create_JupyterLab_kernel.sh

#!/bin/bash
#title           :create_JupyterLab_kernel.sh
#description     :Script to create a spackified JupyterLab kernel conf and place it to NFS where it can be loaded by all users.   
#usage           :./create_JupyterLab_kernel.sh $BUILD-ENV
#==============================================================================

ENV=$1
CONF_PATH="/srv/$ENV/ebrains-spack-builds"

# load spack and spack repos
cp -r /srv/$ENV/spack/.spack ~
source /srv/$ENV/spack/share/spack/setup-env.sh
spack repo add $CONF_PATH

# prepare the env file 
mkdir $CONF_PATH/bin
cat <<EOF > $CONF_PATH/bin/env.sh
#!/usr/bin/env bash
set -euxo pipefail
EOF

# load here all tools
spack load --sh -r nest@3.0 \ 
                   py-ipykernel \
                   %gcc@10.3.0 >>$CONF_PATH/bin/env.sh

# end of env creation
cat <<EOF >>$CONF_PATH/bin/env.sh
python -m ipykernel_launcher -f \$@
EOF
chmod +x $CONF_PATH/bin/env.sh
# create the new kernel's configuration file
mkdir $CONF_PATH/spack_python_kernel_release_20210930
cat <<EOF >$CONF_PATH/spack_python_kernel_release_20210930/kernel.json
{
 "argv": ["$CONF_PATH/bin/env.sh", "{connection_file}"],
 "display_name": "EBRAINS_release_20210930",
 "name": "spack_python_kernel_release_20210930",
 "language": "python"
}
EOF