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sssd

Manage SSSD authentication on RHEL-based systems.
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Version information

  • 0.2.4 (latest)
  • 0.2.3
  • 0.2.2
  • 0.2.0
released Aug 19th 2013

Start using this module

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

Add this module to your Puppetfile:

mod 'nwaller-sssd', '0.2.4'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add nwaller-sssd
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install nwaller-sssd --version 0.2.4

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
Tags: redhat, authentication, security, rhel, ldap, sssd, active-directory

Documentation

nwaller/sssd — version 0.2.4 Aug 19th 2013

sssd

####Table of Contents

  1. Overview
  2. Module Description - What the module does and why it is useful
  3. Quick Start
  4. Usage - Configuration options and additional functionality
  5. Limitations

Overview

The SSSD module makes it easy to authenticate against Active Directory with sssd.

Module Description

The SSSD module manages the sssd service on distributions based on RedHat Enterprise Linux 5 or 6. It is designed to work with Active Directory, but can easily be customized to work with other LDAP servers. It also helps automate home directory creation.

Quick Start

I just want to login with my network username. What's the minimum I need?

class { 'sssd':
  domains              => [ 'mydomain.local' ],
  make_home_dir        => true,
}
sssd::domain { 'mydomain.local':
  ldap_uri             => 'ldap://mydomain.local',
  ldap_search_base     => 'DC=mydomain,DC=local',
  krb5_realm           => 'MYDOMAIN.LOCAL',
  ldap_default_bind_dn => 'CN=SssdService,DC=mydomain,DC=local',
  ldap_default_authtok => 'My ultra-secret password',
  simple_allow_groups  => ['SssdAdmins'],
}

Note that you must have certificates configured appropriate on your system so that a secure TLS connection can be established with your LDAP server. On RedHat-based systems, you need to install certificates of your trusted certificate authority into /etc/openldap/certs and then hash the certs by running cacertdir_rehash /etc/openldap/certs.

Usage

Different attribute schema

Most LDAP servers use standard attribute names defined in rfc2307. This includes Windows Server since 2003 R2. If your directory uses a non-standard schema for posix accounts, you will need to define a custom attribute mapping.

sssd::domain { 'mydomain.local':
  ...
  ldap_user_object_class   => 'user',
  ldap_user_name           => 'sAMAccountName',
  ldap_user_principal      => 'userPrincipalName',
  ldap_user_gecos          => 'MSSFU2x-gecos',
  ldap_user_shell          => 'MSSFU2x-loginShell',
  ldap_user_uid_number     => 'MSSFU2x-uidNumber',
  ldap_user_gid_number     => 'MSSFU2x-gidNumber',
  ldap_user_home_directory => 'msSFUHomeDirectory',
  ldap_group_gid_number    => 'MSSFU2x-gidNumber',
}

Authenticate against multiple domains

SSSD makes it easy to authenticate against multiple domains. You need to create a second (or third) sssd::domain resource and fill in the appropriate parameters as shown above.

You also need to add the domain, with the same name, to the array of domains passed to the sssd class. This defines the lookup order.

class { 'sssd':
  domains  => [ 'domain_one.local', 'domain_two.local' ],
}
sssd::domain { 'domain_one.local':
  ldap_uri => 'ldap://domain_one.local',
  ...
}
sssd::domain { 'domain_two.local':
  ldap_uri => 'ldap://domain_two.local',
  ...
}

Limitations

This module has been built on and tested against these Puppet versions:

  • Puppet 3.2.4
  • Puppet 3.2.3
  • Puppet 2.6.18

This module has been tested on the following distributions:

  • Scientific Linux 6.4
  • Scientific Linx 6.3
  • CentOS release 5.6

If you need an SSSD module for Debian, there's one by [Unyonsys] (https://github.com/Unyonsys/puppet-module-sssd).