refactor: extract vdb configs into pydantic-setting based dify configs (#5426)

api/configs/middleware/vdb/qdrant_configs.py

@@ -0,0 +1,34 @@
+from typing import Optional
+
+from pydantic import BaseModel, Field, NonNegativeInt, PositiveInt
+
+
+class QdrantConfigs(BaseModel):
+    """
+    Qdrant configs
+    """
+
+    QDRANT_URL: Optional[str] = Field(
+        description='Qdrant url',
+        default=None,
+    )
+
+    QDRANT_API_KEY: Optional[str] = Field(
+        description='Qdrant api key',
+        default=None,
+    )
+
+    QDRANT_CLIENT_TIMEOUT: NonNegativeInt = Field(
+        description='Qdrant client timeout in seconds',
+        default=20,
+    )
+
+    QDRANT_GRPC_ENABLED: bool = Field(
+        description='whether enable grpc support for Qdrant connection',
+        default=False,
+    )
+
+    QDRANT_GRPC_PORT: PositiveInt = Field(
+        description='Qdrant grpc port',
+        default=6334,
+    )