Lambda Container Support (#92)

* Enable parsing Lambda Functions with container images

* Add test for parsing Lambda Functions with container images

lib/cfn-model/schema/AWS_Lambda_Function.yml

@@ -14,13 +14,13 @@ mapping:
         required: yes
       Handler:
         type: any
-        required: yes
+        required: no
       Role:
         type: any
         required: yes
       Runtime:
         type: any
-        required: yes
+        required: no
       =:
         type: any
   =:

spec/parser/cfn_parser_lambda_function_spec.rb

@@ -34,5 +34,18 @@
         expect(actual_computed_role).to be_nil
       end
     end
+
+    it 'does not have handler or runtime when using container image' do
+      json_test_templates('lambda_function/lambda_function_with_container_image').each do |template|
+        cfn_model = @cfn_parser.parse IO.read(template)
+        lambda_functions = cfn_model.resources_by_type('AWS::Lambda::Function')
+
+        expect(lambda_functions.size).to eq 1
+        lambda_function = lambda_functions.first
+
+        expect(lambda_function.handler).to be_nil
+        expect(lambda_function.runtime).to be_nil
+      end
+    end
   end
 end

spec/test_templates/json/lambda_function/lambda_function_with_container_image.json

@@ -0,0 +1,14 @@
+{
+  "Resources" : {
+    "ContainerImageFunction": {
+      "Type": "AWS::Lambda::Function",
+      "Properties": {
+        "Role": "arn:aws:iam::123456789012:role/LambdaExecutionRole",
+        "Code": {
+          "ImageUri": "123456789012.dkr.ecr.us-east-1.amazonaws.com/hello-world:latest"
+        },
+        "PackageType": "Image"
+      }
+    }
+  }
+}