Class: MetriksAddons::SignalFxReporter

Inherits:
BaseReporter show all
Defined in:
lib/metriks-addons/signalfx_reporter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from BaseReporter

#flush, #log, #restart, #start, #stop

Constructor Details

#initialize(h, token, id, tags, options = {}) ⇒ SignalFxReporter

Returns a new instance of SignalFxReporter.



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 10

def initialize(h, token, id, tags, options = {})
  super(options)
  @hostname = h
  @x_sf_token = token
  @orgid = id
  @tags = tags

  @prefix = options[:prefix]
  @source = options[:source]

  @batch_size   = options[:batch_size] || 50

  if not @logger.nil?
    RestClient.log =
      Object.new.tap do |proxy|
        def proxy.<<(message)
          Rails.logger.debug message
        end
      end
  end
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 8

def data
  @data
end

#hostname ⇒ Object

Returns the value of attribute hostname.



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 8

def hostname
  @hostname
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 8

def logger
  @logger
end

#prefix ⇒ Object

Returns the value of attribute prefix.



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 8

def prefix
  @prefix
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 8

def source
  @source
end

#tags ⇒ Object

Returns the value of attribute tags.



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 8

def tags
  @tags
end

Instance Method Details

#create_datapoints(base_name, metric, time, keys, snapshot_keys = []) ⇒ Object 



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 100

def create_datapoints(base_name, metric, time, keys, snapshot_keys = [])
  datapoints = []
  keys.flatten.each do |key|
    name = key.to_s.gsub(/^get_/, '')
    datapoints << {
      :metric => "#{base_name}.#{name}",
      :timestamp => time*1000,
      :value => metric.send(key),
      :dimensions => @tags
    }
  end

  unless snapshot_keys.empty?
    snapshot = metric.snapshot
    snapshot_keys.flatten.each do |key|
      name = key.to_s.gsub(/^get_/, '')
      datapoints << {
        :metric => "#{base_name}.#{name}",
        :timestamp => time*1000,
        :value => snapshot.send(key),
        :dimensions => @tags
      }
    end
  end
  datapoints
end

#get_datapoints ⇒ Object 



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 44

def get_datapoints
  time = @time_tracker.now_floored

  datapoints = {}
  counter = []
  gauge = []
  log "debug", "Resgistry: #{@registry}"
  @registry.each do |name, metric|
    next if name.nil? || name.empty?
    name = name.to_s.gsub(/ +/, '_')
    if @prefix
      name = "#{@prefix}.#{name}"
    end

    case metric
    when Metriks::Meter
      counter |= create_datapoints name, metric, time, [
        :count, :mean_rate
      ]
    when Metriks::Counter
      counter |= create_datapoints name, metric, time, [
        :count
      ]
    when Metriks::Gauge
      gauge |= create_datapoints name, metric, time, [
        :value
      ]
    when Metriks::UtilizationTimer
      counter |= create_datapoints name, metric, time, [
        :count, :mean_rate, :min, :max, :mean, :stddev, 
        :mean_utilization
      ], [
        :median
      ]

      when Metriks::Timer
      counter |= create_datapoints name, metric, time, [
        :count, :mean_rate, :min, :max, :mean, :stddev
      ], [
        :median
      ]
      when Metriks::Histogram
      counter |= create_datapoints name, metric, time, [
        :count, :min, :max, :mean, :stddev
      ], [
        :median
      ]
    end
  end

  datapoints[:counter] = counter if counter.any?
  datapoints[:gauge] = gauge if gauge.any?

  datapoints
end

#submit(datapoints) ⇒ Object 



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# File 'lib/metriks-addons/signalfx_reporter.rb', line 32

def submit(datapoints)
  return if datapoints.empty?

  jsonstr = datapoints.to_json
  log "debug", "Json for SignalFx: #{jsonstr}"
  response  = RestClient.post "#{@hostname}?orgid=#{@orgid}",
            jsonstr,
            :content_type => :json, :accept => :json, :'X-SF-TOKEN' => @x_sf_token
  log "info", "Sent #{datapoints.size} metrics to SignalFX"
  log "debug", "Response is: #{response}"
end