CondDB.py

Go to the documentation of this file.

# Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
 
# CondDB.py
# Configuration for Athena conditions DB access
# usage:
#   from IOVDbSvc.CondDB import conddb
# then add folders with
#   conddb.addFolder('INDET','/Indet/Align')
#   conddb.addFolder('INDET,'/Indet/Align <tag>my_explicit_tag</tag>') or
#   conddb.addFolderWithTag('INDET','/Indet/Align','my_explicit_tag')
#   conddb.addFolderSplitOnline('INDET','/Indet/OnlineF','/Indet/OfflineF')
#   conddb.addFolderSplitMC('INDET','/Indet/DataFolder','/Indet/MCFolder')
# override a tag with
#   conddb.addOverride('/Indet/Align','override_tag_value')
# block a folder from being added later
#   conddb.blockFolder('/Indet/Align')
# add a folder even though blocked
#   conddb.addFolder('INDET','/Indet/Align',True)
#   conddb.addFolderWithTag('INDET','/Indet/Align','my_explicit_tag',True)
# add markup (additional XML) to existing folder specifications
#   conddb.addMarkup('/Indet/Align','<channelSelection>1:3</channelSelection>')
#
# If the className argument is provided to addFolder, then also register
# with CondInputLoader.
 
import os
 
from AthenaCommon.AppMgr import ServiceMgr as svcMgr
from IOVSvc.IOVSvcConf import CondSvc
from IOVSvc.IOVSvcConf import CondInputLoader
from AthenaServices.AthenaServicesConf import Athena__ConditionsCleanerSvc
from AthenaServices.AthenaServicesConf import Athena__DelayedConditionsCleanerSvc
from AthenaCommon.AlgSequence import AthSequencer
from AthenaCommon.ConcurrencyFlags import jobproperties as jp
 
 
svcMgr += CondSvc()
 
condSeq = AthSequencer("AthCondSeq")
if not hasattr(condSeq, "CondInputLoader"):
    condInputLoader = CondInputLoader( "CondInputLoader")
    # We always want CondInputLoader to be first in the condSeq
    # for serial running
    condSeq.insert(0, condInputLoader)
else:
    condInputLoader = condSeq.CondInputLoader
 
# Enable conditions garbage collection.
nConcurrentEvents = max(1,jp.ConcurrencyFlags.NumConcurrentEvents())
cleaner = Athena__DelayedConditionsCleanerSvc(RingSize = 2*nConcurrentEvents)
svcMgr += cleaner
svcMgr += Athena__ConditionsCleanerSvc (CleanerSvc = cleaner)
 
class CondDB:
    "Class to hold configuration information for Athena conditions DB access"
    def __init__(self,doOldStyleConfig=False):
        "Setup conditions DB - IOVDbSvc and connections according to GlobalFlags"
        from AthenaCommon.AppMgr import ServiceMgr as svcMgr
        from AthenaCommon.Logging import logging
        self.msg = logging.getLogger( 'IOVDbSvc.CondDB' )
        self.msg.debug("Loading basic services for CondDBSetup...")
    
        # AthenaPool and IOVDbSvc configuration
        from AthenaPoolCnvSvc import AthenaPool  # noqa: F401
        from IOVDbSvc import IOVDb               # noqa: F401
        # local access to IOVDbSvc parameters
        self.iovdbsvc=svcMgr.IOVDbSvc
 
        # initialise list of allowed DBs
        self.dblist={}
        # and list of blocked folders
        self.blocklist=[]
        
        # decide which instance to setup
        # default database
        self.dbname=''
        # names for MC and data database in case forceMC/forceData are used
        self.dbmc=''
        self.dbdata=''
        self.poolcats=[]
        from AthenaCommon.GlobalFlags import globalflags
        from AthenaCommon.AthenaCommonFlags import athenaCommonFlags
        self.isOnline=athenaCommonFlags.isOnline()
        self.isMC=not globalflags.DataSource()=='data'
        if (globalflags.DetGeo() in ['atlas','commis']):
            # ATLAS full or commissioning geometry
            self.dbmc='OFLP200'
            self.dbdata=globalflags.DatabaseInstance() #could be 'auto'
            if self.isMC:
                # Monte Carlo
                self.dbname=self.dbmc
                self.poolcats=['oflcond']
            else:
                # real data
                if (self.dbdata=='auto'):
                    project_name = ''
                    if athenaCommonFlags.FilesInput():
                        from PyUtils.MetaReader import read_metadata
                        metadata = read_metadata(athenaCommonFlags.FilesInput())
                        project_name = metadata[athenaCommonFlags.FilesInput()[0]]['project_name']
 
                    self.dbdata=self._InstanceFromProjectName(project_name)
                    self.msg.info("Configuring database instance '%s' based on project tag '%s'", self.dbdata, project_name)
                self.dbname=self.dbdata
                self.poolcats=['comcond','oflcond']
        elif (globalflags.DetGeo() in ['ctbh8','ctbh6']):
            self.dbmc='TMCP200'
            self.dbdata='TBDP200'
            if self.isMC:
                # 2004 combined testbeam, Monte Carlo
                self.dbname=self.dbmc
                self.poolcats=['tbcond','oflcond']
            else:
                # 2004 combined testbeam, real data
                self.dbname=self.dbdata
                self.poolcats=['tbcond','oflcond']
        else:
            raise RuntimeError("Unknown globalflags.DetGeo: %s" % globalflags.DetGeo())
        if (self.dbname!=''):
            self.msg.info('Setting up conditions DB access to instance %s', self.dbname)
            # set up all access options - online schemas
            self._SetAcc('INDET','COOLONL_INDET')
            self._SetAcc('INDET_ONL','COOLONL_INDET')
            self._SetAcc('PIXEL','COOLONL_PIXEL')
            self._SetAcc('PIXEL_ONL','COOLONL_PIXEL')
            self._SetAcc('SCT','COOLONL_SCT')
            self._SetAcc('SCT_ONL','COOLONL_SCT')
            self._SetAcc('TRT','COOLONL_TRT')
            self._SetAcc('TRT_ONL','COOLONL_TRT')
            self._SetAcc('LAR','COOLONL_LAR')
            self._SetAcc('LAR_ONL','COOLONL_LAR')
            self._SetAcc('TILE','COOLONL_TILE')
            self._SetAcc('TILE_ONL','COOLONL_TILE')
            self._SetAcc('MUON','COOLONL_MUON')
            self._SetAcc('MUON_ONL','COOLONL_MUON')
            self._SetAcc('MUONALIGN','COOLONL_MUONALIGN')
            self._SetAcc('MUONALIGN_ONL','COOLONL_MUONALIGN')
            self._SetAcc('MDT','COOLONL_MDT')
            self._SetAcc('MDT_ONL','COOLONL_MDT')
            self._SetAcc('RPC','COOLONL_RPC')
            self._SetAcc('RPC_ONL','COOLONL_RPC')
            self._SetAcc('TGC','COOLONL_TGC')
            self._SetAcc('TGC_ONL','COOLONL_TGC')
            self._SetAcc('CSC','COOLONL_CSC')
            self._SetAcc('CSC_ONL','COOLONL_CSC')
            self._SetAcc('TDAQ','COOLONL_TDAQ')
            self._SetAcc('TDAQ_ONL','COOLONL_TDAQ')
            self._SetAcc('GLOBAL','COOLONL_GLOBAL')
            self._SetAcc('GLOBAL_ONL','COOLONL_GLOBAL')
            self._SetAcc('TRIGGER','COOLONL_TRIGGER')
            self._SetAcc('TRIGGER_ONL','COOLONL_TRIGGER')
            self._SetAcc('CALO','COOLONL_CALO')
            self._SetAcc('CALO_ONL','COOLONL_CALO')
            self._SetAcc('FWD','COOLONL_FWD')
            self._SetAcc('FWD_ONL','COOLONL_FWD')            
            # set up all access options - offline schemas
            # only do this if isOnline flag is NOT set
            # or MC flag is set, to allow HLT testing using MC database
            if (self.isMC or not self.isOnline):
                self._SetAcc('INDET_OFL','COOLOFL_INDET')
                self._SetAcc('PIXEL_OFL','COOLOFL_PIXEL')
                self._SetAcc('SCT_OFL','COOLOFL_SCT')
                self._SetAcc('TRT_OFL','COOLOFL_TRT')
                self._SetAcc('LAR_OFL','COOLOFL_LAR')
                self._SetAcc('TILE_OFL','COOLOFL_TILE')
                self._SetAcc('MUON_OFL','COOLOFL_MUON')
                self._SetAcc('MUONALIGN_OFL','COOLOFL_MUONALIGN')
                self._SetAcc('MDT_OFL','COOLOFL_MDT')
                self._SetAcc('RPC_OFL','COOLOFL_RPC')
                self._SetAcc('TGC_OFL','COOLOFL_TGC')
                self._SetAcc('CSC_OFL','COOLOFL_CSC')
                self._SetAcc('TDAQ_OFL','COOLOFL_TDAQ')
                self._SetAcc('DCS_OFL','COOLOFL_DCS')
                self._SetAcc('GLOBAL_OFL','COOLOFL_GLOBAL')
                self._SetAcc('TRIGGER_OFL','COOLOFL_TRIGGER')
                self._SetAcc('CALO_OFL','COOLOFL_CALO')
                self._SetAcc('FWD_OFL','COOLOFL_FWD')
            else:
                self.msg.info('Running in online mode - no access to COOLOFL schemas')
                self.iovdbsvc.OnlineMode=True
                
            # setup default connection to localfile, and put in LOCAL symbol
            localfile="sqlite://;schema=mycool.db;dbname="
            self.dblist['LOCAL']=localfile
            self.iovdbsvc.dbConnection=localfile+self.dbname
 
            # setup knowledge of dbinstance in IOVDbSvc, for global tag x-check
            self.iovdbsvc.DBInstance=self.dbname
 
 
            # setup DBReplicaSvc to veto DBRelease SQLite files if real data
            if not self.isMC:
                from DBReplicaSvc.DBReplicaSvcConf import DBReplicaSvc
                svcMgr+=DBReplicaSvc(COOLSQLiteVetoPattern="/DBRelease/")
 
            # enable Frontier cache alignment if it looks like Frontier will
            # be used (via FRONTIER_SERVER variable)
            # but not for HLT (ATR-4646)
            if 'FRONTIER_SERVER' in os.environ.keys() and os.environ['FRONTIER_SERVER']!="" and not self.isOnline:
                self.iovdbsvc.CacheAlign=3
 
            # setup PoolSvc catalogues
            from PoolSvc.PoolSvcConf import PoolSvc
            if not hasattr (svcMgr, 'PoolSvc'):
                svcMgr+=PoolSvc()
            # add the standard catalogues
            # Set entries which will be resolved using ATLAS_POOLCOND_PATH
            # (if set) - the actual resolution is done inside PoolSvc C++
            for i in self.poolcats:
                svcMgr.PoolSvc.ReadCatalog+=["apcfile:poolcond/PoolCat_%s.xml" % i]
            svcMgr.PoolSvc.ReadCatalog+=["apcfile:poolcond/PoolFileCatalog.xml"]
        else:
            raise RuntimeError('Not enough configuration information to setup ConditionsDB access (are GlobalFlags being used?)')
        self.msg.debug("Loading basic services for CondDBSetup... [DONE]")
 
    def addFolder(self,ident,folder,force=False,forceMC=False,forceData=False,
                  className=None,extensible=False):
        """Add access to the given folder, in the identified subdetector schema.
If EXTENSIBLE is set, then if we access an open-ended IOV at the end of the list,
the end time for this range will be set to just past the current event.
Subsequent accesses will update this end time for subsequent events.
This allows the possibility of later adding a new IOV using IOVSvc::setRange."""
        # first check if access to this folder was blocked, unless forcing
        for block in self.blocklist:
            if (folder.find(block)>=0 and not force): return
        folderadd=''
        # now check if ident is defined, and add folder
        if (ident in self.dblist.keys()):
            folderadd="<db>%s%s</db> %s" % (self.dblist[ident],self._GetName(forceMC,forceData),folder)
        elif (ident==''):
            folderadd=folder
        elif (ident.find('.')>0):
            # interpret the identifier as a filename for SQLite file
            folderadd='<db>sqlite://;schema=%s;dbname=%s</db> %s' % (ident,self._GetName(forceMC,forceData),folder)
        else:
            raise RuntimeError("Conditions database identifier %s is not defined" % ident)
        if extensible:
            folderadd = folderadd + '<extensible/>'
 
        self.iovdbsvc.Folders+=[folderadd]
 
        if className:
            key = (className, self.extractFolder(folder))
            if key not in condInputLoader.Load:
                condInputLoader.Load.add(key)
 
    def addFolderWithTag(self,ident,folder,tag,force=False,forceMC=False,forceData=False,className=None):
        "Add access to the given folder/schema, using a specified tag"
        self.addFolder(ident,folder+" <tag>%s</tag>" % tag,force,forceMC,forceData,className=className)
 
    def addFolderSplitOnline(self,ident,folder1,folder2,force=False,forceMC=False,forceData=False,
                             className=None,extensible=False):
        "Add access to given folder, using folder1 online, folder2 offline"
        if self.isOnline and not self.isMC:
            self.addFolder(ident,folder1,force=force,forceMC=forceMC,forceData=forceData,
                           className=className,extensible=extensible)
            return folder1
        else:
            self.addFolder(ident+'_OFL',folder2,force=force,forceMC=forceMC,forceData=forceData,
                           className=className,extensible=extensible)
            return folder2
 
    def addFolderSplitMC(self,ident,folder1,folder2,force=False,forceMC=False,forceData=False,className=None):
        "Add access to given folder, using folder1 (online) for real data, folde2 (offline) for MC"
        if self.isMC:
            self.addFolder(ident+'_OFL',folder2,force=force,forceMC=forceMC,forceData=forceData,className=className)
        else:
            self.addFolder(ident,folder1,force=force,forceMC=forceMC,forceData=forceData,className=className)
 
    def addOverride(self,folder,tag):
        "Add a tag override for the specified folder"
        overrideDirective = '<prefix>%s</prefix> <tag>%s</tag>' % (folder,tag)
        if overrideDirective not in self.iovdbsvc.overrideTags:
            self.iovdbsvc.overrideTags+=[overrideDirective]
 
    def blockFolder(self,folder):
        "Block use of specified conditions DB folder so data can be read from elsewhere"
        self.blocklist+=[folder]
        # check existing list of folders and remove it if found
        for i in range(0,len(self.iovdbsvc.Folders)):
            if (self.iovdbsvc.Folders[i].find(folder)>=0):
                del self.iovdbsvc.Folders[i]
                break
 
        folderName = self.extractFolder(folder)
        for f in condInputLoader.Load:
            if (f[-1] == folderName):
                condInputLoader.Load.remove(f)  # OK since we break after this
                break
 
    def folderRequested(self,folder):
        "Return true if the given folder has already been requested"
        for i in self.iovdbsvc.Folders:
            if (i.find(folder)>=0): return True
        return False
 
    def addMarkup(self,folder,markup):
        "Add given XML markup to folder string for given folder"
        nmod=0
        for i in range(0,len(self.iovdbsvc.Folders)):
            if (self.iovdbsvc.Folders[i].find(folder)>=0):
                self.iovdbsvc.Folders[i]+=markup
                nmod+=1
        if (nmod==0):
            raise RuntimeError("conddb.addMarkup: Folder %s is not known to IOVDbSvc" % folder)
        
                
    def setGlobalTag(self,tag):
        "Set the GlobalTag value used as the key for hierarhical conditions"
        self.iovdbsvc.GlobalTag=tag
        
 
    def setRequireLock(self,lock=True):
        "Set the flag indicating global tags will be required to be locked"
        self.iovdbsvc.CheckLock=lock
 
    def setWriteDataToFile(self, writeData=False):
        "Set option to write data to file"
        self.iovdbsvc.OutputToFile=writeData
 
    def setCrestToFile(self, crestData=False):
        "Set option to write CREST data to file"
        self.iovdbsvc.CrestToFile=crestData
 
 
    def extractFolder(self,folderstr):
        "Extract the folder name (non-XML text) from a IOVDbSvc.Folders entry"
        fname=""
        xmltag=""
        ix=0
        while ix<len(folderstr):
            if (folderstr[ix]=='<' and xmltag==""):
                ix2=folderstr.find('>',ix)
                if (ix2!=-1):
                    xmltag=(folderstr[ix+1:ix2]).strip()
                    ix=ix2+1
                    if xmltag[-1] == '/':
                        xmltag=""
                        ix=ix+1
            elif (folderstr[ix:ix+2]=='</' and xmltag!=""):
                ix2=folderstr.find('>',ix)
                if (ix2!=-1):
                    xmltag=""
                    ix=ix2+1
            else:
                ix2=folderstr.find('<',ix)
                if ix2==-1: ix2=len(folderstr)
                if (xmltag==""): fname=fname+folderstr[ix:ix2]
                ix=ix2
        return fname.strip()
        
 
    def dumpFolderTags(self,outfile,folderNames=False,folderOrigin=False):
        "Write out folder-specific tag names to file, for use with AtlCoolCopy tools"
        ofile=open(outfile,'w')
        for folderstr in self.iovdbsvc.Folders:
            # extract tag specifications and write in file
            if (folderNames):
                # also extract the name of the folder - all non-XML text
                fname=self.extractFolder(folderstr)
                if (fname!=""):
                    dbtype=""
                    # find the database schema and insert :ONL or :OFL
                    if (folderOrigin):
                        if '<db>' in folderstr:
                            idx1=folderstr.find('<db>')+4
                            idx2=folderstr.find('</db>')
                            if (idx2>0):
                                dbname=folderstr[idx1:idx2].strip()
                                if 'ONL' in dbname:
                                    dbtype=':ONL'
                                elif 'OFL' in dbname:
                                    dbtype=':OFL'
                    ofile.write('--folder %s%s\n' % (fname,dbtype))
            if '<tag>' in folderstr:
                idx1=folderstr.find('<tag>')+5
                idx2=folderstr.find('</tag>')
                if (idx2>0):
                    tag=folderstr[idx1:idx2].strip()
                    # do not write out TagInfo magic tags, except when giving
                    # folderOrigin
                    if ((tag.find('TagInfo')!=0 and tag!='HEAD') or folderOrigin):
                        ofile.write('--tag %s\n' % tag)
        # also extract any special tag names from overrideTags list
        for folderstr in self.iovdbsvc.overrideTags:
            # extract tag specifications and write in file
            if '<tag>' in folderstr:
                idx1=folderstr.find('<tag>')+5
                idx2=folderstr.find('</tag>')
                if (idx2>0):
                    tag=folderstr[idx1:idx2].strip()
                    # do not write out TagInfo magic tags
                    if (tag.find('TagInfo')!=0 and tag!='HEAD'):
                        ofile.write('--tag %s\n' % tag)
        ofile.close()
 
    def dumpFolderReadReal(self,outfile):
        "Dump configuration information for use in ReadReal in AthenaDBTestRec"
        ofile=open(outfile,'w')
        ofile.write('FolderList=%s\n' % self.iovdbsvc.Folders.__repr__())
        ofile.close()
 
    def GetInstance(self,forceMC=False,forceData=False):
        "Get the name of the DB instance in use (e.g. OFLP200)"
        return self._GetName(forceMC,forceData)
 
 
    def _SetAcc(self,ident,schema):
        "Internal helper function to setup database access string"
        self.dblist[ident]="%s/" % schema
 
    def _GetName(self,forceMC,forceData):
        "Internal get db instance name, taking into account forceData/MC flags"
        if forceMC:
            return self.dbmc
        elif forceData:
            return self.dbdata
        else:
            return self.dbname
        
    #decide database instance based on project tag dataXX_
    def _InstanceFromProjectName(self,projectName):
        try:
            year=int(projectName[4:6])
        except Exception:
            self.msg.warning(f"Failed to extract year from project tag '{projectName}', using CONDBR2.")
            return "CONDBR2"
        
        if (year>13):
            return "CONDBR2"
        else:
            return "COMP200"
        
 
# make instance for use
# false indicates no backward compatibility objects
conddb=CondDB(False)