How do I actually get the output of kubectl kustomize into my cluster?

Question

I have a very simple kustomization.yaml:

configMapGenerator:
  - name: icecast-conifg
    files:
      - icecast.xml

When I run kubectl kustomize . it spits out a generated configMap properly, but how do I actually load it into my cluster? I'm missing some fundamental step.

user_213269 · Answer

With Kustomize you can use the -k (or --kustomize) flag instead of -f when using kubectl apply. Example:

kubectl apply -k

See Declarative Management of Kubernetes Objects Using Kustomize

user_1796579 · Answer

You could do for example

kubectl kustomize . | kubectl apply -f -

How do I actually get the output of kubectl kustomize into my cluster?

2 Answers