Class: Fluent::InfluxdbMetricsOutput

Inherits:
BufferedOutput
  • Object
show all
Defined in:
lib/fluent/plugin/out_influxdb_metrics.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ InfluxdbMetricsOutput

Returns a new instance of InfluxdbMetricsOutput.



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 16

def initialize
  super
end

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 20

def configure(conf)
  super
end

#filter_keys ⇒ Object 



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 28

def filter_keys
  @filter_keys ||= @fields.split(',').map(&:strip)
  @filter_keys
end

#format(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 33

def format(tag, time, record)
  [tag, time, record].to_msgpack
end

#format_record(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 60

def format_record(tag, time, record)
  metric = {time: time}

  filter_keys.each do |field|
    field_scored = field.gsub('.', '_')
    path = field.split('.')
    rec_pos = record[path.shift]
    path.each do |p|
      rec_pos = rec_pos[p] if rec_pos
    end

    if rec_pos
      metric[field_scored] = rec_pos
    end
  end

  return metric if metric.keys.length > 1
  nil
end

#influx_client ⇒ Object 



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 41

def influx_client
  @influxdb ||= InfluxDB::Client.new(@dbname, host: @host,
                                               port: @port,
                                               username: @user,
                                               password: @password)
  @influxdb
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 37

def shutdown
  super
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 24

def start
  super
end

#write(chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_influxdb_metrics.rb', line 49

def write(chunk)
  bulk = []

  chunk.msgpack_each do |tag, time, record|
    formatted_record = format_record(tag, time, record)
    bulk << formatted_record if formatted_record
  end

  influx_client.write_point(@table, bulk, false, 's')
end