@Jess Hamrick, The link which you have mentioned is no longer exists. can
you please update it
On Thursday, July 23, 2015 at 4:46:55 AM UTC+5:30, Jess Hamrick wrote:
> Hi Michael,
> In your spawner, are you setting the IP of the spawned servers after they
> are spawned? That might be causing you problems because if you don’t set
> the IP, the hub won’t know how to talk to the user servers. You might have
> a look at my SwarmSpawner for an example, which spawns servers on a cluster
> of nodes using Docker swarm:
> The user servers also need access to the hub, which requires setting the
> hub_ip. For example, here’s the corresponding jupyterhub_config.py that I’m
> I don’t think you should need to install anything on the nodes except the
> jupyterhub-singleuser script (as well as IPython itself).
> I'm trying to create a custom spawner for Jupyterhub (installed on a
> cluster) that creates spawners on different nodes as opposed to the head
> node. I've been using the DockerSpawner
> <https://github.com/jupyter/dockerspawner> example as a reference and am
> having some trouble figuring out how to get this configured properly.
> Without my custom spawner, Jupyterhub is working great, and I can create
> and run notebooks just fine. When I load my spawner and try to login to
> Jupyterhub, I can see in the logs that the spawner is in fact running
> instances of jupyterhub-singleuser on a different node. The problem is that
> the compute node doesn't seem to communicate any information back to the
> head node. Here's the command my spawner is submiting to the compute node
> in the start() method:
> export JPY_API_TOKEN="ef98aec6e6bb47ab9181b325feb5c6e3;
> jupyterhub-singleuser --user=mkg52 --port=33911
> --cookie-name=jupyter-hub-token-mkg52 --base-url=/user/mkg52
> --hub-prefix=/hub/ --hub-api-url=http://172.16.2.1:54321/hub/api
> Once this is submitted, I'm seeing in the logs a couple of 302 GET
> responses, a 200, then a constant string of 304s. So it's obviously not
> communicating to the node. This brings me to my main question:
> Would someone be able to explain how I need to setup the compute nodes
> and/or configuration file in order to talk back to the head node via
> jupyterhub-singleuser? I have jupyterhub installed on the compute nodes,
> but do I also need all the node.js dependencies and configuration files and
> whatnot? How do the ports need to be configured? I'm just a little lost at
> this point, so any help would be greatly appreciated!
> Thank you!
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