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root/cvsroot/COMP/CRAB/python/DLSInfo.py
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Comparing COMP/CRAB/python/DLSInfo.py (file contents):
Revision 1.5 by slacapra, Tue Mar 28 11:25:39 2006 UTC vs.
Revision 1.31.2.1 by spiga, Tue Sep 22 22:03:55 2009 UTC

# Line 5 | Line 5 | 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'
# Line 13 | Line 17 | class DLSError:
17  
18   class DLSNoReplicas(exceptions.Exception):
19      def __init__(self, FileBlock):
20 <        args ="No replicas exists for fileblock: "+FileBlock+"\n"
21 <        exceptions.Exception.__init__(self, args)
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):
# Line 25 | Line 29 | class DLSNoReplicas(exceptions.Exception
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_ = 'dls-get-se '
41 <        self.DLSServer_ = 'lxgate10.cern.ch'
42 <        self.DLSServerPort_ = '18081'
43 <        #self.DLSServerPort_ = '18080
44 <
45 <        out=commands.getstatusoutput('which '+self.DLSclient_)
46 <        if out[0]>0:
47 <            msg="ERROR no DLS CLI available in $PATH : %s"%self.DLSclient_
38 >    def __init__(self, type, cfg_params):
39 >        self.cfg_params = cfg_params
40 >        self.showCAF = False
41 >        self.showProd = False
42 >        subscribed =int(self.cfg_params.get('CMSSW.subscribed', 0))  
43 >        if subscribed == 1: self.subscribed = True
44 >        showProd = int(self.cfg_params.get('CMSSW.show_prod', 0))
45 >        if showProd == 1: self.showProd = True
46 >
47 >        phedexURL='http://cmsweb.cern.ch/phedex/datasvc/xml/prod/'
48 >        global_url="http://cmsdbsprod.cern.ch/cms_dbs_prod_global/servlet/DBSServlet"
49 >        caf_url = "http://cmsdbsprod.cern.ch/cms_dbs_caf_analysis_01/servlet/DBSServlet"
50 >        dbs_url_map  =   {'glite':    global_url,
51 >                          'glitecoll':global_url,\
52 >                          'condor':   global_url,\
53 >                          'condor_g': global_url,\
54 >                          'glidein':  global_url,\
55 >                          'lsf':      global_url,\
56 >                          'caf':      caf_url,\
57 >                          'sge':      global_url,
58 >                          'arc':      global_url
59 >                          }
60 >        dbs_url_default = dbs_url_map[(common.scheduler.name()).lower()]
61 >
62 >        if type=="DLS_TYPE_DBS":
63 >            # use dbs_url as dls_endpoint if dls_type is dbs
64 >            endpoint=self.cfg_params.get('CMSSW.dbs_url', dbs_url_default)
65 >        elif type=="DLS_TYPE_PHEDEX":
66 >            endpoint=self.cfg_params.get('CMSSW.dls_phedex_url',phedexURL)
67 >            if self.cfg_params['CRAB.scheduler'].upper() == 'CAF':  self.showCAF = True
68 >        else:
69 >            msg = "DLS type %s not among the supported DLS ( DLS_TYPE_DLI and DLS_TYPE_MYSQL ) "%type
70              raise CrabException(msg)
71 +        common.logger.debug("DLS interface: %s Server %s"%(type,endpoint))      
72 +        try:
73 +            self.api = dlsClient.getDlsApi(dls_type=type,dls_endpoint=endpoint)
74 +        except dlsApi.DlsApiError, inst:
75 +            msg = "Error when binding the DLS interface: %s  Server %s"%(str(inst),endpoint)
76 +            #print msg
77 +            raise CrabException(msg)
78 +
79 +    def getReplicasBulk(self,fileblocks):
80 +        """
81 +        query DLS to get replicas
82 +        """              
83 +        ##
84 +        try:
85 +            entryList=self.api.getLocations(fileblocks,longList=True,showCAF=self.showCAF,showProd=self.showProd,subscribed=self.subscribed)
86 +        except dlsApi.DlsApiError, inst:
87 +            raise DLSNoReplicas(fileblocks)
88 +        results = {}
89 +        for entry in entryList:
90 +            ListSites=[]
91 +            for loc in entry.locations:
92 +                ListSites.append(str(loc.host))
93 +            if len(ListSites)<=0:
94 +                msg ="No replicas exists for fileblock: %s \n"%str(fileblocks)
95 +                raise CrabException(msg)
96 +            results[entry.fileBlock.name]=ListSites
97  
98 +        return results        
99   # ####################################
100 <    def getReplicas(self):
100 >    def getReplicas(self,fileblocks):
101          """
102          query DLS to get replicas
103          """
104          ##
105 <        cmd = self.DLSclient_+" --port "+self.DLSServerPort_+" --host "+self.DLSServer_+" --datablock "+self.fileblocks
106 <        #print cmd
107 <        sites = runCommand(cmd)
108 <        sites=string.strip(sites)
109 <        if len(sites)<=0:
110 <            raise DLSNoReplicas(self.fileblocks)
105 >        try:
106 >            entryList=self.api.getLocations([fileblocks],showCAF=self.showCAF,subscribed=self.subscribed)
107 >        except dlsApi.DlsApiError, inst:
108 >            raise DLSNoReplicas(fileblocks)
109 >
110 >        ListSites=[]
111 >        for entry in entryList:
112 >            for loc in entry.locations:
113 >                ListSites.append(str(loc.host))
114 >        if len(ListSites)<=0:
115 >            raise DLSNoReplicas(fileblocks)
116  
58        ListSites=string.split(string.strip(sites),'\n')
117          return ListSites        

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