https://github.com/kp45-tech/node-red-contrib-tdengine

tdengine connector plugin for node-red
https://github.com/kp45-tech/node-red-contrib-tdengine

Last synced: 14 days ago
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tdengine connector plugin for node-red

• Host: GitHub
• URL: https://github.com/kp45-tech/node-red-contrib-tdengine
• Owner: kp45-tech
• Created: 2021-01-14T11:28:06.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2023-10-09T07:18:35.000Z (about 1 year ago)
• Last Synced: 2024-09-07T09:11:49.958Z (2 months ago)
• Language: HTML
• Size: 3.92 MB
• Stars: 10
• Watchers: 2
• Forks: 4
• Open Issues: 3
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-tdengine - node-red-contrib-tdengine - TDengine connector plugin for Node-RED. (IoT)

README

        
This repositry create a custom Node-Red node for configing TDEngine server connection and execute SQL from preview node msg.payload

## Design

Use Taos data restful API to commit SQL, API call like

```

curl -H 'Authorization: Basic ' -d '' :/rest/sql/[db_name]

```

Input options:

* DB Server: Setup server connection or select a exist server

* DB Name: Database to execute SQL

Use [axios](https://axios-http.com/) to call http request

## Usage

1. Start Node-Red

2. Install TDEngine node

3. Add "taos query" node to workspace from palette 

4. Setup a TDEngine server and database name

5. Add function or other node to create SQL, put SQL into msg.payload

6. Link to "taos query" node

### Demo

1. Start Node-Red by docker

```

docker run -it -p 1880:1880 -v node_red_data:/data --name mynodered nodered/node-red

```

2. Import sample flow "demo/flow.json"

![import-flow](demo/ImportFlow.png)

3. Install TDEngine node by name "node-red-contrib-tdengine", current version is 0.0.2

![alt](demo/InstallTDEngineNode.png)

4. Modify your TDEngine server config

![alt](demo/ModifyServerConfig.png)

5. Edit test SQL

![alt](demo/EditTestSQL.png)

6. Start flow by click Inject node