Frist: init code.

app-setting.sh

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+#!/bin/bash
+
+if [ -z $1 ]; then
+	echo "Please fill in app's name."
+	exit
+fi
+
+mv sdt-cloud-app.service $1.service
+sudo sed -i "s/sdt-cloud-app/$1/g" ./install.sh
+

config1.json

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+{
+    "topic": "performance",
+    "id": "sdt",
+    "password": "11223344",
+    "host": {
+        "address": "192.168.100.200",
+        "hostname": "sdt"
+    }
+}

config2.json

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+{
+	"hw": "intel",
+	"cpu": 12,
+	"memory": 32,
+	"gpu": "2080TI"	
+}

install.sh

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+#!/bin/bash
+
+set -e
+
+sudo sed -i "s/appName/$1/g" /usr/local/sdt/app/$1/sdt-cloud-app.service
+sudo cp /usr/local/sdt/app/$1/sdt-cloud-app.service /etc/systemd/system/$1.service
+sudo systemctl start $1
+sudo systemctl enable $1
+

main.py

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+import paho.mqtt.client as mqtt
+import json
+import argparse
+
+from datetime import datetime
+import time
+import yaml
+
+parser = argparse.ArgumentParser()
+parser.add_argument('-config',help='')
+args = parser.parse_args()
+
+with open(f'/usr/local/sdt/app/{args.config}/config.json', encoding='UTF-8') as f:
+    jsonData = json.load(f)
+
+
+# mqttc = mqtt.Client() # puclisher 이름
+# mqttc.username_pw_set("sdt", "251327")
+# mqttc.connect("13.209.39.139", 32259)
+while True:
+    print(f"Config value: {jsonData['topic']}", flush=True)
+    time.sleep(2)
+
+

sdt-cloud-app.service

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+[Unit]
+Description=sdt-cloud-app
+
+[Service]
+ExecStart=/usr/bin/python3 /usr/local/sdt/app/appName/main.py -config appName
+Restart=always
+RestartSec=10
+
+[Install]
+WantedBy=multi-user.target