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DESCRIPTION: ↑

Provides a Chef handler which can report run status, including any changes that were made, to a Graylog2 server. In the case of failed runs a backtrace will be included in the details reported.

REQUIREMENTS: ↑

  • A Graylog2 server running somewhere.

USAGE: ↑

This example makes of the chef_handler cookbook, place some thing like this in cookbooks/chef_handler/recipes/gelf.rb and add it to your run list. It also assumes your Graylog2 server has set the attribute rsyslog_server to true.

log_server = search(:node, "rsyslog_server:true").first

if log_server
  include_recipe "chef_handler::default"

  gem_package "chef-gelf" do
    action :nothing
  end.run_action(:install)

  # Make sure the newly installed Gem is loaded.
  Gem.clear_paths
  require 'chef/gelf'

  chef_handler "Chef::GELF::Handler" do
    source "chef/gelf"
    arguments({
      :server => log_server['fqdn']
    })

    supports :exception => true, :report => true
  end.run_action(:enable)
end

Arguments take the form of an options hash, with the following options:

  • :server - The server to send messages to.

  • :port (12201) - The port to send on.

  • :facility (chef-client) - The facility to report under.

  • :host (node.fqdn) - The host to report messages as coming from.

  • :blacklist ({}) - A hash of cookbooks, resources and actions to ignore in the change list.

BLACKLISTING: ↑

Some resources report themselves as having updated on every run even if nothing changed, or are just things you don’t care about. To reduce the amount of noise in your logs these can be ignored by providing a blacklist. In this example we don’t want to be told about the GELF handler being activated:

chef_handler "Chef::GELF::Handler" do
  source "chef/gelf"
  arguments({
    :server => log_server['fqdn'],
    :blacklist => {
      "chef_handler" => {
        "chef_handler" => [ "nothing", "enable" ]
      }
    }
  })

  supports :exception => true, :report => true
end.run_action(:enable)

LICENSE and AUTHOR: ↑

Author

Jon Wood (<jon@blankpad.net>)

Copyright

2011, Blank Pad Development

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.