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|
# Manage file modes. This state should support different formats
# for specification (e.g., u+rwx, or -0011), but for now only supports
# specifying the full mode.
module Puppet
Puppet.type(:file).newproperty(:mode) do
require 'etc'
desc "Mode the file should be. Currently relatively limited:
you must specify the exact mode the file should be."
@event = :file_changed
# Our modes are octal, so make sure they print correctly. Other
# valid values are symbols, basically
def is_to_s(currentvalue)
case currentvalue
when Integer
return "%o" % currentvalue
when Symbol
return currentvalue
else
raise Puppet::DevError, "Invalid current value for mode: %s" %
currentvalue.inspect
end
end
def should_to_s(newvalue = @should)
case newvalue
when Integer
return "%o" % newvalue
when Symbol
return newvalue
else
raise Puppet::DevError, "Invalid 'should' value for mode: %s" %
newvalue.inspect
end
end
munge do |should|
# this is pretty hackish, but i need to make sure the number is in
# octal, yet the number can only be specified as a string right now
value = should
if value.is_a?(String)
unless value =~ /^\d+$/
raise Puppet::Error, "File modes can only be numbers, not %s" %
value.inspect
end
# Make sure our number looks like octal.
unless value =~ /^0/
value = "0" + value
end
old = value
begin
value = Integer(value)
rescue ArgumentError => detail
raise Puppet::DevError, "Could not convert %s to integer" %
old.inspect
end
end
return value
end
# If we're a directory, we need to be executable for all cases
# that are readable. This should probably be selectable, but eh.
def dirmask(value)
if FileTest.directory?(@resource[:path])
if value & 0400 != 0
value |= 0100
end
if value & 040 != 0
value |= 010
end
if value & 04 != 0
value |= 01
end
end
return value
end
def insync?(currentvalue)
if stat = @resource.stat and stat.ftype == "link" and @resource[:links] != :follow
self.debug "Not managing symlink mode"
return true
else
return super(currentvalue)
end
end
def retrieve
# If we're not following links and we're a link, then we just turn
# off mode management entirely.
if stat = @resource.stat(false)
unless defined? @fixed
if defined? @should and @should
@should = @should.collect { |s| self.dirmask(s) }
end
end
return stat.mode & 007777
else
return :absent
end
end
def sync
mode = self.should
begin
File.chmod(mode, @resource[:path])
rescue => detail
error = Puppet::Error.new("failed to chmod %s: %s" %
[@resource[:path], detail.message])
error.set_backtrace detail.backtrace
raise error
end
return :file_changed
end
end
end
|
