Tmpnb vs Jupyterhub

[Tony Hirst]

Hi

I'm trying to lobby my institution into setting up a hosted Jupyter notebook server to support a v small activity (2 notebooks, 15-30 mins per notebook) as part of a course serving maybe 1500 students.

My gut feeling is to suggest tmpb because I assume that's the simplest thing to manage, but I was wondering if there is a way of configuring Jupyterhub to act as a tmpnb server (no persisted notebooks, no need for use logins, all sessions independent)?

If there is, Jupyterhub perhaps offers a better option because then I can start working on folk to support user accounts without them having to go through the process of figuring out how to deply and support yet another installation.

Related to this, does anyone have roadmaps to adoption that can be presented to reluctant IT folk as part of a Jupyter advocacy plan? ;-)

--tony

[Thomas Kluyver]

Hi Tony,

Yes! I'm setting up something quite similar here, where we initially want the functionality of tmpnb but might want the functionality of Jupyterhub later. At Min's suggestion, I am putting together something a lot like tmpnb using tmpauthenticator and dockerspawner:

https://github.com/jupyterhub/tmpauthenticator/
https://github.com/jupyterhub/dockerspawner

I'm assembling this in a VM using Vagrant. You can see the files I'm using to set this up here:
https://github.com/joommf/try-joommf-deploy

This is the first time I've done anything with Jupyterhub or Vagrant, so don't take any of that as the best way to do things!

Thomas

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[Tony Hirst]

Hi Thomas

Ah... useful... will take a look...

..... so: I get Jupyterhub asking for user/pwd credentials on :8081? (In passing, I also note it's offering a warning about 'should use https')

(FWIW. I'm also trying to persuade folk to start looking at Vagrant so this gives me a bit more rationale... (or conversely, means it's a non-starter if I can't get them as far as using vagrant!;-))

--tony

PS by the by - are you at Southampton? Would be good to ry to grab a coffee at some point if so... (are you ever on IW?)

On Monday, 11 September 2017 13:11:25 UTC+1, takowl wrote:

Hi Tony,

Yes! I'm setting up something quite similar here, where we initially want the functionality of tmpnb but might want the functionality of Jupyterhub later. At Min's suggestion, I am putting together something a lot like tmpnb using tmpauthenticator and dockerspawner:

https://github.com/jupyterhub/tmpauthenticator/
https://github.com/jupyterhub/dockerspawner

I'm assembling this in a VM using Vagrant. You can see the files I'm using to set this up here:
https://github.com/joommf/try-joommf-deploy

This is the first time I've done anything with Jupyterhub or Vagrant, so don't take any of that as the best way to do things!

Thomas

On 11 September 2017 at 12:58, Tony Hirst <tony....@gmail.com> wrote:

Hi

I'm trying to lobby my institution into setting up a hosted Jupyter notebook server to support a v small activity (2 notebooks, 15-30 mins per notebook) as part of a course serving maybe 1500 students.

My gut feeling is to suggest tmpb because I assume that's the simplest thing to manage, but I was wondering if there is a way of configuring Jupyterhub to act as a tmpnb server (no persisted notebooks, no need for use logins, all sessions independent)?

If there is, Jupyterhub perhaps offers a better option because then I can start working on folk to support user accounts without them having to go through the process of figuring out how to deply and support yet another installation.

Related to this, does anyone have roadmaps to adoption that can be presented to reluctant IT folk as part of a Jupyter advocacy plan? ;-)

--tony

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[Thomas Kluyver]

On 11 September 2017 at 15:16, Tony Hirst <tony....@gmail.com> wrote:

..... so: I get Jupyterhub asking for user/pwd credentials on :8081? (In passing, I also note it's offering a warning about 'should use https')

It shouldn't ask for credentials with this configuration - tmpauthenticator should just direct each user to a new container. It's working as expected for me, but I may have done some things which are brittle.

I'm working on the https part at the moment - my configuration will use a self-signed cert, because the university is going to put it behind their load balancer which should have a proper SSL cert.

 

PS by the by - are you at Southampton? Would be good to ry to grab a coffee at some point if so... (are you ever on IW?)

Yup, I am at Southampton, and I also go across to the IW from time to time on weekends - mostly to Cowes. I'd be happy to meet up for coffee in either place - feel free to ping me off list.

[Tony Hirst]

I simply downloaded the repo and did a vagrant up and it gave me the login screen. Will try to have a poke around to see if I can figure out why..

--tony

[Thomas Kluyver]

I think I made a mistake in the config file which prevented any config from taking effect. Try pulling again now and going to:

https://127.0.0.1:8000

You will need to bypass a self-signed cert warning to see the page.

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[Tony Hirst]

thx - works fine now...  this could well be a better approach for us, as long as we can get s/thing working that scales w/ resource IT folk are happy to commit....  (will have 1-2k users arriving over a 1-2 week period and Sod's law they'd do it at same time ;-)

--tony

On Monday, 11 September 2017 17:24:33 UTC+1, takowl wrote:

I think I made a mistake in the config file which prevented any config from taking effect. Try pulling again now and going to:

https://127.0.0.1:8000

You will need to bypass a self-signed cert warning to see the page.

On 11 September 2017 at 17:20, Tony Hirst <tony....@gmail.com> wrote:

I simply downloaded the repo and did a vagrant up and it gave me the login screen. Will try to have a poke around to see if I can figure out why..

--tony

On Monday, 11 September 2017 15:28:33 UTC+1, takowl wrote:

On 11 September 2017 at 15:16, Tony Hirst <tony....@gmail.com> wrote:

..... so: I get Jupyterhub asking for user/pwd credentials on :8081? (In passing, I also note it's offering a warning about 'should use https')

It shouldn't ask for credentials with this configuration - tmpauthenticator should just direct each user to a new container. It's working as expected for me, but I may have done some things which are brittle.

I'm working on the https part at the moment - my configuration will use a self-signed cert, because the university is going to put it behind their load balancer which should have a proper SSL cert.

 

PS by the by - are you at Southampton? Would be good to ry to grab a coffee at some point if so... (are you ever on IW?)

Yup, I am at Southampton, and I also go across to the IW from time to time on weekends - mostly to Cowes. I'd be happy to meet up for coffee in either place - feel free to ping me off list.

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[Thomas Kluyver]

On 11 September 2017 at 19:55, Tony Hirst <tony....@gmail.com> wrote:

thx - works fine now...  this could well be a better approach for us, as long as we can get s/thing working that scales w/ resource IT folk are happy to commit....  (will have 1-2k users arriving over a 1-2 week period and Sod's law they'd do it at same time ;-)

You'll probably need something a bit more complicated to spread the load over multiple machines to cope with that. I don't know much about it, but I know it's possible. Others can probably give you more info.

[Yuvi Panda]

We run a ~1500 student JupyterHub for our class at Berkeley
(data.berkeley.edu) based on https://z2jh.jupyter.org :) We're pretty
much at 0 hub related issues about a week in :)

You can set it up to use tmpauthenticator, but can also use other
authentication methods if need be. We've done a bunch of stress tests,
and fixed a lot of the issues (especially the 'too many redirects'
issue) in 0.8.

[Tony Hirst]

Ah - so those fixes were pushed to Jupyterhub repo?

That sounds as if it's best plan for us, I think.

--tony

[Kyle Kelley]

As one of the original tmpnb authors, I wholeheartedly endorse JupyterHub + tmpauthenticator + dockerspawner as the Official Best Way to do tmpnb style deployments for the far future. 🤔 I wonder if we should turn jupyter/tmpnb into just that -- an opinionated JupyterHub deployment.

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Kyle Kelley (@rgbkrk; lambdaops.com)

[MinRK]

On Tue, Sep 12, 2017 at 8:52 AM, Kyle Kelley <rgb...@gmail.com> wrote:

As one of the original tmpnb authors, I wholeheartedly endorse JupyterHub + tmpauthenticator + dockerspawner as the Official Best Way to do tmpnb style deployments for the far future. 🤔 I wonder if we should turn jupyter/tmpnb into just that -- an opinionated JupyterHub deployment.

It is my plan to do exactly this when I get a chance. It would be even better if somebody else does it first!

 

On Tue, Sep 12, 2017 at 8:04 AM, Tony Hirst <tony....@gmail.com> wrote:

Ah - so those fixes were pushed to Jupyterhub repo?

That sounds as if it's best plan for us, I think.

--tony

On Monday, 11 September 2017 20:50:20 UTC+1, Yuvi Panda wrote:

We run a ~1500 student JupyterHub for our class at Berkeley
(data.berkeley.edu) based on https://z2jh.jupyter.org :) We're pretty
much at 0 hub related issues about a week in :)

You can set it up to use tmpauthenticator, but can also use other
authentication methods if need be. We've done a bunch of stress tests,
and fixed a lot of the issues (especially the 'too many redirects'
issue) in 0.8.

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Kyle Kelley (@rgbkrk; lambdaops.com)

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[Fernando Perez]

On Tue, Sep 12, 2017 at 2:59 PM, MinRK <benja...@gmail.com> wrote:

On Tue, Sep 12, 2017 at 8:52 AM, Kyle Kelley <rgb...@gmail.com> wrote:

As one of the original tmpnb authors, I wholeheartedly endorse JupyterHub + tmpauthenticator + dockerspawner as the Official Best Way to do tmpnb style deployments for the far future. 🤔 I wonder if we should turn jupyter/tmpnb into just that -- an opinionated JupyterHub deployment.

It is my plan to do exactly this when I get a chance. It would be even better if somebody else does it first!

+1! 

[Tony Hirst]

Helm yet another thing new to me....

How do you tweak the config.yaml file to use the tmpauthenticator?

--tony

On Monday, 11 September 2017 20:50:20 UTC+1, Yuvi Panda wrote: