Contents

#! /usr/bin/env ruby
#
#   puma-metrics
#
# DESCRIPTION:
#   Pull puma metrics
#
# OUTPUT:
#   metric data
#
# PLATFORMS:
#   Linux
#
# DEPENDENCIES:
#   gem: sensu-plugin
#
# USAGE:
#   #YELLOW
#
# NOTES:
#   Requires app to be running with --control auto --state "/tmp/puma.state"
#
# LICENSE:
#   Copyright 2014 Sonian, Inc. and contributors. <[e-mail]>
#   Released under the same terms as Sensu (the MIT license); see LICENSE
#   for details.
#

require 'sensu-plugin/metric/cli'

require 'json'
require 'puma/configuration'
require 'socket'
require 'yaml'

class PumaMetrics < Sensu::Plugin::Metric::CLI::Graphite
  option :scheme,
         description: 'Metric naming scheme, text to prepend to metric',
         short: '-s SCHEME',
         long: '--scheme SCHEME',
         default: "#{Socket.gethostname}.puma"

  option :state_file,
         description: 'Puma state file',
         short: '-p STATE_FILE',
         long: '--state-file SOCKET',
         default: '/tmp/puma.state'

  def puma_options
    @puma_options ||= begin
      return nil unless File.exist?(config[:state_file])
      YAML.load_file(config[:state_file])['config'].options
    end
  end

  def puma_stats
    stats = Socket.unix(puma_options[:control_url].gsub('unix://', '')) do |socket|
      socket.print("GET /stats?token=#{puma_options[:control_auth_token]} HTTP/1.0\r\n\r\n")
      socket.read
    end

    JSON.parse(stats.split("\r\n").last)
  end

  def run
    puma_stats.map do |k, v|
      output "#{config[:scheme]}.#{k}", v
    end
    ok
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
sensu-plugins-puma-1.0.0	bin/metrics-puma.rb
sensu-plugins-puma-0.0.3	bin/metrics-puma.rb
sensu-plugins-puma-0.0.2	bin/metrics-puma.rb
sensu-plugins-puma-0.0.1	bin/metrics-puma.rb