Kustomize: Escape Forward Slash (/)

2 min read

While writing Kustomize patches you might come across is the need to escape certain characters, such as the forward slash (/). This can be a bit tricky since the common conventions on how to escape a character don't apply here.

03/05/2023

Kustomize: Disabling hashed ConfigMap when using configMapGenerator

2 min read

When we try to use configMapGenerator to generate a ConfigMap containing some files like this:

configMapGenerator:
- name: config-files
  behavior: create
  files:
  - files/file1.txt
  - files/file2.txt

By default, it is going to append a hash to it:

$ kubectl get configmap
NAME                          DATA   AGE
config-files-m55tkfhh8f       2      45d

If we need to access this ConfigMap by name we might want to remove the hash.

07/03/2023

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

Kustomize: Update internal references that are going to be changes using namePrefix or nameSuffix

2 min read

When using namePrefix or nameSuffix to change the names of the resources we are deplying using Kustomize, we need to make sure the cross object references get updated as well.

05/01/2023

Patch an existing manifest to delete an object using Kustomize

2 min read

Sometimes we'll need to delete a specific resource from an existing manifest. It can be as simple as moving the resource around, but if we do not control the source manifest it might not be an option: In this scenario we can delete the resource using a patch

17/11/2022