Class: JsonLogFormatter

Inherits:
Logger::Formatter
  • Object
show all
Defined in:
lib/aws_lambda_ric/lambda_log_formatter.rb

Constant Summary collapse

DATETIME_FORMAT =
'%Y-%m-%dT%H:%M:%S.%6NZ'

Instance Method Summary collapse

Instance Method Details

#call(severity, time, progname, msg) ⇒ Object



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# File 'lib/aws_lambda_ric/lambda_log_formatter.rb', line 26

def call(severity, time, progname, msg)
  payload = {
    timestamp: time.utc.strftime(DATETIME_FORMAT),
    level: severity,
    message: message_for(msg),
    requestId: $_global_aws_request_id
  }

  logger_name = sanitize_utf8(progname) unless progname.nil?
  payload[:logger] = logger_name unless logger_name.nil? || logger_name.empty?

  if msg.is_a?(Exception)
    payload[:errorType] = msg.class.to_s
    payload[:errorMessage] = sanitize_utf8(msg.message)
    payload[:stackTrace] = Array(msg.backtrace).map { |line| sanitize_utf8(line) }
    location = location_for(msg)
    payload[:location] = location unless location.nil?
  end

  "#{JSON.generate(payload.compact)}\n"
end