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|
# A simple class that tells us when a file has changed and thus whether we
# should reload it
require 'puppet'
module Puppet
class NoSuchFile < Puppet::Error; end
class ParsedFile
attr_reader :file
# Provide a hook for setting the timestamp during testing, so we don't
# have to depend on the granularity of the filesystem.
attr_writer :tstamp
Puppet.config.setdefaults(:puppet,
:filetimeout => [ 15,
"The minimum time to wait between checking for updates in
configuration files."
]
)
# Determine whether the file has changed and thus whether it should
# be reparsed
def changed?
# Don't actually stat the file more often than filetimeout.
if Time.now - @statted >= Puppet[:filetimeout]
tmp = stamp()
if tmp == @tstamp
return false
else
@tstamp = tmp
return true
end
else
return false
end
end
# Create the file. Must be passed the file path.
def initialize(file)
@file = file
unless FileTest.exists?(@file)
raise Puppet::NoSuchFile, "Can not use a non-existent file for parsing"
end
@tstamp = stamp()
end
private
def stamp
@statted = Time.now
return File.stat(@file).ctime
end
end
end
# $Id$
|
