Rucio Meeting

Thursday 28 Apr 2022, 15:00 → 16:00 Europe/Zurich

4/S-030 (CERN)

Martin Barisits (CERN)

1 News

• Next meeting: May 5th
  • Martin will be back!
• Jupyterlab plugin
  • Push to get it into production for SWAN
  • Needs continued maintainance, feature extensions
  • Seeking maybe QT, also very open to alternative suggestions

2 Community News & DevOps roundtable

• ATLAS
  • No news
• CMS
  • No news
• Belle II
  • Starting implementing Belle-II unit tests
    • Tests failing because ATLAS-specific
• FNAL/DUNE/Rubin
  • DUNE Data Challenge mid-June/July
    • both in terms of volume and files  (at expected production level)
  • pending 1.26 to next LTS
  • setting up Rubin's deployment
• ESCAPE
  • upgraded to 1.28.2
  • migration from third-party-copy to third-party-copy-{read|write} activities
    • old column not used in 1.28 anymore
  • wan/lan for third-party-copy?
  • Jupyterlab dependency >1.26
• SKAO
  • No news
• Multi-VO
  • No news

3 Hot topics

•  

4 Developers roundtable

• Rucio 1.29 "Into the donkeyverse" progress tracking
  • In Progress​​
    • Hermes 2 evolution #4610 [Cedric]
    • Add session object to API layer #5439 [Radu]
    • boto vs boto3 #5346 [James, Mario]
    • Further ingetragtion of CMS-style consistency checking #5438 [Igor]
    • Fix client API documentation page #5444 [Joel]
    • Reduce logging of server & daemons #5449 [Mayank]
      • script to map raw logs, waiting for MONIT
    • Authentication workflows in WebUI 2.0 #5135 [Mayank]
      • stuck on setting up base repo for webui
    • Migration of SQLAlchemy queries to new query syntax (1.4 -> 2.0) #5247 [Yuyi, ALL]
      • ongoing (sessions.py)
      • not yet too scary :-)
      • Radu: also work on transfer part? how to enable warnings

        • SetEnv PYTHONWARNINGS always::DeprecationWarning
          SetEnv SQLALCHEMY_WARN_20 1
          https://docs.sqlalchemy.org/en/14/changelog/migration_20.html

    • Add python 3.10 tests to CI framework. #5145 [Mayank]
      • ongoing, by next week
  • In Review
    • Further OIDC and SSO optimization and documentation #5437 [Rizart]
    • Operators for metadata for Oracle #5503 [Rizart]
    • Re-factor/cleanup deletion workflow #5442 [Radu]
      • basically finished
    • re-evaluate the greedy = 1TB constant #5358 [Cedric]
  • Done
    • mypy static code analysis #4455 [Mayank, Ben, Joel]
      • CI changes (flake8-annotations added) incoming [Joel]
      • 11k missing annotations
    • Clean dead code in the probes (ATLAS and common) #83 [Eric, Dimitrios]
    • Flag transfer errors coming from tape sources #5410 [Radu]
    • Remove author list from headers [Martin, Joel]
    • new add_header mechanism + CI job
  • Todo
    • Create a contributor guide for probes #84 [Dimitrios]
    • Adherence to rule grouping dependent on order of ATTACH #5251 [Igor]
    • Create a server/daemon installation howto #5445 [Joel]
    • Remove old readthedocs documentation once the new one is fully operational #5446 [Joel, Martin]
    • Add symlinks for the new daemon names #5131 [Joel]
      • Prepare a clear list of changes which need to be made to use new daemon names #5132 [Joel]
    • Reduce core component tickets to less than 10 [Mario, Martin, Gabriele]
    • Document and cleanup discrepancies between surl and lfn2pfn algorithms #5129 [Martin]
    • Unable to Delete File DID via Undertaker #5154 [Martin]
    • Removal of Python 2.7 dependencies from the code #5435 [Martin]
    • Ticket Cleanup Marathon [Martin, All]
    • Reduce rule tickets to les than 10 [Martin]
    • Create developers testing guide in the documentation #5452 [Mayank, Joel]
      • Ben working on sub-task to test locally
    • Remove direct DB dependence from the WebUI #4319 [Mayank]
    • Calculation of container length and events #5422 [Radu]
    • Further integration of temporary tables to other major workflows #5441 [Radu]
    • Remove full_mode switch from conveyor-receiver #5453 [Radu]
    • Exchange of function-based indices with normal indices #5440 [Radu, Mario, Martin]
    • Introduce heartbeat handler to all daemons #5443 [Radu, ALL]
    • Re-work/cleanup distance table #5454 [Radu]
    • Create documentation page for S3-type storage #5450 [Rizart]
      • Exists as GGDoc (#5284)
    • Add support for S3 virtual hosted buckets #5451 [Rizart]
      • Test on-premise
      • Ongoing support issue with AWS/Fresno X.509 shenanigans
    • Update/Re-design core.meta module #5224 [Rob]
    • Merge list_dids and list_dids_extended methods #5448 [Rob]

5 AOB

• GitOps Workshop: https://indico.cern.ch/event/1145174/
  • Recording https://videos.cern.ch/record/2295812
• S&C Round Table https://indico.jlab.org/event/505/#day-2022-05-03
  • Managing User Communities Workflows With DIRAC
  • PanDA Evolution for Atlas and Beyond
• paramiko
  • crypto dependency? with deprecation warning
  • unit test: error log assert vs warning printout
  • three solutions :-)
    • waiting for upstream fix
    • joel fix
    • radu fix