Add Volcengine VikingDB as new vector provider (#9287)

api/configs/middleware/vdb/vikingdb_config.py

@@ -0,0 +1,37 @@
+from typing import Optional
+
+from pydantic import BaseModel, Field
+
+
+class VikingDBConfig(BaseModel):
+    """
+    Configuration for connecting to Volcengine VikingDB.
+    Refer to the following documentation for details on obtaining credentials:
+    https://www.volcengine.com/docs/6291/65568
+    """
+
+    VIKINGDB_ACCESS_KEY: Optional[str] = Field(
+        default=None, description="The Access Key provided by Volcengine VikingDB for API authentication."
+    )
+    VIKINGDB_SECRET_KEY: Optional[str] = Field(
+        default=None, description="The Secret Key provided by Volcengine VikingDB for API authentication."
+    )
+    VIKINGDB_REGION: Optional[str] = Field(
+        default="cn-shanghai",
+        description="The region of the Volcengine VikingDB service.(e.g., 'cn-shanghai', 'cn-beijing').",
+    )
+    VIKINGDB_HOST: Optional[str] = Field(
+        default="api-vikingdb.mlp.cn-shanghai.volces.com",
+        description="The host of the Volcengine VikingDB service.(e.g., 'api-vikingdb.volces.com', \
+            'api-vikingdb.mlp.cn-shanghai.volces.com')",
+    )
+    VIKINGDB_SCHEME: Optional[str] = Field(
+        default="http",
+        description="The scheme of the Volcengine VikingDB service.(e.g., 'http', 'https').",
+    )
+    VIKINGDB_CONNECTION_TIMEOUT: Optional[int] = Field(
+        default=30, description="The connection timeout of the Volcengine VikingDB service."
+    )
+    VIKINGDB_SOCKET_TIMEOUT: Optional[int] = Field(
+        default=30, description="The socket timeout of the Volcengine VikingDB service."
+    )