module LogSweeper

Constants

VERSION

Public Instance Methods

run(path, logs_lifetime_days_count: 10, logger: Logger.new(STDOUT)) click to toggle source

Clean up provided log directory @param path [String, Pathname] path to the log directory to clean @param logs_lifetime_days_count [Numeric] number of days to keep the logs @param logger [Logger] logger to use

# File lib/log_sweeper.rb, line 16
def run(path, logs_lifetime_days_count: 10, logger: Logger.new(STDOUT))
  lifetime_threshold = logs_lifetime_days_count * 24 * 3600

  Pathname.new(path).each_child do |entry|
    next unless entry.file?

    filename = entry.basename.to_s

    if filename =~ /\.log\b/ && Time.now - entry.mtime > lifetime_threshold
      logger.info "deleting #{entry}"
      entry.delete
    elsif filename =~ /\.log\.\d+$/
      logger.info "gzipping #{entry}"
      compress_file(entry)
      entry.delete
    else
      logger.info "skipping #{entry}"
    end
  end

  true
end

Private Instance Methods

compress_file(file_name) click to toggle source

# File lib/log_sweeper.rb, line 41
def compress_file(file_name)
  zipped = "#{file_name}.gz"

  Zlib::GzipWriter.open(zipped) do |gz|
    File.open(file_name) do |file|
      loop do
        chunk = file.read(16 * 1024) or break
        gz.write(chunk)
      end
    end
  end
end