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logstash (16) Versions 0.1.0

Installs/Configures logstash

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

Description

This is the semi-official 'all-in-one' Logstash cookbook.

Requirements

All of the requirements are explicitly defined in the recipes. Every effort has been made to utilize official Opscode cookbooks.

However if you wish to use an external ElasticSearch cluster, you will need to install that yourself and change the relevant attributes for discovery. The same applies to integration with Graphite.

I recommend the following cookbooks for Graphite and ES:

It's possibly that this will be remedied in the future.

Attributes

Default

  • node[:logstash][:basedir] - the base directory for all the Logstash components
  • node[:logstash][:user] - the owner for all Logstash components
  • node[:logstash][:group] - the group for all Logstash components
  • node[:logstash][:graphite_role] - the Chef role to search for discovering your preexisting Graphite server
  • node[:logstash][:elasticsearch_role] - the Chef role to search for discovering your preexisting ElasticSearch cluster.
  • node[:logstash][:elasticsearch_cluster] - the cluster name assigned to your preexisting ElasticSearch cluster. Only applies to external ES clusters.

Agent

  • node[:logstash][:agent][:install_method] - The method to install logstash - either jar or source
  • node[:logstash][:agent][:version] - The version of Logstash to install. Only applies to jar install method.
  • node[:logstash][:agent][:source_url] - The URL of the Logstash jar to download. Only applies to jar install method.
  • node[:logstash][:agent][:checksum] - The checksum of the jar file. Only applies to jar install method.
  • node[:logstash][:agent][:base_config] - The name of the template to use for logstash.conf as a base config.
  • node[:logstash][:agent][:xms] - The minimum memory to assign the JVM.
  • node[:logstash][:agent][:xmx] - The maximum memory to assign the JVM.
  • node[:logstash][:agent][:debug] - Run logstash with -v option?
  • node[:logstash][:agent][:server_role] - The role of the node behaving as a Logstash server/indexer

Server

  • node[:logstash][:server][:install_method] - The method to install logstash - either jar or source
  • node[:logstash][:server][:version] - The version of Logstash to install. Only applies to jar install method.
  • node[:logstash][:server][:source_url] - The URL of the Logstash jar to download. Only applies to jar install method.
  • node[:logstash][:server][:checksum] - The checksum of the jar file. Only applies to jar install method.
  • node[:logstash][:server][:base_config] - The name of the template to use for logstash.conf as a base config.
  • node[:logstash][:server][:xms] - The minimum memory to assign the JVM.
  • node[:logstash][:server][:xmx] - The maximum memory to assign the JVM.
  • node[:logstash][:server][:debug] - Run logstash with -v option?
  • node[:logstash][:server][:enable_embedded_es] - Should Logstash run with the embedded ElasticSearch server or not?

Kibana

  • node[:logstash][:kibana][:repo] - The git repo to install Kibana from.
  • node[:logstash][:kibana][:sha] - The sha/branch of the repo you wish to clone.
  • node[:logstash][:kibana][:apache_template] - The name of the template file to use for the Apache site file
  • node[:logstash][:kibana][:config] - The name of the template to use for the Kibana config.php file
  • node[:logstash][:kibana][:elasticsearch_role] - The role of you ElasticSearch server. Defaults to 127.0.0.1 if not found.
  • node[:logstash][:kibana][:server_name] - The value to use for the Apache ServerName variable to use for the Kibana Apache virtual host.

Source

  • node[:logstash][:source][:repo] - The git repo to use for the source code of Logstash
  • node[:logstash][:source][:sha] - The sha/branch of the repo you wish to clone.
  • node[:logstash][:source][:java_home] - your JAVA_HOME location. Needed explicity for ant when building JRuby

Usage

A proper readme is forthcoming but in the interim....

There are 3 recipes you need to concern yourself with:

  • server - This would be your indexer node
  • agent - This would be a local host's agent for collection
  • kibana - This is the web interface

Every attempt (and I mean this) was made to ensure that the following objectives were met:

  • Any agent install can talk to a server install
  • Kibana web interface can talk to the server install
  • Each component works OOB and with each other
  • Utilize official opscode cookbooks where possible

This setup makes HEAVY use of roles. Additionally, ALL paths have been made into attributes. Everything I could think of that would need to be customized has been made an attribute.

Defaults

By default, the recipes look for the following roles (defined as attributes so they can be overridden):

  • graphite_server - node[:logstash][:graphite_role]
  • elasticsearch_server - node[:logstash][:elasticsearch_role]
  • logstash_server - node[:logstash][:kibana][:elasticsearch_role] and node[:logstash][:agent[:server_role]

The reason for giving kibana its own role assignment is to allow you to point to existing ES clusters/logstash installs.

The reason for giving agent its own role assignment is to allow the server and agent recipes to work together.

Yes, if you have a graphite installation with a role of graphite_server, logstash will send stats of events received to logstash.events.

Agent and Server configuration

The template to use for configuration is made an attribute as well. This allows you to define your OWN logstash configuration file without mucking with the default templates.

The server will, by default, enable the embedded ES server. This can be overriden as well.

See the server and agent attributes for more details.

Source vs. Jar install methods

Both agent and server support an attribute for how to install. By default this is set to source since the logtash chef handler requires changes only present in master. The current release is defined in attributes if you choose to go the jar route.

Out of the box behaviour

Here are some basic steps

  • Create a role called logstash_server and assign it the following recipes: logstash::server and logstash::kibana
  • Assign the role to a new server
  • Assign the logstash::agent recipe to another server

If there is a system found with the logstash_server role, the agent will automatically configure itself to send logs to it over tcp port 5959. This is, not coincidently, the port used by the chef logstash handler.

If there is NOT a system with the logstash_server role, the agent will use a null output. The default input is to read files from /var/log/*.log excluding and gzipped files.

If you point your browser to the logstash_server system's ip address, you should get the kibana web interface.

Do something to generate a new line in any of the files in the agent's watch path (I like to SSH to the host), and the events will start showing up in kibana. You might have to issue a fresh empty search.

The pyshipper recipe will work as well but it is NOT wired up to anything yet.

BIG WARNING

  • Everything uses runit. Get over it. I'll take patches but I'm not fucking with init scripts myself.
  • Currently only tested on Ubuntu Natty. However everything NOT logstash-y, is using official opscode cookbooks so if THOSE are cross platform, this should work. I do plan on testing myself.

LICENSE

Apache 2.0, broheim.

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