Rucio Meeting

Thursday 19 Jun 2025, 15:00 → 16:00 Europe/Zurich

Martin Barisits (CERN)

15:00 → 15:05 News

• Rucio 38 "Donkirk" timeline
  • Jul-16 12:00 CEST Feature freeze
    • All PRs to be included in the release MUST be submitted, with passing tests, by then
    • No more code-freeze, merging continues, but PRs submitted/finalised after the deadline will not make it to the 38.0.0
  • Jul-21 38.0.0rc1 production
  • Jul-28 38.0.0 final production
• Upcoming meetings
  • Jul-31 38 Release retrospective
  • Aug-28 39 Release plannig
    • 1 month delay between the two, time to work on non-priority issues!

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

• ATLAS
  • Shared storage between DESY Hamburg and HPC at Göttingen
    • Quality of Service / Staging from Disk / dCache problem?
    • Anyone else looking into this?
  • OTF: Requirements for FTS from ATLAS-Rucio
• CMS
  • Disabling subscriptions #7784
    • Set lifetime to 0?
    • Correct thing would be to set the state to INACTIVE?
      • But not clear if this is do-able with the CLI
  • WebUI
    • / issue in the new webUI
      • 36.3.1 should fix it
      • #548
  • Monitoring events timestamp?
    • Did somebody from ATLAS look into it?
      • Fabio is back, Mario will ping, once pinged by Panos
• Belle II
  • Migrated to Rucio as a metadata service
  • Slowly moving to oAuth tokens
• DaFab
• ESCAPE
  • EOSC federation
    • Investigate storage scoped tokens not issued by Indico IAM
    • MyAccessId (GEANT)
• CERN IT
• IHEP
• ET
  • Digging in the code for enabling cross-server search
  • Schedule meeting with auth team

15:25 → 15:55 Developers roundtable

• Reflection about ongoing Sprint 5 (Sprint Board) [Mayank]
  • Good balance of tasks in progress
• Priority Followup for Rucio 38 "Donkirk" major release
  • Todo
    • factorize duplicate messaging code into a common module or class #6423 [Alex]
      • Martin will check
    • Create a new API endpoint for the clients to request tokens #6638 [Dimitrios]
      • Martin will check
    • Implement new token authentication for download #7029 [Dimitrios]
      • Martin will check
    • Make 0 the top protocol priority #6312 [Dimitrios]
      • Martin will check
    • Developer Guidelines for Reviews, Testing Requirements #538 [Martin]
    • Integrate OIDC endpoints for Authorization Code Grant Type #507 [Mayank]
      • Switching iron-session to auth.js
    • Add the possibility to archive metadata for deleted DIDs #5484 [Rob, Cedric]
      • Martin will check
    • Run rucio/rucio integ tests for PRs in rucio/containers #310 [Riccardo]
      • Martin will check
    • Rucio dependencies in test environments should be installed the same way they are installed when Rucio is installed as a package #344 [Riccardo]
      • Martin will check
    • Merge rucio/rucio/etc/docker/ and rucio/containers/dev #7532 [Riccardo]
      • Martin will check
    • Plugins and policy packages: using plugin entry points for discovery? #7572 [Riccardo]
      • Martin will check
  • In Progress
    • Re-Factor test infrastructure #7667 [Dimitris, Karan, Mayank, Riccardo]
      • Caching DONE
      • Simplifying Autotests next
    • Improve handling of errors in Rucio REST API calls #39 [Enrique, Giovanni]
      • Going to review today
    • Prevent multiple Reaper threads from working on the same replicas #6512 [Hugo]
    • Fix static code analysis behaviour for functions decorated with @transactional_session, @read_session and @stream_session #6986 [Riccardo]
      • Martin will check
    • New CLI: Release 38 Bugs/Improvements #7658 [Maggie]
      • Martin will check
    • Metrics API endpoint: include UNKNOWN sources #6565 [Maggie]
      • Martin will check
    • race in token creation when running multiple clients on same host #7185 [Maggie]
      • Martin will check
    • Add link to FTS transfers for rules #517 [Mayank]
    • EPIC: Migration to NX Monorepo #549 [Mayank] 
      • Going well
    • EPIC: UX Improvements #547 [Mayank] 
    • Improve TEMP_UNAVAILABLE replica handling #7666 [Riccardo]
      • New PR, but will not publish until tests are fixed
      • Martin will check
  • In Review
    • cx_oracle -> python-oracledb dependency upgrade #6467 [Dimitris]
    • More useful client docstrings and CLI help messages #363 [Dimitris]
    • Add docs for daemon arguments #499 [Maggie]
    • Update test/test_bin_rucio to use fixtures where applicable #7641 [Maggie]
    • EPIC: Handle DID schemas with / #548 [Mayank]
    • Record rule error for STUCK rule if rse_expression excludes lock_rse in the meanwhile #7538 [Riccardo]
    • Rework OIDC user authentication #7310 [Anil]
    • Dependencies: deprecate setup.py and move to pyproject.toml #6971 [Riccardo]
  • Done
    • Policy Package FAQ & emphasis on important details #494 [Riccardo]
    • Traces : No gateway for traces #7256 [Maggie]
  • Delayed
• Miscellaneous
  •  

15:55 → 16:00 AOB