feat: support openGauss vector database (#15865)

api/configs/middleware/vdb/opengauss_config.py

@@ -0,0 +1,45 @@
+from typing import Optional
+
+from pydantic import Field, PositiveInt
+from pydantic_settings import BaseSettings
+
+
+class OpenGaussConfig(BaseSettings):
+    """
+    Configuration settings for OpenGauss
+    """
+
+    OPENGAUSS_HOST: Optional[str] = Field(
+        description="Hostname or IP address of the OpenGauss server(e.g., 'localhost')",
+        default=None,
+    )
+
+    OPENGAUSS_PORT: PositiveInt = Field(
+        description="Port number on which the OpenGauss server is listening (default is 6600)",
+        default=6600,
+    )
+
+    OPENGAUSS_USER: Optional[str] = Field(
+        description="Username for authenticating with the OpenGauss database",
+        default=None,
+    )
+
+    OPENGAUSS_PASSWORD: Optional[str] = Field(
+        description="Password for authenticating with the OpenGauss database",
+        default=None,
+    )
+
+    OPENGAUSS_DATABASE: Optional[str] = Field(
+        description="Name of the OpenGauss database to connect to",
+        default=None,
+    )
+
+    OPENGAUSS_MIN_CONNECTION: PositiveInt = Field(
+        description="Min connection of the OpenGauss database",
+        default=1,
+    )
+
+    OPENGAUSS_MAX_CONNECTION: PositiveInt = Field(
+        description="Max connection of the OpenGauss database",
+        default=5,
+    )