Top Level Namespace

Defined Under Namespace

Classes: MemcacheStats

Instance Method Summary collapse

Instance Method Details

#counter_to_gauge(prefix, counter, value) ⇒ Object 



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# File 'bin/memclusterstats', line 13

def counter_to_gauge(prefix, counter, value)
  field_name = [prefix, counter].join("_")
  if @counter_list[field_name].nil?
    @counter_list[field_name] = value.to_f
    return 0.0
  else
    ret = value.to_f - @counter_list[field_name]
    @counter_list[field_name] = value.to_f
    return ret
  end
end

#get_memcached_clusters(discovery, port) ⇒ Object 



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# File 'bin/memclusterstats', line 25

def get_memcached_clusters(discovery, port)
  res = {}
  begin 
    if (state = JSON.parse(RestClient.get("http://#{discovery}:#{port}/state"))) #, :symbolize_keys => true))
      state.each do |service|
        if service['serviceName'] == "memcached"
          res[service['serviceType']] ||= []
          res[service['serviceType']] << {
            :host => service['properties']['serviceAddress'],
            :port => service['properties']['servicePort']
          }
        end
      end
    end
  rescue
    return nil
  end
  
  remove_dups = 0
  
  if remove_dups
    res_keys = res.keys
    res_dups = {}
  
    res_keys.each_with_index do |clustera, indexa|
      next if res_dups[clustera]
      for indexb in (indexa + 1 .. res_keys.length - 1)
        clusterb = res_keys[indexb]
        if res[clusterb].include?(res[clustera][0])
          res_dups[clusterb] = clustera
        end
      end
    end
  
    res_fixes = {}
  
    res_dups.each_key do |cluster|
      res_fixes[res_dups[cluster]] = res_dups[cluster] if res_fixes[res_dups[cluster]].nil?
      res_fixes[res_dups[cluster]] = [res_fixes[res_dups[cluster]], cluster].join("-")
      res.delete(cluster)
    end
    
    res_fixes.each_key do |cluster|
      res[res_fixes[cluster]] = res[cluster]
      res.delete(cluster)
    end
  end
  
  return res
end

#publish_metric(config, publish_host, name, value, slope, units, type) ⇒ Object 



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# File 'bin/memclusterstats', line 76

def publish_metric(config, publish_host, name, value, slope, units, type)
  c_value = (type == 'double') ? value.to_f : value.to_i

  Ganglia::GMetric.send(
    config['gmond']['host'],
    config['gmond']['port'], {
      :name => name,
      :units => units,
      :type => type,
      :value => c_value,
      :tmax => 60,
      :dmax => 300,
      :group => config['gmond']['group'],
      :slope => slope,
      :spoof => 1,
      :hostname => "#{publish_host}:#{publish_host}"
   })
end