def _delete_version(params):
lg.out(6, '_delete_version %s' % str(params))
backupID = params['backupid']
if not packetid.Valid(backupID):
return {
'result': {
"success": False,
"error": "backupID %s is not valid" % backupID
}
}
customerGlobalID, remotePath, version = packetid.SplitBackupID(backupID)
if not customerGlobalID:
customerGlobalID = my_id.getGlobalID()
if not backup_fs.ExistsID(
remotePath,
iterID=backup_fs.fsID(
global_id.GlobalUserToIDURL(customerGlobalID))):
return {
'result': {
"success": False,
"error": "path %s not found" % remotePath
}
}
if version:
backup_control.DeleteBackup(backupID, saveDB=False, calculate=False)
backup_fs.Scan()
backup_fs.Calculate()
backup_control.Save()
backup_monitor.A('restart')
control.request_update([
('backupID', backupID),
])
return {'result': {"success": True, "error": None}}
def doCleanUpBackups(self, *args, **kwargs):
# here we check all backups we have and remove the old one
# user can set how many versions of that file or folder to keep
# other versions (older) will be removed here
from storage import backup_rebuilder
try:
self.backups_progress_last_iteration = len(
backup_rebuilder.A().backupsWasRebuilt)
except:
self.backups_progress_last_iteration = 0
versionsToKeep = settings.getBackupsMaxCopies()
if not contactsdb.num_suppliers():
bytesUsed = 0
else:
bytesUsed = backup_fs.sizebackups() / contactsdb.num_suppliers()
bytesNeeded = diskspace.GetBytesFromString(settings.getNeededString(),
0)
customerGlobID = my_id.getGlobalID()
if _Debug:
lg.out(
_DebugLevel,
'backup_monitor.doCleanUpBackups backupsToKeep=%d used=%d needed=%d'
% (versionsToKeep, bytesUsed, bytesNeeded))
delete_count = 0
if versionsToKeep > 0:
for pathID, localPath, itemInfo in backup_fs.IterateIDs():
pathID = global_id.CanonicalID(pathID)
if backup_control.IsPathInProcess(pathID):
continue
versions = itemInfo.list_versions()
# TODO: do we need to sort the list? it comes from a set, so must be sorted may be
while len(versions) > versionsToKeep:
backupID = packetid.MakeBackupID(customerGlobID, pathID,
versions.pop(0))
if _Debug:
lg.out(
_DebugLevel,
'backup_monitor.doCleanUpBackups %d of %d backups for %s, so remove older %s'
% (len(versions), versionsToKeep, localPath,
backupID))
backup_control.DeleteBackup(backupID,
saveDB=False,
calculate=False)
delete_count += 1
# we need also to fit used space into needed space (given from other users)
# they trust us - do not need to take extra space from our friends
# so remove oldest backups, but keep at least one for every folder - at least locally!
# still our suppliers will remove our "extra" files by their "local_tester"
if bytesNeeded <= bytesUsed:
sizeOk = False
for pathID, localPath, itemInfo in backup_fs.IterateIDs():
if sizeOk:
break
pathID = global_id.CanonicalID(pathID)
versions = itemInfo.list_versions(True, False)
if len(versions) <= 1:
continue
for version in versions[1:]:
backupID = packetid.MakeBackupID(customerGlobID, pathID,
version)
versionInfo = itemInfo.get_version_info(version)
if versionInfo[1] > 0:
if _Debug:
lg.out(
_DebugLevel,
'backup_monitor.doCleanUpBackups over use %d of %d, so remove %s of %s'
%
(bytesUsed, bytesNeeded, backupID, localPath))
backup_control.DeleteBackup(backupID,
saveDB=False,
calculate=False)
delete_count += 1
bytesUsed -= versionInfo[1]
if bytesNeeded > bytesUsed:
sizeOk = True
break
if delete_count > 0:
backup_fs.Scan()
backup_fs.Calculate()
backup_control.Save()
from main import control
control.request_update()
collected = gc.collect()
if self.backups_progress_last_iteration > 0:
if _Debug:
lg.out(
_DebugLevel,
'backup_monitor.doCleanUpBackups sending "restart", backups_progress_last_iteration=%s'
% self.backups_progress_last_iteration)
reactor.callLater(1, self.automat, 'restart') # @UndefinedVariable
if _Debug:
lg.out(
_DebugLevel,
'backup_monitor.doCleanUpBackups collected %d objects' %
collected)