docs: add new configuration field.

antarest/core/config.py

@@ -155,7 +155,7 @@ class StorageConfig:
     auto_archive_dry_run: bool = False
     auto_archive_sleeping_time: int = 3600
     auto_archive_max_parallel: int = 5
-    variant_snapshot_lifespan_days: int = 1
+    snapshot_lifespan: int = 1
 
     @classmethod
     def from_dict(cls, data: JSON) -> "StorageConfig":
@@ -185,9 +185,9 @@ def from_dict(cls, data: JSON) -> "StorageConfig":
             auto_archive_dry_run=data.get("auto_archive_dry_run", defaults.auto_archive_dry_run),
             auto_archive_sleeping_time=data.get("auto_archive_sleeping_time", defaults.auto_archive_sleeping_time),
             auto_archive_max_parallel=data.get("auto_archive_max_parallel", defaults.auto_archive_max_parallel),
-            variant_snapshot_lifespan_days=data.get(
+            snapshot_lifespan=data.get(
                 "snapshot_variant_lifespan_days",
-                defaults.variant_snapshot_lifespan_days,
+                defaults.snapshot_lifespan,
             ),
         )
 

antarest/study/storage/auto_archive_service.py

@@ -85,8 +85,8 @@ def _try_archive_studies(self) -> None:
                 )
 
     def _try_clear_snapshot(self) -> None:
-        # convert days in hours
-        hours_of_lifespan = self.config.storage.variant_snapshot_lifespan_days * 24
+        # get retention hours from number of days
+        hours_of_lifespan = self.config.storage.snapshot_lifespan * 24
 
         self.study_service.storage_service.variant_study_service.clear_all_snapshots(
             datetime.timedelta(hours=hours_of_lifespan)

docs/install/1-CONFIG.md

@@ -304,6 +304,12 @@ default:
 - **Default value:** 5
 - **Description:** Max auto archival tasks in parallel.
 
+## **snapshot_lifespan**
+
+- **Type:** Integer
+- **Default value:** 1
+- **Description:** Snapshots of variant not updated or accessed for **snapshot_lifespan** days will be cleared.
+
 ## **watcher_lock**
 
 - **Type:** Boolean