Use Heartbeat extension with HiveMQ Kubernetes Operator
Instructions
Get a local copy of the Helm chart.
This will download the chart of the version $CHART_VERSION and untar it to the subdirectoryhivemq-operator
:helm pull hivemq/hivemq-operator --version $CHART_VERSION --untar
Hint: To download the latest chart version, omit the option
--version $CHART_VERSION
. To learn more about chart versions refer to the article https://hivemq.atlassian.net/wiki/spaces/KB/pages/2406449153.Update dependencies in the chart’s directory.
This command verifies that the required charts, as expressed in 'Chart.yaml', are present in 'charts/' and are at an acceptable version. It will pull down the latest charts that satisfy the dependencies, and clean up old dependencies.helm dependencies update hivemq-operator
Hang tight while we grab the latest from your chart repositories... ...Successfully got an update from the "hivemq" chart repository ...Successfully got an update from the "prometheus-community" chart repository Update Complete. ⎈Happy Helming!⎈ Saving 1 charts Downloading kube-prometheus-stack from repo https://prometheus-community.github.io/helm-charts Deleting outdated charts
Edit operator templates, and update the livenessProbe’s declaration.
Edit the operator templates:
hivemq-operator/operator-tmpls/cluster-daemon-set.yaml
hivemq-operator/operator-tmpls/cluster-deployment.yaml
hivemq-operator/operator-tmpls/cluster-stateful-set.yaml
Find the existing declaration of the livenessProbe:
Replace with the new declaration of the livenessProbe:
Get the values.yaml file for the hivemq-operator of the version $CHART_VERSION:
Hint: To download from the latest chart version, omit the option --version $CHART_VERSION. To learn more about chart versions refer to the article https://hivemq.atlassian.net/wiki/spaces/KB/pages/2406449153.
Edit the
my-values.yaml
file:Add the heartbeat extension to the end of the
hivemq.extensions
array:Add the heartbeat port to the end of the
hivemq.ports
array:
Using Helm, install hivemq-operator from the local directory
hivemq-operator
which is containing updated operator templates, and use the updatedmy-values.yaml
:When the hivemq-operator and hivemq pods are ready, monitor the event.log: