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keep fewer snpashots on backup servers

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This commit is contained in:
mwiegand 2022-08-09 19:15:58 +02:00
parent dc2dd9aa7a
commit 116697af9f
3 changed files with 59 additions and 20 deletions
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67
bundles/zfs/metadata.py
View file

@ -45,24 +45,6 @@ defaults = {
'when': '*-2,4,6,8,10,12-1 02:00',
'persistent': True,
},
'zfs-auto-snapshot-hourly': {
'command': '/usr/sbin/zfs-auto-snapshot --quiet --syslog --label=hourly --keep=24 //',
'when': 'hourly',
},
'zfs-auto-snapshot-daily': {
'command': '/usr/sbin/zfs-auto-snapshot --quiet --syslog --label=daily --keep=7 //',
'when': 'daily',
},
'zfs-auto-snapshot-weekly': {
'command': '/usr/sbin/zfs-auto-snapshot --quiet --syslog --label=weekly --keep=4 //',
'when': 'weekly',
'persistent': True,
},
'zfs-auto-snapshot-monthly': {
'command': '/usr/sbin/zfs-auto-snapshot --quiet --syslog --label=monthly --keep=24 //',
'when': 'monthly',
'persistent': True,
},
},
'telegraf': {
'config': {
@ -81,6 +63,12 @@ defaults = {
'storage_classes': {
'ssd': 'tank',
},
'auto_snapshots': {
'hourly': 24,
'daily': 7,
'weekly': 4,
'monthly': 24,
},
},
}
@ -124,7 +112,7 @@ def headers(metadata):
arch = 'arm64'
else:
arch = 'amd64'
return {
'apt': {
'packages': {
@ -143,7 +131,7 @@ def headers(metadata):
)
def arc_size(metadata):
arc_percent = metadata.get('zfs/zfs_arc_max_percent', None)
if arc_percent:
return {
'zfs': {
@ -156,3 +144,42 @@ def arc_size(metadata):
}
else:
return {}
@metadata_reactor.provides(
'systemd-timers/zfs-auto-snapshot-hourly',
'systemd-timers/zfs-auto-snapshot-daily',
'systemd-timers/zfs-auto-snapshot-weekly',
'systemd-timers/zfs-auto-snapshot-monthly',
)
def auto_snapshots(metadata):
hourly = metadata.get('zfs/auto_snapshots/hourly')
daily = metadata.get('zfs/auto_snapshots/daily')
weekly = metadata.get('zfs/auto_snapshots/weekly')
monthly = metadata.get('zfs/auto_snapshots/monthly')
# cant be 0
assert hourly > 0 and daily > 0 and weekly > 0 and monthly > 0
return {
'systemd-timers': {
'zfs-auto-snapshot-hourly': {
'command': f'/usr/sbin/zfs-auto-snapshot --quiet --syslog --label=hourly --keep={hourly} //',
'when': 'hourly',
},
'zfs-auto-snapshot-daily': {
'command': f'/usr/sbin/zfs-auto-snapshot --quiet --syslog --label=daily --keep={daily} //',
'when': 'daily',
},
'zfs-auto-snapshot-weekly': {
'command': f'/usr/sbin/zfs-auto-snapshot --quiet --syslog --label=weekly --keep={weekly} //',
'when': 'weekly',
'persistent': True,
},
'zfs-auto-snapshot-monthly': {
'command': f'/usr/sbin/zfs-auto-snapshot --quiet --syslog --label=monthly --keep={monthly} //',
'when': 'monthly',
'persistent': True,
},
},
}

6
nodes/home.backups.py
View file

@ -56,6 +56,12 @@
],
},
},
'auto_snapshots': {
'hourly': 1,
'daily': 7,
'weekly': 4,
'monthly': 24,
},
},
},
}

6
nodes/wb.offsite-backups.py
View file

@ -67,6 +67,12 @@
],
},
},
'auto_snapshots': {
'hourly': 1,
'daily': 1,
'weekly': 4,
'monthly': 24,
},
},
},
}