getstats.rb

#!/usr/bin/env ruby

require 'statgrab'
require 'json'

sg = Statgrab.new
stats = {}
#puts "#{sg.memory[:free]/1024}m"
#puts sg.memory.to_json()

sg_methods = ['cpu', 'cpu_difference', 'cpu_percents', 'cpu_stats', 'cpu_stats_diff', 'disk_io_stats', 'disk_io_stats_diff', 'file_system', 'fs', 'fs_stats', 'host', 'host_info', 'iface', 'load_average', 'load_stats', 'loadavg', 'mem_stats', 'memory', 'net', 'net_difference', 'net_iface', 'net_io', 'network', 'network_difference', 'network_iface', 'network_iface_stats', 'network_io', 'network_io_difference', 'network_io_stats', 'network_io_stats_diff', 'page', 'page_difference', 'page_stats', 'page_stats_diff', 'pages', 'proc', 'proc_count', 'process_count', 'process_stats', 'processes', 'ps', 'swap_stats', 'system', 'system_load', 'user_stats', 'users']

#puts sg.cpu.to_json

sg_methods.each do |m|
  begin
    stat  = sg.send(m)
    stats[m] = stat.to_json
  rescue Statgrab::ParseError
#    puts m
  end
end

jsonfile = File.new("stats.js", "w")

jsonfile.puts(stats.to_json)

`gzip -f stats.js`