Class: GroongaDelta::LTSVLogFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/groonga-delta/ltsv-log-formatter.rb

Instance Method Summary collapse

Instance Method Details

#call(severity, time, program_name, message) ⇒ Object



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# File 'lib/groonga-delta/ltsv-log-formatter.rb', line 18

def call(severity, time, program_name, message)
  prefix = "timestamp:%{timestamp}\tseverity:%{severity}\tpid:%{pid}" % {
    severity: severity,
    timestamp: time.strftime("%Y-%m-%dT%H:%M:%S.%N"),
    pid: Process.pid,
  }
  formatted = ""
  backtrace = nil
  case message
  when String
  when Exception
    backtrace = message.backtrace
    message = "#{message.class}: #{message}"
  else
    message = message.inspect
  end
  message.each_line(chomp: true) do |line, i|
    formatted << "#{prefix}\tmessage:#{escape_value(line)}\n"
  end
  if backtrace
    backtrace.each do |trace|
      formatted << "#{prefix}\tmessage:#{escape_value(trace)}\n"
    end
  end
  formatted
end