Add new plots through individual-plots.json

The orange buttons in the sidebar are currently hardcoded. It would be great to have them be defined when we talk to the scheduler. This would allow us to add new plots in Dask without having to update this package, and to have plots that are only defined in some situations (such as if a GPU is present)

Currently we query /individual-plots.json to see if the dashboard is up and running.

    // If this is a url that we are proxying under the notebook server,
    // it is easier to check for a valid dashboard.
    if (url.indexOf(settings.baseUrl) === 0) {
      return ServerConnection.makeRequest(
        URLExt.join(url, 'individual-plots.json'),
        {},
        settings
      ).then(response => {
        if (response.status === 200) {
          return true;
        } else {
          return false;
        }
      });
    }

I think that originally the plan was to check this to see what plots were available. Is this still possible? I’m adding a new plot here (https://github.com/dask/distributed/pull/2922) and suspect adding some more that might only be present sometimes.

Currently we hard-code these plots here:

https://github.com/dask/dask-labextension/blob/b68342bcfb43f905d7b86588fb3083f917519b5a/src/dashboard.tsx#L417-L426

But we might get them from the individual-plots route

$ curl localhost:8787/individual-plots.json
{
  "Individual Task Stream": "/individual-task-stream", 
  "Individual Progress": "/individual-progress",
  "Individual Graph": "/individual-graph", 
  "Individual Profile": "/individual-profile", 
  "Individual Profile Server": "/individual-profile-server", 
  "Individual Nbytes": "/individual-nbytes", 
  "Individual Cpu": "/individual-cpu", 
  "Individual Nprocessing": "/individual-nprocessing", 
  "Individual Workers": "/individual-workers"
}

[trxcllnt]

@ian-r-rose unrelated but in the spirit of node <-> python collaboration: outside of container environments, nvm is the node community’s recommended way to install, update, and switch between different versions of node. No root access required and a single-command install, it’s sorta like a node-specific version of update-alternatives 🌈

[mrocklin]

No rush. Thanks for looking into it. I hope that you feel better.

On Sat, Aug 17, 2019 at 2:59 AM Christopher Harris [e-mail] wrote:

Apologies for not updating. I have been sick the past couple of days and needed quite a lot of rest. I have not given much time to the dask extension. I will continue to investigate now that I’ve gotten some energy back. 👍

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