51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
#!/usr/bin/env python3
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import subprocess
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import re
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import time
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import argparse
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# ZFS-Pfad ermitteln
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zfs = subprocess.check_output(["which", "zfs"]).decode().strip()
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# Argumente verarbeiten
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parser = argparse.ArgumentParser(description="ZFS Snapshot Übersicht")
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parser.add_argument("--filter", help="Nur bestimmte Datasets anzeigen (Regex möglich, z.B. 'rpool/ROOT')", type=str)
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args = parser.parse_args()
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# Snapshots abrufen
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_snapshots = subprocess.check_output([zfs, "list", "-t", "snapshot", "-Hpo", "name,creation"])
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LABELS = ("frequent", "hourly", "daily", "weekly", "monthly", "yearly", "backup-zfs", "bashclub-zfs")
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RE_LABELSEARCH = re.compile("|".join(LABELS))
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_datasets = {}
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# Snapshots parsen
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for _datastore, _snapshot, _creation in re.findall(r"^([\w_./-]+)@([\w_.-]+)\t(\d+)", _snapshots.decode('utf-8'), re.M):
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if args.filter and not re.search(args.filter, _datastore):
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continue # Dataset entspricht nicht dem Filter
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if _datastore not in _datasets:
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_datasets[_datastore] = {}
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_label = RE_LABELSEARCH.search(_snapshot)
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_label = _label.group(0) if _label else "other"
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if _label not in _datasets[_datastore]:
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_datasets[_datastore][_label] = []
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_datasets[_datastore][_label].append((_snapshot, int(_creation)))
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# Ergebnisse anzeigen
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for _datastore in _datasets:
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print(_datastore)
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print("-" * 40)
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for _label in _datasets[_datastore]:
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_data = _datasets[_datastore][_label]
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_first = time.strftime("%d.%m.%Y %H:%M:%S", time.localtime(_data[0][1]))
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_last = time.strftime("%d.%m.%Y %H:%M:%S", time.localtime(_data[-1][1]))
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_count = len(_data)
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print(f" {_label} {_count}")
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print(f" {_first} {_data[0][0]}")
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if _count > 1:
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print(f" {_last} {_data[-1][0]}")
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print("")
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