Rucio Meeting

Thursday 22 Jan 2026, 15:00 → 16:00 Europe/Zurich

Martin Barisits (CERN)

15:00 → 15:05 News

• Google Summer of Code!
• PR Sprint

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

• ATLAS
• CMS
  • 39 upgrade being put into production
• ePIC
  • conveyor-receiver stuck in connected but does not "receive"
    • Restart does not help
    • One thread does not help either
    • Gets a few messages, but then just stuck
• Fermilab DUNE / RUBIN
  • Migrated DUNE Rucio to cluster with LB
• DaFab
• ESCAPE / EOSC
  • Meeting with Swiss Data Science Center
  • Put roles in the proxy (fts-cron)?
• INFN
  • Upgrade to 38 LTS
  • Test for TPC with Tokens coming next
• RI-SCALE
  • Dataspace integration
• MADDEN / eTap
  • Multihost file needs to go to 39.2
• IHEP

15:25 → 15:55 Developers roundtable

• Reflection about ongoing Sprint 2 (Sprint Board) [Dimitris]
  • Conventional commits
    • New PRs are following the convention
  • PR Crisis
    • 80 -> 60
      • Another 20 with failing tests or no recent activity can probably be closed
      • Of the other 40, over half have recent activity
      • The rest are probably pending review
    • PR Template -  Review Template
    • Automation for PR guideline enforcement (bot)
• Rucio 40 roadmap
  • Please size estimate all the priority issues!
  • Pick a reviewer for LARGE and XLARGE issues!
    • Reviewer added as assignee to the ticket (Does not preserve order though)
• Rucio 40 priority followup
  • Todo
    • Create a new API endpoint for the clients to request tokens #6638[Dimitrios]
    • Implement new token authentication for download #7029[Dimitrios]
    • More useful client docstrings and CLI help messages (Target: 15/25) #363 [Dimitris]
    • Consider migrating from Jobber to Cloudprober #152 [Eric]
    • DIDs not being shown correctly in the extension after a successful download #95 [Giovanni]
    • Make available + Add to Notebook features failing #83 [Giovanni]
    • Prevent multiple Reaper threads from working on the same replicas #6512 [Hugo]
    • Generate "Configuration parameters" documentation page automatically, to avoid mismatches between documentation and code #325 [Maggie]
    • Change mixed prometheus_client and probe_metric approachs to use PrometheusPusher #129 [Maggie]
    • Possible Belle II specific code in DIRAC functionality #7824[Max]
    • Remove hard-coded one-day lifetime in DIRAC API #8172 [Max]
    • [ EPIC ] : Mutation Operations and Role Based Access to pages/features (Target 5) #622 [Mayank]
  • In Progress
    • Token refresh after expiration #73 [Giovanni]
    • Do not use regex to split did, use scope extraction method #7519[James]
    • Test stability on LTS branches #7964 child of #7667 [Karan]
    • Move implimentation of CLI to new CLI structure #8295[Maggie]
    • [EPIC] UX improvements (Target 22) #621 [Mayank] --> 17 out of 22
    • Simplify what we run on CI (test suites, OS, Python versions, DB, …) #7965 child of #7667 [Mayank, Karan]
  • In Review
    • Consider using Python venvs in containers to avoid conflicts with system-installed packages #458 [Ben]
    • Add startup self-check mechanism to block Rucio services when critical diagnostics fail #8197 child of #8011 [Dimitris]
    • Ensure PostgreSQL ENUM types created during Alembic migrations honor the configured schema #8145 child of #7737[Dimitris]
    • Wrong documentation for dids/scope/name/files call #8053[Dimitris]
    • Testing: Make tools/run_tests.sh idempotent #7737 child of #7667 [Dimitris]
    • No way to check or change ownership of a scope using Rucio client #7830 [Maggie]
  • Done
    • Listing containers with more than 10k entries breaks the kernel #102 [Giovanni]
    • Rucio silently skips importing configured policy package in case of errors #7962 [Max, James]
  • Delayed
    • Stop auto-forwarding of old-style CLI commands #8294 [Maggie]
• Other discussion
  •  

15:55 → 16:00 AOB