src/janitor.rb

   1 require('src/apache_conf_file')
   2
   3 class Janitor
   4
   5   attr_accessor :apache_vhosts_directory
   6
   7   SECONDS_PER_MINUTE = 60
   8   MINUTES_PER_HOUR = 60
   9   HOURS_PER_DAY = 24
  10   SECONDS_PER_DAY = SECONDS_PER_MINUTE * MINUTES_PER_HOUR * HOURS_PER_DAY
  11
  12
  13   def initialize()
  14     @apache_vhosts_directory = nil
  15   end
  16
  17
  18   protected;
  19
  20   def seconds_to_whole_days(seconds)
  21     # Given some number of seconds, computer how many
  22     # entire days are contained in that number of seconds.
  23     # Fractions of days don't count!
  24
  25     if (seconds < 0)
  26       raise(ArgumentException.new('Negative seconds?'))
  27     end
  28
  29     return (seconds / SECONDS_PER_DAY).floor
  30   end
  31
  32   public;
  33
  34   # Get a list of all the temporary directories that
  35   # we'd like to clean out.
  36   def get_temporary_directories(remove_duplicates = true)
  37     temp_dirs = []
  38
  39     # Get the PHP temp dirs if we've been given a vhosts path
  40     if !@apache_vhosts_directory.nil? && File.directory?(@apache_vhosts_directory)
  41       Dir.glob(@apache_vhosts_directory + '/*.conf').each do |conf_file|
  42         acf = ApacheConfFile.new(conf_file)
  43
  44         # Don't remove the duplicates here since we have
  45         # to do it afterwards anyway.
  46         temp_dirs += acf.get_php_temporary_directory_list(false)
  47       end
  48     end
  49
  50     # We expect these to have been strip()ed already
  51     if remove_duplicates
  52       return temp_dirs.uniq
  53     else
  54       return temp_dirs
  55     end
  56   end
  57
  58
  59   def clean_directory(directory, max_age, file_pattern = '*')
  60     glob_pattern = File.join(directory, file_pattern)
  61
  62     Dir.glob(glob_pattern).each do |f|
  63       # Obviously, we should bail if it's not a file.
  64       next if not File.file?(f)
  65
  66       # Calculate how old it is
  67       days_old = seconds_to_whole_days(Time.now - File.mtime(f))
  68
  69       # And then delete the file (with a notice) if it's too old.
  70       if days_old > max_age
  71         puts "Deleting file: #{f} (#{days_old} days old)"
  72         File.delete(f)
  73       end
  74     end
  75
  76   end
  77 end