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Harsh Bansal

Harsh Bansal

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Exposing ip via load balancer in the following steps makes it public. Please check out HiveMQ authentication and authorisation extensions to control client access and scope. https://www.hivemq.com/products/extensions/

Prequisite: A running HiveMQ Cluster Install HiveMQ on the AKS cluster

Enable load balancer

  1. Open values.yaml and search for port 1883 under hivemq.ports.port

    Code Block
    ports:
    - name: "mqtt"
      port: 1883
      expose: true
      patch:
        - '[{"op":"add","path":"/spec/selector/hivemq.com~1node-offline","value":"false"},{"op":"add","path":"/metadata/annotations","value":{"service.spec.externalTrafficPolicy":"Local"}}]'
        # If you want Kubernetes to expose the MQTT port to external traffic
        # - '[{"op":"add","path":"/spec/type","value":"LoadBalancer"}]'

  2. Uncomment and expose the loadbalancer

    Code Block
    ports:
    - name: "mqtt"
      port: 1883
      expose: true
      patch:
        - '[{"op":"add","path":"/spec/selector/hivemq.com~1node-offline","value":"false"},{"op":"add","path":"/metadata/annotations","value":{"service.spec.externalTrafficPolicy":"Local"}}]'
        # If you want Kubernetes to expose the MQTT port to external traffic
        - '[{"op":"add","path":"/spec/type","value":"LoadBalancer"}]'

  3. Save the file and apply the changes

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

  4. Check if the service for port 1883 has an external IP address now (in our case its hivemq-hivemq-mqtt)

    Code Block
    kubectl get services

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