Completion not working for kubectl config set-context --current <namespace>

[jheyduk]

What happened:
When using zsh-Autocompletion the autocompletion defaults to directories for
kubectl config set-context --current --namespace

What you expected to happen:
The command should autocomplete with namespaces

How to reproduce it (as minimally and precisely as possible):

kubectl config set-context --current --namespace
Anything else we need to know?:

Environment:

• Kubernetes client and server versions (use kubectl version):
  Client Version: v1.29.2
  Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3
  Server Version: v1.29.2
• Cloud provider or hardware configuration:
• OS (e.g: cat /etc/os-release):

[marckhouzam]

I confirm this missing functionality. This is because the kubectl config set-context command redefines its own namespace flag and we didn't add shell completion for it.

Until this is fixed, a workaround (slightly annoying) is to instead use the global --namespace flag by putting it before the set-context command:

$ kubectl config --namespace <TAB>
ns1   ns2    ns3
$ kubectl config --namespace ns2 set-context --current <ENTER>
Context "my-context" modified.

# This also works
$ kubectl config --namespace <TAB> set-context --current 
ns1   ns2    ns3

[sreeram-venkitesh]

/assign

[mpuckett159]

/triage accepted

[sftim]

/retitle Completion not working for kubectl config set-context --current <namespace>

[TessaIO]

@sreeram-venkitesh would it bother you if I work on this?

[sreeram-venkitesh]

@TessaIO please feel free to take this up!

[TessaIO]

/assign