Class: FluentPluginKinesis::OutputFilter

Inherits:
Fluent::BufferedOutput
  • Object
show all
Includes:
Fluent::DetachMultiProcessMixin, Fluent::SetTagKeyMixin, Fluent::SetTimeKeyMixin
Defined in:
lib/fluent/plugin/out_kinesis.rb

Constant Summary collapse

USER_AGENT_NAME = 
'fluent-plugin-kinesis-output-filter'
PROC_BASE_STR = 
'proc {|record| %s }'
PUT_RECORDS_MAX_COUNT = 
500
PUT_RECORD_MAX_DATA_SIZE = 
1024 * 1024
PUT_RECORDS_MAX_DATA_SIZE = 
1024 * 1024 * 5

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis.rb', line 64

def configure(conf)
  super
  validate_params

  if @detach_process or (@num_threads > 1)
    @parallel_mode = true
    if @detach_process
      @use_detach_multi_process_mixin = true
    end
  else
    @parallel_mode = false
  end

  if @parallel_mode
    if @order_events
      log.warn 'You have set "order_events" to true, however this configuration will be ignored due to "detach_process" and/or "num_threads".'
    end
    @order_events = false
  end

  if @partition_key_expr
    partition_key_proc_str = sprintf(
      PROC_BASE_STR, @partition_key_expr
    )
    @partition_key_proc = eval(partition_key_proc_str)
  end

  if @explicit_hash_key_expr
    explicit_hash_key_proc_str = sprintf(
      PROC_BASE_STR, @explicit_hash_key_expr
    )
    @explicit_hash_key_proc = eval(explicit_hash_key_proc_str)
  end

  @dump_class = @use_yajl ? Yajl : JSON
end

#format(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis.rb', line 109

def format(tag, time, record)
  data = {
    data: @dump_class.dump(record),
    partition_key: get_key(:partition_key,record)
  }

  if @explicit_hash_key or @explicit_hash_key_proc
    data[:explicit_hash_key] = get_key(:explicit_hash_key,record)
  end

  data.to_msgpack
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis.rb', line 101

def start
  detach_multi_process do
    super
    load_client
    check_connection_to_stream
  end
end

#write(chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis.rb', line 122

def write(chunk)
  data_list = chunk.to_enum(:msgpack_each).find_all{|record|
    unless record_exceeds_max_size?(record['data'])
      true
    else
      log.error sprintf('Record exceeds the %.3f KB(s) per-record size limit and will not be delivered: %s', PUT_RECORD_MAX_DATA_SIZE / 1024.0, record['data'])
      false
    end
  }.map{|record|
    build_data_to_put(record)
  }

  if @order_events
    put_record_for_order_events(data_list)
  else
    records_array = build_records_array_to_put(data_list)
    records_array.each{|records|
      put_records_with_retry(records)
    }
  end
end