revert(stepfunctions-tasks): "feat(stepfunctions-tasks): allow Bedroc…

…kInvokeModel to use JsonPath" (aws#31308)

Reverts aws#30298 to resolve aws#31302

BREAKING CHANGE: Reverting the original PR will come with the following breaking changes
* **stepfunctions-tasks:** The `BedrockInvokeModel.outputPath` parameter will no longer be an S3Uri

packages/@aws-cdk-testing/framework-integ/test/aws-stepfunctions-tasks/test/bedrock/integ.invoke-model.js.snapshot/aws-stepfunctions-tasks-bedrock-invoke-model-integ.template.json

@@ -41,25 +41,6 @@
          ]
         ]
        }
-      },
-      {
-       "Action": [
-        "s3:GetObject",
-        "s3:PutObject"
-       ],
-       "Effect": "Allow",
-       "Resource": {
-        "Fn::Join": [
-         "",
-         [
-          "arn:",
-          {
-           "Ref": "AWS::Partition"
-          },
-          ":s3:::*"
-         ]
-        ]
-       }
       }
      ],
      "Version": "2012-10-17"
@@ -91,19 +72,7 @@
        {
         "Ref": "AWS::Region"
        },
-       "::foundation-model/amazon.titan-text-express-v1\",\"Body\":{\"inputText\":\"Generate a list of five first names.\",\"textGenerationConfig\":{\"maxTokenCount\":100,\"temperature\":1}}}},\"Prompt2\":{\"Next\":\"Prompt3\",\"Type\":\"Task\",\"ResultPath\":\"$\",\"ResultSelector\":{\"names.$\":\"$.Body.results[0].outputText\"},\"Resource\":\"arn:",
-       {
-        "Ref": "AWS::Partition"
-       },
-       ":states:::bedrock:invokeModel\",\"Parameters\":{\"ModelId\":\"arn:",
-       {
-        "Ref": "AWS::Partition"
-       },
-       ":bedrock:",
-       {
-        "Ref": "AWS::Region"
-       },
-       "::foundation-model/amazon.titan-text-express-v1\",\"Body\":{\"inputText.$\":\"States.Format('Alphabetize this list of first names:\\n{}', $.names)\",\"textGenerationConfig\":{\"maxTokenCount\":100,\"temperature\":1}}}},\"Prompt3\":{\"End\":true,\"Type\":\"Task\",\"InputPath\":\"$.names\",\"OutputPath\":\"$.names\",\"Resource\":\"arn:",
+       "::foundation-model/amazon.titan-text-express-v1\",\"Body\":{\"inputText\":\"Generate a list of five first names.\",\"textGenerationConfig\":{\"maxTokenCount\":100,\"temperature\":1}}}},\"Prompt2\":{\"End\":true,\"Type\":\"Task\",\"ResultPath\":\"$\",\"ResultSelector\":{\"names.$\":\"$.Body.results[0].outputText\"},\"Resource\":\"arn:",
        {
         "Ref": "AWS::Partition"
        },
@@ -115,7 +84,7 @@
        {
         "Ref": "AWS::Region"
        },
-       "::foundation-model/amazon.titan-text-express-v1\",\"Input\":{\"S3Uri.$\":\"$.names\"},\"Output\":{\"S3Uri.$\":\"$.names\"}}}},\"TimeoutSeconds\":30}"
+       "::foundation-model/amazon.titan-text-express-v1\",\"Body\":{\"inputText.$\":\"States.Format('Alphabetize this list of first names:\\n{}', $.names)\",\"textGenerationConfig\":{\"maxTokenCount\":100,\"temperature\":1}}}}},\"TimeoutSeconds\":30}"
       ]
      ]
     },

packages/@aws-cdk-testing/framework-integ/test/aws-stepfunctions-tasks/test/bedrock/integ.invoke-model.ts

@@ -52,13 +52,7 @@ const prompt2 = new BedrockInvokeModel(stack, 'Prompt2', {
   resultPath: '$',
 });
 
-const prompt3 = new BedrockInvokeModel(stack, 'Prompt3', {
-  model,
-  inputPath: sfn.JsonPath.stringAt('$.names'),
-  outputPath: sfn.JsonPath.stringAt('$.names'),
-});
-
-const chain = sfn.Chain.start(prompt1).next(prompt2).next(prompt3);
+const chain = sfn.Chain.start(prompt1).next(prompt2);
 
 new sfn.StateMachine(stack, 'StateMachine', {
   definitionBody: sfn.DefinitionBody.fromChainable(chain),

packages/aws-cdk-lib/aws-stepfunctions-tasks/README.md

@@ -398,27 +398,6 @@ const task = new tasks.BedrockInvokeModel(this, 'Prompt Model', {
     names: sfn.JsonPath.stringAt('$.Body.results[0].outputText'),
   },
 });
-```
-### Using Input Path
-
-Provide S3 URI as an input or output path to invoke a model
-
-```ts
-
-import * as bedrock from 'aws-cdk-lib/aws-bedrock';
-
-const model = bedrock.FoundationModel.fromFoundationModelId(
-  this,
-  'Model',
-  bedrock.FoundationModelIdentifier.AMAZON_TITAN_TEXT_G1_EXPRESS_V1,
-);
-
-const task = new tasks.BedrockInvokeModel(this, 'Prompt Model', {
-  model,
-  inputPath: sfn.JsonPath.stringAt('$.prompt'),
-  outputPath: sfn.JsonPath.stringAt('$.prompt'),
-});
-
 ```
 
 You can apply a guardrail to the invocation by setting `guardrail`.

packages/aws-cdk-lib/aws-stepfunctions-tasks/lib/bedrock/invoke-model.ts

@@ -140,14 +140,12 @@ export class BedrockInvokeModel extends sfn.TaskStateBase {
 
   constructor(scope: Construct, id: string, private readonly props: BedrockInvokeModelProps) {
     super(scope, id, props);
-
     this.integrationPattern = props.integrationPattern ?? sfn.IntegrationPattern.REQUEST_RESPONSE;
 
     validatePatternSupported(this.integrationPattern, BedrockInvokeModel.SUPPORTED_INTEGRATION_PATTERNS);
 
     const isBodySpecified = props.body !== undefined;
-    //Either specific props.input with bucket name and object key or input s3 path
-    const isInputSpecified = (props.input !== undefined && props.input.s3Location !== undefined) || (props.inputPath !== undefined);
+    const isInputSpecified = props.input !== undefined && props.input.s3Location !== undefined;
 
     if (isBodySpecified && isInputSpecified) {
       throw new Error('Either `body` or `input` must be specified, but not both.');
@@ -173,21 +171,7 @@ export class BedrockInvokeModel extends sfn.TaskStateBase {
       }),
     ];
 
-    if (this.props.inputPath !== undefined) {
-      policyStatements.push(
-        new iam.PolicyStatement({
-          actions: ['s3:GetObject'],
-          resources: [
-            Stack.of(this).formatArn({
-              region: '',
-              account: '',
-              service: 's3',
-              resource: '*',
-            }),
-          ],
-        }),
-      );
-    } else if (this.props.input !== undefined && this.props.input.s3Location !== undefined) {
+    if (this.props.input !== undefined && this.props.input.s3Location !== undefined) {
       policyStatements.push(
         new iam.PolicyStatement({
           actions: ['s3:GetObject'],
@@ -204,21 +188,7 @@ export class BedrockInvokeModel extends sfn.TaskStateBase {
       );
     }
 
-    if (this.props.outputPath !== undefined) {
-      policyStatements.push(
-        new iam.PolicyStatement({
-          actions: ['s3:PutObject'],
-          resources: [
-            Stack.of(this).formatArn({
-              region: '',
-              account: '',
-              service: 's3',
-              resource: '*',
-            }),
-          ],
-        }),
-      );
-    } else if (this.props.output !== undefined && this.props.output.s3Location !== undefined) {
+    if (this.props.output !== undefined && this.props.output.s3Location !== undefined) {
       policyStatements.push(
         new iam.PolicyStatement({
           actions: ['s3:PutObject'],
@@ -271,10 +241,10 @@ export class BedrockInvokeModel extends sfn.TaskStateBase {
         Body: this.props.body?.value,
         Input: this.props.input?.s3Location ? {
           S3Uri: `s3://${this.props.input.s3Location.bucketName}/${this.props.input.s3Location.objectKey}`,
-        } : this.props.inputPath ? { S3Uri: this.props.inputPath } : undefined,
+        } : undefined,
         Output: this.props.output?.s3Location ? {
           S3Uri: `s3://${this.props.output.s3Location.bucketName}/${this.props.output.s3Location.objectKey}`,
-        } : this.props.outputPath ? { S3Uri: this.props.outputPath }: undefined,
+        } : undefined,
         GuardrailIdentifier: this.props.guardrail?.guardrailIdentifier,
         GuardrailVersion: this.props.guardrail?.guardrailVersion,
         Trace: this.props.traceEnabled === undefined
@@ -284,6 +254,5 @@ export class BedrockInvokeModel extends sfn.TaskStateBase {
             : 'DISABLED',
       }),
     };
-  };
+  }
 }
-