Feat: add s3-compatible storage boxes (#11313)

### What problem does this PR solve?

PR for implementing s3 compatible storage units #11240 

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

common/data_source/blob_connector.py

@@ -87,6 +87,13 @@ class BlobStorageConnector(LoadConnector, PollConnector):
             ):
                 raise ConnectorMissingCredentialError("Oracle Cloud Infrastructure")
 
+        elif self.bucket_type == BlobType.S3_COMPATIBLE:
+            if not all(
+                credentials.get(key)
+                for key in ["endpoint_url", "aws_access_key_id", "aws_secret_access_key"]
+            ):
+                raise ConnectorMissingCredentialError("S3 Compatible Storage")
+
         else:
             raise ValueError(f"Unsupported bucket type: {self.bucket_type}")
 

common/data_source/config.py

@@ -32,6 +32,7 @@ class BlobType(str, Enum):
     R2 = "r2"
     GOOGLE_CLOUD_STORAGE = "google_cloud_storage"
     OCI_STORAGE = "oci_storage"
+    S3_COMPATIBLE = "s3_compatible"
 
 
 class DocumentSource(str, Enum):
@@ -47,6 +48,7 @@ class DocumentSource(str, Enum):
     GOOGLE_DRIVE = "google_drive"
     GMAIL = "gmail"
     DISCORD = "discord"
+    S3_COMPATIBLE = "s3_compatible"
 
 
 class FileOrigin(str, Enum):

common/data_source/utils.py

@@ -311,6 +311,13 @@ def create_s3_client(bucket_type: BlobType, credentials: dict[str, Any], europea
             aws_secret_access_key=credentials["secret_access_key"],
             region_name=credentials["region"],
         )
+    elif bucket_type == BlobType.S3_COMPATIBLE:
+        return boto3.client(
+            "s3",
+            endpoint_url=credentials["endpoint_url"],
+            aws_access_key_id=credentials["aws_access_key_id"],
+            aws_secret_access_key=credentials["aws_secret_access_key"],
+        )    
 
     else:
         raise ValueError(f"Unsupported bucket type: {bucket_type}")