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What's the difference between kubectl apply and kubectl replace?
2 min read
To update a kubernetes object we can use kubectl apply or kubectl replace, but depending on what and how we want it updated we need to use one or the other.
23/01/2023
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Render helm charts for an ArgoCD application using Kustomize
2 min read
We can tell Kustomize to render a helm chart using the --enable-helm flag. In order to render it in the same way using ArgoCD, we'll have to create a plugin that will have this flag.
17/01/2023
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OpenShift: Using oc-mirror to create image mirrors for air gapped environments
4 min read
Combining oc-mirror with ImageContentSourcePolicy we can configure image mirrors for container images in OpenShift. We can use it to setup air gapped environments: The images won't be available for the source repository, just from the internal mirror. This way we can audit them before allowing our cluster to use them
16/01/2023
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Kustomize: Render a helm chart (to patch it!)
2 min read
The topic is hot: Kustomize or Helm? While this discussion around this topic could continue indefinitely, the good news is that both tools can be utilized in conjunction, enhancing each other's capabilities.
12/01/2023
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External Secrets Operator: Using versioned secrets from the AWS Secrets Manager
2 min read
When using the AWS Secrets Manager, every time a secret is updated, it creates a new version with a unique uuid. It will also update the VersionStages AWSCURRENT and AWSPREVIOUS to point to the current and the previous version. We can use them with the External Secrets Operator to retrieve the current and the previous version of a secret
11/01/2023
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