puppet-logstashforwarder

A puppet module for managing logstash-forwarder

Requirements

Puppet 2.7.x or better.
The stdlib Puppet library.

Optional:

The apt Puppet library when using repo management on Debian/Ubuntu.

Usage

Installation, make sure service is running and will be started at boot time:

 class { 'logstashforwarder': }

Install a certain version:

 class { 'logstashforwarder':
   version => '1.0'
 }

In the absense of an appropriate package for your environment it is possible to install from other sources as well.

http/https/ftp source:

 class { 'logstashforwarder':
   package_url => 'http://download.website.com/packages/logstashforwarder.rpm'
 }

puppet:// source:

 class { 'logstashforwarder':
   package_url => 'puppet:///path/to/logstashforwarder.rpm'
 }

Local file source:

 class { 'logstashforwarder':
   package_url => 'file:/path/to/logstashforwarder.rpm'
 }

Attempt to upgrade logstashforwarder if a newer package is detected (false by default):

 class { 'logstashforwarder':
   autoupgrade => true
 }

Install everything but disable the service (useful for pre-configuring systems):

 class { 'logstashforwarder':
   status => 'disabled'
 }

Under normal circumstances a modification to the logstashforwarder configuration will trigger a restart of the service. This behaviour can be disabled:

 class { 'logstashforwarder':
   restart_on_change => false
 }

Disable and remove logstashforwarder entirely:

 class { 'logstashforwarder':
   ensure => 'absent'
 }

Configuration

Network and SSL

For the network part of the configuration you need to set the servers and ssl information.

 class { 'logstashforwarder':
   servers  => [ 'logstash.yourdomain.com' ],
   ssl_key  => 'puppet:///path/to/your/ssl.key',
   ssl_ca   => 'puppet:///path/to/your/ssl.ca',
   ssl_cert => 'puppet:///path/to/your/ssl.cert'
 }

If you already manage the SSL files you can also specify them as the full path.

 class { 'logstashforwarder':
   servers  => [ 'logstash.yourdomain.com' ],
   ssl_key  => '/path/to/your/ssl.key',
   ssl_ca   => '/path/to/your/ssl.ca',
   ssl_cert => '/path/to/your/ssl.cert'
 }

Files

For configuring the files you want to process you can use the 'file' define:

 logstashforwarder::file { 'apache':
   paths  => [ '/var/log/apache/access.log' ],
   fields => { 'type' => 'apache' },
 }

The 'fields' hash allows you to set custom fields which you can use in Logstash.

Repository management

Most sites will manage repositories seperately; however, this module can manage the repository for you.

 class { 'logstashforwarder':
   manage_repo  => true
 }

Note: When using this on Debian/Ubuntu you will need to add the Puppetlabs/apt module to your modules.

Service Management

Currently only the basic SysV-style init service provider is supported but others could be implemented relatively easily (pull requests welcome).

init

Defaults File

The defaults file (/etc/defaults/logstashforwarder or /etc/sysconfig/logstashforwarder) for the logstashforwarder service can be populated as necessary. This can either be a static file resource or a simple key value-style hash object, the latter being particularly well-suited to pulling out of a data source such as Hiera.

file source

 class { 'logstashforwarder':
   init_defaults_file => 'puppet:///path/to/defaults'
 }

hash representation

 $config_hash = {
   'logstashforwarder_USER' => 'logstashforwarder',
   'logstashforwarder_GROUP' => 'logstashforwarder',
 }

 class { 'logstashforwarder':
   init_defaults => $config_hash
 }

Support

Need help? Join us in #logstash on Freenode IRC or on the https://discuss.elastic.co/c/logstash discussion forum.

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