run

#!/bin/bash

set -eo pipefail


### configuration ######################################################
echo "
#Setting Jupyter configuration ... "
#jupyter notebook --generate-config
#CONFIG=$"$HOME/.jupyter/jupyter_notebook_config.py"
#if [ -f "$CONFIG" ]; then#
#
#    sed -i "s/c.NotebookApp.tornado_settings = {}/c.NotebookApp.tornado_settings = {'static_url_prefix':'\/notebook\/static\/'}/1" $CONFIG
#    sed -i -E "s/#\s?c.NotebookApp.tornado_settings/c.NotebookApp.tornado_settings/1" $CONFIG
#    echo "c.NotebookApp.tornado_settings = {'static_url_prefix':'/notebook/static/'}"
#fi


 set default ip to 0.0.0.0
if [[ "$NOTEBOOK_ARGS $@" != *"--ip="* ]]; then
  NOTEBOOK_ARGS="--ip=0.0.0.0 --NotebookApp.token=''"
fi

# Ensure that assigned uid has entry in /etc/passwd.

if [ `id -u` -ge 10000 ]; then
    cat /etc/passwd | sed -e "s/^$NB_USER:/builder:/" > /tmp/passwd
    echo "$NB_USER:x:`id -u`:`id -g`:,,,:/home/$NB_USER:/bin/bash" >> /tmp/passwd
    cat /tmp/passwd > /etc/passwd
    rm /tmp/passwd
fi

# Calculate login token from the supplied password.

if [ x"${JUPYTER_NOTEBOOK_PASSWORD}" != x"" ]; then
    NOTEBOOK_ARGS=--NotebookApp.password=`python -c "import notebook.auth; \
        print(notebook.auth.passwd(\"$JUPYTER_NOTEBOOK_PASSWORD\"))"`
    unset JUPYTER_NOTEBOOK_PASSWORD
fi

# Copy files into volume if specified and change notebook directory.

JUPYTER_NOTEBOOK_DIR=${JUPYTER_NOTEBOOK_DIR:-/home/$NB_USER/work}

if [ x"${PERSISTENT_VOLUME_ROOTDIR}" != x"" ]; then
    PERSISTENT_VOLUME_WORKSPACE=${PERSISTENT_VOLUME_WORKSPACE:-work}

    WORKDIR=${PERSISTENT_VOLUME_ROOTDIR}/${PERSISTENT_VOLUME_WORKSPACE}

    if [ ! -d ${WORKDIR} ]; then
        mkdir -p ${WORKDIR}
        cp -rp ${JUPYTER_NOTEBOOK_DIR}/. ${WORKDIR}
    fi

    JUPYTER_NOTEBOOK_DIR=${PERSISTENT_VOLUME_ROOTDIR}
fi

NOTEBOOK_ARGS="$NOTEBOOK_ARGS --notebook-dir=${JUPYTER_NOTEBOOK_DIR}"

cd ${JUPYTER_NOTEBOOK_DIR}

# Activate Python virtual environment if one exists in the volume.

if [ x"${PERSISTENT_VOLUME_ROOTDIR}" != x"" ]; then
    PERSISTENT_VOLUME_VIRTUALENV=${PERSISTENT_VOLUME_VIRTUALENV:-venv}

    VENVDIR=${PERSISTENT_VOLUME_ROOTDIR}/${PERSISTENT_VOLUME_VIRTUALENV}

    if [ -f "${VENVDIR}/bin/jupyter" ]; then
        source activate ${VENVDIR}
    fi
fi

# Start the Jupyter notebook instance.

exec /usr/local/bin/start-notebook.sh $NOTEBOOK_ARGS