flifloo/BackupPC_archive_host_B2
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add --keep option to keep the n most recent backups when deleting by age

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This commit is contained in:
Ryan Tucker 2010-03-16 11:26:49 -04:00
parent 2b5b57b888
commit 7b1d0356e0
1 changed files with 17 additions and 2 deletions
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19
backup-manager.py
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@ -157,6 +157,8 @@ def main():
help="Backup number")
parser.add_option("-a", "--age", dest="age",
help="Delete backups older than AGE days")
parser.add_option("-k", "--keep", dest="keep",
help="When used with --age, keep this many recent backups (default=1)", default=1)
parser.add_option("-f", "--filename", dest="filename",
help="Output filename for script")
parser.add_option("-x", "--expire", dest="expire",
@ -235,7 +237,7 @@ def main():
hostnames = list_backups(bucket)
for hostname in hostnames.keys():
backups = hostnames[hostname]
for backupnum in backups.keys():
for backupnum in sorted(backups.keys()):
filecount = len(backups[backupnum]['keys'])
datestruct = backups[backupnum]['date']
if backups[backupnum]['finalized'] > 0:
@ -265,7 +267,20 @@ def main():
hostnames = list_backups(bucket)
for hostname in hostnames.keys():
backups = hostnames[hostname]
for backupnum in backups.keys():
backuplist = sorted(backups.keys())
# remove a number of recent backups from the delete list
for i in range(1,int(options.keep)+1):
if len(backuplist) > 0:
backupnum = backuplist.pop()
filecount = len(backups[backupnum]['keys'])
if backups[backupnum]['finalized'] > 0:
datestruct = backups[backupnum]['finalized']
else:
datestruct = backups[backupnum]['date']
timestamp = time.mktime(datestruct)
delta = int(time.time() - timestamp + time.timezone)
sys.stdout.write('Keeping #%i-most recent backup %s #%i (%i files, age %.2f days)\n' % (i, hostname, backupnum, filecount, delta/86400.0))
for backupnum in backuplist:
filecount = len(backups[backupnum]['keys'])
if backups[backupnum]['finalized'] > 0:
datestruct = backups[backupnum]['finalized']