#!/usr/bin/env ruby

require "English"

def output_config
  puts <<-END
graph_args --base 1000
graph_category passenger
graph_title Passenger requests
graph_vlabel requests / ${graph_period}

requests.label requests
requests.type DERIVE
requests.max 1000000
requests.min 0
END
  exit 0
end

def output_values
  status = `/usr/sbin/passenger-status`
  unless $CHILD_STATUS.success?
    $stderr.puts "failed executing passenger-status"
    exit 1
  end
  total_requests = 0
  status.scan(/Processed: (\d+)/).flatten.each { |count| total_requests += count.to_i }
  puts "requests.value #{total_requests}"
end

if ARGV[0] == "config"
  output_config
else
  output_values
end