add vpcEndpointIds to EndpointConfiguration

Author: raphaeldeem-acorns

lib/deploy/events/apiGateway/restApi.js

@@ -13,6 +13,7 @@ module.exports = {
     this.apiGatewayRestApiLogicalId = this.provider.naming.getRestApiLogicalId();
 
     let endpointType = 'EDGE';
+    let vpcEndpointIds;
 
     if (this.serverless.service.provider.endpointType) {
       const validEndpointTypes = ['REGIONAL', 'EDGE', 'PRIVATE'];
@@ -22,6 +23,16 @@ module.exports = {
         throw new this.serverless.classes.Error('endpointType must be a string');
       }
 
+      if (this.serverless.service.provider.vpcEndpointIds) {
+        vpcEndpointIds = this.serverless.service.provider.vpcEndpointIds;
+
+        if (endpointType !== 'PRIVATE') {
+          throw new ServerlessError(
+            'VPC endpoint IDs are only available for private APIs',
+            'API_GATEWAY_INVALID_VPC_ENDPOINT_IDS_CONFIG'
+          );
+        }
+      }
 
       if (!_.includes(validEndpointTypes, endpointType.toUpperCase())) {
         const message = 'endpointType must be one of "REGIONAL" or "EDGE" or "PRIVATE". '
@@ -31,14 +42,20 @@ module.exports = {
       endpointType = endpointType.toUpperCase();
     }
 
+    const EndpointConfiguration = {
+      Types: [endpointType],
+    };
+
+    if (vpcEndpointIds) {
+      EndpointConfiguration.VpcEndpointIds = vpcEndpointIds;
+    }
+
     _.merge(this.serverless.service.provider.compiledCloudFormationTemplate.Resources, {
       [this.apiGatewayRestApiLogicalId]: {
         Type: 'AWS::ApiGateway::RestApi',
         Properties: {
           Name: this.provider.naming.getApiGatewayName(),
-          EndpointConfiguration: {
-            Types: [endpointType],
-          },
+          EndpointConfiguration,
         },
       },
     });