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#
# Created by Luke Kanies on 2007-10-16.
# Copyright (c) 2007. All rights reserved.
require 'puppet'
require 'puppet/file_serving'
require 'puppet/file_serving/mount'
require 'puppet/file_serving/mount/file'
require 'puppet/file_serving/mount/modules'
require 'puppet/file_serving/mount/plugins'
require 'puppet/util/cacher'
class Puppet::FileServing::Configuration
require 'puppet/file_serving/configuration/parser'
class << self
include Puppet::Util::Cacher
cached_attr(:configuration) { new() }
end
Mount = Puppet::FileServing::Mount
# Create our singleton configuration.
def self.create
configuration
end
private_class_method :new
attr_reader :mounts
#private :mounts
# Find the right mount. Does some shenanigans to support old-style module
# mounts.
def find_mount(mount_name, environment)
# Reparse the configuration if necessary.
readconfig
if mount = mounts[mount_name]
return mount
end
if environment.module(mount_name)
Puppet::Util::Warnings.notice_once "DEPRECATION NOTICE: Files found in modules without specifying 'modules' in file path will be deprecated in the next major release. Please fix module '#{mount_name}' when no 0.24.x clients are present"
return mounts["modules"]
end
# This can be nil.
mounts[mount_name]
end
def initialize
@mounts = {}
@config_file = nil
# We don't check to see if the file is modified the first time,
# because we always want to parse at first.
readconfig(false)
end
# Is a given mount available?
def mounted?(name)
@mounts.include?(name)
end
# Split the path into the separate mount point and path.
def split_path(request)
# Reparse the configuration if necessary.
readconfig
mount_name, path = request.key.split(File::Separator, 2)
raise(ArgumentError, "Cannot find file: Invalid path '#{mount_name}'") unless mount_name =~ %r{^[-\w]+$}
return nil unless mount = find_mount(mount_name, request.environment)
if mount.name == "modules" and mount_name != "modules"
# yay backward-compatibility
path = "#{mount_name}/#{path}"
end
if path == ""
path = nil
elsif path
# Remove any double slashes that might have occurred
path = path.gsub(/\/+/, "/")
end
return mount, path
end
def umount(name)
@mounts.delete(name) if @mounts.include? name
end
private
def mk_default_mounts
@mounts["modules"] ||= Mount::Modules.new("modules")
@mounts["modules"].allow('*') if @mounts["modules"].empty?
@mounts["plugins"] ||= Mount::Plugins.new("plugins")
@mounts["plugins"].allow('*') if @mounts["plugins"].empty?
end
# Read the configuration file.
def readconfig(check = true)
config = Puppet[:fileserverconfig]
return unless FileTest.exists?(config)
@parser ||= Puppet::FileServing::Configuration::Parser.new(config)
return if check and ! @parser.changed?
# Don't assign the mounts hash until we're sure the parsing succeeded.
begin
newmounts = @parser.parse
@mounts = newmounts
rescue => detail
puts detail.backtrace if Puppet[:trace]
Puppet.err "Error parsing fileserver configuration: #{detail}; using old configuration"
end
ensure
# Make sure we've got our plugins and modules.
mk_default_mounts
end
end
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