| 1 |
from Actor import *
|
| 2 |
import urllib
|
| 3 |
from xml.dom.minidom import parse
|
| 4 |
from crab_exceptions import *
|
| 5 |
from WorkSpace import *
|
| 6 |
from urlparse import urlparse
|
| 7 |
from LFNBaseName import *
|
| 8 |
|
| 9 |
class PhEDExDatasvcInfo:
|
| 10 |
def __init__( self , cfg_params=None, config=None ):
|
| 11 |
|
| 12 |
## PhEDEx Data Service URL
|
| 13 |
self.datasvc_url="https://cmsweb.cern.ch/phedex/datasvc/xml/prod"
|
| 14 |
|
| 15 |
self.FacOps_savannah = 'https://savannah.cern.ch/support/?func=additem&group=cmscompinfrasup'
|
| 16 |
self.stage_out_faq='https://twiki.cern.ch/twiki/bin/view/CMS/SWGuideCrabHowTo#Stageout_and_publication'
|
| 17 |
self.dataPub_faq = 'https://twiki.cern.ch/twiki/bin/view/CMS/SWGuideCrabForPublication'
|
| 18 |
|
| 19 |
self.usePhedex = True
|
| 20 |
self.sched = common.scheduler.name().upper()
|
| 21 |
|
| 22 |
if config!=None:
|
| 23 |
self.checkConfig(config)
|
| 24 |
else:
|
| 25 |
self.checkCfgConfig(cfg_params)
|
| 26 |
|
| 27 |
self.protocol = self.srm_version
|
| 28 |
|
| 29 |
|
| 30 |
def checkConfig(self,config):
|
| 31 |
"""
|
| 32 |
"""
|
| 33 |
self.srm_version = config.get("srm_version",'srmv2')
|
| 34 |
self.node = config.get('storage_element',None)
|
| 35 |
self.lfn='/store/'
|
| 36 |
|
| 37 |
def checkCfgConfig(self,cfg_params):
|
| 38 |
"""
|
| 39 |
"""
|
| 40 |
self.datasvc_url = cfg_params.get("USER.datasvc_url",self.datasvc_url)
|
| 41 |
self.srm_version = cfg_params.get("USER.srm_version",'srmv2')
|
| 42 |
self.node = cfg_params.get('USER.storage_element',None)
|
| 43 |
|
| 44 |
self.publish_data = cfg_params.get("USER.publish_data",0)
|
| 45 |
self.usenamespace = cfg_params.get("USER.usenamespace",0)
|
| 46 |
self.user_remote_dir = cfg_params.get("USER.user_remote_dir",'')
|
| 47 |
if self.user_remote_dir:
|
| 48 |
if ( self.user_remote_dir[-1] != '/' ) : self.user_remote_dir = self.user_remote_dir + '/'
|
| 49 |
|
| 50 |
self.datasetpath = cfg_params.get("CMSSW.datasetpath")
|
| 51 |
self.publish_data_name = cfg_params.get('USER.publish_data_name','')
|
| 52 |
|
| 53 |
self.user_port = cfg_params.get("USER.storage_port",'8443')
|
| 54 |
self.user_se_path = cfg_params.get("USER.storage_path",'')
|
| 55 |
if self.user_se_path:
|
| 56 |
if ( self.user_se_path[-1] != '/' ) : self.user_se_path = self.user_se_path + '/'
|
| 57 |
|
| 58 |
#check if using "private" Storage
|
| 59 |
if not self.node :
|
| 60 |
msg = 'Please specify the storage_element name in your crab.cfg section [USER].\n'
|
| 61 |
msg +='\tFor further information please visit : %s'%self.stage_out_faq
|
| 62 |
raise CrabException(msg)
|
| 63 |
if (self.node.find('T1_') + self.node.find('T2_')+self.node.find('T3_')) == -3: self.usePhedex = False
|
| 64 |
|
| 65 |
if not self.usePhedex and ( self.user_remote_dir == '' or self.user_se_path == '' ):
|
| 66 |
msg = 'You are asking to stage out without using CMS Storage Name convention. In this case you \n'
|
| 67 |
msg += '\t must specify both user_remote_dir and storage_path in the crab.cfg section [USER].\n '
|
| 68 |
msg += '\t For further information please visit : \n\t%s'%self.stage_out_faq
|
| 69 |
raise CrabException(msg)
|
| 70 |
|
| 71 |
self.forced_path = '/store/user/'
|
| 72 |
if self.sched in ['CAF','LSF','PBS']:
|
| 73 |
self.srm_version = 'direct'
|
| 74 |
self.SE = {'CAF':'caf.cern.ch', 'LSF':'', 'PBS':''}
|
| 75 |
if self.sched == 'CAF': self.forced_path = '/store/caf/user/'
|
| 76 |
|
| 77 |
if not self.usePhedex:
|
| 78 |
self.forced_path = self.user_remote_dir
|
| 79 |
return
|
| 80 |
|
| 81 |
def getEndpoint(self):
|
| 82 |
'''
|
| 83 |
Return full SE endpoint and related infos
|
| 84 |
'''
|
| 85 |
self.lfn = self.getLFN()
|
| 86 |
|
| 87 |
#extract the PFN for the given node,LFN,protocol
|
| 88 |
endpoint = self.getStageoutPFN()
|
| 89 |
if ( endpoint[-1] != '/' ) : endpoint = endpoint + '/'
|
| 90 |
|
| 91 |
#extract SE name an SE_PATH (needed for publication)
|
| 92 |
SE, SE_PATH, User = self.splitEndpoint(endpoint)
|
| 93 |
|
| 94 |
return endpoint, self.lfn , SE, SE_PATH, User
|
| 95 |
|
| 96 |
def splitEndpoint(self, endpoint):
|
| 97 |
'''
|
| 98 |
Return relevant infos from endpoint
|
| 99 |
'''
|
| 100 |
SE = ''
|
| 101 |
SE_PATH = ''
|
| 102 |
USER = ''
|
| 103 |
if self.usePhedex:
|
| 104 |
if self.protocol == 'direct':
|
| 105 |
query=endpoint
|
| 106 |
SE_PATH = endpoint
|
| 107 |
SE = self.SE[self.sched]
|
| 108 |
else:
|
| 109 |
url = 'http://'+endpoint.split('://')[1]
|
| 110 |
# python > 2.4
|
| 111 |
# SE = urlparse(url).hostname
|
| 112 |
scheme, host, path, params, query, fragment = urlparse(url)
|
| 113 |
# SE = host.split(':')[0]
|
| 114 |
SE = self.getAuthoritativeSE()
|
| 115 |
SE_PATH = endpoint.split(host)[1]
|
| 116 |
USER = (query.split('user')[1]).split('/')[1]
|
| 117 |
else:
|
| 118 |
#### to test #####
|
| 119 |
# url = 'http://'+endpoint.split('://')[1]
|
| 120 |
# scheme, host, path, params, query, fragment = urlparse(url)
|
| 121 |
# SE = host.split(':')[0]
|
| 122 |
# SE_PATH = endpoint.split(host)[1]
|
| 123 |
SE = self.node
|
| 124 |
SE_PATH = self.user_se_path + self.user_remote_dir
|
| 125 |
if self.lfn.find('user'):
|
| 126 |
try:
|
| 127 |
USER = (self.lfn.split('user')[1]).split('/')[1]
|
| 128 |
except:
|
| 129 |
pass
|
| 130 |
if self.lfn.find('group'):
|
| 131 |
try:
|
| 132 |
USER = (self.lfn.split('group')[1]).split('/')[1]
|
| 133 |
except:
|
| 134 |
pass
|
| 135 |
return SE, SE_PATH, USER
|
| 136 |
|
| 137 |
|
| 138 |
def getLFN(self):
|
| 139 |
"""
|
| 140 |
define the LFN composing the needed pieces
|
| 141 |
"""
|
| 142 |
lfn = ''
|
| 143 |
l_User = False
|
| 144 |
if not self.usePhedex and (int(self.publish_data) == 0 and int(self.usenamespace) == 0) :
|
| 145 |
### add here check if user is trying to force a wrong LFN using a T2 TODO
|
| 146 |
## check if storage_name is a T2 (siteDB query)
|
| 147 |
## if yes :match self.user_lfn with LFNBaseName...
|
| 148 |
## if NOT : raise (you are using a T2. It's not allowed stage out into self.user_path+self.user_lfn)
|
| 149 |
lfn = self.user_remote_dir
|
| 150 |
return lfn
|
| 151 |
if self.publish_data_name == '' and int(self.publish_data) == 1:
|
| 152 |
msg = "Error. The [USER] section does not have 'publish_data_name'\n"
|
| 153 |
msg += '\tFor further information please visit : \n\t%s'%self.dataPub_faq
|
| 154 |
raise CrabException(msg)
|
| 155 |
if self.publish_data_name == '' and int(self.usenamespace) == 1:
|
| 156 |
self.publish_data_name = "DefaultDataset"
|
| 157 |
if int(self.publish_data) == 1:
|
| 158 |
if self.sched in ['CAF']: l_User=True
|
| 159 |
primaryDataset = self.computePrimaryDataset()
|
| 160 |
### added the case lfn = LFNBase(self.forced_path, primaryDataset, self.publish_data_name, publish=True)
|
| 161 |
### for the publication in order to be able to check the lfn length
|
| 162 |
lfn = LFNBase(self.forced_path, primaryDataset, self.publish_data_name, publish=True) + '/${PSETHASH}/'
|
| 163 |
elif int(self.usenamespace) == 1:
|
| 164 |
if self.sched in ['CAF']: l_User=True
|
| 165 |
primaryDataset = self.computePrimaryDataset()
|
| 166 |
lfn = LFNBase(self.forced_path, primaryDataset, self.publish_data_name) + '/${PSETHASH}/'
|
| 167 |
else:
|
| 168 |
if self.sched in ['CAF','LSF']: l_User=True
|
| 169 |
lfn = LFNBase(self.forced_path,self.user_remote_dir)
|
| 170 |
if ( lfn[-1] != '/' ) : lfn = lfn + '/'
|
| 171 |
return lfn
|
| 172 |
|
| 173 |
def computePrimaryDataset(self):
|
| 174 |
"""
|
| 175 |
compute the last part for the LFN in case of publication
|
| 176 |
"""
|
| 177 |
if (self.datasetpath.upper() != 'NONE'):
|
| 178 |
primarydataset = self.datasetpath.split("/")[1]
|
| 179 |
else:
|
| 180 |
primarydataset = self.publish_data_name
|
| 181 |
return primarydataset
|
| 182 |
|
| 183 |
def domPhedex(self,params,datasvc_baseUrl):
|
| 184 |
"""
|
| 185 |
PhEDEx Data Service lfn2pfn call
|
| 186 |
|
| 187 |
input: params,datasvc_baseUrl
|
| 188 |
returns: DOM object with the content of the PhEDEx Data Service call
|
| 189 |
"""
|
| 190 |
params = urllib.urlencode(params)
|
| 191 |
try:
|
| 192 |
urlresults = urllib.urlopen(datasvc_baseUrl, params)
|
| 193 |
urlresults = parse(urlresults)
|
| 194 |
except IOError:
|
| 195 |
msg="Unable to access PhEDEx Data Service at %s"%datasvc_baseUrl
|
| 196 |
raise CrabException(msg)
|
| 197 |
except:
|
| 198 |
urlresults = None
|
| 199 |
|
| 200 |
return urlresults
|
| 201 |
|
| 202 |
def parse_error(self,urlresults):
|
| 203 |
"""
|
| 204 |
look for errors in the DOM object returned by PhEDEx Data Service call
|
| 205 |
"""
|
| 206 |
errormsg = None
|
| 207 |
errors=urlresults.getElementsByTagName('error')
|
| 208 |
for error in errors:
|
| 209 |
errormsg=error.childNodes[0].data
|
| 210 |
if len(error.childNodes)>1:
|
| 211 |
errormsg+=error.childNodes[1].data
|
| 212 |
return errormsg
|
| 213 |
|
| 214 |
def parse_lfn2pfn(self,urlresults):
|
| 215 |
"""
|
| 216 |
Parse the content of the result of lfn2pfn PhEDEx Data Service call
|
| 217 |
|
| 218 |
input: DOM object with the content of the lfn2pfn call
|
| 219 |
returns: PFN
|
| 220 |
"""
|
| 221 |
result = urlresults.getElementsByTagName('phedex')
|
| 222 |
|
| 223 |
if not result:
|
| 224 |
return []
|
| 225 |
result = result[0]
|
| 226 |
pfn = None
|
| 227 |
mapping = result.getElementsByTagName('mapping')
|
| 228 |
for m in mapping:
|
| 229 |
pfn=m.getAttribute("pfn")
|
| 230 |
if pfn:
|
| 231 |
return pfn
|
| 232 |
|
| 233 |
def getStageoutPFN( self ):
|
| 234 |
"""
|
| 235 |
input: LFN,node name,protocol
|
| 236 |
returns: PFN
|
| 237 |
"""
|
| 238 |
if self.usePhedex:
|
| 239 |
params = {'node' : self.node , 'lfn': self.lfn , 'protocol': self.protocol}
|
| 240 |
datasvc_lfn2pfn="%s/lfn2pfn"%self.datasvc_url
|
| 241 |
fullurl="%s/lfn2pfn?node=%s&lfn=%s&protocol=%s"%(self.datasvc_url,self.node,self.lfn,self.protocol)
|
| 242 |
domlfn2pfn = self.domPhedex(params,datasvc_lfn2pfn)
|
| 243 |
if not domlfn2pfn :
|
| 244 |
msg="Unable to get info from %s"%fullurl
|
| 245 |
raise CrabException(msg)
|
| 246 |
|
| 247 |
errormsg = self.parse_error(domlfn2pfn)
|
| 248 |
if errormsg:
|
| 249 |
msg="Error extracting info from %s due to: %s"%(fullurl,errormsg)
|
| 250 |
raise CrabException(msg)
|
| 251 |
|
| 252 |
stageoutpfn = self.parse_lfn2pfn(domlfn2pfn)
|
| 253 |
if not stageoutpfn:
|
| 254 |
msg ='Unable to get stageout path from TFC at Site %s \n'%self.node
|
| 255 |
msg+=' Please alert the CompInfraSup group through their savannah %s \n'%self.FacOps_savannah
|
| 256 |
msg+=' reporting: \n'
|
| 257 |
msg+=' Summary: Unable to get user stageout from TFC at Site %s \n'%self.node
|
| 258 |
msg+=' OriginalSubmission: stageout path is not retrieved from %s \n'%fullurl
|
| 259 |
raise CrabException(msg)
|
| 260 |
else:
|
| 261 |
if self.sched in ['CAF','LSF','PBS'] :
|
| 262 |
stageoutpfn = self.user_se_path+self.lfn
|
| 263 |
else:
|
| 264 |
stageoutpfn = 'srm://'+self.node+':'+self.user_port+self.user_se_path+self.lfn
|
| 265 |
|
| 266 |
if ( stageoutpfn[-1] != '/' ) : stageoutpfn = stageoutpfn + '/'
|
| 267 |
return stageoutpfn
|
| 268 |
|
| 269 |
def getAuthoritativeSE(self):
|
| 270 |
"""
|
| 271 |
input: node name
|
| 272 |
returns: AuthoritativeSE
|
| 273 |
"""
|
| 274 |
params = {'node' : self.node }
|
| 275 |
datasvc_nodes="%s/nodes"%self.datasvc_url
|
| 276 |
fullurl="%s/nodes/?node=%s"%(self.datasvc_url,self.node)
|
| 277 |
domnodes = self.domPhedex(params,datasvc_nodes)
|
| 278 |
|
| 279 |
if not domnodes :
|
| 280 |
msg="Unable to get info from %s"%fullurl
|
| 281 |
raise CrabException(msg)
|
| 282 |
|
| 283 |
errormsg = self.parse_error(domnodes)
|
| 284 |
if errormsg:
|
| 285 |
msg="Error extracting info from %s due to: %s"%(fullurl,errormsg)
|
| 286 |
raise CrabException(msg)
|
| 287 |
result = domnodes.getElementsByTagName('phedex')
|
| 288 |
if not result:
|
| 289 |
return []
|
| 290 |
result = result[0]
|
| 291 |
se = None
|
| 292 |
node = result.getElementsByTagName('node')
|
| 293 |
for m in node:
|
| 294 |
se=m.getAttribute("se")
|
| 295 |
if se:
|
| 296 |
return se
|
| 297 |
|
| 298 |
|
| 299 |
if __name__ == '__main__':
|
| 300 |
"""
|
| 301 |
Sort of unit testing to check Phedex API for whatever site and/or lfn.
|
| 302 |
Usage:
|
| 303 |
python PhEDExDatasvcInfo.py --node T2_IT_Bari --lfn /store/maremma
|
| 304 |
|
| 305 |
"""
|
| 306 |
import getopt,sys
|
| 307 |
from crab_util import *
|
| 308 |
import common
|
| 309 |
klass_name = 'SchedulerGlite'
|
| 310 |
klass = importName(klass_name, klass_name)
|
| 311 |
common.scheduler = klass()
|
| 312 |
|
| 313 |
lfn="/store/user/"
|
| 314 |
node='T2_IT_Bari'
|
| 315 |
valid = ['node=','lfn=']
|
| 316 |
try:
|
| 317 |
opts, args = getopt.getopt(sys.argv[1:], "", valid)
|
| 318 |
except getopt.GetoptError, ex:
|
| 319 |
print str(ex)
|
| 320 |
sys.exit(1)
|
| 321 |
for o, a in opts:
|
| 322 |
if o == "--node":
|
| 323 |
node = a
|
| 324 |
if o == "--lfn":
|
| 325 |
lfn = a
|
| 326 |
|
| 327 |
mycfg_params = { 'USER.storage_element': node }
|
| 328 |
dsvc = PhEDExDatasvcInfo(mycfg_params)
|
| 329 |
dsvc.lfn = lfn
|
| 330 |
print dsvc.getStageoutPFN()
|
| 331 |
|
