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nbo2rproxy

Goal

Run a small HTML app that starts a container within the Jupyter instance. The nested container is started via Dockerode from a Node.js app - just like the o2r reference implementation.

The realisation is modelled after nbstencilaproxy.

The first step is to only use start and postBuild scripts, leaving many bits hard-coded.

Try it

You need a repo2docker fork that allows execution as root user, see https://github.com/o2r-project/repo2docker/tree/allow_root

repo2docker --debug --volume=/var/run/docker.sock:/var/run/docker.sock --env ERC_PATH=$(pwd)/erc --user-id=0 --user-name=root .

Then open the UI at /o2r-ui or via the "New > ERC" menu, or inspect the API at /o2r-api/v1/status.

You can query the API directly if you provide the token and adjust the port:

curl http://127.0.0.1:53889/o2r-api/v1/status/?token=2d77384eb9cbb8190b06709cc790b0bf441de3b25ec6ffee

Open questions

  • How can the volume mount of the ERC be automated?
  • Is this really feasible, given that I trust the users who are allowed to open a repository on Binder (i.e. I know who they are, and normally I control the repository content, too)?
  • What changes need to be made to this kind of repository and image to work on JupyterHub?