gistfile1.txt

#!/usr/bin/env ruby
#
# Released under the same terms as Sensu (the MIT license); see LICENSE
# for details
#

require 'rubygems' if RUBY_VERSION < '1.9.0'
require 'sensu-handler'
require 'rest-client'

class TTLExpiry < Sensu::Handler
  def host
    settings['ttlexpiry']['server'] || 'localhost'
  rescue
    'localhost'
  end

  def port
    settings['ttlexpiry']['port'] || 4567
  rescue
    4567
  end

  def resurl
    "http://#{host}:#{port}/results/#{@event['client']['name']}/#{@event['check']['name']}"
  rescue => e
    puts "failed to expand result URL for deletion: #{e}"
  end

  def evturl
    "http://#{host}:#{port}/events/#{@event['client']['name']}/#{@event['check']['name']}"
  rescue => e
    puts "failed to expand event URL for deletion: #{e}"
  end

  def filter
    # we always want to run our check below...
  end

  def handle
    if @event['check']['output'] =~ /^Last check execution was /
      # deleting the event "resolves" the alert, and generates a result of
      # "Resolved by the API", which we subsequently delete.
      RestClient.delete evturl
      sleep 5
      RestClient.get resurl
      RestClient.delete resurl
    end
  rescue => e
    puts "Something went wrong in deleting event: #{e}"
  end
end