OpenShift

Selective OpenShift IPI on AWS GovCloud without Route 53

Bring your own DNS to an OpenShift IPI deployment on AWS

JR Morgan

4 minute read

If you’ve deployed OpenShift on AWS using the IPI (Installer Provisioned Infrastructure) deployment method then you’re aware of the hardline requirement for Route 53 public/private zones, depending on the publish method set in your OpenShift install-config.yaml. This typically doesn’t present a problem for most customers, but select companies disallow use of Route 53 in favor of their own managed DNS (e.g. Infoblox). Unfortunately this limitation forces most customers to pursue a UPI (User…

NVIDIA gpu-operator installation in a Proxied Environment

Add NVIDIA GPUs to your OpenShift menu in a corporate proxied environment

JR Morgan

4 minute read

If you’re running NVIDIA GPU’s & OpenShift/k8s in an unproxied or transparently proxied environment you probably haven’t encountered too many issues deploying NVIDIA’s gpu-operator (lucky you!), but your experience might not be as pleasant if using a traditional proxy with HTTPS/SSL bumping/inspection enabled.

Practical OpenShift 4 Installation Troubleshooting

Practical OpenShift 4 Installation Troubleshooting

JR Morgan

1 minute read

There’s a lot of great documentation on running, administering, consuming, and troubleshooting OpenShift 4, but the installation process is still a bit vague for some admins, and even more obscure if failures are encountered. I recently stepped through general installation troubleshooting for a failed OpenShift 4.6.8 deployment which hit this bug: https://bugzilla.redhat.com/show_bug.cgi?id=1895024 - The core issue relates to low entropy on my VMs, but this bug was repeatable and offered a great…