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2-R-014 (CERN)

2-R-014

CERN
Federico Stagni (Conseil Europeen Recherche Nucl. (CERN)-Unknown-Unknown)
Description
Bi-Weekly "Loyal" DIRAC developers meeting. And, following, the LHCbDIRAC developers meeting.
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Bi-weekly DIRAC Development meeting -- 11/04/2019

 

At CERN: Zoltan, Christophe, Andre', Marko, Sasha
On Vidyo: Federico, Daniela, Simon, Hideki, Xiaomei, Raja

Apologies: Andrei

 

Follow-up from previous meeting

  • NTR

DIRAC communities roundtable

  • CLIC:
    • NTR, not moved yet to v6r21
  • LHCb:
    • Using v6r21 in production for 3 weeks, all fine
    • Added 1 machine using DIRACOS and running few services
  • GridPP:
    • NTR
  • Belle2:
    • Upgraded to v6r20
      • Just running through the various upgrades
  • Juno:
    • Going to move to v6r21 next month

Current situation

DIRAC

  • v6r20p28 created with a fix for SiteDirector (reported originally in https://github.com/DIRACGrid/DIRAC/issues/4014)
    • the fix has not been ported to v6r21 or integration branches, as this wants a better/proper fix
  • v6r21:
    • v6r21p3 is the last patch release
      • improvements for MultiProcessor jobs
      • Question on MQ config in https://github.com/DIRACGrid/DIRAC/pull/4007#issuecomment-482053154

VM:

  • NTR

WebApp:

  • NTR

Pilot3:

  • PR on pilot logger merged in devel
  • Working on secure logging from python 2.6
  • Working on automatic tests within Jenkins

DIRACOS:

  • New tag 1.1.0 should be done today
    • and added in the releases.cfg for the next patch
  • Looking for python3-compatible libraries
    • the only one not compatible looks to be multi-mechanize, will be removed from here
    • should check mysql-python vs mysql-connector
  • A howto for doing the upgrade will be prepared
    • A "tutorial-like" talk will be done at the DUW

Documentation

  • Andre' + Chris working on refactoring the scripts for creating the docs so that they can be used by the extensions too.
    • First PR on this came, should be ~ready by the DUW
  • Can and should try to make a proposal for Google season of docs 2019: https://groups.google.com/forum/#!topic/hep-software-foundation-google-summer-of-code/LQOU8lKi0qg

BOINC:

  • NTR

DB12:

  • NTR

tornado and other externals

  • NTR

Release planning, tests and certification

Release planning:

  • v6r21 series
    • NTR
  • v7r0 series
    • Should install on DIRAC certification with:
      • DIRAC v7r0-preX
      • DIRACOS  v1r1
      • WebApp 4.0
      • releases.cfg should be modified accordingly [done?]
    • bashrc will need to be re-done, so a fresh installation is needed
      • Instructions should go to https://github.com/DIRACGrid/DIRAC/wiki/DIRAC-v7r0
    • All Jenkins tests should be updated
      • And possibly use the M2Crypto flag.
    • Chris also working with first integration tests run in GitLabCI

Certification process: 

  • The DIRAC certification machine being re-done from scratch
    • CentOS7
  • Marko asked about proper way of identifying the tag or branch a certain PR is building on
    • DIRAC.__init__.py may be used, but often it is not updated
    • setup.py file is there but not updated
    • will create an automated test to verify that this is correctly updated
      • in the longer term we should use gitlab-CI to help in creating the releases

Weekly development(s) focus

NTR

DIRAC: current PRs and tasks being worked on, or topics from Google forum

  • Some changes discussed/agreed on calculating the space occupancy by Belle2 should be added to v6r20

AOB

DUW agenda ready

 

Next BiLD in 3 weeks from now.

 

---------------------------------------------------------------------------------------------------------------

LHCb

  • Issues with BulkSubmission: bad merge? To be verified
  • Alias for setting up LHCbDIRAC environment: discussed/agreed in https://its.cern.ch/jira/browse/LBCORE-1420
    • The lb-run hack/alias will stay for some time
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