add redis password in swarm script

scripts/docker_swarm/.env.sh

@@ -51,6 +51,7 @@ export ADMIN_HOST=singa_auto_admin
 export ADMIN_PORT=3000
 export REDIS_HOST=singa_auto_redis
 export REDIS_PORT=6379
+export REDIS_PASSWORD=singa_auto
 export PREDICTOR_PORT=3003
 export WEB_ADMIN_HOST=singa_auto_admin_web
 export ZOOKEEPER_HOST=singa_auto_zookeeper
@@ -81,3 +82,5 @@ export IMAGE_KAFKA=wurstmeister/kafka:2.12-2.1.1
 # Utility configuration
 export PYTHONPATH=$PWD # Ensures that `singa_auto` module can be imported at project root
 export PYTHONUNBUFFERED=1 # Ensures logs from Python appear instantly
+
+export CONTAINER_MODE=SWARM

scripts/docker_swarm/start_admin.sh

@@ -56,6 +56,7 @@ title "Starting SINGA-Auto's Admin..."
   -e ADMIN_PORT=$ADMIN_PORT \
   -e REDIS_HOST=$REDIS_HOST \
   -e REDIS_PORT=$REDIS_PORT \
+  -e REDIS_PASSWORD=$REDIS_PASSWORD \
   -e KAFKA_HOST=$KAFKA_HOST \
   -e KAFKA_PORT=$KAFKA_PORT \
   -e PREDICTOR_PORT=$PREDICTOR_PORT \
@@ -70,6 +71,7 @@ title "Starting SINGA-Auto's Admin..."
   -e PARAMS_DIR_PATH=$PARAMS_DIR_PATH \
   -e LOGS_DIR_PATH=$LOGS_DIR_PATH \
   -e APP_MODE=$APP_MODE \
+  -e CONTAINER_MODE=$CONTAINER_MODE \
   -v /var/run/docker.sock:/var/run/docker.sock \
   $VOLUME_MOUNTS \
   -p $ADMIN_EXT_PORT:$ADMIN_PORT \

scripts/docker_swarm/start_redis.sh

@@ -36,7 +36,7 @@ title "Starting SINGA-Auto's Redis..."
 (docker run --rm --name $REDIS_HOST \
   --network $DOCKER_NETWORK \
   -p $REDIS_EXT_PORT:$REDIS_PORT \
-  $IMAGE_REDIS \
+  $IMAGE_REDIS redis-server --appendonly yes --requirepass $REDIS_PASSWORD \
   &> $LOG_FILE_PATH) &
 
 ensure_stable "SINGA-Auto's Redis" $LOG_FILE_PATH 2