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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 1.27 by slacapra, Tue Dec 16 12:32:36 2008 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 >
42 >        phedexURL='http://cmsweb.cern.ch/phedex/datasvc/xml/prod/'
43 >        global_url="http://cmsdbsprod.cern.ch/cms_dbs_prod_global/servlet/DBSServlet"
44 >        caf_url = "http://cmsdbsprod.cern.ch/cms_dbs_caf_analysis_01/servlet/DBSServlet"
45 >        dbs_url_map  =   {'glite':    global_url,
46 >                          'glitecoll':global_url,\
47 >                          'condor':   global_url,\
48 >                          'condor_g': global_url,\
49 >                          'glidein':  global_url,\
50 >                          'lsf':      global_url,\
51 >                          'caf':      caf_url,\
52 >                          'sge':      global_url
53 >                          }
54 >        dbs_url_default = dbs_url_map[(common.scheduler.name()).lower()]
55 >
56 >        if type=="DLS_TYPE_DBS":
57 >            # use dbs_url as dls_endpoint if dls_type is dbs
58 >            endpoint=self.cfg_params.get('CMSSW.dbs_url', dbs_url_default)
59 >        elif type=="DLS_TYPE_PHEDEX":
60 >            endpoint=self.cfg_params.get('CMSSW.dls_phedex_url',phedexURL)
61 >            if self.cfg_params['CRAB.scheduler'].upper() == 'CAF':  self.showCAF = True
62 >        else:
63 >            msg = "DLS type %s not among the supported DLS ( DLS_TYPE_DLI and DLS_TYPE_MYSQL ) "%type
64              raise CrabException(msg)
65 +        common.logger.debug(5,"DLS interface: %s Server %s"%(type,endpoint))      
66 +        try:
67 +            self.api = dlsClient.getDlsApi(dls_type=type,dls_endpoint=endpoint)
68 +        except dlsApi.DlsApiError, inst:
69 +            msg = "Error when binding the DLS interface: %s  Server %s"%(str(inst),endpoint)
70 +            #print msg
71 +            raise CrabException(msg)
72 +
73 +
74 +    def getReplicasBulk(self,fileblocks):
75 +        """
76 +        query DLS to get replicas
77 +        """              
78 +        ##
79 +        try:
80 +            entryList=self.api.getLocations(fileblocks,longList=True,showCAF=self.showCAF)
81 +        except dlsApi.DlsApiError, inst:
82 +            raise DLSNoReplicas(fileblocks)
83 +        results = {}
84 +        for entry in entryList:
85 +            ListSites=[]
86 +            for loc in entry.locations:
87 +                ListSites.append(str(loc.host))
88 +            if len(ListSites)<=0:
89 +                msg ="No replicas exists for fileblock: %s \n"%str(fileblocks)
90 +                raise CrabException(msg)
91 +            results[entry.fileBlock.name]=ListSites
92  
93 +        return results        
94   # ####################################
95 <    def getReplicas(self):
95 >    def getReplicas(self,fileblocks):
96          """
97          query DLS to get replicas
98          """
99          ##
100 <        cmd = self.DLSclient_+" --port "+self.DLSServerPort_+" --host "+self.DLSServer_+" --datablock "+self.fileblocks
101 <        #print cmd
102 <        sites = runCommand(cmd)
103 <        sites=string.strip(sites)
104 <        if len(sites)<=0:
105 <            raise DLSNoReplicas(self.fileblocks)
100 >        try:
101 >            entryList=self.api.getLocations([fileblocks],showCAF=self.showCAF)
102 >        except dlsApi.DlsApiError, inst:
103 >            raise DLSNoReplicas(fileblocks)
104 >
105 >        ListSites=[]
106 >        for entry in entryList:
107 >            for loc in entry.locations:
108 >                ListSites.append(str(loc.host))
109 >        if len(ListSites)<=0:
110 >            raise DLSNoReplicas(fileblocks)
111  
58        ListSites=string.split(string.strip(sites),'\n')
112          return ListSites        

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