node-red-contrib-natsstreaming

Node-RED nodes for nats streaming

Installation

npm install node-red-contrib-natsstreaming

Or in NodeRED Manage palette and serarch for node-red-contrib-natsstreaming

Requirements

Needs an instance of nats streaming to publish messages or subscribe to a topic https://nats.io/

Usage

Publish

Every publish node needs

• a nats server
• a channel name
• a client id

If everything is correct the node shows a green dot otherwise an error messege will show what is missing and the dot is red.

Subscribe

The subscribe node needs the same basic settings

• a nats server
• a channel name
• a client id

This node will also show a green dot if it is connected and a red one if not.

Server

The configuration for a nats streaming server is saved in an NodeRED configuration node. Adding a new one can be done from a publish or subscribe node by clicking selecting Add new nat-straming-server... and clicking on the pen icon.

The server needs

• a nats server adress - default is localhost
• a port number - default is 4233
• a name of the cluster - default is test-cluster