1 files changed, 10 insertions, 1 deletions
diff --git a/lib/chef/log.rb b/lib/chef/log.rb
index 131d706a5e..56c0ef022c 100644
--- a/lib/chef/log.rb
+++ b/lib/chef/log.rb
@@ -19,6 +19,7 @@
 
 require 'logger'
 require 'chef/monologger'
+require 'chef/exceptions'
 require 'mixlib/log'
 
 class Chef
@@ -34,6 +35,14 @@ class Chef
       end
     end
 
+    def self.deprecation(msg=nil, &block)
+      if Chef::Config[:treat_deprecation_warnings_as_errors]
+        error(msg, *block)
+        raise Chef::Exceptions::DeprecatedFeatureError
+      else
+        warn(msg, *block)
+      end
+    end
+
   end
 end
-