def __getFilesLocaly(self):
""" Download the files.
"""
numberofeventstoget = ceil(self.BXOverlay * self.ggtohadint)
nbfiles = len(self.lfns)
availableevents = nbfiles * self.nbofeventsperfile
if availableevents < numberofeventstoget:
return S_ERROR("Number of %s events available is less than requested" % ( self.BkgEvtType ))
if not self.NbSigEvtsPerJob:
##Compute Nsignal events
self.NbSigEvtsPerJob = self.nbinputsigfile * self.nbsigeventsperfile
if not self.NbSigEvtsPerJob:
return S_ERROR('Could not determine the number of signal events per job')
LOG.verbose("There are %s signal event" % self.NbSigEvtsPerJob)
##Now determine how many files are needed to cover all signal events
totnboffilestoget = int(ceil(self.NbSigEvtsPerJob * numberofeventstoget / self.nbofeventsperfile))
##Limit ourself to some configuration maximum
levels = [self.machine, self.energytouse, self.detectormodel, self.BkgEvtType]
maxNbFilesToGet = getOptionValue(ops=self.ops, basePath="/Overlay", optionName="MaxNbFilesToGet", defaultValue=20,
levels=levels)
if totnboffilestoget > maxNbFilesToGet:
totnboffilestoget = maxNbFilesToGet
self.__disableWatchDog()
overlaymon = OverlaySystemClient()
##Now need to check that there are not that many concurrent jobs getting the overlay at the same time
error_count = 0
count = 0
while 1:
if error_count > 10 :
LOG.error('OverlayDB returned too many errors')
return S_ERROR('Failed to get number of concurrent overlay jobs')
res = overlaymon.canRun(self.site)
if not res['OK']:
error_count += 1
time.sleep(60)
continue
error_count = 0
#if running < max_concurrent_running:
if res['Value']:
break
else:
count += 1
if count > 300:
return S_ERROR("Waited too long: 5h, so marking job as failed")
if count % 10 == 0 :
self.setApplicationStatus("Overlay standby number %s" % count)
time.sleep(60)
self.__enableWatchDog()
self.setApplicationStatus('Getting overlay files')
LOG.info('Will obtain %s files for overlay' % totnboffilestoget)
os.mkdir("./overlayinput_" + self.metaEventType)
os.chdir("./overlayinput_" + self.metaEventType)
filesobtained = []
usednumbers = []
fail = False
fail_count = 0
max_fail_allowed = self.ops.getValue("/Overlay/MaxFailedAllowed", 20)
while not len(filesobtained) == totnboffilestoget:
if fail_count > max_fail_allowed:
fail = True
break
fileindex = random.randrange(nbfiles)
if fileindex in usednumbers:
continue
usednumbers.append(fileindex)
triedDataManager = False
if self.site == 'LCG.CERN.ch':
res = self.getEOSFile(self.lfns[fileindex])
elif self.site == 'LCG.IN2P3-CC.fr':
res = self.getLyonFile(self.lfns[fileindex])
elif self.site == 'LCG.UKI-LT2-IC-HEP.uk':
res = self.getImperialFile(self.lfns[fileindex])
elif self.site == 'LCG.RAL-LCG2.uk':
res = self.getRALFile(self.lfns[fileindex])
elif self.site == 'LCG.KEK.jp':
res = self.getKEKFile(self.lfns[fileindex])
else:
self.__disableWatchDog()
res = self.datMan.getFile(self.lfns[fileindex])
triedDataManager = True
# In case the specific copying did not work (mostly because the files do
# not exist locally) try again to get the file via the DataManager
if (not res['OK']) and (not triedDataManager):
res = self.datMan.getFile(self.lfns[fileindex])
if not res['OK']:
LOG.warn('Could not obtain %s' % self.lfns[fileindex])
fail_count += 1
# Wait for a random time around 3 minutes
LOG.verbose("Waste happily some CPU time (on average 3 minutes)")
resWaste = wasteCPUCycles(60 * random.gauss(3, 0.1))
if not resWaste['OK']:
LOG.error("Could not waste as much CPU time as wanted, but whatever!")
continue
filesobtained.append(self.lfns[fileindex])
# If no file could be obtained, need to make sure the job fails
if len(usednumbers) == nbfiles and not filesobtained:
fail = True
break
## Remove all scripts remaining
scripts = glob.glob("*.sh")
for script in scripts:
os.remove(script)
##Print the file list
mylist = os.listdir(os.getcwd())
LOG.info("List of Overlay files:")
LOG.info("\n".join(mylist))
os.chdir(self.curdir)
res = overlaymon.jobDone(self.site)
if not res['OK']:
LOG.error("Could not declare the job as finished getting the files")
if fail:
LOG.error("Did not manage to get all files needed, too many errors")
return S_ERROR("Failed to get files")
LOG.info('Got all files needed.')
return S_OK()
