Add support for AWS credentials from profile file

https://boto3.amazonaws.com/v1/documentation/api/latest/guide/credentials.html#aws-config-file

docs/my-website/docs/providers/bedrock.md

@@ -197,7 +197,7 @@ response = completion(
 
 ### SSO Login (AWS Profile)
 - Set `AWS_PROFILE` environment variable
-- Make bedrock completion call 
+- Make bedrock completion call
 ```python
 import os
 from litellm import completion
@@ -208,11 +208,24 @@ response = completion(
 )
 ```
 
-### STS based Auth 
+or pass `aws_profile_name`:
+
+```python
+import os
+from litellm import completion
+
+response = completion(
+            model="bedrock/anthropic.claude-instant-v1",
+            messages=[{ "content": "Hello, how are you?","role": "user"}],
+            aws_profile_name="dev-profile",
+)
+```
+
+### STS based Auth
 
 - Set `aws_role_name` and `aws_session_name` in completion() / embedding() function
 
-Make the bedrock completion call 
+Make the bedrock completion call
 ```python
 from litellm import completion
 

litellm/llms/bedrock.py

@@ -356,6 +356,7 @@ def init_bedrock_client(
     aws_region_name: Optional[str] = None,
     aws_bedrock_runtime_endpoint: Optional[str] = None,
     aws_session_name: Optional[str] = None,
+    aws_profile_name: Optional[str] = None,
     aws_role_name: Optional[str] = None,
     timeout: Optional[int] = None,
 ):
@@ -371,6 +372,7 @@ def init_bedrock_client(
         aws_region_name,
         aws_bedrock_runtime_endpoint,
         aws_session_name,
+        aws_profile_name,
         aws_role_name,
     ]
 
@@ -385,6 +387,7 @@ def init_bedrock_client(
         aws_region_name,
         aws_bedrock_runtime_endpoint,
         aws_session_name,
+        aws_profile_name,
         aws_role_name,
     ) = params_to_check
 
@@ -450,6 +453,15 @@ def init_bedrock_client(
             endpoint_url=endpoint_url,
             config=config,
         )
+    elif aws_profile_name is not None:
+        # uses auth values from AWS profile usually stored in ~/.aws/credentials
+
+        client = boto3.Session(profile_name=aws_profile_name).client(
+            service_name="bedrock-runtime",
+            region_name=region_name,
+            endpoint_url=endpoint_url,
+            config=config,
+        )
     else:
         # aws_access_key_id is None, assume user is trying to auth using env variables
         # boto3 automatically reads env variables
@@ -523,6 +535,7 @@ def completion(
         aws_region_name = optional_params.pop("aws_region_name", None)
         aws_role_name = optional_params.pop("aws_role_name", None)
         aws_session_name = optional_params.pop("aws_session_name", None)
+        aws_profile_name = optional_params.pop("aws_profile_name", None)
         aws_bedrock_runtime_endpoint = optional_params.pop(
             "aws_bedrock_runtime_endpoint", None
         )
@@ -539,6 +552,7 @@ def completion(
                 aws_bedrock_runtime_endpoint=aws_bedrock_runtime_endpoint,
                 aws_role_name=aws_role_name,
                 aws_session_name=aws_session_name,
+                aws_profile_name=aws_profile_name,
             )
 
         model = model