mirror of
https://github.com/cmur2/dyndnsd.git
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111 lines
2.9 KiB
Ruby
111 lines
2.9 KiB
Ruby
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# Adapted from https://github.com/eric/metriks-graphite/blob/master/lib/metriks/reporter/graphite.rb
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require 'metriks'
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module Dyndnsd
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class TextfileReporter
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attr_reader :file
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def initialize(file, options = {})
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@file = file
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@prefix = options[:prefix]
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@registry = options[:registry] || Metriks::Registry.default
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@interval = options[:interval] || 60
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@on_error = options[:on_error] || proc { |ex| }
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end
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def start
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@thread ||= Thread.new do
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loop do
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sleep @interval
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Thread.new do
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begin
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write
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rescue StandardError => e
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@on_error[e] rescue nil
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end
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end
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end
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end
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end
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def stop
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@thread&.kill
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@thread = nil
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end
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def restart
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stop
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start
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end
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def write
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File.open(@file, 'w') do |f|
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@registry.each do |name, metric|
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case metric
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when Metriks::Meter
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write_metric f, name, metric, [
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:count, :one_minute_rate, :five_minute_rate,
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:fifteen_minute_rate, :mean_rate
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]
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when Metriks::Counter
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write_metric f, name, metric, [
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:count
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]
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when Metriks::UtilizationTimer
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write_metric f, name, metric, [
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:count, :one_minute_rate, :five_minute_rate,
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:fifteen_minute_rate, :mean_rate,
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:min, :max, :mean, :stddev,
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:one_minute_utilization, :five_minute_utilization,
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:fifteen_minute_utilization, :mean_utilization
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], [
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:median, :get_95th_percentile
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]
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when Metriks::Timer
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write_metric f, name, metric, [
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:count, :one_minute_rate, :five_minute_rate,
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:fifteen_minute_rate, :mean_rate,
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:min, :max, :mean, :stddev
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], [
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:median, :get_95th_percentile
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]
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when Metriks::Histogram
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write_metric f, name, metric, [
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:count, :min, :max, :mean, :stddev
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], [
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:median, :get_95th_percentile
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]
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end
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end
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end
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end
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def write_metric(file, base_name, metric, keys, snapshot_keys = [])
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time = Time.now.to_i
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base_name = base_name.to_s.gsub(/ +/, '_')
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base_name = "#{@prefix}.#{base_name}" if @prefix
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keys.flatten.each do |key|
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name = key.to_s.gsub(/^get_/, '')
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value = metric.send(key)
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file.write("#{base_name}.#{name} #{value} #{time}\n")
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end
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unless snapshot_keys.empty?
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snapshot = metric.snapshot
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snapshot_keys.flatten.each do |key|
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name = key.to_s.gsub(/^get_/, '')
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value = snapshot.send(key)
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file.write("#{base_name}.#{name} #{value} #{time}\n")
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end
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end
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end
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end
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end
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