Rucio Meeting

Thursday 24 Apr 2025, 15:00 → 16:00 Europe/Zurich

Martin Barisits (CERN)

15:00 → 15:05 News

• May meeting schedule
  • May-01 CANCELLED
  • May-08
  • May-15
  • May-22
  • May-29 CANCELLED
• May release schedule
  • Apr-28 37.2.0
  • May-12 37.?
  • May-19 32.8.6 LTS (possible delayed until Jun-09)
  • May-26 37.?

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

• ATLAS
  • Query instability of list_dids with wildcards #7682 (Specific to oracle)
    • Fixed by forcing a specific index
• CMS
  • Staging metadata
    • Check with Mihai on size limit
• Fermilab DUNE / RUBIN
  • DUNE authenticating with Tokens (User auth)
  • WLCG Bearer Token Discovery Guideline
    • Need to check why we were never pointed to this
    • Should be easy to implement in Rucio
  • X509 turned of at Fermilab in May
  • RUBIN - notices slowness in transfers
    • FTS service on different continent?
• EPIC / EIC
  • FTS transfer with crc32
    • Works out of the box when changing checksum type
  • Generic checksum in Rucio
• DaFab
• CERN IT
  • Prototype for AMS02
  • Next step to integrate in production workflows
• IHEP
  • New version of Rucio deployed (36) on testbed for HERD APIs
• HEPCCE

15:25 → 15:55 Developers roundtable

• Reflection about ongoing Sprint 1 (Sprint Board) [Martin]
  • Review & merging backlog -> have more people merge?
• Priority Followup for Rucio 38 "Donkirk" major release
  • Todo
    • factorize duplicate messaging code into a common module or class #6423 [Alex]
    • Developer Guidelines for Reviews, Testing Requirements #538 [Martin]
    • Add the possibility to archive metadata for deleted DIDs #5484 [Rob, Cedric]
    • Create a new API endpoint for the clients to request tokens #6638 [Dimitrios]
    • Implement new token authentication for download #7029 [Dimitrios]
    • Make 0 the top protocol priority #6312 [Dimitrios]
    • Improve handling of errors in Rucio REST API calls #39 [Enrique]
    • More useful client docstrings and CLI help messages #363 [Dimitris]
      • Would be good to make the Python Client documentation more structured?
    • cx_oracle -> python-oracledb dependency upgrade #6467 [Dimitris]
    • Re-Factor test infrastructure #7667 [Dimitris, Mayank, Riccardo]
    • Prevent multiple Reaper threads from working on the same replicas #6512 [Hugo]
    • EPIC: Handle DID schemas with / #548 [Mayank]
      • Prioritise for CMS
    • EPIC: Migration to NX Monorepo #549 [Mayank]
    • Add link to FTS transfers for rules #517 [Mayank]
      • Prioritise for CMS
    • EPIC: UX Improvements #547 [Mayank]
    • Fix static code analysis behaviour for functions decorated with @transactional_session, @read_session and @stream_session #6986 [Riccardo]
    • Run rucio/rucio integ tests for PRs in rucio/containers #310 [Riccardo]
    • Rucio dependencies in test environments should be installed the same way they are installed when Rucio is installed as a package #344 [Riccardo]
    • Merge rucio/rucio/etc/docker/ and rucio/containers/dev #7532 [Riccardo]
    • Plugins and policy packages: using plugin entry points for discovery? #7572 [Riccardo]
    • Record rule error for STUCK rule if rse_expression excludes lock_rse in the meanwhile #7538 [Riccardo]
    • Improve TEMP_UNAVAILABLE replica handling #7666 [Riccardo]
    • Add docs for daemon arguments #499 [Maggie]
    • race in token creation when running multiple clients on same host #7185 [Maggie]
    • Metrics API endpoint: include UNKNOWN sources #6565 [Maggie]
    • Update test/test_bin_rucio to use fixtures where applicable #7641 [Maggie]
  • In Progress
    • New CLI: Release 38 Bugs/Improvements #7658 [Maggie]
    • Integrate OIDC endpoints for Authorization Code Grant Type #507 [Mayank]
  • In Review
    • Rework OIDC user authentication #7310 [Anil]
    • Dependencies: deprecate setup.py and move to pyproject.toml #6971 [Riccardo]
    • Traces : No gateway for traces #7256 [Maggie]
  • Done
    • Policy Package FAQ & emphasis on important details #494 [Riccardo]
  • Delayed
• Miscellaneous
  • podman issue
    • On current version podman-compose does not work
      • docker-compoe file uses - instead of _ which breaks podman
      • Variable resolution does not work in podman
      • Check what needs to be done to get podman working again (in principle it is best effort)
  • Client docstrings
    • Dimitris workoing on updating the docstrings
    • Docstrings do not support markdown, it's sphinx based
    • Move over to numpy style docstrings?
      • Let's discuss on #developers
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15:55 → 16:00 AOB