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graylog (23) Versions 0.20.6

Installs/Configures graylog

cookbook 'graylog', '= 0.20.6'
cookbook 'graylog', '= 0.20.6', :supermarket
knife cookbook site install graylog
knife cookbook site download graylog

graylog cookbook

This cookbook sets up Graylog2, version >= 0.20.x (not the old rails graylog2).

Including the following support services:

  • Elasticsearch
  • MongoDB


To quickly setup a working Graylog2 installation on a single node, do the following:

  1. Setup application secrets (This is important!)
  # Set this to a random string, generated e.g. with "pwgen 96"
  node['graylog']['server']['graylog2.conf']['password_secret'] = 'CHANGE ME!'

  # Generate with "echo -n yourpassword | shasum -a 256"
  node['graylog']['server']['graylog2.conf']['root_password_sha2'] = '...'

  # This also should be a random string, generated e.g. with "pwgen 96"
  node['graylog']['web_interface']['graylog2-web-interface.conf']['application.secret'] = 'CHANGE ME!'
  1. Add default recipe to your run_list
    "run_list": [

Supported Platforms

Currently tested on Ubuntu-14.04 LTS.



graylog2 server

Attributes to adjust installation details (defaults should "just work")

# Graylog2 version to install (check for current version)
node['graylog']['server']['version'] = '0.20.3'

# User graylog2 runs as (will be created)
node['graylog']['server']['user'] = 'graylog2'

# URL to graylog2 tar.gz package (Github is the default)
node['graylog']['server']['url'] = ''

Attributes to configure Graylog2. The password_secret and root_password_sha2 attributes NEED to be changed!

# You MUST set a secret to secure/pepper the stored user passwords here. Use at least 64 characters.
# Generate one by using for example: pwgen -s 96
node['graylog']['server']['graylog2.conf']['password_secret'] = 'CHANGE ME!'

# the default root user is named 'admin'
# You MUST specify a hash password for the root user (which you only need to initially set up the
# system and in case you lose connectivity to your authentication backend)
# This password cannot be changed using the API or via the web interface.
# Create one by using for example: "echo -n yourpassword | shasum -a 256"
# For testing purposes (only!) you can use the password "insecure" with the following hash
node['graylog']['server']['graylog2.conf']['root_password_sha2'] = '1d92dae504a70fbcae6d3721a55d7eacaf94d3133ea5f0394b7d203d64841110'

This recipe disables multicast to learn about Elasticsearch. This is recommended for production.

# The default unicast host used and configured by this recipe is automatically retrieved from the Elasticsearch attributes
# (See below, node['graylog']['elasticsearch']['host'] and node['graylog']['elasticsearch']['port'])
node['graylog']['server']['graylog2.conf']['elasticsearch_discovery_zen_ping_multicast_enabled'] = false
node['graylog']['server']['graylog2.conf']['elasticsearch_discovery_zen_ping_unicast_hosts'] = ''

The cookbook accepts every possible configuration option supported by graylog2.conf:

node['graylog']['server']['graylog2.conf']['key'] = 'value'


Attributes to adjust installation details (defaults should "just work")

# Graylog2 web-interface version to install (check for current version)
node['graylog']['web_interface']['version'] = '0.20.3'

# User graylog2 runs as (will be created)
node['graylog']['web_interface']['user'] = 'graylog2'

# URL to graylog2 tar.gz package (Github is the default)
node['graylog']['web_interface']['url'] = ''

Configure application secret. You NEED to change this, otherwise your installation will be insecure!

# If you deploy your application to several instances be sure to use the same key!
# Generate for example with: pwgen -s 96
node['graylog']['web_interface']['graylog2-web-interface.conf']['application.secret'] = 'CHANGE ME!'

Configure timezone

node['graylog']['web_interface']['graylog2-web-interface.conf']['timezone'] = 'Europe/Berlin'

The cookbook accepts every possible configuration option supported by graylog2-web-interface.conf:

node['graylog']['web_interface']['graylog2-web-interface.conf']['key'] = 'value'


The elasticsearch recipe installs Elasticsearch using the official PPA repository. You can finetune the installation here, although the defaults should "just work".

The settings below are the defaults

# Elasticsearch version to use. Currently 0.90.x and 1.0.x versions are available
# See:
node['graylog']['elasticsearch']['version'] = '0.90'

# Assign half of the systems memory to elasticsearch heap (recommended setting)
# See:
node['graylog']['elasticsearch']['heap_size'] = "#{(node['memory']['total'].to_i / 1024 / 2).to_i}m"
node['graylog']['elasticsearch']['cluster_name'] = 'graylog2'

# Elasticsearch ip:port to use
node['graylog']['elasticsearch']['host'] = ''
node['graylog']['elasticsearch']['port'] = 9300


The default recipe installs MongoDB, using the MongoDB cookbook.

As MongoDB is only used to store small amounts of data, it's usually sufficient to use a small data partition. Therefore, smallfile is enabled by default. You can override the setting if needed, like so

node['mongodb']['config']['smallfiles'] = false



Installs and configures Elasticsearch, MongoDB, Graylog2 server and The Graylog2 web-interface.


Installs Elasticsearch from the official PPA, and configures it for Graylog2 use.


Installs and configures Graylog2 server.


Installs and configures Graylog2 web-interface.


  1. Fork the repository on Github
  2. Create a named feature branch (i.e. add-new-recipe)
  3. Write your change
  4. Write tests for your change (if applicable)
  5. Run the tests, ensuring they all pass
  6. Submit a Pull Request

License and Authors

Author:: Chris Aumann (

Dependent cookbooks

ark >= 0.0.0
mongodb >= 0.0.0
apt >= 0.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

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