Class: DatadogMetricsParser

Inherits:
BaseMetricsParser show all
Defined in:
lib/fluent/plugin/datadog_metrics_parser.rb

Instance Method Summary collapse

Methods inherited from BaseMetricsParser

#clean_data, #emit_parsed_metrics, #normalise_data, #serialize_data

Constructor Details

#initialize(metric_prefix, router, tag) ⇒ DatadogMetricsParser

Returns a new instance of DatadogMetricsParser.



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# File 'lib/fluent/plugin/datadog_metrics_parser.rb', line 6

def initialize(metric_prefix, router, tag)
  @metric_prefix = metric_prefix
  @router = router
  @tag = tag
end

Instance Method Details

#format_data(cleaned_data = [], prefix = '', separator = '') ⇒ Object 



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# File 'lib/fluent/plugin/datadog_metrics_parser.rb', line 12

def format_data(cleaned_data = [], prefix = '', separator = '')
  hash_data_array = []
  data_hash = {}
  data_array = []
  cleaned_data.each do |interim_data|
    metrics_hash = {}
    tags = []
    point = {}
    points = []
    if interim_data =~ /{/ && interim_data =~ /}/
      metric_name, additional_dims, metric_val_and_time = interim_data.match(/(.*){(.*)}(.*)/i).captures
      additional_dims.split("\",").each do |interim_data|
        pair_data = interim_data.gsub("\"", "").gsub("{", "").gsub("}", "")
        interim_data_value = pair_data.split("=", 2)[1]
        interim_data_key = pair_data.split("=", 2)[0]
        interim_data_tag = interim_data_key + ':' + interim_data_value
        tags << interim_data_tag
      end
      if metric_val_and_time =~ / /
        metrics_hash['metric'] = prefix + separator + metric_name
        metric_timestamp = metric_val_and_time.strip.split[1]
        point['timestamp'] = metric_timestamp[0,10].to_i if metric_timestamp != nil
        point['value'] = metric_val_and_time.strip.split[0] =~ /^\S*\.\S*$/ ? metric_val_and_time.strip.split[0].to_f : metric_val_and_time.strip.split[0].to_i
        points << point
        metrics_hash['points'] = points
        metrics_hash['tags'] = tags
      end
    else
      metrics_hash['metric'], metric_value, metric_timestamp = interim_data.split
      metrics_hash['metric'] = prefix + separator + metrics_hash['metric']
      point['value'] = metric_value =~ /^\S*\.\S*$/ ? metric_value.to_f : metric_value.to_i
      point['timestamp'] = metric_timestamp[0,10].to_i
      points << point
      metrics_hash['points'] = points
    end
    metrics_hash['type'] = 3
    data_array << metrics_hash
  end
  data_hash["series"] = data_array
  hash_data_array.push(data_hash)
  hash_data_array
end