I am thinking maybe moving it to the InitHttpClient, because there are already similar check

Thank you for your contribution :)

I am thinking maybe moving it to the InitHttpClient, because there are already similar check

kubeletctl/pkg/api/requests.go

Lines 53 to 55 in 4b4b989

	if config != nil && config.BearerToken != "" {
	GlobalBearerToken = config.BearerToken
	}

I found that --token-file parameter did not work properly on the authenticated 10250 port. So I observed the code and found that the config variable was re-assigned in exec.go. It did not inherit the previous configuration. So it did not carry the token. Since I am not very familiar with the project, I found that GlobalBearerToken can be used as a temporary judgment basis. If there is a better way, you can make modifications.

https://github.com/Like0x/kubeletctl/blob/173e12de55d46d0708e0627d303d6434846c36db/pkg/api/exec.go#L34-L43

Thank you for your clarification.
For now, I merged your solution, and it looks good.
But maybe in the future, we will need to do some modifications so it will be before the function.

Thanks again, I appreciate your contribution