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)
def do_backup_key(key_id, keys_folder=None, wait_result=False):
"""
Send given key to my suppliers to store it remotely.
This will make a regular backup copy of that key file - encrypted with my master key.
"""
if _Debug:
lg.out(_DebugLevel, 'key_ring.do_backup_key key_id=%r' % key_id)
if key_id == my_id.getGlobalID(key_alias='master') or key_id == 'master':
lg.err('master key must never leave local host')
if wait_result:
return fail(Exception('master key must never leave local host'))
return False
if not my_keys.is_key_registered(key_id):
lg.err('unknown key: "%s"' % key_id)
if wait_result:
return fail(Exception('unknown key: "%s"' % key_id))
return False
if not keys_folder:
keys_folder = settings.KeyStoreDir()
if my_keys.is_key_private(key_id):
local_key_filepath = os.path.join(keys_folder, '%s.private' % key_id)
remote_path_for_key = '.keys/%s.private' % key_id
else:
local_key_filepath = os.path.join(keys_folder, '%s.public' % key_id)
remote_path_for_key = '.keys/%s.public' % key_id
global_key_path = global_id.MakeGlobalID(
key_alias='master', customer=my_id.getGlobalID(), path=remote_path_for_key)
res = api.file_exists(global_key_path)
if res['status'] == 'OK' and res['result'] and res['result'].get('exist'):
lg.warn('key %s already exists in catalog' % global_key_path)
global_key_path_id = res['result'].get('path_id')
if global_key_path_id and backup_control.IsPathInProcess(global_key_path_id):
lg.warn('skip, another backup for key already started: %s' % global_key_path_id)
if not wait_result:
return True
backup_id_list = backup_control.FindRunningBackup(global_key_path_id)
if backup_id_list:
backup_id = backup_id_list[0]
backup_job = backup_control.GetRunningBackupObject(backup_id)
if backup_job:
backup_result = Deferred()
backup_job.resultDefer.addCallback(
lambda resp: backup_result.callback(True) if resp == 'done' else backup_result.errback(
Exception('failed to upload key "%s", task was not started: %r' % (global_key_path, resp))))
if _Debug:
backup_job.resultDefer.addErrback(lg.errback, debug=_Debug, debug_level=_DebugLevel, method='key_ring.do_backup_key')
backup_job.resultDefer.addErrback(backup_result.errback)
if _Debug:
lg.args(_DebugLevel, backup_id=backup_id, global_key_path_id=global_key_path_id)
return backup_result
else:
lg.warn('did not found running backup job: %r' % backup_id)
else:
lg.warn('did not found running backup id for path: %r' % global_key_path_id)
else:
res = api.file_create(global_key_path)
if res['status'] != 'OK':
lg.err('failed to create path "%s" in the catalog: %r' % (global_key_path, res))
if wait_result:
return fail(Exception('failed to create path "%s" in the catalog: %r' % (global_key_path, res)))
return False
res = api.file_upload_start(
local_path=local_key_filepath,
remote_path=global_key_path,
wait_result=wait_result,
open_share=False,
)
if not wait_result:
if res['status'] != 'OK':
lg.err('failed to upload key "%s": %r' % (global_key_path, res))
return False
if _Debug:
lg.out(_DebugLevel, 'key_ring.do_backup_key key_id=%s : %r' % (key_id, res))
return True
backup_result = Deferred()
# TODO: put that code bellow into api.file_upload_start() method with additional parameter
def _job_done(result):
if _Debug:
lg.args(_DebugLevel, key_id=key_id, result=result)
if result == 'done':
backup_result.callback(True)
else:
backup_result.errback(Exception('failed to upload key "%s", backup is %r' % (key_id, result)))
return None
def _task_started(resp):
if _Debug:
lg.args(_DebugLevel, key_id=key_id, response=resp)
if resp['status'] != 'OK':
backup_result.errback(Exception('failed to upload key "%s", task was not started: %r' % (global_key_path, resp)))
return None
backupObj = backup_control.jobs().get(resp['version'])
if not backupObj:
backup_result.errback(Exception('failed to upload key "%s", task %r failed to start' % (global_key_path, resp['version'])))
return None
backupObj.resultDefer.addCallback(_job_done)
backupObj.resultDefer.addErrback(backup_result.errback)
return None
if not isinstance(res, Deferred):
res_defer = Deferred()
res_defer.callback(res)
res = res_defer
res.addCallback(_task_started)
res.addErrback(backup_result.errback)
return backup_result
