Core setup

librarian_background/rolling_deletion.py

@@ -0,0 +1,18 @@
+"""
+A (very) dangerous task that you may have to use. This task will delete files that
+are older than a certain age, subject to some (optional) constraints:
+
+a) The file must have $N$ remote instances available throughout the network
+b) The checksums of those files must match the original checksum
+"""
+
+from .task import Task
+
+
+class RollingDeletion(Task):
+    """
+    A background task that deletes _instances_ (not files!) that are older than
+    a certain age.
+    """
+
+    pass