72 lines
1.8 KiB
Plaintext
72 lines
1.8 KiB
Plaintext
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#!/usr/bin/python
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import os
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from datetime import timedelta,datetime
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import dateutil.parser as dparser
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class Filter:
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def __init__(self, in_str, delta):
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self.in_str = in_str
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self.delta = delta
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def filter(self, snapshots):
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return filter(self._filter, snapshots)
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def _filter(self, s):
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if self.in_str in s:
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ds = dparser.parse(s.replace("mx01","mxXX").replace("G0","go"), fuzzy=True)
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return (datetime.now()+self.delta) > ds
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return True
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def filter_order(snapshots, word_list = ["hourly", "daily", "weekly", "monthly"]):
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ds = ""
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ds_pos = 0
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snapshots_ret = []
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snapshots.reverse()
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for a in snapshots:
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ds_a = a.split("@")[0]
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if ds != ds_a:
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ds = ds_a
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ds_pos = 0
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for idx,item in enumerate(word_list):
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if item in a:
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if ds_pos <= idx:
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ds_pos = idx
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else:
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snapshots_ret.append(a)
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break;
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snapshots_ret.reverse()
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return snapshots_ret
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def zfs_destroy(name):
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cmd = f"zfs destroy {name}"
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print(cmd)
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stream = os.popen(cmd)
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print(stream.read())
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snapshots = []
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try:
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with open("zfs-snaphosts.txt", "r") as f:
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snapshots = [l.strip() for l in f.readlines()]
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except IOError:
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print("read live")
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stream = os.popen('zfs list -r -t snapshot -o name')
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snapshots = stream.read().split()[1:]
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for a in filter_order(snapshots):
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zfs_destroy(a)
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f = Filter("hourly", timedelta(hours=-25))
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snapshots = list(f.filter(snapshots))
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f = Filter("daily", timedelta(days=-8))
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snapshots = list(f.filter(snapshots))
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f = Filter("weekly", timedelta(weeks=-5))
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snapshots = list(f.filter(snapshots))
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for a in filter(lambda s: "znap" in s and not "monthly" in s, snapshots):
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zfs_destroy(a)
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