healthcheck_notebook.sh

#!/bin/bash

# Healthcheck 20200428

#jupyter --help
#jupyter notebook --help
#jupyter notebook list
#Currently running servers:
#http://0.0.0.0:8888/python/user/vre_buurmanmarineixxx/ :: /home/jovyan/work

# This will be checked:
OUTPUT=`jupyter notebook list`

#echo "OUTPUT: $OUTPUT"
#echo "JUPYTERHUB_USER: $JUPYTERHUB_USER"
#echo "BASE_URL: $BASE_URL"
#echo "Checking..."

### Check for username
RESULT_USERNAME="false"
if [[ $OUTPUT == *"$JUPYTERHUB_USER"* ]]; then
  echo "JUPYTERHUB_USER there: $JUPYTERHUB_USER"
  RESULT_USERNAME="true"
else
  echo "JUPYTERHUB_USER missing: $JUPYTERHUB_USER"
  exit 1
fi
echo $RESULT_USERNAME

### Check for BASE_URL:
RESULT_BASE_URL="false"
if [ -z ${BASE_URL+x} ]; then
  echo "No BASE_URL set, omitting this check."
  RESULT_BASE_URL="true"
elif [[ $OUTPUT == *"$BASE_URL"* ]]; then
  echo "BASE_URL there: $BASE_URL"
  RESULT_BASE_URL="true"
else
  echo "BASE_URL missing: $BASE_URL"
  exit 1
fi
echo $RESULT_BASE_URL

### Check the exit code
RESULT_EXITCODE=-99
jupyter notebook list
RESULT_EXITCODE=$?
echo "Exit code: $RESULT_EXITCODE"

exit $RESULT_EXITCODE