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Diffstat (limited to 'lib/chef/dsl/method_missing.rb')
| -rw-r--r-- | lib/chef/dsl/method_missing.rb | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/lib/chef/dsl/method_missing.rb b/lib/chef/dsl/method_missing.rb new file mode 100644 index 0000000000..0d7ded30f3 --- /dev/null +++ b/lib/chef/dsl/method_missing.rb @@ -0,0 +1,75 @@ +#-- +# Copyright:: Copyright 2008-2016, 2009-2015 Chef Software, 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. +# + +class Chef + module DSL + # @deprecated scheduled to die in a Chef 13 fire + module MethodMissing + def describe_self_for_error + if respond_to?(:name) + %Q{`#{self.class} "#{name}"'} + elsif respond_to?(:recipe_name) + %Q{`#{self.class} "#{recipe_name}"'} + else + to_s + end + end + + # DEPRECATED: + # method_missing must live for backcompat purposes until Chef 13. + def method_missing(method_symbol, *args, &block) + # + # If there is already DSL for this, someone must have called + # method_missing manually. Not a fan. Not. A. Fan. + # + if respond_to?(method_symbol) + Chef.log_deprecation("Calling method_missing(#{method_symbol.inspect}) directly is deprecated in Chef 12 and will be removed in Chef 13. Use public_send() or send() instead.") + return send(method_symbol, *args, &block) + end + + # + # If a definition exists, then Chef::DSL::Definitions.add_definition was + # never called. DEPRECATED. + # + if run_context.definitions.has_key?(method_symbol.to_sym) + Chef.log_deprecation("Definition #{method_symbol} (#{run_context.definitions[method_symbol.to_sym]}) was added to the run_context without calling Chef::DSL::Definitions.add_definition(#{method_symbol.to_sym.inspect}). This will become required in Chef 13.") + Chef::DSL::Definitions.add_definition(method_symbol) + return send(method_symbol, *args, &block) + end + + # + # See if the resource exists anyway. If the user had set + # Chef::Resource::Blah = <resource>, a deprecation warning will be + # emitted and the DSL method 'blah' will be added to the DSL. + # + resource_class = Chef::ResourceResolver.resolve(method_symbol, node: run_context ? run_context.node : nil) + if resource_class + Chef::DSL::Resources.add_resource_dsl(method_symbol) + return send(method_symbol, *args, &block) + end + + begin + super + rescue NoMethodError + raise NoMethodError, "No resource or method named `#{method_symbol}' for #{describe_self_for_error}" + rescue NameError + raise NameError, "No resource, method, or local variable named `#{method_symbol}' for #{describe_self_for_error}" + end + end + end + end +end |