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  1. Create a new namespace
    kubectl create namespace hivemq

  2. Set the namespace as the default
    kubectl config set-context --current --namespace=hivemq

  3. You can confirm your namespace using the following

    Code Block
    kubectl config view --minify -o jsonpath='{..namespace}'

Add Helm repository

To use the HiveMQ Kubernetes Operator to deploy and manage your HiveMQ cluster on the Kubernetes nodes, you need to add the HiveMQ Helm repository to your Helm installation:

...

Code Block
helm show values hivemq/hivemq-operator > values.yaml

Add a License

Please skip this step if you are using a HiveMQ trial license. If you do not have a valid HiveMQ license, the HiveMQ cluster uses a trial licence that allows up to 25 concurrent client connections and is limited to testing and evaluation purposes only. To obtain a HiveMQ licence that is suitable for production use, or request an evaluation licence that allows more connections, contact our customer service team.

If you have a valid HiveMQ license, create a hivemq-license Kubernetes ConfigMap from your licence file to make the licence information accessible for the HiveMQ deployment you execute in the next step.

Move the license to

Please replace hivemq-license.lic with your license name.

Code Block
kubectl create configmap hivemq-license --from-file=hivemq-license.lic

Open your values.yaml file in a text editor

Search the hivemq-license configmap

Code Block
configMaps: []
  # ConfigMaps to mount to the HiveMQ pods. These can be mounted to existing directories without shadowing the folder contents as well.
  #- name: hivemq-license
  #  path: /opt/hivemq/license

Uncomment the name and path variables, please make sure that name and path are properly aligned under configMaps

Code Block
configMaps:
  # ConfigMaps to mount to the HiveMQ pods. These can be mounted to existing directories without shadowing the folder contents as well.
  - name: hivemq-license
    path: /opt/hivemq/license

Save the file

Apply the changes to the cluster

Code Block
helm upgrade hivemq --install hivemq/hivemq-operator --values values.yaml

Verify License

Please make sure that pods are running successfully after the change, it may take some time for the pods to be ready

Code Block
kubectl get pods

Check the Hivemq deployment log by running the following

Code Block
kubectl logs deployments/hivemq | grep license

  • If the log contains something similar to INFO - Using valid XYZ license, the license is successfully applied.

  • If the license is not correctly applied, you will see the following in logs

    Code Block
    INFO  - No valid license file found. Using trial license, restricted to 25 connections.