Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways. It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes in the palette that can be deployed to its runtime in a single-click.
This charm deploys a basic Node-Red server on the desired port. It provides an HTTP interface with basic configuration options.
Also remember to check the [icon guidelines][] so that your charm looks good in the Juju GUI.
To deploy Node-RED run
juju deploy nodered
The download process may take a while. Check the current Juju status until you see the application up and ready.
juju status
Model Controller Cloud/Region Version SLA Timestamp
default test localhost/localhost 2.9.10 unsupported 14:57:18+02:00
App Version Status Scale Charm Store Channel Rev OS Message
nodered active 1 nodered local 6 ubuntu Ready
Unit Workload Agent Machine Public address Ports Message
nodered/5* active idle 5 10.115.103.100 1880/tcp Ready
Machine State DNS Inst id Series AZ Message
5 started 10.115.103.100 juju-41333b-5 focal Running
Expose the application:
juju expose nodered
Now you can browse the Node-RED app in the container IP and the configured port.
Node-RED is built on top of NodeJS. The installation of the NodeJS may require
a while. Afterwards, the installation uses npm to install Node-RED as
explained in the official guide.
It is possible to install the Node-RED snap package. Unfortunately, this may
result in additional problems when regards to install additional Node-RED
libraries as mentioned in the official guide.