package cache is up to date. There are recipes for managing the apt-cacher-ng caching proxy and proxy clients. It also includes a LWRP for managing APT repositories in /etc/apt/sources.list.d as well as an LWRP for pinning packages via /etc/apt/preferences.d.

Requirements

Version 2.0.0+ of this cookbook requires **Chef 11.0.0 or later**. If your Chef version is earlier than 11.0.0, use version 1.10.0 of this cookbook.

Version 1.8.2 to 1.10.0 of this cookbook requires Chef 10.16.4 or later.

If your Chef version is earlier than 10.16.4, use version 1.7.0 of this cookbook.

Platform

Please refer to the TESTING file to see the currently (and passing) tested platforms. The release was tested on:

  • Ubuntu 10.04
  • Ubuntu 12.04
  • Ubuntu 13.04
  • Debian 7.1
  • Debian 6.0 (have with manual testing)

May work with or without modification on other Debian derivatives.

Recipes

default

This recipe installs the update-notifier-common package to provide the timestamp file used to only run apt-get update if the cache is more than one day old.

This recipe should appear first in the run list of Debian or Ubuntu nodes to ensure that the package cache is up to date before managing any package resources with Chef.

This recipe also sets up a local cache directory for preseeding packages.

cacher-client

Configures the node to use the apt-cacher-ng server as a client.

cacher-ng

Installs the apt-cacher-ng package and service so the system can provide APT caching. You can check the usage report at http://{hostname}:3142/acng-report.html.

If you wish to help the cacher-ng recipe seed itself, you must now explicitly include the cacher-client recipe in your run list after cacher-ng or you will block your ability to install any packages (ie. apt-cacher-ng).

Attributes

  • ['apt']['cacher_ipaddress'] - use a cacher server (or standard proxy server) not available via search
  • ['apt']['cacher_interface] - interface to connect to the cacher-ng service, no default.
  • ['apt']['cacher_port'] - port for the cacher-ng service (either client or server), default is '3142'
  • ['apt']['cacher_dir'] - directory used by cacher-ng service, default is '/var/cache/apt-cacher-ng'
  • ['apt']['cacher-client']['restrict_environment'] - restrict your node to using the apt-cacher-ng server in your Environment, default is 'false'
  • ['apt']['compiletime'] - force the cacher-client recipe to run before other recipes. It forces apt to use the proxy before other recipes run. Useful if your nodes have limited access to public apt repositories. This is overridden if the cacher-ng recipe is in your run list. Default is 'false'

Libraries

There is an interface_ipaddress method that returns the IP address for a particular host and interface, used by the cacher-client recipe. To enable it on the server use the ['apt']['cacher_interface'] attribute.

Resources/Providers

apt_repository

This LWRP provides an easy way to manage additional APT repositories. Adding a new repository will notify running the execute[apt-get-update] resource immediately.

Actions

  • :add: creates a repository file and builds the repository listing
  • :remove: removes the repository file

Attribute Parameters

  • repo_name: name attribute. The name of the channel to discover
  • uri: the base of the Debian distribution
  • distribution: this is usually your release's codename...ie something like karmic, lucid or maverick
  • components: package groupings..when it doubt use main
  • arch: constrain package to a particular arch like i386, amd64 or even armhf or powerpc. Defaults to nil.
  • trusted: treat all packages from this repository as authenticated regardless of signature
  • deb_src: whether or not to add the repository as a source repo as well - value can be true or false, default false.
  • keyserver: the GPG keyserver where the key for the repo should be retrieved
  • key: if a keyserver is provided, this is assumed to be the fingerprint, otherwise it can be either the URI to the GPG key for the repo, or a cookbook_file.
  • key_proxy: if set, pass the specified proxy via http-proxy= to GPG.
  • cookbook: if key should be a cookbook_file, specify a cookbook where the key is located for files/default. Defaults to nil, so it will use the cookbook where the resource is used.

Examples

Add the Zenoss repo:

apt_repository 'zenoss' do
  uri        'http://dev.zenoss.org/deb'
  components ['main', 'stable']
end

Add the Nginx PPA, grabbing the key from keyserver:

apt_repository 'nginx-php' do
  uri          'http://ppa.launchpad.net/nginx/php5/ubuntu'
  distribution node['lsb']['codename']
  components   ['main']
  keyserver    'keyserver.ubuntu.com'
  key          'C300EE8C'
end

Add the Nginx PPA, grab the key from the keyserver, and add source repo:

apt_repository 'nginx-php' do
  uri          'http://ppa.launchpad.net/nginx/php5/ubuntu'
  distribution node['lsb']['codename']
  components   ['main']
  keyserver    'keyserver.ubuntu.com'
  key          'C300EE8C'
  deb_src      true
end

Add the Cloudera Repo of CDH4 packages for Ubuntu 12.04 on AMD64:

apt_repository 'cloudera' do
  uri          'http://archive.cloudera.com/cdh4/ubuntu/precise/amd64/cdh'
  arch         'amd64'
  distribution 'precise-cdh4'
  components   ['contrib']
  key          'http://archive.cloudera.com/debian/archive.key'
end

Remove Zenoss repo:

apt_repository 'zenoss' do
  action :remove
end

apt_preference

This LWRP provides an easy way to pin packages in /etc/apt/preferences.d. Although apt-pinning is quite helpful from time to time please note that Debian does not encourage its use without thorough consideration.

Further information regarding apt-pinning is available via http://wiki.debian.org/AptPreferences.

Actions

  • :add: creates a preferences file under /etc/apt/preferences.d
  • :remove: Removes the file, therefore unpin the package

Attribute Parameters

  • package_name: name attribute. The name of the package
  • glob: Pin by glob() expression or regexp surrounded by /.
  • pin: The package version/repository to pin
  • pin_priority: The pinning priority aka "the highest package version wins"

Examples

Pin libmysqlclient16 to version 5.1.49-3:

apt_preference 'libmysqlclient16' do
  pin          'version 5.1.49-3'
  pin_priority '700'
end

Unpin libmysqlclient16:

apt_preference 'libmysqlclient16' do
  action :remove
end

Pin all packages from dotdeb.org:

apt_preference 'dotdeb' do
  glob         '*'
  pin          'origin packages.dotdeb.org'
  pin_priority '700'
end

Usage

Put recipe[apt] first in the run list. If you have other recipes that you want to use to configure how apt behaves, like new sources, notify the execute resource to run, e.g.:

template '/etc/apt/sources.list.d/my_apt_sources.list' do
  notifies :run, 'execute[apt-get update]', :immediately
end

The above will run during execution phase since it is a normal template resource, and should appear before other package resources that need the sources in the template.

Put recipe[apt::cacher-ng] in the run_list for a server to provide APT caching and add recipe[apt::cacher-client] on the rest of the Debian-based nodes to take advantage of the caching server.

If you want to cleanup unused packages, there is also the apt-get autoclean and apt-get autoremove resources provided for automated cleanup.

License & Authors

Copyright 2009-2013, Opscode, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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