Cloud

ceph 20.2.0 (tentacle) released Members Public

Ceph 20 is out - and you should get your hands on it!

Daniel Nachtrub
Daniel Nachtrub
Container

terraform actions - I like hooks and I cannot lie Members Public

Terraform 1.14 beta brings actions - a decent approach to run one shot events on state transitions. Check out this post to see an example and how it can be done already today.

Daniel Nachtrub
Daniel Nachtrub
Cloud

Using kyverno to generate secrets Members Public

Sometimes it's the little helpers that make the difference. Here's some kyverno policy you can use to generate secret values in Kubernetes through a mutating webhook.

Daniel Nachtrub
Daniel Nachtrub
Container

Helm & variable scopes Members Public

When using variables to track state across loop iterations in Helm templates, declare them outside the loop scope or they'll reset on each iteration.

Daniel Nachtrub
Daniel Nachtrub
Kubernetes

Terraform map expansion - interface ranges Members Public

Expanding value ranges dynamically in terraform can help you to compact your configuration and keep the focus on the values. It takes a few moments to expand the values using regex magic, still it's worth the effort!

Daniel Nachtrub
Daniel Nachtrub
Cloud

InvalidHeaderValue on python & azure storage account access Members Public

Using python to access azure storage accounts can - during rollouts of new api versions - result in InvalidHeaderValue issues if the client library is requesting an api version that is not yet on the account.

Daniel Nachtrub
Daniel Nachtrub
Azure

ingress-nginx 1.12 & allow-snippet-annotations Members Public

If you need to use snippet annotations (why?) on ingress-nginx - you'll also need to adjust the annotation filtering.

Daniel Nachtrub
Daniel Nachtrub
Azure

multus - deadlock state on thick plugin Members Public

Using Multus CNI's 'thick plugin' in Kubernetes can cause pod startup deadlocks due to circular dependencies between pods and the Multus daemon. Switching to the daemonless 'thin plugin' mode effectively resolves this initialization issue.

Daniel Nachtrub
Daniel Nachtrub
Cloud