Preserve path mapping deletion

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [5.6.0] - 2021-01-26
+- Added config option to avoid automatically deleting an APIGW domain when other base path mappings exist. Thank you @straticJeff ([389](https://github.com/amplify-education/serverless-domain-manager/pull/389))  
+
 ## [5.5.0] - 2021-01-24
 - Added proxy support. Thank you @mscharp ([405](https://github.com/amplify-education/serverless-domain-manager/pull/405))
 - Fixed issue with disabling createRoute53Record. Thank you @albinlundmark ([476](https://github.com/amplify-education/serverless-domain-manager/pull/476))

README.md

@@ -160,6 +160,8 @@ allowPathMatching | false | When updating an existing api mapping this will matc
 | route53Params:<br/>&nbsp; weight | `200` | Sets the weight for weighted routing. Ignored for `simple` and `latency` routing. |
 | route53Params:<br/>&nbsp; setIdentifier |  | A unique identifier for records in a set of Route 53 records with the same domain name. Only relevant for `latency` and `weighted` routing. Defaults to the regional endpoint if not provided. |
 | route53Params:<br/>&nbsp; healthCheckId |  | An optional id for a Route 53 health check. If it is failing, Route 53 will stop routing to it. Only relevant for `latency` and `weighted` routing. If it is not provided, no health check will be associated with the record. |
+| preserveExternalPathMappings | `false` | When `autoDomain` is set to true, and a deployment is removed, setting this to `true` checks for additional API Gateway base path mappings before automatically deleting the domain, and avoids doing so if they exist. |
+
 
 
 ## Running

package.json

@@ -1,6 +1,6 @@
 {
   "name": "serverless-domain-manager",
-  "version": "5.5.0",
+  "version": "5.6.0",
   "engines": {
     "node": ">=12"
   },
@@ -47,7 +47,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^9.1.0",
-    "@types/node": "^17.0.10",
+    "@types/node": "^17.0.12",
     "aws-sdk-mock": "^5.6.0",
     "chai": "^4.3.4",
     "chai-spies": "^1.0.0",
@@ -57,7 +57,7 @@
     "randomstring": "^1.2.2",
     "request": "^2.88.2",
     "request-promise-native": "^1.0.9",
-    "serverless": "^2.72.1",
+    "serverless": "^2.72.2",
     "serverless-plugin-split-stacks": "^1.11.3",
     "shelljs": "^0.8.5",
     "ts-node": "^10.4.0",

src/aws/api-gateway-wrapper.ts

@@ -148,25 +148,16 @@ class APIGatewayWrapper {
         }
     }
 
-    /**
-     * Get basepath mapping
-     */
-    public async getBasePathMapping(domain: DomainConfig): Promise<ApiGatewayV2.GetApiMappingResponse> {
+    public async getApiMappings(domain: DomainConfig): Promise<ApiGatewayV2.GetApiMappingResponse[]> {
         try {
-            const mappings = await getAWSPagedResults(
+            return await getAWSPagedResults(
                 this.apiGatewayV2,
                 "getApiMappings",
                 "Items",
                 "NextToken",
                 "NextToken",
                 {DomainName: domain.givenDomainName},
             );
-            for (const mapping of mappings) {
-                if (mapping.ApiId === domain.apiId
-                    || (mapping.ApiMappingKey === domain.basePath && domain.allowPathMatching)) {
-                    return mapping;
-                }
-            }
         } catch (err) {
             Globals.logError(err, domain.givenDomainName);
             throw new Error(`Unable to get API Mappings for ${domain.givenDomainName}`);

src/domain-config.ts

@@ -28,6 +28,7 @@ class DomainConfig {
     public autoDomain: boolean | undefined;
     public autoDomainWaitFor: string | undefined;
     public route53Params: Route53Params;
+    public preserveExternalPathMappings: boolean | undefined;
 
     public domainInfo: DomainInfo | undefined;
     public apiId: string | undefined;
@@ -50,6 +51,7 @@ class DomainConfig {
         this.allowPathMatching = config.allowPathMatching;
         this.autoDomain = config.autoDomain;
         this.autoDomainWaitFor = config.autoDomainWaitFor;
+        this.preserveExternalPathMappings = this.evaluateBoolean(config.preserveExternalPathMappings, false);
 
         let basePath = config.basePath;
         if (basePath == null || basePath.trim() === "") {