scripts: fix create-admin-scram-users to use .env

bin/create-admin-scram-users

@@ -16,12 +16,19 @@
 
 set -e;
 
-CONFIG_DIR=$(readlink -f $0 | xargs dirname)/etc
+DIR=$(readlink -f $0 | xargs dirname)
+CONFIG_DIR=$DIR/etc
+
+source $DIR/.env
 
 echo "Creating new user for SASL/SCRAM-SHA-[256|512]: (username:kafka, password:kafka) - This may take a few seconds..."
 docker run -it \
 --env KAFKA_OPTS="-Djava.security.auth.login.config=/etc/kafka/secrets/kafka_server_jaas.conf -Dzookeeper.sasl.clientconfig=ZkClient" \
 --network="host" \
 --mount type=bind,source=${CONFIG_DIR}/secrets/,target=/etc/kafka/secrets/ \
-confluentinc/cp-kafka:latest \
-/usr/bin/kafka-configs --zookeeper localhost:2181 --alter --add-config 'SCRAM-SHA-256=[iterations=8192,password=kafka],SCRAM-SHA-512=[password=kafka]' --entity-type users --entity-name kafka
+confluentinc/cp-kafka:${CONFLUENT_VERSION} \
+/usr/bin/kafka-configs --zookeeper localhost:2181 \
+--alter \
+--add-config 'SCRAM-SHA-256=[iterations=8192,password=kafka],SCRAM-SHA-512=[password=kafka]' \
+--entity-type users \
+--entity-name kafka