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root/cvsroot/COMP/CRAB/python/LFNBaseName.py

Comparing COMP/CRAB/python/LFNBaseName.py (file contents):
Revision 1.16 by fanzago, Thu Oct 23 17:07:22 2008 UTC vs.
Revision 1.24 by spiga, Wed Sep 30 10:32:21 2009 UTC

#	Line 4 | Line 4 | _LFNBaseName_
4		"""
5
6		from crab_exceptions import *
7	<	from crab_util import runCommand, UnixUserName
7	>	from crab_util import runCommand, getUserName
8		import common
9		import os, string, time
10	–	from ProdCommon.SiteDB.SiteDB import SiteDBJSON
10
11
12	<	def LFNBase(lfn, PrimaryDataset='',ProcessedDataset='',merged=True,LocalUser=False,publish=False):
12	>	def LFNBase(forced_path, PrimaryDataset='',ProcessedDataset='',merged=True,publish=False):
13		"""
14		"""
16	–	#lfnbase = "/store"
17	–	#if not merged:
18	–	#lfnbase = os.path.join(lfnbase,"tmp")
15		if (PrimaryDataset == 'null'):
16		PrimaryDataset = ProcessedDataset
17	<	# lfnbase = os.path.join(lfnbase, "user", getUserName(LocalUser=LocalUser), PrimaryDataset, ProcessedDataset )
18	<	lfnbase = os.path.join(lfn, getUserName(LocalUser=LocalUser), PrimaryDataset, ProcessedDataset)
19	<
17	>	if PrimaryDataset != '':
18	>	if ( PrimaryDataset[0] == '/' ):  PrimaryDataset=PrimaryDataset[1:]
19	>	if forced_path.find('store/group')>0:
20	>	lfnbase = os.path.join(forced_path, PrimaryDataset, ProcessedDataset)
21	>	else:
22	>	lfnbase = os.path.join(forced_path, getUserName(), PrimaryDataset, ProcessedDataset)
23	>	if (publish == True):
24	>	checkLength(lfnbase, forced_path, PrimaryDataset, ProcessedDataset)
25		return lfnbase
26
27	<	def getUnixUserName():
27	<	"""
28	<	extract username from whoami
27	>	def checkLength(lfnbase, forced_path, PrimaryDataset, ProcessedDataset):
28		"""
30	–	return UnixUserName()
31	–
32	–	def getDN():
29		"""
30	<	extract DN from user proxy's identity
31	<	"""
32	<	try:
33	<	userdn = runCommand("voms-proxy-info -identity")
34	<	userdn = string.strip(userdn)
35	<	#search for a / to avoid picking up warning messages
36	<	userdn = userdn[userdn.find('/'):]
37	<	except:
38	<	msg = "Error. Problem with voms-proxy-info -identity command"
39	<	raise CrabException(msg)
40	<	return userdn.split('\n')[0]
41	<
42	<	def gethnUserNameFromSiteDB():
43	<	"""
44	<	extract user name from SiteDB
45	<	"""
46	<	hnUserName = None
47	<	userdn = getDN()
48	<	mySiteDB = SiteDBJSON()
49	<	try:
50	<	hnUserName = mySiteDB.dnUserName(dn=userdn)
51	<	except:
52	<	msg = "Error. Problem extracting user name from SiteDB"
53	<	msg += "\n Check that you are registered in SiteDB, see https://twiki.cern.ch/twiki/bin/view/CMS/SiteDBForCRAB"
54	<	raise CrabException(msg)
55	<	if not hnUserName:
56	<	msg = "Error. There is no user name associated to DN %s in SiteDB. You need to register in SiteDB with the instructions at https://twiki.cern.ch/twiki/bin/view/CMS/SiteDBForCRAB" % userdn
57	<	print msg
58	<	raise CrabException(msg)
59	<	return hnUserName
60	<
61	<
62	<	def gethnUserName():
63	<	"""
64	<	cache the username extracted from SiteDB for 24hours
69	<	"""
70	<	userconfigFileName="SiteDBusername.conf"
71	<	if not os.path.exists(userconfigFileName):
72	<	common.logger.debug(5,"Downloading from SiteDB username into %s"%userconfigFileName)
73	<	nameuser = gethnUserNameFromSiteDB()
74	<	userfile = open(userconfigFileName, 'w')
75	<	userfile.write(nameuser)
76	<	userfile.close()
77	<	else:
78	<	statinfo = os.stat(userconfigFileName)
79	<	## if the file is older then 24 hours it is re-downloaded to update the configuration
80	<	oldness = 24*3600
81	<	if (time.time() - statinfo.st_ctime) > oldness:
82	<	common.logger.debug(5,"Downloading from SiteDB username into %s"%userconfigFileName)
83	<	nameuser = gethnUserNameFromSiteDB()
84	<	userfile = open(userconfigFileName, 'w')
85	<	userfile.write(nameuser)
86	<	userfile.close()
30	>
31	>	len_primary = len(PrimaryDataset)
32	>
33	>	common.logger.debug("CheckLength of LFN and User DatasetName")
34	>	common.logger.debug("max length for complete LFN is 500 characters, max length for primary dataset is 100 characters")
35	>	common.logger.debug("PrimaryDataset = " + PrimaryDataset)
36	>	common.logger.debug("len_primary = " + str(len_primary))
37	>
38	>	if (len_primary > 100):
39	>	raise CrabException("Warning: you required user_data_publication. The PrimaryDatasetName has to be < 100 characters")
40	>
41	>	if (PrimaryDataset != ProcessedDataset):
42	>	common.logger.debug("ProcessedDataset = " + ProcessedDataset)
43	>	common.logger.debug("len(ProcessedDataset) = " + str(len(ProcessedDataset)))
44	>
45	>	common.logger.debug("forced_path = " + forced_path)
46	>	common.logger.debug("len(forced_path) = " + str(len(forced_path)))
47	>
48	>	user = getUserName()
49	>	len_user_name = len(user)
50	>	common.logger.debug("user = " + user)
51	>	common.logger.debug("len_user_name = " + str(len_user_name))
52	>
53	>	common.logger.debug("lfnbase = " + lfnbase)
54	>	common.logger.debug("len(lfnbase) = " + str(len(lfnbase)))
55	>
56	>	### we suppose a output_file_name of 50 characters ###
57	>	if len(lfnbase)>450:
58	>	if (PrimaryDataset != ProcessedDataset):
59	>	#500 - len_user_name - len_primary - len(forced) - len(PSETHASH = 32) - 4(/) - output(50)
60	>	#~400 - len_user_name - len_primary - len(forced)
61	>	if (len(ProcessedDataset) > (400 - len_user_name - len_primary - len(forced_path))):
62	>	raise CrabException("Warning: publication name too long. USER.publish_data_name has to be < " + str(400 - len_user_name - len_primary - len(forced_path)) + " characters")
63	>	else:
64	>	raise CrabException("Warning: LFN > 500 characters")
65		else:
66	<	userfile = open(userconfigFileName, 'r')
67	<	for line in userfile.readlines():
68	<	nameuser = line
69	<	userfile.close()
70	<	nameuser = string.strip(nameuser)
93	<	return nameuser
94	<
95	<	def getUserName(LocalUser=False):
96	<	"""
97	<	extract user name from either SiteDB or Unix
98	<	"""
99	<	if LocalUser:
100	<	common.logger.debug(10,"Using as username the Unix user name")
101	<	UserName=getUnixUserName()
102	<	return UserName
103	<
104	<	UserName=gethnUserName()
105	<	return UserName
66	>	if (len(ProcessedDataset) > (400 - len_user_name - len(forced_path)) / 2):
67	>	raise CrabException("Warning: publication name too long. USER.publish_data_name has to be < " + str((400 - len_user_name - len(forced_path)) / 2) + " characters")
68	>	else:
69	>	raise CrabException("Warning: LFN > 500 characters")
70	>
71
72		if __name__ == '__main__' :
73		"""
74		"""
75	<	from crab_logger import Logger
76	<	from WorkSpace import *
112	<	continue_dir = os.path.expanduser("~")
113	<	cfg_params={'USER.logdir' : continue_dir }
114	<	common.work_space = WorkSpace(continue_dir, cfg_params)
115	<	log = Logger()
116	<	common.logger = log
75	>	import logging
76	>	common.logger = logging
77
78		print "xx %s xx"%getUserName()
79		baselfn = LFNBase("datasetstring")

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