OVN Recon 1.0: The Logical Side of OpenShift Networking

on November 15, 2026

Back in February I introduced OVN Recon, an OpenShift Console plugin that draws how a node’s interfaces, bridges, and networks connect. The roadmap in that post included : “Finish adding another view to visualize OVN components like logical switches and routers.”

That view is now available, and it brought a lot of friends. OVN Recon v1.0.7 covers the logical side of the network as well as the physical, for every node in the cluster, from one searchable page.

Continue reading

OVN Recon: Making OpenShift Networking Connections

on February 18, 2026

The OpenShift networking stack, including the OVN-Kubernetes CNI, Cluster Network Operator, NMState operator, and FRR-K8s is very flexible, but it may not always be obvious how the pieces fit together to form a solution.

OVN Recon is an OpenShift Console plugin built to make the connections that help develop your mental model for understanding OpenShift networking.

Continue reading

Securing Cloud-init User Data with External Secrets and OpenShift Virtualization

on October 6, 2025

Storing Virtual Machines as Kubernetes resources in git for automated deployment promotes consistency, resilency, and accountability, but commiting secrets to git is risky and should be avoided. Use the External Secrets Operator to securely store cloud-init and other data, and sleep soundly!

Continue reading

OpenShift CoreOS On-Cluster Custom Node Image Layering

on June 20, 2025

CoreOS On-cluster Image Layering added in OpenShift 4.19 allows modifications to the node operating system. This detailed walk through customizes the node operating system image by adding RPMs to support autofs.

In part 2 we will configure autofs and enable automatic filesystem mounting across cluster nodes.

Continue reading