Class: Fluent::KinesisAltOutput

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ KinesisAltOutput

Returns a new instance of KinesisAltOutput.



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# File 'lib/fluent/plugin/out_kinesis_alt.rb', line 5

def initialize
  super
  require 'aws-sdk'
  require 'base64'
  require 'json'
  require 'logger'
end

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis_alt.rb', line 29

def configure(conf)
  super

  [:aws_key_id, :aws_sec_key, :region, :stream_name].each do |name|
    unless self.instance_variable_get("@#{name}")
      raise ConfigError, "'#{name}' is required"
    end
  end

  unless @partition_key or @partition_key_proc
    raise ConfigError, "'partition_key' or 'partition_key_proc' is required"
  end

  if @partition_key_proc
    @partition_key_proc = eval(@partition_key_proc)
  end

  if @explicit_hash_key_proc
    @explicit_hash_key_proc = eval(@explicit_hash_key_proc)
  end
end

#format(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis_alt.rb', line 62

def format(tag, time, record)
  record['__tag']  = tag  if @include_tag
  record['__time'] = time if @include_time

  # XXX: The maximum size of the data blob is 50 kilobytes
  # http://docs.aws.amazon.com/kinesis/latest/APIReference/API_PutRecord.html
  data = {
    :stream_name   => @stream_name,
    :data          => encode64(record.to_json),
    :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

  if @sequence_number_for_ordering
    data[:sequence_number_for_ordering] = @sequence_number_for_ordering
  end

  pack_data(data)
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis_alt.rb', line 58

def shutdown
  super
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis_alt.rb', line 51

def start
  super
  configure_aws
  @client = AWS.kinesis.client
  @client.describe_stream(:stream_name => @stream_name)
end

#write(chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_kinesis_alt.rb', line 85

def write(chunk)
  buf = chunk.read

  while (data = unpack_data(buf))
    AWS.kinesis.client.put_record(data)
  end
end