#!/bin/bash

# echo commands to the terminal output
set -ex

# Check whether there is a passwd entry for the container UID
uid=$(id -u)
gid=$(id -g)

# turn off -e for getent because it will return error code in anonymous uid case
set +e
uidentry=$(getent passwd $uid)
set -e

# If there is no passwd entry for the container UID, attempt to create one
if [[ -z "$uidentry" ]] ; then
    if [[ -w /etc/passwd ]] ; then
        echo "$uid:x:$uid:$gid:anonymous uid:$SPARK_HOME:/bin/false" >> /etc/passwd
    else
        echo "Container ENTRYPOINT failed to add passwd entry for anonymous UID"
    fi
fi

exec /usr/bin/tini -s -- /usr/bin/spark-operator "$@"