Rucio Meeting

Thursday 6 Mar 2025, 15:00 → 16:00 Europe/Zurich

Dimitrios Christidis (CERN)

15:00 → 15:05 News¶

• March release schedule
  • Mar-10 36.?
  • Mar-17 32.8.5 LTS
  • Mar-24 35.? LTS
• 37 "Dungeons & Donkeys"
  • Code Freeze on Mar-20 08:00 CET
  • Mar-24 37.0.0rc1
  • Mar-31 37.0.0 FINAL
• Introducing our new CERN Technical Student Karan!

15:05 → 15:25 Community News & DevOps roundtable¶

• ATLAS
  • Latest release has an upgraded OpenSSL version (3.2, as is in EL9):
    • How to better communicate important changes to the container images?
• CMS
  • Archive metadata:
    • Enabled, but not seeing them in the FTS logs as expected.
    • To follow up in the #Support channel.
  • Reaper follow-up:
    • Now running 36.4.0 with the latest version of davix.
    • Seems to be fixed.
  • Transmogrifier issue:
    • DIDs not being properly processed?
    • A very significant backlog (> 1M) of waiting DIDs.
    • Likely more instances/threads are needed.
    • Not obvious load change recently.
    • Recommendation for the chunk size?
• Fermilab
• DUNE
• HEP-CCE
  • Rucio-Globus test preparation.
    • Credentials etc.
• DaFab
• CERN IT
• ESCAPE
  • Decommissioning RSEs of no-longer-accessible storages. Not fun.

15:25 → 15:35 SIG Tokens monthly update¶

Speaker: Dimitrios Christidis (CERN)

• CILogon policy change (RFC resource parameter):
  • Waiting for response.
• CILogon and third-party-copy transfer tests.
• CILogon will switch off X.509 user credentials on the 1st of May.

15:35 → 15:55 Developers roundtable¶

• Reflection about ongoing Sprint 3 (Sprint Board) [Mayank]
  • Reminder: please mark the state of your issues (e.g. ‘In Progress’).
  • Many items pending review.
• Priority Followup for Rucio 37 "Dungeons and Donkeys" major release
  • Todo
    • Create a new API endpoint for the clients to request tokens #6638 [Dimitrios]
    • Implement new token authentication for download #7029 [Dimitrios]
    • Improve handling of errors in Rucio REST API calls #39 [Enrique] -> Sprint 3
    • Upgrade to NextJS 15 and App Router #429 [Mayank]
    • Maintain backward compatibility with url's from old webui #131 [Mayank]
    • Integrate OIDC endpoints for Authorization Code Grant Type #507 [Mayank]
    • Rucio dependencies in test environments should be installed the same way ... #344 [Riccardo]
    • Testing: Run rucio/rucio integ tests for PRs in rucio/containers #310 [Riccardo]
  • In Progress
    • Include docker image publication in CI/CD #35 [Enrique] Sprint 1
    • Rucio CLI >=36.0.0 Bugs and Suggestions #7224 [Maggie]
    • Fix static code analysis behaviour for functions decorated with @transactional_session, @read_session and @stream_session #6986[Riccardo]
  • In Review
    • Rework OIDC user authentication #7310 [James, Anil] Sprint 1
    • Prevent multiple Reaper threads from working on the same replicas #6512[Hugo] Sprint 1
    • New CLI: Consider switching away from argparse #7253 [Maggie] <-- Other issues would be easier if this is merged
  • Done
    • factorize duplicate messaging code into a common module or class #6423 [Alex]
    • psycopg2-binary should not be used in production - psycopg2 should be used instead #6669 [Dimitris] Sprint 1
    • Standardize permission policy check logic #7206 [James] Sprint 1
    • Build multi-arch images to support arm64 machines #354 [Riccardo] Sprint 1
• Miscellaneous
  • Work on the new Web UI to support DIDs with slashes [Mayank]
    • Testing instances in CMS, CERN IT, JLab

15:55 → 16:00 AOB¶