Rucio Meeting

Thursday 27 Apr 2023, 15:00 → 16:00 Europe/Zurich

Martin Barisits (CERN)

1 News

• 1:1 Ticket review
  • Component leads: please pick a time slot (refer to email from Martin).
• Reminder: May 4 
  • Python 3.6 deprecation meeting

2 Community News & DevOps roundtable

• ATLAS
  • Expired CERN CA bundle affecting some clients (e.g. Tier-0), depending on the configuration.
    • Also affected some FTS servers.
  • Reuseability of deleted DIDs:
    • DIDs are ‘soft’ deleted: moved from the dids table to deleted_dids.
    • They should not be useable again; it is so in ATLAS, but it is implemented as a database trigger.
    • Other communities? To re-discuss with Martin.
• CMS
  • Also affected by expired CERN CA.
    • Robot certificate had been signed by the expired certificate.
  • Follow-up on Kronos issue:
    • Not yet upgraded to latest release which should include a fix.
    • Turned off resubmission on unconsumed messages.
• Fermilab / DUNE / ICARUS / RUBIN
  • Fermilab: business as usual
  • RUBIN: potential need for custom policy package
    • Need for slashes in the DID names.
  • DUNE:
    • Combinations of multiple software on CVMFS → Rucio’s calls to GFAL fail.
• BELLE II
  • Testing release 1.31.0
• SKAO
  • NTR
• RAL/Multi-VO
  • NTR

3 Developers roundtable

Progress-2023-04-27.png

• 32 "The Good, The Bad and the Donkey" Priority followup
  • In Progress
    • Replace all instances of X509 identities presented in the legacy format #6182 [Dimitrios]
    • Migrate DID and DID-metadata view to clean architecture #w/160 [Mayank, Anton]
    • Migrate List My Rules and Rule View to clean architecture #w/159 [Mayank, Anton]
    • Create Pages for Create Rule Workflow #w/144 [Anton]
  • In Review
    • Unable to Delete File DID via Undertaker #5154 [Anton]
  • Todo
    • Design and implement a token request module #6187 [Dimitrios]
    • Incorporate IAM-based testing for token workflows #6188 [Dimitrios]
    • Design and implement a token cache module #6183 [Dimitrios]
    • Adapt probes to rucio/rucio#5804 #p/108 [Eric]
    • Kick off SIG-Tokens [Martin]
    • Document and cleanup discrepancies between surl and lfn2pfn algorithms #5129 [Martin]
    • Reduce core tickets <15 [Martin, Mario]
    • foreign key error on deleting dids in reaper #5733 [Martin]
    • Create a server/daemon installation howto #d/178 [Mayank]
    • Create developers testing guide in the documentation #d/177 [Mayank]
    • Support OIDC login #w/149 [Mayank]
    • Migrate Dashboard to Clean Architecture #w/158 [Mayank, Anton]
    • Exchange of function-based indices with normal index #6143 [Radu]
    • Internal transfer monitoring #6189 [Radu]
    • New dispatcher logic for conveyors #6190 [Radu]
    • Update/Re-design core.meta module #5224 [Rob]
  • Done
  • Delayed
• Documentation corner
  • Document environmental variables affecting the client #171 [Dimitrios]
  • Documentation and dev guidelines for MyPi type annotations #116 [Mayank, Martin]
  • Create developers testing guide in the documentation #177 [Mayank]
  • Create a server/daemon installation howto #178 [Mayank]
    • Ubuntu-specific PR #215
  • Improve documentation on rucio.cfg vs configuration table #183 [Radu]
  • Add an FAQ-style entry aimed at users for STUCK rules #184 [Fabio]
  • Add instruction about DB partitioning #185 [Martin]
  • bridge the gap between running rucio in demo env and full production deployment #187 [Radu]
  • Introduce documentation on subscriptions #190 [Cedric]
  • improve documentation about --distance and --ranking and source ranking #199 [Radu]
• Other topics
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4 AOB