check-snapshot-age aktualisiert

check-snapshot-age

@@ -16,35 +16,58 @@ args = parser.parse_args()
 # Snapshots abrufen
 _snapshots = subprocess.check_output([zfs, "list", "-t", "snapshot", "-Hpo", "name,creation"])
 
-LABELS = ("frequent", "hourly", "daily", "weekly", "monthly", "yearly", "backup-zfs", "bashclub-zfs")
-RE_LABELSEARCH = re.compile("|".join(LABELS))
 _datasets = {}
 
 # Snapshots parsen
-for _datastore, _snapshot, _creation in re.findall(r"^([\w_./-]+)@([\w_.-]+)\t(\d+)", _snapshots.decode('utf-8'), re.M):
+for _datastore, _snapshot, _creation in re.findall(
+        r"^([\w_./-]+)@([\w_.:-]+)\t(\d+)",
+        _snapshots.decode('utf-8'),
+        re.M):
+
     if args.filter and not re.search(args.filter, _datastore):
-        continue  # Dataset entspricht nicht dem Filter
+        continue
 
     if _datastore not in _datasets:
         _datasets[_datastore] = {}
-    _label = RE_LABELSEARCH.search(_snapshot)
-    _label = _label.group(0) if _label else "other"
+
+    # -------------------------------------------------
+    # Snapshot-Typ automatisch erkennen
+    # -------------------------------------------------
+    if _snapshot.startswith("zfs-auto-snap_"):
+        m = re.match(r"zfs-auto-snap_([^-\s]+)-", _snapshot)
+        _label = m.group(1) if m else "zfs-auto-snap"
+
+    elif re.match(r"^[^_]+_\d{4}-\d{2}-\d{2}", _snapshot):
+        # Beispiel: bashclub-zfs_2025-09-05_06:25:24
+        _label = _snapshot.split("_")[0]
+
+    else:
+        # Fallback → alles vor erstem Datum abschneiden
+        _label = re.sub(r'[-_]\d{4}-\d{2}-\d{2}.*$', '', _snapshot)
+
+    # -------------------------------------------------
 
     if _label not in _datasets[_datastore]:
         _datasets[_datastore][_label] = []
+
     _datasets[_datastore][_label].append((_snapshot, int(_creation)))
 
 # Ergebnisse anzeigen
 for _datastore in _datasets:
     print(_datastore)
     print("-" * 40)
-    for _label in _datasets[_datastore]:
+
+    for _label in sorted(_datasets[_datastore]):
         _data = _datasets[_datastore][_label]
+        _data.sort(key=lambda x: x[1])
+
         _first = time.strftime("%d.%m.%Y %H:%M:%S", time.localtime(_data[0][1]))
         _last = time.strftime("%d.%m.%Y %H:%M:%S", time.localtime(_data[-1][1]))
         _count = len(_data)
+
         print(f" {_label} {_count}")
         print(f"   {_first} {_data[0][0]}")
         if _count > 1:
             print(f"   {_last} {_data[-1][0]}")
+
     print("")