Rucio Meeting

Thursday 13 Jun 2024, 15:00 → 16:00 Europe/Zurich

Dimitrios Christidis (CERN)

15:00 → 15:05 News

• Release schedule:
  • Rucio 34.4.3 and 32.8.2 are out.
    • Minor mishap with the latest tags on Docker Hub. 
  • Rucio 34.? on 24 June.
• Meeting schedule:
  • Weekly meeting in June. Likely biweekly in July and August.
• Welcome our CERN summer student Eric!

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

• ATLAS
  • Now running the web UI on Kubernetes as part of the CC7 migration.
• CMS
  • • Qustionable behaviour from the Reaper?
      • Monitoring suggests that some RSE usage counters might have become stuck. To investigate.
• Fermilab RUBIN
  • Modification of Hermes to work with Kafka.
  • Question: Conveyor Submitter has two parameters for grouping?
    • To ask on Mattermost.
• ALTO
  • Further development on the source selection.

15:25 → 15:55 Developers roundtable

Progress-2024-06-13.png

• Rucio 35 "Donkey and the Data Factory" roadmap
  • In Progress
    • Review operations where SSL verification is disabled #6632 [Dimitrios]
    • Use OpenID Connect Discovery #6414 [Dimitrios]
    • Make a table for all daemon and its functionality #296 [Hugo]
    • overwrite_when_only_on_disk #6581 [Hugo]
      • Waiting on fts deployment to support this feature
    • Prepare replacement of current policy import with policy packages #4798 [James]
      • ATLAS
        • Draft package exists - needs review
      • ESCAPE
        • Using the upstream one
        • Need to transform to a policy package
    • Webui 35 tracker 9/37 [Mayank]
    • Type annotate the code #6588 [Riccardo]
      • Can be set to DONE at any moment, best effort
    • Retire RSE limits #6629 [Erling, Dimitrios]
    • Create and populate common monitoring repository #6641 [Tim]
      • Collecting opinions!
      • https://github.com/Thysk/Rucio-Monitoring
  • In Review
    
    • Finalize SQLAlchemy 1.0 -> 2.0 syntax migration #6640 [Erling]
    • Re-write and standardization of client command structure #6639 [Maggie]
      
      • PR is out, please send comments!

• • Todo
    • Unable to Delete File DID via Undertaker #5154 [Alex]
    • factorize duplicate messaging code into a common module or class #6423 [Alex]
    • SUBSCRIPTIONS_HISTORY integrity error #6292 [Cedric]
    • Make new token support Multi-VO compatible #6406 [Dimitrios]
    • Allow for token providers other than IAM #6630 [Dimitrios]
    • Make WebDAV protocols on par with GFAL #6633 [Dimitrios]
    • bridge the gap between running rucio in demo env and full production deployment #187 [Enrique, Hugo]
    • Prevent multiple Reaper threads from working on the same replicas #6512 [Hugo]
    • Evaluate all TODO and FIXME comments #6642 [Martin]
    • Evaluate archive workflows for rules (Using an archive as a source) #6643 [Riccardo]
  • Done
    • Rename internal API layer to gateway #6644 [Erling] 
    • Formatting / style guide #287 [Riccardo, Dimitrios, Maggie]
    • Collect functional RSE attributes into a single file #6624 [Dimitrios, Mira]
    • Remove all instances of mutable objects (e.g. empty lists or dictionaries) as default parameter values #5169 [Erling]
    • Improving docstrings #6628 [Riccardo]
    • JupyterLab version (v3 to v4) update #27 [Francesc, Enrique]
  • Delayed
    • Testing: Client Only tests #6599 [Mayank, Maggie]
• Documentation corner
  • Changing auth_type should invalidate current Rucio authn token #321 [???]
  • Document environmental variables affecting the client #171 [Dimitrios]
  • 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 [Hugo, Giovanni]
  • Introduce documentation on subscriptions #190 [Cedric]
  • Document how deletion occurs. #288 [Anil]
  • Documentation for RSE settings #293 [???]
  • Documentation (developer): Add guidelines for testing API-related changes #322 [???]
  • Make a table for all daemon and its functionality #296 [Hugo]
  • Generate "Configuration parameters" documentation page automatically, to avoid mismatches between documentation and code #325 [???]
  • Document activities used by rucio-daemons #326 [???]
• Other topics
  • Expectations for SRM support in Rucio (from #6919):
    • ATLAS:
      • Currently only used for staging from tape.
      • Moving entirely to REST API.
    • CMS:
      • Same as ATLAS
    • DUNE:
      • Using SRM; need to see REST API mature.
    • None of the other communities that were present reported relying on SRM

15:55 → 16:00 AOB