Node-RED nodes for nats streaming
npm install node-red-contrib-natsstreaming
Or in NodeRED Manage palette and serarch for node-red-contrib-natsstreaming
Needs an instance of nats streaming to publish messages or subscribe to a topic https://nats.io/
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.
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.
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