APPUiO Cloud

OpenShift 4.11 and User Workload Monitoring

20. Dez 2022

APPUiO Cloud users are now able to monitor their applications on their own!

APPUiO Cloud has been upgraded to OpenShift 4.11 and thanks to User Workload Monitoring, users are now able to monitor their applications on their own and get notified when something needs attention.

APPUiO Cloud now runs on OpenShift version 4.11. Both zones – LPG 2 and Exoscale CH-GVA-2 0 – have been updated in the past two weeks.

Users might notice some warnings when deploying things to APPUiO Cloud or when updating existing workloads. Those warnings come from Pod Security Admission. The Kubernetes community is changing how pod security is handled, and Pod Security Admission got introduced with Kubernetes 1.24, which is part of OpenShift 4.11. You will find more on the subject at our Pod Security Admissions documentation page.

As far as we understand, future versions of Kubernetes will change again and those warnings will likely become errors. Therefore we suggest to look into them sooner rather than later.

…and now that the administrative stuff has been taken care of, let us continue with the exciting stuff:

Thanks to functionality introduced in OpenShift 4.11, we are now able to offer you User Workload Monitoring. This feature allows APPUiO Cloud users to monitor their applications on their own.

Users can now collect metrics of applications and write alerts based on the collected metrics. A how-to on how to do so can be found at Monitor Application With Prometheus. Additionaly, users can now access metrics relevant to their application, which are collected by the cluster monitoring, and thus so far were not accessible to end users. Monitor PVC Disk Usage explains how this can be used to monitor disk usage of persistent volumes. It is also possible to access metrics on memory, CPU usage and many things more.

Users who are interested in nice graphs can install an instance of Grafana for themselves and build informative and nice looking dashboards depicting the metrics of their applications. See the Custom Grafana documentation for details how this can be achieved.

Others do not want to constantly look at dashboards to see whether something is broken, chosing to get notified when this is the case instead. This is also possible, as it’s now an option to not only write your own alerts but also individual alert routes and get email or chat messages when something is in need of attention. Configure Alert Receivers teaches how to do this.

User Workload Monitoring is a long-awaited feature, and we hope that it will make an impact for many APPUiO Cloud users.

What’s next?

We are currently working towards user self registration for APPUiO Cloud. This allows new users to register for APPUiO Cloud all by themselves without having to talk to one of our sales representatives. A milestone within that initiative will be User invitation.

Christian Häusler

Christian Häusler ist ein Product Owner bei VSHN.

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