WLCG DOMA BDT Meeting

→ Europe/Zurich
Brian Paul Bockelman (University of Wisconsin Madison (US)), Maria Arsuaga Rios (CERN), Petr Vokac (Czech Technical University in Prague (CZ))
Description

Topic: WLCG DOMA BDT Meeting

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Merged to xrootd fixes for how it handles tokens for the scope.create

  • now prevents any destructive actions
    • necessary to implemented renames correctly with posix backend
  • code merged last week - hopefully by next week deployed on testbed
    • XRootD and EOS instance used for compliance tests is not currently available
  • unfortunately this is not part of XRootD 5.4.x branch
    • we have to wait for XRootD 5.5

FTS

  • large refactoring for EGI Check-in + also integration of CILogon
    • running token tests with dCache
  • require scopes in the offline token
    • without scopes FTS use introspection - best effort
    • subject + scope -> delegation id (distinguish read/write activity)
      • add issuer
      • add audience(?)
    • in the future EGI tokens will also include specific scopes
  • WLCG vs. AARC profile
    • WLCG profile contain wlcg.ver scope
  • we need dedicated meeting Rucio + FTS + WLCG AuthZ
    • FTS & tokens briefly discussed during WLCG AuthZ meeting
    • token handling refactoring in FTS -> several topics that needs to be clarified

Rucio

  • token testbed soon
  • deletion did not work - minor update soon
  • start work on tokens in summer by new rucio developer
    • uploads / downloads / deletions
    • improvements planned also for token submission to FTS

TAPE REST

  • FNAL will provide dCache REST implementation after next week dCache workshop
  • gfal2 2.21 release with TAPE REST support in ~ two weeks

Packet marking

  • Nebraska would like to join testbed with their XRootD

AOB

  • more inteligent FTS & HTTP-TPC pull/push/stream fallback
    • require propagation of HTTP code back to the TPC client (FTS)
    • details in the attached slides
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