module_function :reload
class Logger < ::Logger
+
def initialize(logdev, shift_age = 0, shift_size = 1048576)
super
class << @logdev
def shift_log_period(now)
- postfix = previous_period_end(now).strftime("%Y%m%d") # YYYYMMDD
+ age_file = age_file_name(now)
+ move_age_file_in_the_way(age_file)
+ unless Mkdir.mkdir_for(age_file)
+ @dev.write("[ERROR] Could not create a directory: %s\n" % [File.dirname(age_file)])
+ return true
+ end
+
+ @dev.close
+ rename_file(@filename, age_file)
+ @dev = create_logfile(@filename)
+ return true
+ end
+
+ def age_file_name(time)
+ postfix = previous_period_end(time).strftime("%Y%m%d") # YYYYMMDD
age_file = File.join(
File.dirname(@filename),
postfix[0..3], # YYYY
postfix[4..5], # MM
postfix[6..7], # DD
File.basename(@filename))
- if FileTest.exist?(age_file)
- raise RuntimeError.new("'#{ age_file }' already exists.")
- end
- unless FileTest.directory?(File.dirname(age_file))
- begin
- FileUtils.mkdir_p File.dirname(age_file)
- rescue
- raise RuntimeError.new("Could not create a directory: %s" % [File.dirname(age_file)])
- end
- end
- @dev.close
- File.rename("#{@filename}", age_file)
- @dev = create_logfile(@filename)
- return true
+ return age_file
+ end
+
+ def age_file_exists?(age_file)
+ return FileTest.exist?(age_file)
+ end
+
+ def rename_file(old_file, new_file)
+ File.rename(old_file, new_file)
end
- end
+
+ def move_age_file_in_the_way(age_file)
+ return unless age_file_exists?(age_file)
+
+ now = Time.now
+ new_file = "%s.%s%06d" % [age_file, now.strftime("%Y%m%d%H%M%S"), now.usec]
+ @dev.write("[WARN] An existing '#{age_file}' is beeing moved to '#{new_file}'\n")
+ rename_file(age_file, new_file)
+ end
+
+ end # @logdev
end
-end
+
+end # class Logger
class Formatter < ::Logger::Formatter
def initialize