Add support for aliases

[johanhaleby]

When using kube-ps1 the prompt can be very long as seen in this example:

It would be great if one could create a shorter alias for the context (and possibly namespace as well).

For example:

KUBE_PS1_CONTEXT_ALIASES='gke_xxxxxxxxxxxxxxxxxxxxxxx_europe-west1-c_prod=prod, another_context=another'

thus rendering only prod instead of gke_xxxxxxxxxxxxxxxxxxxxxxx_europe-west1-c_prod and another instead of another_context as context name in the prompt.

[jonmosco]

This feature is available in kubectl with kubectl config rename-context:
kubernetes/kubernetes#45131

Thanks for this suggestion, but I think the contexts should stay in the kubeconfig files so the logic for updating the prompt can stay intact.

You could remap your aliases if you want with an array possibly, then just add it to your prompt with something like this:

my_kube_ps1_alias() {
case $1 in
super-long-name) echo short;;
*) echo $1;;
esac
}

PS1='\u @ \h $(my_kube_ps1_alias $KUBE_PS1_CONTEXT) $>'

[johanhaleby]

Thanks, rename-context is probably good enough for me now (didn't know about it!)

[jonmosco]

No problem, thanks for using the prompt!