Contents

#!/usr/bin/env ruby
#
#   memcached-graphite
#
# DESCRIPTION:
#   Push Memcached stats into graphite
#
# OUTPUT:
#   metric data
#
# PLATFORMS:
#   Linux
#
# DEPENDENCIES:
#   gem: sensu-plugin
#   gem: memcached
#   gem: socket
#
# USAGE:
#   #YELLOW
#
# NOTES:
#   #YELLOW
#   HitRatio percent and per second calculations
#
# LICENSE:
#   Copyright 2012 Pete Shima <[e-mail]>
#   Released under the same terms as Sensu (the MIT license); see LICENSE
#   for details.
#

require 'sensu-plugin/metric/cli'
require 'dalli'
require 'socket'

class MemcachedGraphite < Sensu::Plugin::Metric::CLI::Graphite
  option :host,
         short: '-h HOST',
         long: '--host HOST',
         description: 'Memcached Host to connect to',
         default: 'localhost'

  option :port,
         short: '-p PORT',
         long: '--port PORT',
         description: 'Memcached Port to connect to',
         proc: proc(&:to_i),
         default: 11_211

  option :scheme,
         description: 'Metric naming scheme, text to prepend to metric',
         short: '-s SCHEME',
         long: '--scheme SCHEME',
         default: "#{::Socket.gethostname}.memcached"

  def run
    cache = Dalli::Client.new("#{config[:host]}:#{config[:port]}")

    # cache.stats returns a hash of server => stats. Since we only have one
    # server, we can just grab the first value and iterate over that.
    cache.stats.values.first.each do |k, v|
      output "#{config[:scheme]}.#{k}", v
    end

    ok
  end
end

Version data entries

2 entries across 2 versions & 2 rubygems

Version	Path
sensu-plugins-memcached-boutetnico-1.0.0	bin/metrics-memcached-graphite.rb
sensu-plugins-memcached-0.1.3	bin/metrics-memcached-graphite.rb