Update to 2023-03-17 16:00

roles/offen/templates/pre-backup.j2

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -eo pipefail
+
+/usr/bin/mysqldump --user={{ offen_db_user | quote }} \
+                   --password={{ offen_db_pass | quote }} \
+                   --host={{ offen_db_server }} \
+                   --quick --single-transaction \
+                   --add-drop-table {{ offen_db_name }} | \
+               zstd -c > {{ offen_root_dir }}/backup/{{ offen_db_name }}.sql.zst
+