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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Author:: Tyler Cloke (<tyler@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/resource'
require 'chef/mixin/securable'
class Chef
class Resource
class Link < Chef::Resource
include Chef::Mixin::Securable
provides :link
identity_attr :target_file
state_attrs :to, :owner, :group
def initialize(name, run_context=nil)
verify_links_supported!
super
@resource_name = :link
@to = nil
@action = :create
@link_type = :symbolic
@target_file = name
@allowed_actions.push(:create, :delete)
end
def to(arg=nil)
set_or_return(
:to,
arg,
:kind_of => String
)
end
def target_file(arg=nil)
set_or_return(
:target_file,
arg,
:kind_of => String
)
end
def link_type(arg=nil)
real_arg = arg.kind_of?(String) ? arg.to_sym : arg
set_or_return(
:link_type,
real_arg,
:equal_to => [ :symbolic, :hard ]
)
end
def group(arg=nil)
set_or_return(
:group,
arg,
:regex => Chef::Config[:group_valid_regex]
)
end
def owner(arg=nil)
set_or_return(
:owner,
arg,
:regex => Chef::Config[:user_valid_regex]
)
end
# make link quack like a file (XXX: not for public consumption)
def path
@target_file
end
private
def verify_links_supported!
# On certain versions of windows links are not supported. Make
# sure we are not on such a platform.
if Chef::Platform.windows?
require 'chef/win32/file'
begin
Chef::ReservedNames::Win32::File.verify_links_supported!
rescue Chef::Exceptions::Win32APIFunctionNotImplemented => e
Chef::Log.fatal("Link resource is not supported on this version of Windows")
raise e
end
end
end
end
end
end
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