Bind /eos/cms folder properly

mcm/json_layer/request.py

@@ -1444,6 +1444,8 @@ def get_setup_file2(self, for_validation, automatic_validation, threads=None, co
  '# Run in singularity container',
  '# Mount afs, eos, cvmfs',
  '# Mount /etc/grid-security for xrootd',
+ # Note the following line is also appended to the singularity run command
+ 'APPTAINER_BINDPATH=/afs,/cvmfs,/cvmfs/grid.cern.ch/etc/grid-security:/etc/grid-security,/eos,/etc/pki/ca-trust,/run/user,/var/run/user; '
  'singularity run -B /afs -B /eos -B /cvmfs -B /etc/grid-security -B /etc/pki/ca-trust --home $PWD:$PWD /cvmfs/unpacked.cern.ch/registry.hub.docker.com/cmssw/%s $(echo $(pwd)/%s)' % (cms_gen_os, cms_gen_file),
  '',
  ]