CRAB/python/DLSInfo.py

#!/usr/bin/env python
import sys, os, commands,string, re
import exceptions
from crab_exceptions import *
from crab_util import *
import common

import dlsApi
import dlsClient
from dlsDataObjects import DlsLocation, DlsFileBlock, DlsEntry
                                                                                            
class DLSError:
    def __init__(self, fileblocks):
        print '\nERROR accessing DLS for fileblock '+fileblocks+'\n'
        pass


class DLSNoReplicas(exceptions.Exception):
    def __init__(self, FileBlock):
        self.args ="No replicas exists for fileblock: %s \n"%str(FileBlock)
        exceptions.Exception.__init__(self, self.args)
        pass

    def getClassName(self):
        """ Return class name. """
        return "%s" % (self.__class__.__name__)

    def getErrorMessage(self):
        """ Return exception error. """
        return "%s" % (self.args)


##############################################################################
# Class to extract info from DLS 
##############################################################################

class DLSInfo:
    def __init__(self, type, cfg_params):
        self.cfg_params = cfg_params
        self.showCAF = False
        self.showProd = False
        self.subscribed = False    
        subscribed =int(self.cfg_params.get('CMSSW.subscribed', 0))  
        if subscribed == 1: self.subscribed = True
        showProd = int(self.cfg_params.get('CMSSW.show_prod', 0)) 
        if showProd == 1: self.showProd = True

        phedexURL='http://cmsweb.cern.ch/phedex/datasvc/xml/prod/'
        global_url="http://cmsdbsprod.cern.ch/cms_dbs_prod_global/servlet/DBSServlet"

        if type=="DLS_TYPE_DBS":
            # use dbs_url as dls_endpoint if dls_type is dbs
            endpoint=self.cfg_params.get('CMSSW.dbs_url', global_url) 
        elif type=="DLS_TYPE_PHEDEX":
            endpoint=self.cfg_params.get('CMSSW.dls_phedex_url',phedexURL)
            if self.cfg_params['CRAB.scheduler'].upper() == 'CAF':  self.showCAF = True
        else:
            msg = "DLS type %s not among the supported DLS ( DLS_TYPE_DLI and DLS_TYPE_MYSQL ) "%type
            raise CrabException(msg)
        common.logger.debug("DLS interface: %s Server %s"%(type,endpoint))       
        try:
            self.api = dlsClient.getDlsApi(dls_type=type,dls_endpoint=endpoint)
        except dlsApi.DlsApiError, inst:
            msg = "Error when binding the DLS interface: %s  Server %s"%(str(inst),endpoint)
            #print msg
            raise CrabException(msg)

    def getReplicasBulk(self,fileblocks):
        """
        query DLS to get replicas
        """               
        ##
        try:
            entryList=self.api.getLocations(fileblocks,longList=True,showCAF=self.showCAF,showProd=self.showProd,subscribed=self.subscribed)
        except dlsApi.DlsApiError, inst:
            raise DLSNoReplicas(fileblocks)
        results = {} 
        for entry in entryList: 
            ListSites=[] 
            for loc in entry.locations:
                ListSites.append(str(loc.host))
            if len(ListSites)<=0:
                msg ="No replicas exists for fileblock: %s \n"%str(fileblocks)
                raise CrabException(msg)
            results[entry.fileBlock.name]=ListSites

        return results         
# ####################################
    def getReplicas(self,fileblocks):
        """
        query DLS to get replicas
        """
        ##
        try:
            entryList=self.api.getLocations([fileblocks],showCAF=self.showCAF,subscribed=self.subscribed)
        except dlsApi.DlsApiError, inst:
            raise DLSNoReplicas(fileblocks)

        ListSites=[] 
        for entry in entryList:
            for loc in entry.locations:
                ListSites.append(str(loc.host))
        if len(ListSites)<=0:
            raise DLSNoReplicas(fileblocks)

        return ListSites         
Revision:	1.37
Committed:	Tue May 4 15:42:36 2010 UTC (14 years, 11 months ago) by spiga
Content type:	text/x-python
Branch:	MAIN
CVS Tags:	CRAB_2_7_4_patch1, CRAB_2_7_4, CRAB_2_7_4_pre6, CRAB_2_7_4_pre5, CRAB_2_7_4_pre4, CRAB_2_7_4_pre3, CRAB_2_7_4_pre2, CRAB_2_7_4_pre1, CRAB_2_7_3, CRAB_2_7_3_pre3, CRAB_2_7_3_pre3_beta, CRAB_2_7_3_pre2, CRAB_2_7_3_pre2_beta, CRAB_2_7_3_pre1, CRAB_2_7_3_beta3, CRAB_2_7_3_beta2, CRAB_2_7_3_beta1, CRAB_2_7_3_beta
Changes since 1.36:	+1 -13 lines
Log Message:	merge 2.7.1_branch
#	User	Rev	Content
1	afanfani	1.1	#!/usr/bin/env python
2			import sys, os, commands,string, re
3	afanfani	1.4	import exceptions
4			from crab_exceptions import *
5	afanfani	1.1	from crab_util import *
6			import common
7
8	slacapra	1.14	import dlsApi
9			import dlsClient
10			from dlsDataObjects import DlsLocation, DlsFileBlock, DlsEntry
11	afanfani	1.7
12	afanfani	1.1	class DLSError:
13	slacapra	1.5	def __init__(self, fileblocks):
14			print '\nERROR accessing DLS for fileblock '+fileblocks+'\n'
15			pass
16	afanfani	1.1
17	afanfani	1.4
18			class DLSNoReplicas(exceptions.Exception):
19	slacapra	1.5	def __init__(self, FileBlock):
20	spiga	1.26	self.args ="No replicas exists for fileblock: %s \n"%str(FileBlock)
21	slacapra	1.14	exceptions.Exception.__init__(self, self.args)
22	slacapra	1.5	pass
23
24			def getClassName(self):
25			""" Return class name. """
26			return "%s" % (self.__class__.__name__)
27
28			def getErrorMessage(self):
29			""" Return exception error. """
30			return "%s" % (self.args)
31	afanfani	1.4
32	afanfani	1.6
33	afanfani	1.1	##############################################################################
34			# Class to extract info from DLS
35			##############################################################################
36
37			class DLSInfo:
38	mkirn	1.11	def __init__(self, type, cfg_params):
39			self.cfg_params = cfg_params
40	spiga	1.23	self.showCAF = False
41	spiga	1.29	self.showProd = False
42	spiga	1.33	self.subscribed = False
43	spiga	1.32	subscribed =int(self.cfg_params.get('CMSSW.subscribed', 0))
44			if subscribed == 1: self.subscribed = True
45	spiga	1.29	showProd = int(self.cfg_params.get('CMSSW.show_prod', 0))
46			if showProd == 1: self.showProd = True
47	spiga	1.28
48	spiga	1.25	phedexURL='http://cmsweb.cern.ch/phedex/datasvc/xml/prod/'
49			global_url="http://cmsdbsprod.cern.ch/cms_dbs_prod_global/servlet/DBSServlet"
50
51	slacapra	1.18	if type=="DLS_TYPE_DBS":
52	gutsche	1.17	# use dbs_url as dls_endpoint if dls_type is dbs
53	spiga	1.37	endpoint=self.cfg_params.get('CMSSW.dbs_url', global_url)
54	spiga	1.21	elif type=="DLS_TYPE_PHEDEX":
55	spiga	1.25	endpoint=self.cfg_params.get('CMSSW.dls_phedex_url',phedexURL)
56	spiga	1.23	if self.cfg_params['CRAB.scheduler'].upper() == 'CAF': self.showCAF = True
57	afanfani	1.6	else:
58	gutsche	1.10	msg = "DLS type %s not among the supported DLS ( DLS_TYPE_DLI and DLS_TYPE_MYSQL ) "%type
59			raise CrabException(msg)
60	spiga	1.31	common.logger.debug("DLS interface: %s Server %s"%(type,endpoint))
61	afanfani	1.6	try:
62	gutsche	1.10	self.api = dlsClient.getDlsApi(dls_type=type,dls_endpoint=endpoint)
63	afanfani	1.6	except dlsApi.DlsApiError, inst:
64	slacapra	1.14	msg = "Error when binding the DLS interface: %s Server %s"%(str(inst),endpoint)
65	gutsche	1.10	#print msg
66			raise CrabException(msg)
67	spiga	1.24
68			def getReplicasBulk(self,fileblocks):
69			"""
70	slacapra	1.27	query DLS to get replicas
71	spiga	1.26	"""
72	spiga	1.24	##
73			try:
74	spiga	1.32	entryList=self.api.getLocations(fileblocks,longList=True,showCAF=self.showCAF,showProd=self.showProd,subscribed=self.subscribed)
75	spiga	1.24	except dlsApi.DlsApiError, inst:
76			raise DLSNoReplicas(fileblocks)
77			results = {}
78			for entry in entryList:
79			ListSites=[]
80			for loc in entry.locations:
81			ListSites.append(str(loc.host))
82			if len(ListSites)<=0:
83	spiga	1.26	msg ="No replicas exists for fileblock: %s \n"%str(fileblocks)
84			raise CrabException(msg)
85	spiga	1.24	results[entry.fileBlock.name]=ListSites
86
87			return results
88	afanfani	1.1	# ####################################
89	afanfani	1.6	def getReplicas(self,fileblocks):
90	slacapra	1.5	"""
91			query DLS to get replicas
92			"""
93			##
94	afanfani	1.6	try:
95	spiga	1.32	entryList=self.api.getLocations([fileblocks],showCAF=self.showCAF,subscribed=self.subscribed)
96	afanfani	1.6	except dlsApi.DlsApiError, inst:
97	gutsche	1.10	raise DLSNoReplicas(fileblocks)
98	afanfani	1.6
99			ListSites=[]
100			for entry in entryList:
101	gutsche	1.10	for loc in entry.locations:
102			ListSites.append(str(loc.host))
103	afanfani	1.6	if len(ListSites)<=0:
104	gutsche	1.10	raise DLSNoReplicas(fileblocks)
105	afanfani	1.4
106	slacapra	1.5	return ListSites