test -s API_HOST || (echo "missing API_HOST, run the 'Configure Arvados' task"; exit 1)
test -s API_TOKEN || (echo "missing API_TOKEN, run the 'Configure Arvados' task"; exit 1)
export ARVADOS_API_HOST=$(cat API_HOST)
export ARVADOS_API_TOKEN=$(cat API_TOKEN)
if test -s $DIR/PROJECT_UUID ; then
    PROJECT_UUID="--project-uuid $(cat $DIR/PROJECT_UUID)"
fi