def run(self):
"""
Runs a new ``Job`` from that ``Task``.
"""
iter_and_path = backup_fs.WalkByID(self.remotePath, iterID=backup_fs.fsID(self.customerIDURL))
if iter_and_path is None:
lg.out(4, 'backup_control.Task.run ERROR %s not found in the index' % self.remotePath)
# self.defer.callback('error', self.pathID)
# self._on_job_failed(self.pathID)
err = 'remote path "%s" not found in the catalog' % self.remotePath
OnTaskFailed(self.pathID, err)
return err
itemInfo, sourcePath = iter_and_path
if isinstance(itemInfo, dict):
try:
itemInfo = itemInfo[backup_fs.INFO_KEY]
except:
lg.exc()
# self._on_job_failed(self.pathID)
err = 'catalog item related to "%s" is broken' % self.remotePath
OnTaskFailed(self.pathID, err)
return err
if not self.localPath:
self.localPath = sourcePath
lg.out('backup_control.Task.run local path was populated from catalog: %s' % self.localPath)
if self.localPath != sourcePath:
lg.warn('local path is differ from catalog: %s != %s' % (self.localPath, sourcePath))
if not bpio.pathExist(self.localPath):
lg.warn('path not exist: %s' % self.localPath)
# self._on_job_failed(self.pathID)
err = 'local path "%s" not exist' % self.localPath
OnTaskFailed(self.pathID, err)
return err
# if os.path.isfile(self.localPath) and self.localPath != sourcePath:
# tmpfile.make(name, extension, prefix)
dataID = misc.NewBackupID()
if itemInfo.has_version(dataID):
# ups - we already have same version
# let's add 1,2,3... to the end to make absolutely unique version ID
i = 1
while itemInfo.has_version(dataID + str(i)):
i += 1
dataID += str(i)
self.backupID = packetid.MakeBackupID(
customer=self.fullCustomerID,
path_id=self.remotePath,
version=dataID,
)
if self.backupID in jobs():
lg.warn('backup job %s already started' % self.backupID)
return 'backup job %s already started' % self.backupID
try:
backup_fs.MakeLocalDir(settings.getLocalBackupsDir(), self.backupID)
except:
lg.exc()
lg.out(4, 'backup_control.Task.run ERROR creating destination folder for %s' % self.pathID)
# self.defer.callback('error', self.pathID)
# self._on_job_failed(self.backupID)
err = 'failed creating destination folder for "%s"' % self.backupID
return OnTaskFailed(self.backupID, err)
compress_mode = 'bz2' # 'none' # 'gz'
arcname = os.path.basename(sourcePath)
if bpio.pathIsDir(self.localPath):
backupPipe = backup_tar.backuptardir(self.localPath, arcname=arcname, compress=compress_mode)
else:
backupPipe = backup_tar.backuptarfile(self.localPath, arcname=arcname, compress=compress_mode)
backupPipe.make_nonblocking()
job = backup.backup(
self.backupID,
backupPipe,
finishCallback=OnJobDone,
blockResultCallback=OnBackupBlockReport,
blockSize=settings.getBackupBlockSize(),
sourcePath=self.localPath,
keyID=self.keyID or itemInfo.key_id,
)
jobs()[self.backupID] = job
itemInfo.add_version(dataID)
if itemInfo.type == backup_fs.DIR:
dirsize.ask(self.localPath, OnFoundFolderSize, (self.pathID, dataID))
else:
sz = os.path.getsize(self.localPath)
jobs()[self.backupID].totalSize = sz
itemInfo.set_size(sz)
backup_fs.Calculate()
Save()
jobs()[self.backupID].automat('start')
reactor.callLater(0, FireTaskStartedCallbacks, self.pathID, dataID)
lg.out(4, 'backup_control.Task-%d.run [%s/%s], size=%d, %s' % (
self.number, self.pathID, dataID, itemInfo.size, self.localPath))
return None
def run(self):
"""
Runs a new ``Job`` from that ``Task``.
Called from ``RunTasks()`` method if it is possible to start a
new task - the maximum number of simultaneously running ``Jobs``
is limited.
"""
import backup_tar
import backup
iter_and_path = backup_fs.WalkByID(self.pathID)
if iter_and_path is None:
lg.out(4, 'backup_control.Task.run ERROR %s not found in the index' % self.pathID)
# self.defer.callback('error', self.pathID)
return
itemInfo, sourcePath = iter_and_path
if isinstance(itemInfo, dict):
try:
itemInfo = itemInfo[backup_fs.INFO_KEY]
except:
lg.exc()
return
if self.localPath and self.localPath != sourcePath:
lg.warn('local path were changed: %s -> %s' % (self.localPath, sourcePath))
self.localPath = sourcePath
if not bpio.pathExist(sourcePath):
lg.warn('path not exist: %s' % sourcePath)
reactor.callLater(0, OnTaskFailed, self.pathID, 'not exist')
return
dataID = misc.NewBackupID()
if itemInfo.has_version(dataID):
# ups - we already have same version
# let's add 1,2,3... to the end to make absolutely unique version ID
i = 1
while itemInfo.has_version(dataID + str(i)):
i += 1
dataID += str(i)
backupID = self.pathID + '/' + dataID
try:
backup_fs.MakeLocalDir(settings.getLocalBackupsDir(), backupID)
except:
lg.exc()
lg.out(4, 'backup_control.Task.run ERROR creating destination folder for %s' % self.pathID)
# self.defer.callback('error', self.pathID)
return
compress_mode = 'bz2' # 'none' # 'gz'
if bpio.pathIsDir(sourcePath):
backupPipe = backup_tar.backuptar(sourcePath, compress=compress_mode)
else:
backupPipe = backup_tar.backuptarfile(sourcePath, compress=compress_mode)
backupPipe.make_nonblocking()
job = backup.backup(
backupID, backupPipe,
OnJobDone, OnBackupBlockReport,
settings.getBackupBlockSize(),
sourcePath)
jobs()[backupID] = job
itemInfo.add_version(dataID)
if itemInfo.type in [backup_fs.PARENT, backup_fs.DIR]:
dirsize.ask(sourcePath, OnFoundFolderSize, (self.pathID, dataID))
else:
jobs()[backupID].totalSize = os.path.getsize(sourcePath)
jobs()[backupID].automat('start')
reactor.callLater(0, FireTaskStartedCallbacks, self.pathID, dataID)
lg.out(4, 'backup_control.Task-%d.run [%s/%s], size=%d, %s' % (
self.number, self.pathID, dataID, itemInfo.size, sourcePath))