Custom HPC software & tools from Wirawan. Primarily tailored toward ODU HPC sytems.
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#!/bin/bash -l
jupyter_output=$(mktemp ~/.jupyter_output.XXXX)
clean_up() {
job_id=$(awk '/srun: job/ {print $3;exit}' $jupyter_output)
scancel $job_id
rm $jupyter_output
echo "Terminated SLURM job $job_id"
}
trap clean_up EXIT
set -m
OPT_HEADLESS=
HAS_TIME=
process_args() {
local arg args i
args=( "$@" )
for arg in "$@"; do
case "${args[i]}" in
(-t|--time|--time=*)
HAS_TIME=yes
;;
(-h|--headless)
OPT_HEADLESS=yes
continue
;;
esac
SLURM_ARGS=( "${SLURM_ARGS[@]}" "$arg" )
done
# FIXME: Can do more thorough arg checking later.
}
# Allow several choices:
# - anaconda3
# - anaconda2
# - python/2.7
# - python/3.x
enable_lmod
if ! module is-loaded slurm; then module load slurm; fi
if [ -n "$ANACONDA3_VER" ]; then
echo "Launching Jupyter for anaconda3 module version $ANACONDA3_VER"
elif [ -n "$ANACONDA2_VER" ]; then
echo "Launching Jupyter for anaconda2 module version $ANACONDA2_VER"
elif [ -n "$PYTHON_VER" ]; then
echo "Launching Jupyter for python module version $PYTHON_VER"
echo " * loading jupyter module"
if ! module is-loaded numpy; then module load numpy; fi
if ! module is-loaded ipython; then module load ipython; fi
if ! module is-loaded jupyter; then module load jupyter; fi
elif [ x"$PYTHON_VER" = x ]; then
PYTHON_VER_DEFAULT=3.6
echo "Warning: Loading default Python module version $PYTHON_VER_DEFAULT"
echo "Warning: Please load python and any needed python modules before launching juypter!"
echo "Example: "
echo " enable_lmod"
echo " module load python/3.6 # 2.7/3.7 is also avaiable"
sleep 5s
#enable_lmod
module load "python/$PYTHON_VER_DEFAULT"
echo " * loading jupyter module"
module load jupyter
fi
if [ -z "$(which jupyter-notebook)" ]; then
echo "Error: cannot find jupyter-notebook program" >&2
echo "Please contact site administrator with the following diagnosis:" >&2
echo
module avail
echo
echo "PATH=$PATH"
exit 1
fi
# FIXME::
SLURM_ARGS=( )
process_args "$@"
echo
if [ x"$HAS_TIME" != xyes ]; then
SLURM_ARGS=( -t 240 "${SLURM_ARGS[@]}" )
echo " jupyter server will be TERMINATED after 4 hour"
fi
echo " please do not close this terminal window, or jupyter will be terminated immediately"
echo
module list
echo " * launching jupyter notebook server"
(srun -n 1 -c 2 -J juypter "${SLURM_ARGS[@]}" jupyter-notebook --no-browser --port=$((8000 + $RANDOM % 1000)) --ip=0.0.0.0 2>&1 | tee $jupyter_output > /dev/null) &
echo " * waiting for Jupyter server to be ready ..."
for ((i=0; i < 600; ++i)); do
tokens=$(awk -F: '/ http:/ {print $3}' $jupyter_output)
if [ -n "$tokens" ]; then
break
fi
sleep 1s
done
if [ -z "$tokens" ]; then
echo "Error: Cannot find the Jupyter server URL!"
echo
echo "Dump of Jupyter process output:"
echo "-------------------------------"
cat $jupyter_output
echo
echo "Exiting due to error..."
exit 2
fi
# Don't use echo to avoid divulging the token (!!)
port=${tokens%/*}
token=${tokens#*token=}
# Look for the hostname where the server is running:
job_id=$(awk '/srun: job/ {print $3;exit}' $jupyter_output)
host=$(squeue -j $job_id -O NodeList -h | sed 's/ //g')
url="http://$host:$tokens"
echo " * SLURM job ID: $job_id"
if [[ -n "$DISPLAY" && "$OPT_HEADLESS" != yes ]]; then
echo " * launching browser"
(firefox $url 2>&1 )>/dev/null &
echo " if you close your browser, please the link use below to connect back"
echo " $url"
else
echo
echo "NOTE: Jupyter is running in a headless mode!"
echo "To connect, please keep an open connection from your local computer using:"
echo
echo " ssh -L 8888:$host:$port $USER@turing.hpc.odu.edu"
echo
echo "and point your browser to:"
echo
# https://stackoverflow.com/a/15229498/655885
cat <<EOF
http://localhost:8888/?token=${token}
EOF
echo
echo "(If ssh fails because local port 8888 is taken, use another number.)"
fi
wait