#!/usr/bin/ruby

files = [
  {
    :label => "planet",
    :name => "/store/planet/planet/planet-latest.osm.bz2",
    :title => "Planet Dump",
    :frequency => 7 * 24 * 60 * 60,
    :warning => 1.05,
    :critical => 1.1
  },
  {
    :label => "day",
    :name => "/store/planet/replication/day/state.txt",
    :title => "Daily Replication",
    :frequency => 24 * 60 * 60,
    :warning => 1.05,
    :critical => 1.1
  },
  {
    :label => "hour",
    :name => "/store/planet/replication/hour/state.txt",
    :title => "Hourly Replication",
    :frequency => 60 * 60,
    :warning => 1.05,
    :critical => 1.1
  },
  {
    :label => "minute",
    :name => "/store/planet/replication/minute/state.txt",
    :title => "Minutely Replication",
    :frequency => 60,
    :warning => 5,
    :critical => 10
  }
]

if ARGV[0] == "config"
  puts "graph_title Planet Age"
  puts "graph_args --base 1000 --lower-limit 0"
  puts "graph_scale no"
  puts "graph_vlabel fraction of expected max age"
  puts "graph_category planet"

  files.each do |file|
    puts "#{file[:label]}.label #{file[:title]}"
    puts "#{file[:label]}.type GAUGE"
    puts "#{file[:label]}.warning 0:#{file[:warning]}"
    puts "#{file[:label]}.critical 0:#{file[:critical]}"
  end
else

  files.each do |file|
    value = (Time.now - File.mtime(file[:name])) / file[:frequency]

    puts "#{file[:label]}.value #{value}"
  end
end