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#---------------------------------------------------------------------------------------------------
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# Python Module File to translate storage/computing elements into meta site names
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#
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# Author: C.Paus (Jun 16, 2010)
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#---------------------------------------------------------------------------------------------------
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import os,sys,re,string
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#---------------------------------------------------------------------------------------------------
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"""
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Class: Translator(table)
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Each SubTask in CRAB can be described through this class
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"""
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#---------------------------------------------------------------------------------------------------
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class Translator:
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"Translator for the storage and computing elements to the "
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# variable to be determined
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ceTable = 'undefined' # compute elements translation table
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seTable = 'undefined' # storage elements translation table
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allSites = 'undefined' # comma separated list of all sites
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preferredSites = 'undefined' # comma separated list of preferred sites
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ces = {}
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ses = {}
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#-----------------------------------------------------------------------------------------------
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# constructor to connect with existing setup
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#-----------------------------------------------------------------------------------------------
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def __init__(self,ceTable,seTable):
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self.ceTable = ceTable
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self.seTable = seTable
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if os.path.exists(self.seTable):
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self.ses = self.readTable(self.seTable)
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else:
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print ' WARNING -- SE table file not found.'
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if os.path.exists(self.ceTable):
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self.ces = self.readTable(self.ceTable)
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else:
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print ' WARNING -- CE table file not found.'
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#self.show()
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def readTable(self,file):
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table = {}
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cmd = 'grep -v ^# ' + file + ' | tr -d \' \''
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print ' Loading table: ' + cmd
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for line in os.popen(cmd).readlines():
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line = line[:-1]
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# decode the storage directory name
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names = line.split(":")
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if names[1] in table:
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print ' Site already in tables %s (%s)'%(names[1],names[0])
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table[names[1]] = names[0]
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return table
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def translateSes(self,seString):
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print ' translating SE sites: ' + seString
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sites = seString.split(",")
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newString = ''
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#print ' Looping through sites %s'%(seString)
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for site in sites:
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if site in self.ses:
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#print ' -> %s == %s'%(site,self.ses[site])
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if newString == '':
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newString = self.ses[site]
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else:
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newString = "%s,%s"%(newString,self.ses[site])
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else:
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print ' dropping %s because it is not in our table'%(site)
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#print 'Translated: %s'%(newString)
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self.allSites = newString
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return newString
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def translateCes(self,ceString):
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print ' translating CE sites: ' + ceString
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sites = ceString.split(",")
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newString = ''
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#print ' Looping through sites %s'%(ceString)
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for site in sites:
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if site in self.ces:
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#print ' -> %s == %s'%(site,self.ces[site])
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if newString == '':
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newString = self.ces[site]
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else:
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newString = "%s,%s"%(newString,self.ces[site])
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else:
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print ' dropping %s because it is not in our table'%(site)
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#print 'Translated: %s'%(newString)
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self.allSites = newString
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return newString
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def selectPreferred(self):
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preferredSiteList = ['T2_US_MIT','T2_US_UCSD']
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self.preferredSites = ''
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for site in preferredSiteList:
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if re.search(site,self.allSites):
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if self.preferredSites != '':
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self.preferredSites = self.preferredSites + ','
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self.preferredSites = self.preferredSites + site
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if self.preferredSites != '':
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print ' '
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print ' ' + self.allSites
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print ' INFO -- ' + self.preferredSites + ' found a preferred site (reducing).'
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print ' '
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else:
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#print ' '
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#print ' INFO -- no preferred site in the list. Keeping all sites.'
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#print ' '
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self.preferredSites = self.allSites
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return self.preferredSites
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#-----------------------------------------------------------------------------------------------
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# present the current crab subtask
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#-----------------------------------------------------------------------------------------------
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def show(self):
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print ' Translator (CE Table: %s, SE Table: %s) ===='%(self.ceTable,self.seTable)
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print ' ==== Compute Elements'
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for name,hostname in self.ces.iteritems():
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print ' Site: %s --> CE: %s'%(name,hostname)
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print ' ==== Storage Elements'
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for name,hostname in self.ses.iteritems():
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print ' Site: %s --> SE: %s'%(name,hostname)
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