Shell script which help to create a dynamic json file and run python script based on the arguments

kep.sh

#!/bin/bash
# @author: Keshav Mohta
# file use to pump events using python script; this shell script help to build the required json data
# call as `sh kep_flag.sh -a <appName> -e <event> -t <eventType> -h <hostname>`
# example sh kep_flag.sh  -a "Magento" -e "Attack" -t "Buffer Error"  -h "20.20.1.47"
# event = Attack | Threat | File|
# appName: Magento | Sap | OpenText | Nginx | Tomcat | Wondercare
# eventType
# Attack : "ReflectiveXSS" | "File Integrity" | "SQLi"| "Spectre" | "DLLi" | "CSRF" | "CMDi" | "Buffer Error"
# Threat: "ReflectiveXSS" |  "File Integrity" | "CSRF" |
# content of  additional sh file such as m.sh
# #########
#!/bin/bash
# # Magento root ID list
# export APPID=100103
# export AIID=5
# export SID=200203
# export PID=300303
# ##################

if [ $# -lt 1 ]; then
    echo "Your command line contains $# arguments"
    exit 1
fi

while getopts a:e:h:t: option
do
 case "${option}"
 in
 a)
    APP_NAME=${OPTARG}
    ;;
 e)
    EVENT=${OPTARG}
    ;;
 h)
    HOST=${OPTARG}
    ;;
 t)
    EVENT_TYPE=${OPTARG}
    ;;
 \?)
    echo "Invalid option: -$OPTARG" >&2
    exit 2;;
 esac
done

count=$(gshuf -i 2-50 -n 1) #generate random number

# application wise addition  details

if [ "$APP_NAME" == "Magento" ]; then
    source app/m.sh
fi

if [ "$APP_NAME" == "Nginx" ]; then
    source app/n.sh
fi

if [ "$APP_NAME" == "OpenText" ]; then
    source app/o.sh
fi

if [ "$APP_NAME" == "Sap" ]; then
    source app/s.sh
fi

if [ "$APP_NAME" == "Tomcat" ]; then
    source app/t.sh
fi

if [ "$APP_NAME" == "Wondercare" ]; then
    source app/w.sh
fi

json_data=$(cat <<EOF
{
    "type_of_event": "$EVENT",
    "cronus_event_type": "$EVENT_TYPE",
    "count": "$count",
    "time_interval": 1,
    "start_time": "",
    "application_name": "$APP_NAME",
    "application_id": $APPID,
    "AI_id": $AIID,
    "AI_name": "AppInstance_New",
    "applicationService_id": $SID,
    "process_id": $PID,
    "AE_id": 1234,
    "AE_name": "AnalysisEngine_new",
    "Canary_id": 4424,
    "Time_Out":"False"
}
EOF
)
echo "$json_data";

echo "$json_data" > incident.json

python3 ./KEP.py --zeus-host-ip="$HOST" --zeus-port=9092 --master-json=incident.json