module Fluent::PluginHelper::Extract

Public Class Methods

included(mod) click to toggle source
# File lib/fluent/plugin_helper/extract.rb, line 59
def self.included(mod)
  mod.include ExtractParams
end
new() click to toggle source
Calls superclass method
# File lib/fluent/plugin_helper/extract.rb, line 63
def initialize
  super
  @_extract_enabled = false
  @_extract_tag_key = nil
  @_extract_time_key = nil
  @_extract_time_parser = nil
end

Public Instance Methods

configure(conf) click to toggle source
Calls superclass method
# File lib/fluent/plugin_helper/extract.rb, line 71
def configure(conf)
  super

  if @extract_config
    @_extract_tag_key = @extract_config.tag_key
    @_extract_time_key = @extract_config.time_key
    if @_extract_time_key
      @_extract_time_parser = case @extract_config.time_type
                              when :float then ->(v){ Fluent::EventTime.new(v.to_i, ((v.to_f - v.to_i) * 1_000_000_000).to_i) }
                              when :unixtime then ->(v){ Fluent::EventTime.new(v.to_i, 0) }
                              else
                                localtime = @extract_config.localtime && !@extract_config.utc
                                Fluent::TimeParser.new(@extract_config.time_format, localtime, @extract_config.timezone)
                              end
    end

    @_extract_enabled = @_extract_tag_key || @_extract_time_key
  end
end
extract_tag_from_record(record) click to toggle source
# File lib/fluent/plugin_helper/extract.rb, line 24
def extract_tag_from_record(record)
  return nil unless @_extract_enabled

  if @_extract_tag_key && record.has_key?(@_extract_tag_key)
    return record[@_extract_tag_key].to_s
  end

  nil
end
extract_time_from_record(record) click to toggle source
# File lib/fluent/plugin_helper/extract.rb, line 34
def extract_time_from_record(record)
  return nil unless @_extract_enabled

  if @_extract_time_key && record.has_key?(@_extract_time_key)
    return @_extract_time_parser.call(record[@_extract_time_key])
  end

  nil
end