RoomTempMQTTConsumer

A MQTT client that consumes and saves metric data sent from the MXChip AZ3166 IoT Devkit see RoomTempDevice-MQTT. For viewing the metrics in a browser see RoomTempDashboard

Getting Started

These instructions will get your clone of RoomTempMQTTConsumer up and running on your local machine for development.

Clone this repository.

git clone https://github.com/SeanoNET/RoomTempMQTTConsumer.git

• Download and install .NET Core 3.1+
• cd /RoomTempMQTTConsumer/src
• dotnet restore
• dotnet build
• Create appsettings.json file see Configuration
• dotnet run

Configuration

Create and configure the MqttClient and the Postgres DataSource connection string in appsettings.json.

Name	Description
ClientId	The MQTT device client id
MqttServerIp	The MQTT broker server IP
MqttServerPort	The MQTT broker server port
MqttSubscribeTopic	The MQTT topic if using the RoomTempDevice-MQTT this will be the same topic set in topic
DataSource	MSSQL connection string

appsettings.json

{
  "ClientId": "metric-consumer",
  "MqttServerIp": "localhost",
  "MqttServerPort": "1883",
  "MqttSubscribeTopic": "home/room/temp-mon/data",
  "DataSource": "Host=dbdata;Database=MQTT;Username=postgres;Password=St0ngPassword1!;"
}

Running locally in Docker

Install Docker and Docker Compose

Running in Docker Compose

Create docker-compose.yml

version: '3'

services:

  consumer:
    build: .
    image: roomtempmqttconsumer
    environment:
      DataSource: Host=dbdata;Database=MQTT;Username=postgres;Password=St0ngPassword1!;
      ClientId: metric-consumer
      MqttServerIp: mqtt
      MqttServerPort: 1883
      MqttSubscribeTopic: home/room/temp-mon/data
    depends_on:
        - mqtt
        - dbdata
  mqtt:
    image: eclipse-mosquitto:1.6
    ports:
        - 1883:1883
        - 9001:9001
    volumes:
        - mosquitto:/mosquitto/data
        - mosquitto:/mosquitto/log eclipse-mosquitto
  dbdata:
    image: postgres:12
    ports:
    - 5432:5432
    environment:
        POSTGRES_PASSWORD: St0ngPassword1!
    volumes:
        - dbsql:/var/lib/postgresql/data
  dashboard:
    image: seanonet/roomtempdashboard:latest
    ports:
        - 5000:5000
    environment:
        DataSource: Server=dbdata;Database=MQTT;User Id=sa;Password=St0ngPassword1!;
        ASPNETCORE_URLS: http://0.0.0.0:5000

volumes:
    mosquitto:
    dbsql:

Start the stack with docker-compose up --build

Running Stack in Production on Swarm

For running in production see RoomTempStack

MQTT device

To send data to this consumer see RoomTempDevice-MQTT or you can test with MQTT Explorer