Kustomize Transformers

Question 1

What problem do Kustomize common transformations solve

Answer 1

They let you apply the same configuration change across many Kubernetes resources without editing every YAML file by hand

Question 2

Why is manually adding the same label or name change to many YAML files a bad approach

Answer 2

It does not scale well takes more time and increases the chance of mistakes and config drift

Question 3

What are Kustomize transformers at a high level

Answer 3

Transformers are features in Kustomize that modify or transform Kubernetes manifests during the build process

Question 4

What subgroup of transformers is the lecture focused on

Answer 4

The lecture focuses on common transformations

Question 5

What does the commonLabels transformation do in Kustomize

Answer 5

It adds the same label to all resources processed by that kustomization

Question 6

What does the namespace transformation do in Kustomize

Answer 6

It places all resources processed by that kustomization into the namespace you specify

Question 7

What does the namePrefix transformation do in Kustomize

Answer 7

It adds the same prefix to the names of all resources processed by that kustomization

Question 8

What does the nameSuffix transformation do in Kustomize

Answer 8

It adds the same suffix to the names of all resources processed by that kustomization

Question 9

What does the commonAnnotations transformation do in Kustomize

Answer 9

It adds the same annotation to all resources processed by that kustomization

Question 10

Where are common transformations usually declared in Kustomize

Answer 10

They are declared in the kustomization.yaml file

Question 11

If you set a namespace in kustomization.yaml what resources are affected

Answer 11

All resources imported and processed by that specific kustomization are affected

Question 12

Why are common transformations useful in larger environments

Answer 12

They let you apply repeated changes consistently across many manifests from one place

Question 13

What is one example of a useful nameSuffix in an environment setup

Answer 13

A suffix such as dash dev can help distinguish development resources from staging or production resources

Question 14

What is one example of a useful common label

Answer 14

A label such as org equals KodeKloud can be added to all resources for organization or filtering

Question 15

What is the key advantage of using transformers instead of manually editing every manifest

Answer 15

You keep changes centralized consistent and easier to maintain as the number of resources grows

Question 16

Image Controller Example

Answer 16

images:
- name: nginx
newName: haproxy
newTag: 2.4