moving registry_helper to dsl class

1 files changed, 59 insertions, 0 deletions

diff --git a/lib/chef/dsl/registry_helper.rb b/lib/chef/dsl/registry_helper.rb
new file mode 100644
index 0000000000..934f5298e0
--- /dev/null
+++ b/lib/chef/dsl/registry_helper.rb
@@ -0,0 +1,59 @@
+#
+# Author:: Lamont Granquist (<adam@opscode.com>)
+# Copyright:: Copyright (c) 2012 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.
+#
+
+#
+# Helper functions to access the windows registry from within recipes and
+# the not_if/only_if blocks in resources.  This only exposes the methods
+# in the chef/win32/registry class which are reasonably side-effect-free.
+# The actual modification of the registry should be done via the registry_key
+# resource in a more idempotent way.
+#
+#
+class Chef
+  module DSL
+    module RegistryHelper
+      # the registry instance is cheap to build and throwing it away ensures we
+      # don't carry any state (e.g. magic 32-bit/64-bit settings) between calls
+      def registry_key_exists?(key_path, architecture = :machine)
+        registry = Chef::Win32::Registry.new(run_context, architecture)
+        registry.key_exists?(key_path)
+      end
+      def registry_get_values(key_path, architecture = :machine)
+        registry = Chef::Win32::Registry.new(run_context, architecture)
+        registry.get_values?(key_path)
+      end
+      def registry_has_subkeys?(key_path, architecture = :machine)
+        registry = Chef::Win32::Registry.new(run_context, architecture)
+        registry.has_subkeys?(key_path)
+      end
+      def registry_get_subkeys(key_path, architecture = :machine)
+        registry = Chef::Win32::Registry.new(run_context, architecture)
+        registry.get_subkeys?(key_path)
+      end
+      def registry_value_exists?(key_path, value, architecture = :machine)
+        registry = Chef::Win32::Registry.new(run_context, architecture)
+        registry.value_exists?(key_path, value)
+      end
+      def registry_data_exists?(key_path, value, architecture = :machine)
+        registry = Chef::Win32::Registry.new(run_context, architecture)
+        registry.data_exists?(key_path, value)
+      end
+    end
+  end
+end
+