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puppet-cpan

Puppet Forge Version Puppet Forge Downloads Travis branch By Meltwater Maintenance license

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 cpan
  4. Usage - Configuration options and additional functionality
  5. Reference - An under-the-hood peek at what the module is doing and how

Overview

Handle installations of cpan modules via puppet.

Module Description

The cpan module sets up capn on a server

Setup

What puppet-cpan affects

  • cpan package.
  • cpan configuration file.

Usage

All options and configuration can be done through interacting with the parameters on the cpan class and the cpan resource type. These are documented below.

cpan class

class {'::cpan':
  manage_config  => true,
  manage_package => true,
  package_ensure => 'present',
  installdirs    => 'site',
  local_lib      => false,
  config_hash    => { 'build_requires_install_policy' => 'no' },
  ftp_proxy      => 'http://your_ftp_proxy.com',
  http_proxy     => 'http://your_http_proxy.com',
  environment    => {
  	'OPTIONAL_ENVIRONMENT_VAR_1' => '1',
  	'OPTIONAL_ENVIRONMENT_VAR_2' => '/foo/bar',
  },
}

Beginning with cpan

include '::cpan'
cpan { "Clone::Closure":
  ensure  => present,
  require => Class['::cpan'],
  force   => true,
}

Package Management

To avoid conflicts with in house package management, use:

class {'::cpan':
  manage_package => false,
}

Install Destination

To control target installation path, use:

class {'::cpan':
  installdirs => 'vendor',
}

Any of site (default), perl and vendor are accepted.

To further control the location of installed modules, you can use local::lib:

cpan { 'Foo::Bar':
  ensure    => present,
  local_lib => '/opt',
}

This will install the module into /opt. Of course you need to adjust @INC of your code in order to use that new location, e.g. by using perl -Mlocal::lib=/opt myapp.pl.

You can also define the default value of local_lib for all cpan resources:

Cpan { local_lib => '/opt' }

Configure a Proxy

class {'::cpan':
  ftp_proxy  => 'http://your_ftp_proxy.com',
  http_proxy => 'http://your_http_proxy.com',
}

Add additional environment variables

Some modules may require additional environment variables to be set e.g. during install, like DBD::Oracle or DBD::DB2.

cpan {'DBD::DB2':
  ensure      => 'latest',
  environment => {
   'DB2_HOME' => '/path/to/DB2,
  }
}

Overriding exists code

Some modules like Sys::RunAlone don't return a code 0 when invoked with perl -M$MODULE_NAME -e1. This means there's no way for puppet to check if they're installed or not (in an agnostic way). Therefore you'll have to change the exists_strategy:

cpan {'Sys::RunAlone':
  ensure => 'present',
  exists_strategy => 'find',
}

Currently two strategies are implemented:

include (default)

Tries to include module:

perl -M$MODULE_NAME

find

Tries to find module in @INC list much like pmpath is doing.

Reference

Classes

  • cpan: Main class for installation and service management.
  • cpan::install: Handles package installation.
  • cpan::params: Different configuration data for different systems.
  • cpan::config: Handles the cpan service.

Parameters

manage_config

manage_package

installdirs

local_lib

config_template

config_hash

package_ensure

ftp_proxy

http_proxy

environment

Limitations

This module has been built on and tested against Puppet 3.x and Puppet 4.x

The module has been tested on:

  • RedHat Enterprise Linux 6/7
  • Debian 6/7
  • CentOS 6/7

Testing on other platforms has been light and cannot be guaranteed.

Maintainer