README
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Namespace Cleaner
This is a simple project that will clean Kubernetes' namespaces that you don't need.
Why this project?
Kubernetes is a very flexible system and it's often used in multi tenant environments. Kubernetes itself does not prescribe how to use namespaces and there are not many recommendations out there on how to use them or how to map them to organizations and teams. There are cases in which we can use multiple namespaces to test things and be able to delete them quickly. Or your organization is just not that disciplinate at using namespaces. What happens is that you end up with plenty of namespaces lying around which cause confusion and consume resources if there are things deployed and forgotten into them. This project wants to be a part of code that allows you to get rid of unwanted namespaces.
How it works.
This code is supposed to be run as a Job or CronJob periodically. The code makes a single pass over the namespaces, exclude some namespaces that we should never delete (default, kube-system and kube-public) and delete all the other namespaces. The user can provide a flag namespaces-to-retain to specify other namespaces to not delete.
Please note that the default behaviour of this code is to not delete namespaces unless the flag --yes is specified. This is done to prevent mistaskes.
Deploy
You can find a sample manifest in this file.
Documentation
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There is no documentation for this package.
Source Files