Feature request: Launch server from CLI

[blackliner]

Proposed change

I would like to be able to run a command inside a client terminal and start the jupyterhub server.

Who would use this feature?

Developers as well as automation can utilize this feature to spin up a server on-demand

(Optional): Suggest a solution

Provide an API plus a CLI to spin up servers

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[minrk]

We do have an extensive API covering everything needed for this.

For example, starting a server is:

curl -H "Authorization: Bearer $JUPYTERHUB_API_TOKEN" -X POST https://hub.example.org/hub/api/users/$USER/servers/

I don't think maintaining a CLI is in-scope at the moment. But there is this jupyterhub Python client generated from our OpenAPI spec, which you might use.