added comment to help someone

1 files changed, 19 insertions, 0 deletions

diff --git a/lib/ohai/plugins/azure.rb b/lib/ohai/plugins/azure.rb
index 27454f48..f906b6e8 100644
--- a/lib/ohai/plugins/azure.rb
+++ b/lib/ohai/plugins/azure.rb
@@ -1,8 +1,27 @@
+# Copyright:: Copyright (c) 2013 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.
+#
 
 Ohai.plugin(:Azure) do
   provides "azure"
 
   collect_data do
+    # The azure hints are populated by the knife plugin for Azure.
+    # The project is located at https://github.com/opscode/knife-azure
+    # Please see the lib/chef/knife/azure_server_create.rb file in that
+    # project for details
     azure_metadata_from_hints = hint?('azure')
     if azure_metadata_from_hints
       Ohai::Log.debug("azure_metadata_from_hints is present.")