BiLD-Dev

Name: BiLD-Dev
Start: 2019-11-28T10:00:00+01:00
End: 2019-11-28T11:45:00+01:00
Location: CERN

Thursday 28 Nov 2019, 10:00 → 11:45 Europe/Zurich

2-R-014 (CERN)

Federico Stagni (Conseil Europeen Recherche Nucl. (CERN)-Unknown-Unknown)

Description

Bi-Weekly "Loyal" DIRAC developers meeting. And, following, the LHCbDIRAC developers meeting.

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Bi-weekly DIRAC Development meeting -- 28/11/2019

At CERN: Federico, Zoltan, Christophe, Alexandre, Andre', Marko, Christopher
On Vidyo: Xiaomei, Ueda, Hideki, Yugi, Daniela

Apologies: Andrei

Follow-up from previous meeting

Marko will check (and contact Andrei) on how to use GitHub releases for announcing new releases (no -pre)
no follow up for payload isolation issues and discussions, will come up again.

DIRAC communities roundtable

CLIC:
- FTS: opened connections triggered this PR: https://github.com/DIRACGrid/DIRAC/pull/4334 which was merged in v6r22p15
  - Wiki to be opened for this possible change in bashrc
    - Created issue https://github.com/DIRACGrid/DIRAC/issues/4351 (not specific to CLIC...)
LHCb:
- NTR
Belle2:
- Still running with v6r21. Trying r22 in the coming weeks
- looking at python 3 compatibility
FranceGrilles:
- Moved to v7r0, but still sending Pilot2 7 weeks ago
  - M2Crypto flag off, will be turned on
- Asked Lyon T1 to start a ElasticSearch service
Juno+Bes3
- interested in AAI, Indigo IAM interaction
GridPP
- NTR

Current situation

DIRAC

v6r22:
- Mostly fixes, beware of possible new option to set in server bashrc (see release notes)
v7r0:
- Last tag v7r0p5 created.
  - more logic for MP jobs, e.g. for partitioning many-core nodes with PoolCE
v7r1:
- NTR
v7r2:
- NTR

VM:

WebApp:

new PR with 2 new pages:
- Downtime calendar (connected to RSS)
- Space occupancy (table for showing the SE occupancy, also taken from RSS)

Pilot3:

DIRACOS:

Documentation

OAuth2:

tornado and other externals

Release planning, tests and certification

Release planning:

v6r22 series
- few simple PRs ready to be merged
v7r0 series
- MP fixes
- backporting of docker tests should be cherry-picked
v7r1 series
- NTR
Integration (and v7r2)
- MultiVO DFC PR: need last review from Zoltan

Certification process:

Weekly development(s) focus

CHEP over, some impressions:

VOMS -> INDIGO IAM in WLCG
- DIRAC will need to take care, in 2020
- test instances already out for INDIGO IAM
  - dteam? if there we can start thinking about using it in DIRAC certification (not too soon...)
interaction with CRIC will be added
HPCs and DIRAC:
- pilot scheduling
- matching, also for new architectures

DIRAC: current PRs and tasks being worked on, or topics from Google forum

some comments added directly in PRs
GitHubActions checks backported to v7r0: will be finalized tomorrow
after we can start merging several PRs
Chris will doom the SEPrefix (https://github.com/DIRACGrid/DIRAC/issues/4227) as there were no replies to the ticket.

AOB

Next DUW at KEK, 25-29 May 2020. Registration not yet open: fee is not yet finalized.

Next BiLD in 2 weeks from now.

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LHCb

https://docs.google.com/document/d/1U4DR-n7Omv4oKOmUaqvXkCTazsgGJG1ybfZYmat8Z9Y/edit?ts=5d8241f4
- document with a collection of operations, mostly for DB
- Oracle will also need to be updated, maybe later
  - unclear what are the IT plans
- In the meantime: migrate slowly all our voboxes to CentOS7, with v6r22+DIRACOS
  - Chris: started re-shuffling the puppet templates
- A new VM for testing VMDIRAC is needed
Deployment: we can start the new way to deploy to CVMFS also production releases, in parallel with the old one (which will keep being the default)
- full switch from v10r0
LHCbDIRAC docker container: PR created, OK to support such client, need to agree where to store it (docker hub? lhcb nexus repo?)
LHCbDIRAC v10r0:
- Hackathon next week, Thursday at 10
  - need to verify especially the BKK web interface

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