fix(lambda appbuilder): v3 client use toolkit cred

## Problem
two v3 client are not using toolkit credentials

## Solution
Add toolkit credential to v3 client

Author: roger-zhangg

packages/core/src/awsService/appBuilder/explorer/nodes/deployedNode.ts

@@ -28,6 +28,7 @@ import {
     s3BucketType,
 } from '../../../../shared/cloudformation/cloudformation'
 import { ToolkitError } from '../../../../shared'
+import { getIAMConnection } from '../../../../auth/utils'
 
 const localize = nls.loadMessageBundle()
 export interface DeployedResource {
@@ -100,7 +101,20 @@ export async function generateDeployedNode(
                         code: 'lambdaClientError',
                     })
                 }
-                const v3Client = new LambdaClient({ region: regionCode })
+                const connection = await getIAMConnection({ prompt: false })
+                if (!connection || connection.type !== 'iam') {
+                    return [
+                        createPlaceholderItem(
+                            localize(
+                                'AWS.appBuilder.explorerNode.unavailableDeployedResource',
+                                '[Failed to retrive deployed resource.]'
+                            )
+                        ),
+                    ]
+                }
+                const cred = await connection.getCredentials()
+                const v3Client = new LambdaClient({ region: regionCode, credentials: cred })
+
                 const v3command = new GetFunctionCommand({ FunctionName: deployedResource.PhysicalResourceId })
                 try {
                     v3configuration = (await v3Client.send(v3command)).Configuration as FunctionConfiguration

packages/core/src/awsService/appBuilder/explorer/nodes/deployedStack.ts

@@ -7,6 +7,7 @@ import { TreeNode } from '../../../../shared/treeview/resourceTreeDataProvider'
 import { getIcon } from '../../../../shared/icons'
 import { CloudFormationClient, DescribeStacksCommand } from '@aws-sdk/client-cloudformation'
 import { ToolkitError } from '../../../../shared'
+import { getIAMConnection } from '../../../../auth/utils'
 
 export class StackNameNode implements TreeNode {
     public readonly id = this.stackName
@@ -40,7 +41,12 @@ export class StackNameNode implements TreeNode {
 }
 
 export async function generateStackNode(stackName?: string, regionCode?: string): Promise<StackNameNode[]> {
-    const client = new CloudFormationClient({ region: regionCode })
+    const connection = await getIAMConnection({ prompt: false })
+    if (!connection || connection.type !== 'iam') {
+        return []
+    }
+    const cred = await connection.getCredentials()
+    const client = new CloudFormationClient({ region: regionCode, credentials: cred })
     try {
         const command = new DescribeStacksCommand({ StackName: stackName })
         const response = await client.send(command)

packages/core/src/test/shared/applicationBuilder/explorer/nodes/deployedNode.test.ts

@@ -24,6 +24,8 @@ import { getIcon } from '../../../../../shared/icons'
 import _ from 'lodash'
 import { isTreeNode } from '../../../../../shared/treeview/resourceTreeDataProvider'
 import { Any } from '../../../../../shared/utilities/typeConstructors'
+import { IamConnection, ProfileMetadata } from '../../../../../auth/connection'
+import * as AuthUtils from '../../../../../auth/utils'
 
 describe('DeployedResourceNode', () => {
     const expectedStackName = 'myStack'
@@ -138,6 +140,13 @@ describe('generateDeployedNode', () => {
     describe('LambdaFunctionNode', () => {
         let mockDefaultLambdaClientInstance: sinon.SinonStubbedInstance<LambdaClientModule.DefaultLambdaClient>
         let mockLambdaNodeInstance: sinon.SinonStubbedInstance<LambdaNodeModule.LambdaNode>
+        const iamConnection: IamConnection & { readonly state: ProfileMetadata['connectionState'] } = {
+            type: 'iam',
+            id: '0',
+            label: 'iam',
+            getCredentials: sinon.stub(),
+            state: 'valid',
+        }
 
         const lambdaDeployedNodeInput = {
             deployedResource: {
@@ -158,6 +167,7 @@ describe('generateDeployedNode', () => {
             //  Stub the constructor of LambdaNode to return stub instance
             mockLambdaNodeInstance = sandbox.createStubInstance(LambdaNodeModule.LambdaNode)
             sandbox.stub(LambdaNodeModule, 'LambdaNode').returns(mockLambdaNodeInstance)
+            sandbox.stub(AuthUtils, 'getIAMConnection').resolves(iamConnection)
         })
 
         it('should return a DeployedResourceNode for valid Lambda function happy path', async () => {