Class: Metrics::Reporters::GangliaReporter

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby-metrics/reporters/ganglia.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ GangliaReporter

Returns a new instance of GangliaReporter.



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# File 'lib/ruby-metrics/reporters/ganglia.rb', line 13

def initialize(options = {})
  @host_ip = options[:host_ip]
  @host_port = options[:host_port] 
end

Instance Attribute Details

#host_ip ⇒ Object (readonly)

Returns the value of attribute host_ip.



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# File 'lib/ruby-metrics/reporters/ganglia.rb', line 10

def host_ip
  @host_ip
end

#host_port ⇒ Object (readonly)

Returns the value of attribute host_port.



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# File 'lib/ruby-metrics/reporters/ganglia.rb', line 11

def host_port
  @host_port
end

Instance Method Details

#report(agent) ⇒ Object 



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# File 'lib/ruby-metrics/reporters/ganglia.rb', line 42

def report(agent)

  agent.instruments.each do |name, instrument|
    nothing_to_do = false
    data =  { :name => name, :units => instrument.units }
    case instrument
      when Metrics::Instruments::Counter
        value = instrument.to_i
        data.merge! :value => value.to_i
        send_data data
      when Metrics::Instruments::Gauge
        if instrument.get.is_a? Hash
          instrument.get.each do |key, value|
            data.merge! :name => "#{name}_#{key}", :value => value
            send_data data
          end
        else 
          data.merge! :value => instrument.get
          send_data data
        end
      when Metrics::Instruments::Timer
        [:count, :fifteen_minute_rate, :five_minute_rate, :one_minute_rate, :min, :max, :mean].each do |attribute|
          data.merge!(:name => "#{name}_#{attribute}", :value => instrument.send(attribute))
          send_data data
        end
      when Metrics::Instruments::Meter
        [:count, :fifteen_minute_rate, :five_minute_rate, :one_minute_rate, :mean_rate].each do |attribute|
          data.merge!(:name => "#{name_attribute}", :value => instrument.send(attribute) )
        end
      else 
        puts "Unhandled instrument"
    end
  end
end

#send_data(data) ⇒ Object 



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# File 'lib/ruby-metrics/reporters/ganglia.rb', line 18

def send_data(data)
  puts "Sending data: #{data.inspect}"
  data_type = case data[:value].class.to_s
              when "Fixnum"
                "uint32"
              when "Float"
                "float"
              when "String"
                "string"
              else
                "unknown"
              end

  Ganglia::GMetric.send(@host_ip, @host_port.to_i, {
     :spoof => 0,
     :name => data[:name],
     :units => data[:units],
     :type => data_type,
     :value => data[:value],
     :tmax => 60,
     :dmax => 300,
  })
end