Add support for domain manager plugin

Author: Aleksander Dikanski

lib/stackops/apiGateway.js

@@ -188,6 +188,18 @@ module.exports = function(currentTemplate, aliasStackTemplates, currentAliasStac
 			aliasResources.push({ ApiGatewayStage: stageResource });
 		}
 
+		const baseMapping = _.assign({}, _.pickBy(stageStack.Resources, ['Type', 'AWS::ApiGateway::BasePathMapping']));
+		if (!_.isEmpty(baseMapping)) {
+			const baseMappingName = _.keys(baseMapping)[0];
+			const obj = baseMapping[baseMappingName];
+
+			delete obj.Properties.StageName;
+			obj.Properties.RestApiId = { 'Fn::ImportValue': `${stackName}-ApiGatewayRestApi`};
+
+			aliasResources.push(baseMapping);
+			delete stageStack.Resources[baseMappingName];
+		}
+
 		// Fetch lambda permissions, methods and resources. These have to be updated later to allow the aliased functions.
 		const apiLambdaPermissions =
 				_.assign({},

test/data/auth-stack-2.json

@@ -464,6 +464,15 @@
         }
       }
     },
+    "pathmapping": {
+      "Type": "AWS::ApiGateway::BasePathMapping",
+      "Properties": {
+        "BasePath": "(none)",
+        "DomainName": "example.com", 
+        "RestApiId": { "Fn::ImportValue": "ApiGatewayRestApi" },
+        "Stage": "test"
+      }
+    },
     "TestauthLambdaPermissionApiGateway": {
       "Type": "AWS::Lambda::Permission",
       "Properties": {

test/stackops/apiGateway.test.js

@@ -713,7 +713,7 @@ describe('API Gateway', () => {
 						.to.have.a.nested.property("Resources.ApiGatewayMethodFunc2Get.DependsOn")
 							.that.equals("PseudoParamCustomAuthApiGatewayAuthorizermyAlias"),
 					expect(template)
-						.to.have.a.nested.property('Resources.PseudoParamCustomAuthApiGatewayAuthorizermyAlias.Properties.AuthorizerUri')
+					.to.have.a.nested.property('Resources.PseudoParamCustomAuthApiGatewayAuthorizermyAlias.Properties.AuthorizerUri')
 							.that.deep.equals({
 								"Fn::Join": [
 									"",
@@ -733,6 +733,29 @@ describe('API Gateway', () => {
 
 			});
 
+			it('should move base mappings to alias stack', () => {
+				stackTemplate = _.cloneDeep(require('../data/auth-stack-2.json'));
+				const template = serverless.service.provider.compiledCloudFormationTemplate = stackTemplate;
+				const compiledAliasTemplate = serverless.service.provider.compiledCloudFormationAliasTemplate = aliasTemplate;
+				return expect(awsAlias.aliasHandleApiGateway({}, [], {})).to.be.fulfilled
+				.then(()=> BbPromise.all([
+					expect(template)
+						.to.not.have.a.nested.property('Resources.pathmapping'),
+					expect(aliasTemplate)
+						.to.have.a.nested.property('Resources.pathmapping')
+							.that.deep.equals({
+								Type: 'AWS::ApiGateway::BasePathMapping',
+								Properties: {
+									BasePath: '(none)',
+									DomainName: 'example.com',
+									RestApiId: { 'Fn::ImportValue': 'testService-myStage-ApiGatewayRestApi' },
+									Stage: 'test'
+								}
+							})
+				]));
+
+			});
+
 			it('should transform string dependencies and references to authorizers', () => {
 				const template = serverless.service.provider.compiledCloudFormationTemplate = stackTemplate;
 				serverless.service.provider.compiledCloudFormationAliasTemplate = aliasTemplate;