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leak_monitoring_app

Environment

Machine:

  • Laptop
    • CPU: Intel(R) Core(TM) i7-8665U CPU @ 1.90GHz
    • Arch: amd64
    • OS: Ubuntu 18.04.5 LTS (Bionic Beaver)
  • Raspberry Pi 3 B+
    • CPU: ARMv7 Processor rev 4 (v7l)
    • Arch: armhf
    • OS: Raspbian GNU/Linux 10 (buster)

System:

  • Docker: 19.03.14
  • Docker Compose: 1.27.4

In containers:

  • Python: 3.7.9
  • Nginx: 1.19.4
  • EMQ X Broker: 4.2.2

EMQ X Broker

Port Description
1883 MQTT/TCP protocol port
11883 MQTT/TCP Protocol internal port, only used for local client connection
8883 MQTT/SSL protocol port
8083 MQTT/WS protocol port
8084 MQTT/WSS protocol port
18083 EMQ X Dashboard (emqx_dashboard)
8081 HTTP API (emqx_management)

Python dependency management

Poetry version 1.1.4

Firewall managemanet

Using UFW (Uncomplicated Firewall) to configure iptables.

Install UFW if it doesn't exist on system.

sudo apt install ufw

Startup UFW:

sudo ufw enable

Export application profile of UFW for this project, then copy to /etc/ufw/applications.d (require root permission).

make exports-ufw-profile

Apply application profile to UFW:

sudo ufw allow ndlm_leak_monitoring_app

Show firewall status:

sudo ufw status verbose

Firewall status:

狀態: 啓用
日誌: on (low)
Default: deny (incoming), allow (outgoing), deny (routed)
新建設定檔案: skip

至                          動作          來自
-                          --          --
80,443,1883,8883/tcp (ndlm_leak_monitoring_app) ALLOW IN    Anywhere                  
80,443,1883,8883/tcp (ndlm_leak_monitoring_app (v6)) ALLOW IN    Anywhere (v6)

Env files for Docker Compose

You need to create Env files manually in docker/env folder. See example contents in docker/env_example.

Deploy as systemd service on Raspberry Pi

We create the systemd service template for Docker compose, see config/systemd/[email protected].

To deploy application as systemd service, execute the follow command first:

make deploy-systemd-service

It will build Docker images and copy docker-compose.yml & Env files to /etc/docker/compose/ndlm_leak_monitoring_app

Then start docker-compose@ndlm_leak_monitoring_app. service& enable it to start on boot.

make systemctl-start
make systemctl-enable

The service requires docker.service, please check docker.service is to start on boot.