FAQs on auto scaling notification in ARO

Solution Unverified - Updated -

Environment

  • Azure Red Hat OpenShift 4

Issue

  • Is it possible to receive a notification each time when autoscaling works and a new worker node is added to the environment.
  • Is it possible to create an alert when the ARO cluster has been escalated to the maximum number of worker nodes defined.
  • Is there any way to review a historical report about the autoscaling behavior during X period of time.

Resolution

Yes, configuring alerts/notifications for Auto scaling can be possible. If metrics are exposed in cluster monitoring Prometheus, then they can create alerts via the new custom alertmanager systems.

This can be achieved by integrating ARO with Azure monitoring and Azure Log Analytics workspace. This Log Analytics workspace can be used to monitor events and activities in cluster and workload. Then alerts can be triggered based on specific rules and send notifications to ITSM, ServiceNow, Slack etc. The documentation can be referred for Azure Monitoring. Also the documentation can be referred to use Cluster Logging Forwarder in ARO with Azure Monitor.

Note : Please note that Red Hat will not be able to support if any issues occur during configuring Auto Scaling Notification in Azure RedHat OpenShift Cluster.

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