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

Comparing COMP/CRAB/python/DLSInfo.py (file contents):
Revision 1.2 by afanfani, Tue Nov 8 13:27:55 2005 UTC vs.
Revision 1.40 by belforte, Mon Jan 31 14:20:14 2011 UTC

#	Line 1 | Line 1
1		#!/usr/bin/env python
2		import sys, os, commands,string, re
3	+	import exceptions
4	+	from crab_exceptions import *
5		from crab_util import *
6		import common
7
8	+	import dlsApi
9	+	import dlsClient
10	+	from dlsDataObjects import DlsLocation, DlsFileBlock, DlsEntry
11	+
12		class DLSError:
13	<	def __init__(self, fileblocks):
14	<	print '\nERROR accessing DLS for fileblock '+fileblocks+'\n'
15	<	pass
13	>	def __init__(self, fileblocks):
14	>	print '\nERROR accessing DLS for fileblock '+fileblocks+'\n'
15	>	pass
16	>
17	>
18	>	class DLSNoReplicas(exceptions.Exception):
19	>	def __init__(self, FileBlock):
20	>	self.args ="No replicas exists for fileblock: %s \n"%str(FileBlock)
21	>	exceptions.Exception.__init__(self, self.args)
22	>	pass
23	>
24	>	def getClassName(self):
25	>	""" Return class name. """
26	>	return "%s" % (self.__class__.__name__)
27	>
28	>	def getErrorMessage(self):
29	>	""" Return exception error. """
30	>	return "%s" % (self.args)
31	>
32
33		##############################################################################
34		# Class to extract info from DLS
35		##############################################################################
36
37		class DLSInfo:
38	<	def __init__(self, fileblocks):
39	<	self.fileblocks = fileblocks
40	<	self.DLSclient_ = 'DLSAPI/dls-get-se '
41	<	self.DLSServer_ = 'cmsbogw.bo.infn.it'
38	>	def __init__(self, type, cfg_params):
39	>	self.cfg_params = cfg_params
40	>	self.showCAF = False
41	>	self.showProd = False
42	>	self.subscribed = False
43	>	subscribed =int(self.cfg_params.get('CMSSW.subscribed', 0))
44	>	if subscribed == 1: self.subscribed = True
45	>	showProd = int(self.cfg_params.get('CMSSW.show_prod', 0))
46	>	if showProd == 1: self.showProd = True
47
48	+	phedexURL='https://cmsweb.cern.ch/phedex/datasvc/xml/prod/'
49	+	global_url="http://cmsdbsprod.cern.ch/cms_dbs_prod_global/servlet/DBSServlet"
50	+
51	+	if type=="DLS_TYPE_DBS":
52	+	# use dbs_url as dls_endpoint if dls_type is dbs
53	+	endpoint=self.cfg_params.get('CMSSW.dbs_url', global_url)
54	+	elif type=="DLS_TYPE_PHEDEX":
55	+	endpoint=self.cfg_params.get('CMSSW.dls_phedex_url',phedexURL)
56	+	if self.cfg_params['CRAB.scheduler'].upper() == 'CAF':  self.showCAF = True
57	+	else:
58	+	msg = "DLS type %s not among the supported DLS ( DLS_TYPE_DLI and DLS_TYPE_MYSQL ) "%type
59	+	raise CrabException(msg)
60	+	common.logger.debug("DLS interface: %s Server %s"%(type,endpoint))
61	+	try:
62	+	self.api = dlsClient.getDlsApi(dls_type=type,dls_endpoint=endpoint)
63	+	except dlsApi.DlsApiError, inst:
64	+	msg = "Error when binding the DLS interface: %s  Server %s"%(str(inst),endpoint)
65	+	#print msg
66	+	raise CrabException(msg)
67	+
68	+	def getReplicasBulk(self,fileblocks):
69	+	"""
70	+	query DLS to get replicas
71	+	"""
72	+	##
73	+	try:
74	+	entryList=self.api.getLocations(fileblocks,longList=True,showCAF=self.showCAF,showProd=self.showProd,subscribed=self.subscribed)
75	+	except dlsApi.DlsApiError, inst:
76	+	raise DLSNoReplicas(fileblocks)
77	+	results = {}
78	+	for entry in entryList:
79	+	ListSites=[]
80	+	for loc in entry.locations:
81	+	ListSites.append(str(loc.host))
82	+	if len(ListSites)<=0:
83	+	msg ="No replicas exists for fileblock: %s \n"%str(fileblocks)
84	+	raise CrabException(msg)
85	+	results[entry.fileBlock.name]=ListSites
86	+
87	+	return results
88		# ####################################
89	<	def getReplicas(self):
90	<	"""
91	<	query DLS to get replicas
92	<	"""
93	<	##
94	<	cmd = self.DLSclient_+" --host "+self.DLSServer_+" --datablock "+self.fileblocks
95	<	#print cmd
96	<	sites = runCommand(cmd)
97	<	ListSites=string.split(string.strip(sites),'\n')
98	<	return ListSites
89	>	def getReplicas(self,fileblocks):
90	>	"""
91	>	query DLS to get replicas
92	>	"""
93	>	##
94	>	try:
95	>	entryList=self.api.getLocations([fileblocks],showCAF=self.showCAF,subscribed=self.subscribed)
96	>	except dlsApi.DlsApiError, inst:
97	>	raise DLSNoReplicas(fileblocks)
98	>
99	>	ListSites=[]
100	>	for entry in entryList:
101	>	for loc in entry.locations:
102	>	ListSites.append(str(loc.host))
103	>	if len(ListSites)<=0:
104	>	raise DLSNoReplicas(fileblocks)
105	>
106	>	return ListSites

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