Flag "--serviceaccount" in "kubectl run" is deprecated
In documentation
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#run
I can see that there is a flag --serviceaccount, which sets service account in the pod.
However, when I try to use it in 1.31 I get error: unknown flag: --serviceaccount
When I try to use it in 1.23 I get warning: Flag --serviceaccount has been deprecated, has no effect and will be removed in 1.24.
This means that when I want to start new pod with given service account I can't do this with just one command as before. I have to create file (k run ... --dry-run=client -o yaml), modify it by adding "serviceAccountName" field and then create pod from the file.
But why? What is the reason to make this task more complicated?
Best Answer
-
Hi @dmsheiko,
You are correct, the
--serviceaccount
flag is no longer supported, but the alternative solution you suggest sounds a bit complicated, yet not impossible.However, after a minimal amount of digging around and researching, one may find a more elegant approach that simply involves the
--overrides
flag of therun
command.The flag can be used as follows:
--overrides='{ "spec": { "serviceAccountName": "my-service-account" } }'
It accepts either
"serviceAccountName"
or"serviceAccount"
.Regards,
-Chris0
Answers
-
Thank you Chris for one more and more elegant approach.
I still wonder why the kubernetes developers decided to remove this feature. Was it abused? Or is it potentially dangerous?0
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