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elasticsearch

Module for managing and configuring Elasticsearch nodes
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Version information

  • 0.1.0 (latest)
released Jan 22nd 2015
This version is compatible with:
  • Puppet Enterprise >= 3.1.3
  • Puppet >=2.7.20 <4.0.0
  • , , , , , ,

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  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'aniketmehta-elasticsearch', '0.1.0'
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Add this module to your Bolt project:

bolt module add aniketmehta-elasticsearch
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install aniketmehta-elasticsearch --version 0.1.0

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Documentation

aniketmehta/elasticsearch — version 0.1.0 Jan 22nd 2015

#Elasticsearch Puppet module

Build Status

####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 Elasticsearch
  1. Usage - Configuration options and additional functionality
  2. Advanced features - Extra information on advanced usage
  3. Limitations - OS compatibility, etc.
  4. Development - Guide for contributing to the module
  5. Support - When you need help with this module

##Overview

This module manages Elasticsearch (http://www.elasticsearch.org/overview/elasticsearch/)

##Module description

The elasticsearch module sets up Elasticsearch instances and can manage plugins and templates.

This module has been tested against ES 1.0 and up.

##Setup

###The module manages the following

  • Elasticsearch repository files.
  • Elasticsearch package.
  • Elasticsearch configuration file.
  • Elasticsearch service.
  • Elasticsearch plugins.
  • Elasticsearch templates.

###Requirements

Repository management

When using the repository management you will need the following dependency modules:

##Usage

###Main class

####Install a specific version

class { 'elasticsearch':
  version => '1.2.1'
}

Note: This will only work when using the repository.

####Automatic upgrade of the software ( default set to false )

class { 'elasticsearch':
  autoupgrade => true
}

####Removal/decommissioning

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

####Install everything but disable service(s) afterwards

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

###Instances

This module works with the concept of instances.

####Quick setup

elasticsearch::instance { 'es-01': }

This will set up its own data directory and set the node name to $hostname-$instance_name

####Advanced options

Instance specific options can be given:

elasticsearch::instance { 'es-01':
  config => { },        # Configuration hash
  init_defaults => { }, # Init defaults hash
  datadir => [ ],       # Data directory
}

See Advanced features for more information

###Plug-ins

Install a variety of plugins:

####From official repository

elasticsearch::plugin{'lmenezes/elasticsearch-kopf':
  module_dir => 'kopf'
}

####From custom url

elasticsearch::plugin{ 'elasticsearch-jetty':
  module_dir => 'jetty',
  url        => 'https://oss-es-plugins.s3.amazonaws.com/elasticsearch-jetty/elasticsearch-jetty-1.2.1.zip'
}

###Templates

Add a new template

This will install and/or replace the template in Elasticsearch:

elasticsearch::template { 'templatename':
  file => 'puppet:///path/to/template.json'
}

Delete a template

elasticsearch::template { 'templatename':
  ensure => 'absent'
}

Host

By default it uses localhost:9200 as host. you can change this with the host and port variables

elasticsearch::template { 'templatename':
  host => $::ipaddress,
  port => 9200
}

###Bindings / Clients

Install a variety of clients/bindings:

####Python

elasticsearch::python { 'rawes': }

####Ruby

elasticsearch::ruby { 'elasticsearch': }

###Package installation

There are 2 different ways of installing the software

####Repository

This option allows you to use an existing repository for package installation. The repo_version corresponds with the major version of Elasticsearch.

class { 'elasticsearch':
  manage_repo  => true,
  repo_version => '1.2',
}

####Remote package source

When a repository is not available or preferred you can install the packages from a remote source:

#####http/https/ftp

class { 'elasticsearch':
  package_url => 'https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.2.1.deb'
}

#####puppet://

class { 'elasticsearch':
  package_url => 'puppet:///path/to/elasticsearch-1.2.1.deb'
}

#####Local file

class { 'elasticsearch':
  package_url => 'file:/path/to/elasticsearch-1.2.1.deb'
}

###Java installation

Most sites will manage Java separately; however, this module can attempt to install Java as well.

class { 'elasticsearch':
  java_install => true
}

Specify a particular Java package/version to be installed:

class { 'elasticsearch':
  java_install => true,
  java_package => 'packagename'
}

###Service management

Currently only the basic SysV-style init and Systemd service providers are supported, but other systems could be implemented as necessary (pull requests welcome).

####Defaults File

The defaults file (/etc/defaults/elasticsearch or /etc/sysconfig/elasticsearch) for the Elasticsearch 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 { 'elasticsearch':
  init_defaults_file => 'puppet:///path/to/defaults'
}

#####hash representation

$config_hash = {
  'ES_USER' => 'elasticsearch',
  'ES_GROUP' => 'elasticsearch',
}

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

Note: init_defaults hash can be passed to the main class and to the instance.

##Advanced features

###Data directories

There are 4 different ways of setting data directories for Elasticsearch. In every case the required configuration options are placed in the elasticsearch.yml file.

####Default By default we use:

/usr/share/elasticsearch/data/$instance_name

Which provides a data directory per instance.

####Single global data directory

class { 'elasticsearch':
  datadir => '/var/lib/elasticsearch-data'
}

Creates the following for each instance:

/var/lib/elasticsearch-data/$instance_name

####Multiple Global data directories

class { 'elasticsearch:
  datadir => [ '/var/lib/es-data1', '/var/lib/es-data2']
}

Creates the following for each instance: /var/lib/es-data1/$instance_name and /var/lib/es-data2/$instance_name

####Single instance data directory

class { 'elasticsearch': }

elasticsearch::instance { 'es-01':
  datadir => '/var/lib/es-data-es01'
}

Creates the following for this instance: /var/lib/es-data-es01

####Multiple instance data directories

class { 'elasticsearch': }

elasticsearch::instance { 'es-01':
  datadir => ['/var/lib/es-data1-es01', '/var/lib/es-data2-es01']
}

Creates the following for this instance: /var/lib/es-data1-es01 and /var/lib/es-data2-es01

###Main and instance configurations

The config option in both the main class and the instances can be configured to work together.

The options in the instance config hash will merged with the ones from the main class and override any duplicates.

Simple merging

class { 'elasticsearch':
  config => { 'cluster.name' => 'clustername' }
}

elasticsearch::instance { 'es-01':
  config => { 'node.name' => 'nodename' }
}
elasticsearch::instance { 'es-02':
  config => { 'node.name' => 'nodename2' }
}

This example merges the cluster.name together with the node.name option.

Overriding

When duplicate options are provided, the option in the instance config overrides the ones from the main class.

class { 'elasticsearch':
  config => { 'cluster.name' => 'clustername' }
}

elasticsearch::instance { 'es-01':
  config => { 'node.name' => 'nodename', 'cluster.name' => 'otherclustername' }
}

elasticsearch::instance { 'es-02':
  config => { 'node.name' => 'nodename2' }
}

This will set the cluster name to otherclustername for the instance es-01 but will keep it to clustername for instance es-02

####Configuration writeup

The config hash can be written in 2 different ways:

Full hash writeup

Instead of writing the full hash representation:

class { 'elasticsearch':
  config                 => {
   'cluster'             => {
     'name'              => 'ClusterName',
     'routing'           => {
        'allocation'     => {
          'awareness'    => {
            'attributes' => 'rack'
          }
        }
      }
    }
  }
}
Short hash writeu
class { 'elasticsearch':
  config => {
    'cluster' => {
      'name' => 'ClusterName',
      'routing.allocation.awareness.attributes' => 'rack'
    }
  }
}

##Limitations

This module has been built on and tested against Puppet 2.7 and higher.

The module has been tested on:

  • Debian 6/7
  • CentOS 6
  • Ubuntu 12.04, 13.x, 14.x
  • OpenSuSE 12.x

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

##Development

##Support

Need help? Join us in #elasticsearch on Freenode IRC or subscribe to the elasticsearch@googlegroups.com mailing list.