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When writing tests for or debug problems in helm charts you might want to test rendering of specific template files.

One thing to remember when using an AWS ECR registry as a Helm repo: you need to push to the root path of the ECR.

When you want to push docker images from your Github Enterprise Cloud instance to AWS ECR repos and you secure the access via OIDC using a IAM role.

The Debian/Ubuntu freeplane package is broken with more recent Java version due to Java having dropped a security feature.

Had this multiple times in a larger ArgoCD setup: Applications got in a bad state and became impossible to delete.

This is post to document a somewhat troublesome ArgoCD performance optimization result I experienced.

A typical problem when using Helm charts in Openshift is handling security context UID ranges.

Do you also have this utterly useless "sleep" key on your keyboard right above the keypad?

The Github "Pull requests" link that you can find on top menu bar leads you to four useful pull request queries: PRs created by you PRs assigned to you PRs mentioning you Review requests for you but what about all PRs in all the repos of your user account…

This is a short howto on workarounds needed to use the artifact metadata DB Grafeas (developed by Google and JFrog).

Azure DevOps wants you to provide secrets to pipelines using a so called pipeline library.

Is it possible with bash?

1.

This post documents quite some research through the honestly quite sad Openshift documentation.

When you run a larger multi-tenant Jenkins instance you might wonder if everyone properly hides secrets from logs.

I want to share this little video conversion script for the GNOME file manager Nautilus.

With Helm3 find releases in unexpected state: helm ls -A -o json | jq -r '.[] | select(.status !

This post provides a summary of the possibilities to perform HTTP requests from a Jenkins pipeline.

Researching this for some hours I want to document it: Collections without frontmatter are not possible More exactly: adding Markdown files without frontmatter in a collection will not work as expected.

When you use Docker's new BuildKit build engine either by DOCKER_BUILDKIT=1 docker build ... or in most recent Docker v19 using the new buildx command docker buildx build ... then you won't see any output from your RUN steps.

When using the Jenkins kubernetes plugin you can list all active pod templates like this import jenkins.model.* import org.csanchez.jenkins.plugins.kubernetes.* if (Jenkins.instance.clouds) { cloud = Jenkins.instance.clouds.get(0) cloud.templates.…

When providing this blog with some custom CSS to better format code examples I had troubles applying several of the online suggestions on how to add custom CSS in a Jekyll setup with Minima theme active.

The old github based Helm chart repository is going to be deprecated soon and charts might be vanishing depending how this goes.

As a reminder to myself I have compiled this list of opinionated best practices (in no particalur order) to follow when using Helm seriously: General Do not try to mix Helm2 and Helm3 Do not use Helm3 yet (as of 02/2020) as infrastructure as code tools do…

If checking a Redis database you can list all entries using KEYS <pattern> where pattern is a Unix glob expression.

When using Helm > 2.14.3 you can suddenly end up with Could not get apiVersions from Kubernetes: unable to retrieve the complete list of server APIs errors when handling (installing, upgrading, removing) helm charts that use CRDs.