Module: SeccompTools::Logger

Defined in:
lib/seccomp-tools/logger.rb

Overview

A logger for internal use.

Class Method Summary collapse

Class Method Details

.error(msg) ⇒ true

Logs msg at the error severity.

Parameters:

  • msg (String) —

    The message to be logged.

Returns:

  • (true) 


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# File 'lib/seccomp-tools/logger.rb', line 47

%i[error warn].each do |sym|
  define_method(sym) do |msg|
    logger.__send__(sym, msg)
  end
end

.logger ⇒ ::Logger

Returns a ::Logger object for internal logging.

The returned logger writes to $stdout with a formatter that prefixes each message with its colorized severity and indents continuation lines to align with the first.

Returns:

  • (::Logger) 


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# File 'lib/seccomp-tools/logger.rb', line 20

def logger
  ::Logger.new($stdout).tap do |log|
    log.formatter = proc do |severity, _datetime, _progname, msg|
      prep = ' ' * (severity.size + 3)
      message = msg.lines.map.with_index do |str, i|
        next str if i.zero?

        str.strip.empty? ? str : prep + str
      end
      color = severity.downcase.to_sym
      msg = "[#{SeccompTools::Util.colorize(severity, t: color)}] #{message.join}"
      msg << "\n" unless msg.end_with?("\n")
      msg
    end
  end
end

.warn(msg) ⇒ true

Logs msg at the warn severity.

Parameters:

  • msg (String) —

    The message to be logged.

Returns:

  • (true) 


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# File 'lib/seccomp-tools/logger.rb', line 47

%i[error warn].each do |sym|
  define_method(sym) do |msg|
    logger.__send__(sym, msg)
  end
end