check-snapshot-age aktualisiert

Erweiterung Filter nach Dataset oder Volums

check-snapshot-age

@@ -3,25 +3,35 @@
 import subprocess
 import re
 import time
+import argparse
 
-#_snapshots = open("zfs.txt","r").read()
+# Argumente verarbeiten
+parser = argparse.ArgumentParser(description="ZFS Snapshot Übersicht")
+parser.add_argument("--filter", help="Nur bestimmte Datasets anzeigen (Regex möglich, z. B. 'rpool/ROOT')", type=str)
+args = parser.parse_args()
+
+# Snapshots abrufen
 _snapshots = subprocess.check_output("/usr/sbin/zfs list -t snapshot -Hpo name,creation".split())
 
 LABELS = ("frequent", "hourly", "daily", "weekly", "monthly", "yearly", "backup-zfs", "bashclub-zfs")
 RE_LABELSEARCH = re.compile("|".join(LABELS))
 _datasets = {}
-for _datastore,_snapshot,_creation in re.findall("^([\w_./-]+)@([\w_.-]+)\t(\d+)",_snapshots.decode('utf-8'),re.M):
+
+# Snapshots parsen
+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
+
     if _datastore not in _datasets:
         _datasets[_datastore] = {}
     _label = RE_LABELSEARCH.search(_snapshot)
-    if _label:
+    _label = _label.group(0) if _label else "other"
-        _label = _label.group(0)
+
-    else:
-        _label = "other"
     if _label not in _datasets[_datastore]:
         _datasets[_datastore][_label] = []
     _datasets[_datastore][_label].append((_snapshot, int(_creation)))
 
+# Ergebnisse anzeigen
 for _datastore in _datasets.keys():
     print(_datastore)
     print("-" * 40)