Import files into objects using helm

2 min read

When writing helm charts being able to specify the files to use for ConfigMap or a Secret objects is way more convenient than having the object already rendered. Using .Files.Glob we can tell help to import a set of files into the object

08/07/2022

Installing helm a k3s node: Kubernetes cluster unreachable

2 min read

Some times for convenience we might want to install helm on one of the k3s nodes. If we do so we'll get the following error:

# helm list Error: Kubernetes cluster unreachable: Get "http://localhost:8080/version": dial tcp 127.0.0.1:8080: connect: connection refused 

07/07/2022

Setting custom tags on dynamically provisioned Volumes

2 min read

Since the version 1.6.0 of the EBS CSI driver it is now possible to define a set of custom tags to add the the volumes.

06/07/2022

external DNS: Ignore Ingress object

1 min read

If we are using external DNS to create DNS records based on the configured Ingress objects we might face a situation where we have two Ingress objects with the same hosts configured:

$ kubectl get ingress NAME CLASS HOSTS ADDRESS PORTS AGE repo-nginx <none> repo.pet2cattle.com 10.12.10.21 80 194d repo-alb <none> repo.pet2cattle.com 10.12.10.31 80, 443 115d 

In a situation like this, we want to be able to tell external DNS to ignore one of them.

05/07/2022

terraform graph: Getting a visual representation of terraform code

2 min read

Using the terraform graph we can theoretically get a visual representation of either the plan or the current configuration

04/07/2022