Installing mqtt-datasource in Grafana

The mqtt-datasource plugin allows you to see live data from MQTT in Grafana. Here is a step-by-step guide on how to install it in the Grafana Helm Chart.

Instructions

1. Go to UMHLens / OpenLens and navigate to Helm -> Releases.
2. Change the Grafana section in the Helm Chart.
3. In the section extraInitContainers, add the following additional container:

extraInitContainers: 
 - args:
    - mkdir -p /var/lib/grafana/plugins
      && cd /var/lib/grafana/plugins
      && apk add mage --repository=http://dl-cdn.alpinelinux.org/alpine/edge/testing
      && apk add git
      && git clone https://github.com/grafana/mqtt-datasource.git
      && cd mqtt-datasource
      && yarn install
      && yarn build
    command:
    - /bin/sh
    - -c
    image: node:lts-alpine3.16
    imagePullPolicy: IfNotPresent
    name: init-mqtt-datasource
    securityContext:
      privileged: true
      runAsUser: 0
    volumeMounts:
    - mountPath: /var/lib/grafana
      name: storage