Conference call notes 20170609

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Notes on the 78th EasyBuild conference call, Friday June 9th 2017 (5pm - 6.pm CET)

Attendees

Alphabetical list of attendees (5):

• Damian Alvarez (JSC, Germany)
• Fotis Georgatos (Illumina, UK)
• Kenneth Hoste (HPC-UGent, Belgium)
• Alan O'Cais (JSC, Germany)
• Davide Vanzo (Vanderbilt University)

Agenda

• outlook to EasyBuild v3.3.0
• PR to add support for --detect-loaded-modules
  • https://github.com/hpcugent/easybuild-framework/pull/2228
• PR to add support for renaming sources on download
  • https://github.com/hpcugent/easybuild-framework/pull/2223
• update on working towards SHA256 checksums everywhere
• Q&A

Notes

EasyBuild v3.3.0

• overview of already merged changes:
  • framework: https://github.com/hpcugent/easybuild-framework/milestone/46?closed=1
  • easyblocks: https://github.com/hpcugent/easybuild-easyblocks/milestone/38?closed=1
  • https://github.com/hpcugent/easybuild-easyconfigs/milestone/41?closed=1
• ETA week of June 19-23

SHA256 checksums

• Travis config changed to get list of touched files in PRs
• towards enforcing SHA256 checksums in PRs
• test reports for PRs with --stop=fetch --upload-test-report to verify checksums
• Fotis: bypass checksum verification by using --try-software-version...
  • required for cuDNN, upstream tarballs are fingerprinted?
  • Fotis: better to have dedicated --skip-checksums option?
  • Davide: also need a way to tell EB to ignore checksums for specific easyconfigs?
  • Fotis: support for providing site-specific checksums?

--detect-loaded-modules

• https://github.com/hpcugent/easybuild-framework/pull/2228
• include supported values for --detect-loaded-modules in error message?
• also include link to documentation?
• should we ignore EasyBuild by default?
  • by default: --allow-loaded-modules=EasyBuild
  • what if EasyBuild module, but different EasyBuild installation is loaded?

Support for renaming sources on download

• https://github.com/hpcugent/easybuild-framework/pull/2223
• PR will probably go in without support for specifying checksums within sources parameter for now, can be enhanced later
• Damian has some feedback on exact names for dict keys, currently: filename, extract_cmd, download_filename

Other

• performance issue with excessive use of module use: https://github.com/hpcugent/easybuild-framework/issues/2226
  • may also get tackled for EasyBuild v3.3.0...
• Alan: no word yet on EasyBuild tutorial for SC17
  • due June 15th, cfr. http://sc17.supercomputing.org/submitters/tutorials/
  • Davide may be attending SC17 as well, and is up for helping out if it gets accepted
• Davide: plotting support doesn't work with R installed on top of X11
  • see capabilities() in R shell
  • R is being configured with --with-x=no O_o
    • see also https://github.com/hpcugent/easybuild-easyconfigs/pull/4641#issuecomment-305089845
  • PR to fix this coming up by Davide
• Fotis: R v3.4.0 is failing because JasPer is failing to install?
  • due to LaTeX related problem?