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graylog (23) Versions 0.1.0

Installs/Configures graylog

Berkshelf/Librarian
Policyfile
Knife
cookbook 'graylog', '= 0.1.0'
cookbook 'graylog', '= 0.1.0', :supermarket
knife cookbook site install graylog
knife cookbook site download graylog
README
Dependencies
Quality

graylog cookbook

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

Including the following support services:

  • Elasticsearch
  • MongoDB

Quickstart

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

  1. Setup application secrets
  node['graylog']['server']['graylog2.conf']['password_secret'] = 'CHANGE ME!'
  node['graylog']['server']['graylog2.conf']['root_password_sha2'] = '...' # generate with "echo -n yourpassword | shasum -a 256"
  node['graylog']['web_interface']['graylog2-web-interface.conf']['application.secret'] = 'CHANGE ME!'
  1. Add default recipe to your run_list
  {
    "run_list": [
      "recipe[graylog::default]"
    ]
  }

Supported Platforms

Currently tested on Ubuntu-14.04 LTS.

Dependencies

Attributes

graylog2 server

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

node['graylog']['server']['version'] = '0.20.3'                         # Version to install
node['graylog']['server']['user'] = 'graylog2'                          # User graylog2 uses (will be created)
node['graylog']['server']['url'] = 'https://example.com/graylog.tar.gz' # URL to graylog2 tar.gz package (Github is the default)

Attributes to configure Graylog2. The password_secret and root_password_sha2 attributes NEED to be changed, otherwise your installation will use the default ones, which is insecure!

# 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. If you need to change it,
# modify it in this file.
# Create one by using for example: echo -n yourpassword | shasum -a 256
# and put the resulting hash value into the following line
#
# This cookbook defaults password to 'CHANGEME!'
node['graylog']['server']['graylog2.conf']['root_password_sha2'] = '90aba6bd1562f5af8f912ac3fe00d9ed7387bd84ec32f3da7415f4078da5efb8'

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'] = '127.0.0.1:1234'

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

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

Web-Interface

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

node['graylog']['web_interface']['version'] = '0.20.3'                              # Version to install
node['graylog']['web_interface']['user'] = 'graylog2'                               # User graylog2 uses (will be created)
node['graylog']['web_interface']['url'] = 'https://example.com/webinterface.tar.gz' # URL to graylog2 tar.gz package (Github is the default)

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'

Elasticsearch

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: http://www.elasticsearch.org/blog/apt-and-yum-repositories/
node['graylog']['elasticsearch']['version'] = '0.90'

# Assign half of the systems memory to elasticsearch heap (recommended setting)
# See: http://support.torch.sh/help/kb/graylog2-server/configuring-and-tuning-elasticsearch-for-graylog2-v0200
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'] = '127.0.0.1'
node['graylog']['elasticsearch']['port'] = 9300

MongoDB

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

Recipes

graylog::default

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

graylog::elasticsearch

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

graylog::server

Installs and configures Graylog2 server.

graylog::web_interface

Installs and configures Graylog2 web-interface.

Contributing

  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 (me@chr4.org)

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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