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duo

Puppet module for installation and configuration of Duo Unix ssh 2FA.

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5.0 quality score

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Version information

  • 1.0.0 (latest)
released Jul 5th 2018
This version is compatible with:
  • Puppet Enterprise 2018.1.x, 2017.3.x, 2017.2.x, 2017.1.x, 2016.5.x, 2016.4.x
  • Puppet >= 4.7.0 < 6.0.0
  • ,

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'millerjl1701-duo', '1.0.0'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add millerjl1701-duo
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install millerjl1701-duo --version 1.0.0

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.

Download

Documentation

millerjl1701/duo — version 1.0.0 Jul 5th 2018

duo

master branch: Build Status

Table of Contents

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

Module Description

This module provides for installation and configuration of the Duo Unix Two-Factor Authentication for SSH application using a minimalist configuration style for Puppet 4 and 5. If you are not a current customer of Duo, this module will not be very useful.

One also needs to configure ssh and/or pam in addition to duo. However, this module makes no attempt to manage either of those application requirements in order to allow for flexibility. If you are looking for modules that might be useful for ssh or pam, there are many on the Puppet forge. The module's primary author uses:

However, nothing precludes you from using a different module for either component.

For documentation concerning the product and use of Duo, please refer to the Duo web site: https://duo.com/ For support concerning the Duo application itself, please contact Duo directly https://duo.com/ as I will be unable to assist you in issues with the application. For Puppet 3 support, I strongly recommend the use of Duo's puppet module which was archived on 2/2/2018.

Setup

What duo affects

  • File: /etc/duo/login_duo.conf
  • File: /etc/duo/pam_duo.conf
  • File: /etc/yum.repos.d/duosecurity (management can be disabled)
  • Package: openssl-devel, zlib-devel (management can be disabled)
  • Package: duo_unix

Beginning with duo

class { 'duo':
  config_ikey    => 'ikeystringfromduo',
  config_skey    => 'skeystringfromduo',
  config_apihost => 'f.q.d.n',
}

should be all that is needed to install and configure the duo_unix application to the application defaults and recommended configuration using pam_duo. The required paremeters are determined from your particular Duo itegration. Since they are specific to each use case, they are required parameters without any defaults given. If you do not include them in you class statement, puppet will error out.

Usage

All parameters to the main class may be passed in via puppet code or hiera.

Install duo_unix and configure to use pam_login with defaults

class { 'duo':
  config_ikey    => 'ikeystringfromduo',
  config_skey    => 'skeystringfromduo',
  config_apihost => 'f.q.d.n',
}

Install duo_unix using a local mirror of the Duo repository

class { 'duo':
  config_ikey  => 'ikeystringfromduo',
  config_skey  => 'skeystringfromduo',
  repo_baseurl => 'http://foo.example.com/bar',
}

Install duo_unix using a package manager like Spacewalk

class { 'duo':
  config_ikey  => 'ikeystringfromduo',
  config_skey  => 'skeystringfromduo',
  manage_repo  => false,
}

Install duo_unix and configure to use login_duo with defaults

class { 'duo':
  config_ikey       => 'ikeystringfromduo',
  config_skey       => 'skeystringfromduo',
  config_apihost    => 'f.q.d.n',
  config_login_type => 'login',
}

Install duo_unix and configure the application to use a http proxy

class { 'duo':
  config_ikey       => 'ikeystringfromduo',
  config_skey       => 'skeystringfromduo',
  config_apihost    => 'f.q.d.n',
  config_http_proxy => 'http://myproxy.example.com:8080/',
}

Reference

Generated puppet strings documentation with examples is available from https://millerjl1701.github.io/millerjl1701-duo.

The puppet strings documentation is also included in the /docs folder.

Limitations

This module was created using CentOS/RHEL 7 for Puppet 4.7+ and Puppet 5 clients. In time, other operating systems will be added such as CentOS 6, RHEL 6, and Ubuntu. Parameters were added to allow for configuration according to the Duo documentation. The most tested case is the login_duo configuration by the author. There is limited configuration checking for the parameters passed to the class.

For the Duo application to properly work, ssh and/or pam need to be configured according to the Duo documentation https://duo.com/docs/duounix. This module does not configure either of those components, and duo will not function properly until you do so. Please refer to the Duo documentation for how to test your configuration.

Development

Please see the CONTRIBUTING document for information on how to get started developing code and submit a pull request for this module. While written in an opinionated fashion at the start, over time this can become less and less the case.

Contributors

To see who is involved with this module, see the GitHub list of contributors or the CONTRIBUTORS document.