Various fixes for ConddbEssource input parameters handling

[ggovi]

This PR include:

• A Warning message is printed when a GT ora a Tag are read from a production V1 account
• A clean up of the handling of DB ESSource input parameters from cfg
• A fix to support '@' character(s) in sqlite file names

[cmsbuild]

A new Pull Request was created by @ggovi for CMSSW_7_5_X.

Various fixes for ConddbEssource input parameters handling

It involves the following packages:

CondCore/CondDB
CondCore/ESSources

@diguida, @cerminar, @cmsbuild, @nclopezo, @ggovi, @mmusich can you please review it and eventually sign? Thanks.
@ghellwig, @apfeiffer1 this is something you requested to watch as well.
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[ggovi]

+1

[diguida]

@cmsbuild
please test

[cmsbuild]

-1
Tested at: 6baffcf
When I ran the RelVals I found an error in the following worklfows:
25202.0 step2

runTheMatrix-results/25202.0_TTbar_13+TTbar_13+DIGIUP15_PU25+RECOUP15_PU25+HARVESTUP15_PU25+MINIAODMCUP15/step2_TTbar_13+TTbar_13+DIGIUP15_PU25+RECOUP15_PU25+HARVESTUP15_PU25+MINIAODMCUP15.log
----- Begin Fatal Exception 27-Apr-2015 13:49:37 CEST-----------------------
An exception of category 'Configuration' occurred while
   [0] Processing run: 1 lumi: 1 event: 1
   [1] Running path 'digitisation_step'
   [2] Calling event method for module MixingModule/'mix'
Exception Message:
RootInputFileSequence::readOneRandom(): no input files specified for secondary input source.
----- End Fatal Exception -------------------------------------------------

50202.0 step2

runTheMatrix-results/50202.0_TTbar_13+TTbar_13+DIGIUP15_PU50+RECOUP15_PU50+HARVESTUP15_PU50+MINIAODMCUP1550/step2_TTbar_13+TTbar_13+DIGIUP15_PU50+RECOUP15_PU50+HARVESTUP15_PU50+MINIAODMCUP1550.log
----- Begin Fatal Exception 27-Apr-2015 13:50:31 CEST-----------------------
An exception of category 'Configuration' occurred while
   [0] Processing run: 1 lumi: 1 event: 1
   [1] Running path 'digitisation_step'
   [2] Calling event method for module MixingModule/'mix'
Exception Message:
RootInputFileSequence::readOneRandom(): no input files specified for secondary input source.
----- End Fatal Exception -------------------------------------------------

you can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8885/7330/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8885/5176/summary.html

The workflows 140.53 have different files in step1_dasquery.log than the ones found in the baseline. You may want to check and retrigger the tests if necessary. You can check it in the "files" directory in the results of the comparisons

[diguida]

@ggovi this should be changed to

from Configuration.AlCa.autoCond_condDBv1 import aliases