Class: Kafka::Sasl::AwsMskIam

Inherits:
Object
  • Object
show all
Defined in:
lib/kafka/sasl/awsmskiam.rb

Constant Summary collapse

AWS_MSK_IAM = 
"AWS_MSK_IAM"

Instance Method Summary collapse

Constructor Details

#initialize(aws_region:, access_key_id:, secret_key_id:, session_token: nil, logger:) ⇒ AwsMskIam

Returns a new instance of AwsMskIam.



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# File 'lib/kafka/sasl/awsmskiam.rb', line 12

def initialize(aws_region:, access_key_id:, secret_key_id:, session_token: nil, logger:)
  @semaphore = Mutex.new

  @aws_region = aws_region
  @access_key_id = access_key_id
  @secret_key_id = secret_key_id
  @session_token = session_token
  @logger = TaggedLogger.new(logger)
end

Instance Method Details

#authenticate!(host, encoder, decoder) ⇒ Object 



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# File 'lib/kafka/sasl/awsmskiam.rb', line 30

def authenticate!(host, encoder, decoder)
  @logger.debug "Authenticating #{@access_key_id} with SASL #{AWS_MSK_IAM}"

  host_without_port = host.split(':', -1).first

  time_now = Time.now.utc

  msg = authentication_payload(host: host_without_port, time_now: time_now)
  @logger.debug "Sending first client SASL AWS_MSK_IAM message:"
  @logger.debug msg
  encoder.write_bytes(msg)

  begin
    @server_first_message = decoder.bytes
    @logger.debug "Received first server SASL AWS_MSK_IAM message: #{@server_first_message}"

    raise Kafka::Error, "SASL AWS_MSK_IAM authentication failed: unknown error" unless @server_first_message
  rescue Errno::ETIMEDOUT, EOFError => e
    raise Kafka::Error, "SASL AWS_MSK_IAM authentication failed: #{e.message}"
  end

  @logger.debug "SASL #{AWS_MSK_IAM} authentication successful"
end

#configured? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kafka/sasl/awsmskiam.rb', line 26

def configured?
  @aws_region && @access_key_id && @secret_key_id
end

#ident ⇒ Object 



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# File 'lib/kafka/sasl/awsmskiam.rb', line 22

def ident
  AWS_MSK_IAM
end