fix: catch no updates CFN error and fix CFN poller hang

packages/amplify-cli/src/__tests__/test-aborting.test.ts

@@ -74,7 +74,6 @@ describe('test SIGINT with execute', () => {
     mockContext.amplify = jest.genMockFromModule('../domain/amplify-toolkit');
     jest.setMock('../context-manager', {
       constructContext: jest.fn().mockReturnValue(mockContext),
-      persistContext: jest.fn(),
       attachUsageData: jest.fn(),
     });
 

packages/amplify-cli/src/context-manager.ts

@@ -45,7 +45,3 @@ const getProjectSettings = (): ProjectSettings => {
 
   return projectSettings;
 };
-export function persistContext(context: Context): void {
-  // write to the backend and current backend
-  // and get the frontend plugin to write to the config files.
-}

packages/amplify-cli/src/index.ts

@@ -17,7 +17,7 @@ import * as fs from 'fs-extra';
 import * as path from 'path';
 import { logInput } from './conditional-local-logging-init';
 import { print } from './context-extensions';
-import { attachUsageData, constructContext, persistContext } from './context-manager';
+import { attachUsageData, constructContext } from './context-manager';
 import { displayBannerMessages } from './display-banner-messages';
 import { constants } from './domain/constants';
 import { Context } from './domain/context';
@@ -156,8 +156,6 @@ export async function run() {
       context.usageData.emitSuccess();
     }
 
-    persistContext(context);
-
     // no command supplied defaults to help, give update notification at end of execution
     if (input.command === 'help') {
       // Checks for available update, defaults to a 1 day interval for notification
@@ -290,8 +288,6 @@ export async function execute(input: Input): Promise<number> {
       context.usageData.emitSuccess();
     }
 
-    persistContext(context);
-
     return exitCode;
   } catch (e) {
     // ToDo: add logging to the core, and log execution errors using the unified core logging.

packages/amplify-provider-awscloudformation/src/aws-utils/aws-cfn.js

@@ -286,15 +286,16 @@ class CloudFormation {
 
                 const cfnCompleteStatus = 'stackUpdateComplete';
                 if (updateErr) {
-                  console.error('Error updating cloudformation stack');
-                  reject(updateErr);
+                  if (self.pollForEvents) {
+                    clearInterval(self.pollForEvents);
+                  }
+                  return reject(updateErr);
                 }
                 cfnModel.waitFor(cfnCompleteStatus, cfnStackCheckParams, completeErr => {
                   if (self.pollForEvents) {
                     clearInterval(self.pollForEvents);
                   }
                   if (completeErr) {
-                    console.error('Error updating cloudformation stack');
                     this.collectStackErrors(cfnParentStackParams.StackName).then(() => reject(completeErr));
                   } else {
                     return self.updateamplifyMetaFileWithStackOutputs(stackName).then(() => resolve());
@@ -463,7 +464,7 @@ class CloudFormation {
           cfnModel.deleteStack(cfnStackParams, deleteErr => {
             if (deleteErr) {
               console.log(`Error deleting stack ${stackName}`);
-              reject(deleteErr);
+              return reject(deleteErr);
             }
             cfnModel.waitFor(cfnDeleteStatus, cfnStackParams, completeErr => {
               if (err) {

packages/amplify-provider-awscloudformation/src/push-resources.ts

@@ -263,7 +263,17 @@ export async function run(context: $TSContext, resourceDefinition: $TSObject) {
 
         const nestedStack = await formNestedStack(context, context.amplify.getProjectDetails());
 
-        await updateCloudFormationNestedStack(context, nestedStack, resourcesToBeCreated, resourcesToBeUpdated);
+        try {
+          await updateCloudFormationNestedStack(context, nestedStack, resourcesToBeCreated, resourcesToBeUpdated);
+        } catch (err) {
+          if (err?.name === 'ValidationError' && err?.message === 'No updates are to be performed.') {
+            return;
+          } else {
+            throw err;
+          }
+        } finally {
+          spinner.stop();
+        }
       }
     }