feat: add Amazon Bedrock support

.github/workflows/linting_preview.yml

@@ -63,10 +63,7 @@ jobs:
         uses: tj-actions/changed-files@v40
         with:
           files: |
-            **/*.py
-          files_ignore: |
-            test/**
-            rest_api/test/**
+            haystack/preview/**/*.py
 
       - uses: actions/setup-python@v4
         with:

haystack/errors.py

@@ -202,6 +202,27 @@ class HuggingFaceInferenceUnauthorizedError(HuggingFaceInferenceError):
     """Exception for issues that occur in the HuggingFace inference node due to unauthorized access"""
 
 
+class AWSConfigurationError(NodeError):
+    """Exception raised when AWS is not configured correctly"""
+
+    def __init__(self, message: Optional[str] = None, send_message_in_event: bool = False):
+        super().__init__(message=message, send_message_in_event=send_message_in_event)
+
+
+class AmazonBedrockConfigurationError(NodeError):
+    """Exception raised when AmazonBedrock node is not configured correctly"""
+
+    def __init__(self, message: Optional[str] = None, send_message_in_event: bool = False):
+        super().__init__(message=message, send_message_in_event=send_message_in_event)
+
+
+class AmazonBedrockInferenceError(NodeError):
+    """Exception for issues that occur in the Bedrock inference node"""
+
+    def __init__(self, message: Optional[str] = None, send_message_in_event: bool = False):
+        super().__init__(message=message, send_message_in_event=send_message_in_event)
+
+
 class SageMakerInferenceError(NodeError):
     """Exception for issues that occur in the SageMaker inference node"""
 

haystack/nodes/prompt/invocation_layer/__init__.py

@@ -8,6 +8,7 @@
 from haystack.nodes.prompt.invocation_layer.cohere import CohereInvocationLayer
 from haystack.nodes.prompt.invocation_layer.hugging_face import HFLocalInvocationLayer
 from haystack.nodes.prompt.invocation_layer.hugging_face_inference import HFInferenceEndpointInvocationLayer
+from haystack.nodes.prompt.invocation_layer.amazon_bedrock import AmazonBedrockInvocationLayer
 from haystack.nodes.prompt.invocation_layer.sagemaker_meta import SageMakerMetaInvocationLayer
 from haystack.nodes.prompt.invocation_layer.sagemaker_hf_infer import SageMakerHFInferenceInvocationLayer
 from haystack.nodes.prompt.invocation_layer.sagemaker_hf_text_gen import SageMakerHFTextGenerationInvocationLayer