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    BiLD-Dev

    → Europe/Zurich
    Federico Stagni (CERN)
    Description

    Bi-Weekly "Loyal" DIRAC developers meeting. And, following, the LHCbDIRAC developers meeting.

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    working notes
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    BiLD (Bi-weekly DIRAC Development meeting) – 05/08/2021

    At CERN: Federico, Chistophe, Christopher, André (in our offices…)
    On Zoom: Alexandre, Andrii, Cedric, Hideki, Janusz, Simon, Ueda
    Apologies:

    Follow-up from previous meetings

    • Ran hackathon last week on 7.3.0a17:
      • trello board here
      • py2 hackathon on lbcertifdirac70 box
      • VMDIRAC merged in: the dirac.cfg had to be updated again in puppet
      • py3 pilots: some issues with release string parsing, solution merged in
      • usual bunch of fixes

    DIRAC communities roundtable

    GridPP:

    Simon

    • HTCondor MP tests still ongoing

    ILC/CLIC/FCC:

    André

    • Updated to v7r2
      • Some configuration changes not correctly described in the update notes (corrected now)
        • VOPolicy (One move incompletely described, one completely missing)
        • StatesAccountingAgent (Backend instead of Backends)
        • Please consider this when planning to restructure the Operations section (and don’t)
    • Elasticsearch: testing the new opensearch from CERN, seems to work fine with v7r2

    LHCb:

    Federico+Christophe+Christopher+Alexandre

    • py3 is the default client (on CVMFS)

    EGI:

    Andrii

    • NTR

    Belle2:

    Ueda, Hideki, Cedric

    • NTR

    DIRAC releases

    • v7r2p19:
      • Framework
        FIX: ComponentSupervisionAgent: consistently use the actual “Setup”, and not the “instance” to look up options. Note: you might need to change your config from “Production” to “DIRAC-Production” depending on your config.
      • Resources
        NEW: removal throttle for Echo
    • v7r3-pre18:
      • (#5035) use DIRACScript instead of Script
      • (#5214) Added a HTTPs JobManager, JobMonitor, JobStateUpdate service
      • (#5289) SiteDirector: do not send dirac-install if it’s py3 pilot

    DIRAC projects

    DIRAC:

    Issues by milestone:

    Other issues:

    • NTR

    PRs discussed:

    WebApp:

    Pilot:

    • Merged devel into master on Monday, looks fine

    DIRACOS:

    • New version v1r24
      • Using davix and SQLAlchemy latest version

    DIRACOS2:

    • from previous meetingfts-rest on py3?
      • NTR
    • New release 2.9 not released yet

    VMDIRAC:

    • Merged. No further developments./

    Documentation:

    OAuth2:

    tornado/HTTPs

    management

    diraccfg

    • NTR

    COMDIRAC

    • NTR

    DB12

    • PR is almost ready, should be finished tomorrow
    • pip packages should be deleted, since they are not production

    other externals, including Rucio

    • PR https://github.com/DIRACGrid/DIRAC/pull/5302
      • better way on instantiating the client and running the agents, using DIRAC CS and host certificate
      • using the user proxy for running the client
      • Already used by GridPP, question if is Belle2 way of working is preserved, Cedric should have a look.

    Release planning, tests and certification

    • Certification machines

      • lbcertifdirac70 machine:
        • py2 installation, for now, but we’ll move to py3 server for the next hackathon
      • lbcertifdiracoath machine:
        • from previous meeting Andrii seems to be ready. One issue on how to organize Registry.
          • client for IAM (approved by Andrea), VO WLCG (not a admin yet) and one client for Check-IN.
        • Federico We can run a non-official hackathon here, only for a few people

    • Next hackathon(s)

      • Federico py3 hackathon on lbcertifdirac70

    AOB and topics from Google forum

    Next hackathon on August 12th: https://indico.cern.ch/event/1065227/
    Next BiLD on August 19th: https://indico.cern.ch/event/1065225/

    LHCbDIRAC

    • https://trello.com/b/BQvEbteg/deploy-v10r2
      • ES stuff: we will migrate to OpenSearch, starting from the DIRAC certification, then LHCb certification, and only then Production
    • python3 client on CVMFS is now the default for users
      • Pilots still using py2
    • from previous meetingSandboxStore: installed in prod
      • 80% migrated - rsync-ing
    • Tomorrow LHCbDIRAC hackathon based on v7r3/py2
     
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