From 5bed8cb7a9362d1c0549f51b6532d969c1e0d0ff Mon Sep 17 00:00:00 2001
From: Josh Borrow <josh@joshborrow.com>
Date: Thu, 14 Nov 2024 13:13:23 -0500
Subject: [PATCH] Core setup

---
 librarian_background/rolling_deletion.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 librarian_background/rolling_deletion.py

diff --git a/librarian_background/rolling_deletion.py b/librarian_background/rolling_deletion.py
new file mode 100644
index 0000000..bd8a964
--- /dev/null
+++ b/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