run CMSSW from EL9

• compile the strict necessary (mostly Objects and Ntupliser)
  • CommonTools?
  • move Uncertainties/interface/Variation.h to Objects
  • move Objects/interface/Di.h to Darwin?
• CMSSW release for UL prod? (CMSSW_10_6_X)
• move handling of MetaInfo away from Ntupliser_cfg.py and Ntupliser.cc to mkNtuple (see example to upload a ROOT file that would contain the Metainfo)
• adapt mkNtuples to use singularity or docker (instructions from CAT & gitlab-profile!21 (closed))

added to epic &3

assigned to @paconnor

added To Do label

changed milestone to %Alma9 migration

changed the description

assigned to @lmoureau and unassigned @paconnor

removed To Do label

added Ongoing label

CMSSW release for UL prod? (CMSSW_10_6_X)

Some invalid scram syntax needs to be cleared out before this can happen

invalid scram syntax?

Can you elaborate? (I would have rather expected invalid C++ syntax or changes in ROOT...)

Old scram doesn't like ' for attributes and doesn't understand nested quotes escaped with \. Whenever scram encounters an error, it warns, stops reading the file and tries to compile anyway -- without adding the include paths for dependencies.

A tip from @jolange:

apptainer shell --containall /cvmfs/unpacked.cern.ch/gitlab-registry.cern.ch/cms-cloud/cmssw-docker/cc7-cms:latest

should suffice to use CMSSW.

mentioned in merge request !170 (merged)

marked the checklist item move Uncertainties/interface/Variation.h to Objects as completed

mentioned in merge request gitlab-profile!31 (merged)

marked the checklist item compile the strict necessary (mostly Objects and Ntupliser) as completed

marked the checklist item move handling of MetaInfo away from Ntupliser_cfg.py and Ntupliser.cc to mkNtuple (see example to upload a ROOT file that would contain the Metainfo) as completed

marked the checklist item adapt mkNtuples to use singularity or docker (instructions from CAT & gitlab-profile!21 (closed)) as completed

closed