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bundles/zfs: adjust warning period for check_zfs_old_snapshots

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Franzi 2020-12-18 08:23:42 +01:00
parent 487e4d0df6
commit 958f5893e6
Signed by: kunsi
GPG key ID: 12E3D2136B818350
1 changed files with 10 additions and 15 deletions
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25
bundles/zfs/files/check_zfs_old_snapshots
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@ -8,11 +8,9 @@ from sys import exit
output = check_output(['zfs', 'get', 'creation', '-Hpr', '-t', 'snapshot']) output = check_output(['zfs', 'get', 'creation', '-Hpr', '-t', 'snapshot'])
now = int(datetime.now().timestamp()) now = int(datetime.now().timestamp())
warn_age = now - (60 * 60 * 24 * 60) warn_age = now - (60 * 60 * 24 * 90)
crit_age = now - (60 * 60 * 24 * 90)
warn_snapshots = set() warn_snapshots = set()
crit_snapshots = set()
return_code = 0 return_code = 0
@ -28,6 +26,11 @@ for line in output.decode('utf-8').split("\n"):
if 'zfs-auto-snap' in items[0]: if 'zfs-auto-snap' in items[0]:
continue continue
# SNAPSHOT_FOR_RESET is used by bundle automatic-reset-of-zfs-dataset
# to reset datasets to a known good state (used for test systems).
if 'SNAPSHOT_FOR_RESET' in items[0]:
continue
# These are docker-internal snapshots and should not be touched by # These are docker-internal snapshots and should not be touched by
# us. # us.
if match(r'^tank/docker/[a-z0-9]+(-init)?@[0-9]+', items[0]): if match(r'^tank/docker/[a-z0-9]+(-init)?@[0-9]+', items[0]):
@ -41,23 +44,15 @@ for line in output.decode('utf-8').split("\n"):
creation_date = int(items[2]) creation_date = int(items[2])
if creation_date < crit_age: if creation_date < warn_age:
crit_snapshots.add(items[0])
elif creation_date < warn_age:
warn_snapshots.add(items[0]) warn_snapshots.add(items[0])
# We have to do additional loops in here to have CRITICAL items on top.
for snap in sorted(crit_snapshots):
print('CRITICAL - {} is older than 90 days'.format(snap))
for snap in sorted(warn_snapshots): for snap in sorted(warn_snapshots):
print('WARN - {} is older than 60 days'.format(snap)) print('WARN - {} is older than 90 days'.format(snap))
if len(crit_snapshots) > 0: if len(warn_snapshots) > 0:
return_code = 2
elif len(warn_snapshots) > 0:
return_code = 1 return_code = 1
else: else:
print('OK - no snapshots are older than 60 days') print('OK - no snapshots are older than 90 days')
exit(return_code) exit(return_code)