add volcengine tos storage (#8164)

api/configs/middleware/storage/volcengine_tos_storage_config.py

@@ -0,0 +1,34 @@
+from typing import Optional
+
+from pydantic import BaseModel, Field
+
+
+class VolcengineTOSStorageConfig(BaseModel):
+    """
+    Volcengine tos storage configs
+    """
+
+    VOLCENGINE_TOS_BUCKET_NAME: Optional[str] = Field(
+        description="Volcengine TOS Bucket Name",
+        default=None,
+    )
+
+    VOLCENGINE_TOS_ACCESS_KEY: Optional[str] = Field(
+        description="Volcengine TOS Access Key",
+        default=None,
+    )
+
+    VOLCENGINE_TOS_SECRET_KEY: Optional[str] = Field(
+        description="Volcengine TOS Secret Key",
+        default=None,
+    )
+
+    VOLCENGINE_TOS_ENDPOINT: Optional[str] = Field(
+        description="Volcengine TOS Endpoint URL",
+        default=None,
+    )
+
+    VOLCENGINE_TOS_REGION: Optional[str] = Field(
+        description="Volcengine TOS Region",
+        default=None,
+    )