63 lines
1.4 KiB
Ruby
Executable File
63 lines
1.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# Source: https://github.com/cmur2/munin-bitcoin
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#
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# Example usage:
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# Do
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# ln -s /path/to/bitcoin_ bitcoin_<currency>
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# where <currency> is a currency known to https://api.bitcoinaverage.com/ticker/
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# like EUR or USD.
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#
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# Example config:
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# [bitcoin_*]
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#
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require 'rubygems'
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require 'json'
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require 'open-uri'
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script = File.basename($0)
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@currency = script.gsub('bitcoin_', '')
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@cmd = ARGV[0]
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# open stderr
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$stderr = IO.new(2, "w")
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def uri(currency)
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"https://apiv2.bitcoinaverage.com/indices/global/ticker/BTC#{currency}"
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end
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def echo_price(currency, &get_data)
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case @cmd
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when 'config'
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puts "graph_title Bitcoin (in #{currency})"
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puts "graph_args --lower-limit 0"
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puts "graph_vlabel #{currency}"
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puts "graph_category finance"
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puts "graph_scale no"
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puts "graph_info This graph shows the last price of Bitcoin from http://bitcoinaverage.com/"
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%w{last ask bid total_vol 24h_avg}.each do |x|
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puts "#{x}.label #{x.gsub('_', ' ').split(' ').map { |y| y.capitalize }.join(' ')}"
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puts "#{x}.type GAUGE"
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end
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else
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data = get_data.call
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%w{last ask bid total_vol 24h_avg}.each do |x|
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puts "#{x}.value #{data[x]}"
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end
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end
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end
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begin
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echo_price(@currency) do
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raw_data = open(uri(@currency)).read
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data = JSON.parse(raw_data)
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#puts data.inspect
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data
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end
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rescue => ex
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$stderr.puts "Cannot connect to bitcoinaverage.com: #{ex.to_s}"
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end
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