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from crab_exceptions import * |
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from crab_util import * |
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import common |
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import urllib |
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from Downloader import Downloader |
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import os, time |
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class ServerConfig: |
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serverName = string.lower(serverName) |
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common.logger.debug('Calling ServerConfig '+serverName) |
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self.url ='http://cmsdoc.cern.ch/cms/LCG/crab/config/' |
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# self.url ='https://cmsweb.cern.ch/crabconf/' |
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url ='http://cmsdoc.cern.ch/cms/LCG/crab/config/' |
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downloader = Downloader(url, os.getcwd()) |
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# self.url ='http://www.pd.infn.it/~lacaprar/Computing/' |
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def config(self): |
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""" |
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""" |
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if 'default' in serverName: |
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common.logger.debug('getting serverlist from web') |
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# get a list of available servers |
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serverListFileName ='AvalableServerList' |
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serverListFile = self.getConfig_(serverListFileName) |
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# parse the localCfg file |
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f = open(serverListFile, 'r') |
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tmp = f.readlines() |
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f.close() |
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if not tmp: |
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msg = 'List of avalable Server '+serverListFileName+' from '+self.url+' is empty\n' |
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msg += 'Please report to CRAB feedback hypernews hn-cms-crabFeedback@cern.ch' |
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raise CrabException(msg) |
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# clean up empty lines and comments |
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serverList=[] |
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[serverList.append(string.split(string.strip(it))) for it in tmp if (it.strip() and not it.strip()[0]=="#")] |
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common.logger.debug('All avaialble servers: '+str(serverList)) |
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|
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# select servers from client version |
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compatibleServerList=[] |
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for s in serverList: |
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vv=string.split(s[1],'-') |
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if len(vv[0])==0: vv[0]='0.0.0' |
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if len(vv[1])==0: vv[1]='99.99.99' |
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for i in 0,1: |
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tmp=[] |
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[tmp.append(int(t)) for t in vv[i].split('.')] |
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vv[i]=tuple(tmp) |
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if vv[0]<=common.prog_version and common.prog_version<=vv[1] and common.scheduler.name()==string.lower(s[2]): |
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compatibleServerList.append(s[0]) |
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common.logger.debug('All avaialble servers compatible with %s: '%common.prog_version_str +str(serverList)) |
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if len(compatibleServerList)==0: |
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msg = "No compatible server available with client version %s\n"%common.prog_version_str |
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msg += "Exiting" |
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raise CrabException(msg) |
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# if more than one, pick up a random one, waiting for something smarter (SiteDB) |
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import random |
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serverName = random.choice(compatibleServerList) |
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common.logger.debug('Avaialble servers: '+str(compatibleServerList)+' choosen: '+serverName) |
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serverName = self.selectServer() |
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if 'server_' in serverName: |
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configFileName = '%s.conf'%serverName |
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else: |
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configFileName = 'server_%s.conf'%serverName |
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localCfg = self.getConfig_(configFileName) |
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serverConfig = downloader.config(configFileName) |
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if not serverConfig: |
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serverConfig = {} |
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serverConfig['serverGenericName']=serverName |
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return serveConfig |
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def selectServer(self): |
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""" |
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""" |
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common.logger.debug('getting serverlist from web') |
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# get a list of available servers |
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serverListFileName ='AvalableServerList' |
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## downloader |
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serverListFile = downloader.config(serverListFileName) |
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if not serverListFile: |
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msg = 'List of avalable Server '+serverListFileName+' from '+self.url+' is empty\n' |
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msg += 'Please report to CRAB feedback hypernews hn-cms-crabFeedback@cern.ch' |
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raise CrabException(msg) |
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# clean up empty lines and comments |
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serverList=[] |
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[serverList.append(string.split(string.strip(it))) for it in serverListFile if (it.strip() and not it.strip()[0]=="#")] |
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common.logger.debug('All avaialble servers: '+str(serverList)) |
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|
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# select servers from client version |
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compatibleServerList=[] |
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for s in serverList: |
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vv=string.split(s[1],'-') |
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if len(vv[0])==0: vv[0]='0.0.0' |
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if len(vv[1])==0: vv[1]='99.99.99' |
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for i in 0,1: |
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tmp=[] |
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[tmp.append(int(t)) for t in vv[i].split('.')] |
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vv[i]=tuple(tmp) |
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|
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if vv[0]<=common.prog_version and common.prog_version<=vv[1] and common.scheduler.name()==string.lower(s[2]): |
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compatibleServerList.append(s[0]) |
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|
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common.logger.debug('All avaialble servers compatible with %s: '%common.prog_version_str +str(serverList)) |
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if len(compatibleServerList)==0: |
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msg = "No compatible server available with client version %s\n"%common.prog_version_str |
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msg += "Exiting" |
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raise CrabException(msg) |
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|
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# if more than one, pick up a random one, waiting for something smarter (SiteDB) |
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import random |
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serverName = random.choice(compatibleServerList) |
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common.logger.debug('Avaialble servers: '+str(compatibleServerList)+' choosen: '+serverName) |
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# parse the localCfg file |
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f = open(localCfg, 'r') |
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l = ''.join( f.readlines() ) |
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f.close() |
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if not l: |
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l = str('{}') |
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self.theConfig = eval(l) |
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self.theConfig['serverGenericName']=serverName |
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pass |
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def config(self): |
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return self.theConfig |
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def downloadFile(self, url, destination): |
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try: |
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f = urllib.urlopen(url) |
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data = f.read() |
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if '<!' in data[:2]: |
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raise IOError |
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ff = open(destination, 'w') |
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ff.write(data) |
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ff.close() |
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except IOError: |
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raise CrabException('Cannot download config file '+destination+' from '+self.url) |
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def getConfig_(self, configFileName): |
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url = self.url+configFileName |
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if not os.path.exists(configFileName): |
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common.logger.info('Downloading config files for '+url) |
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self.downloadFile( url, configFileName) |
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else: |
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statinfo = os.stat(configFileName) |
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## if the file is older then 12 hours it is re-downloaded to update the configuration |
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oldness = 12*3600 |
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if (time.time() - statinfo.st_ctime) > oldness: |
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common.logger.info('Downloading config files for '+url) |
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self.downloadFile( url, configFileName) |
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pass |
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return os.getcwd()+'/'+configFileName |
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return serverName |
