Release v0.5: "Hamid Hassan" · www3838438/zero-to-jupyterhub-k8s

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yuvipanda tagged this 13 Dec 18:23
JupyterHub 0.8, HTTPS & scalability.

See the [upgrade documentation](https://zero-to-jupyterhub.readthedocs.io/en/latest/upgrading.html) for upgrade steps.

JupyterHub 0.8 is full of new features - see [CHANGELOG](https://jupyterhub.readthedocs.io/en/0.8.1/changelog.html#id1)
for more details. Specific features made to benefit this chart are:

1. No more 'too many redirects' errors at scale.
2. Lots of performance improvements, we now know we can handle up to 4k active users
3. Concurrent spawn limits (set via `hub.concurrentSpawnLimit`) can be used to limit the concurrent
   number of users who can try to launch on the hub at any given time. This can be
   tuned to avoid crashes when hundreds of users try to launch at the same time. It gives
   them a friendly error message + asks them to try later, rather than spinning forever.
4. Active Server limit (set via `hub.activeServerLimit`) can be used to limit the
   total number of active users that can be using the hub at any given time. This allows
   admins to control the size of their clusters.
5. Memory limits & guarantees (set via `singleuser.memory`) can now contain fractional
   units. So you can say `0.5G` instead of having to use `512M`.

And lots more!

It is our responsibility as software authors to make it very easy for admins to set up
HTTPS for their users. v0.5 makes this much easier than v0.4. You can find the new
instructions [here](http://zero-to-jupyterhub.readthedocs.io/en/latest/extending-jupyterhub.html#setting-up-https) and
they are much simpler!

You can also now use your own HTTPS certificates & keys rather than using Let's Encrypt.

The following new authentication providers have been added:

1. GitLab
2. CILogon
3. Globus

You can also set up a whitelist of users by adding to the list in `auth.whitelist.users`.

You can always put extra snippets of `jupyterhub_config.py` configuration in
`hub.extraConfig`. Now you can also add extra environment variables to the hub
in `hub.extraEnv` and extra configmap items via `hub.extraConfigMap`. ConfigMap
items can be arbitrary YAML, and you can read them via the `get_config` function in
your `hub.extraConfig`. This makes it cleaner to customize the hub's config in
ways that's not yet possible with config.yaml.

You can also add [external JupyterHub Services](http://jupyterhub.readthedocs.io/en/latest/reference/services.html)
by adding them to `hub.services`. Note that you are still responsible for actually
running the service somewhere (perhaps as a deployment object).

More options have been added under `singleuser` to help you customize the environment
that the user is spawned in. You can change the uid / gid of the user with `singleuser.uid`
and `singleuser.fsGid`, mount extra volumes with `singleuser.storage.extraVolumes` &
`singleuser.storage.extraVolumeMounts` and provide extra environment variables with
`singleuser.extraEnv`.

Hamid Hassan is a fast bowler who currently plays for the Afghanistan National
Cricket Team. With nicknames ranging from
["Afghanistan's David Beckham"](https://www.rferl.org/a/interview-afghan-cricketer-living-the-dream/24752618.html) to
["Rambo"](http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=11413633),
he is considered by many to be Afghanistan's first Cricket Superhero. Currently
known for fast (145km/h+) deliveries, cartwheeling celebrations, war painted
face and having had to flee Afghanistan as a child to escape from war. He [says](http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=11413633)
he plays because "We are ambassadors for our country and we want to show the
world that Afghanistan is not like people recognise it by terrorists and these
things. We want them to know that we have a lot of talent as well"

This release wouldn't have been possible without the wonderful contributors
to the [zero-to-jupyterhub](https://github.com/jupyterhub/zero-to-jupyterhub-k8s),
[JupyterHub](https://github.com/jupyterhub/jupyterhub), [KubeSpawner](https://github.com/jupyterhub/kubespawner)
and [OAuthenticator](http://github.com/jupyterhub/oauthenticator) repos.
We'd like to thank everyone who contributed in any form - Issues, commenting
on issues, PRs and reviews since the last Zero to JupyterHub release.

In alphabetical order,

- [Aaron Culich](https://github.com/aculich)
- [abeche](https://github.com/alexxxxx)
- [Abhinandan Dubey](https://github.com/alivcor)
- [Adam Thornton](https://github.com/athornton)
- [Adrin Jalali](https://github.com/adrinjalali)
- [Aidis Stukas](https://github.com/aidiss)
- [Aleksandr Blekh](https://github.com/ablekh)
- [Alessandro Vozza](https://github.com/ams0)
- [Alex Hilson](https://github.com/alexhilson)
- [Analect](https://github.com/Analect)
- [Andrea Zonca](https://github.com/zonca)
- [Andreas](https://github.com/Jibbow)
- [Andrew Berger](https://github.com/rueberger)
- [András Tóth](https://github.com/tothandras)
- [angrylandmammal](https://github.com/angrylandmammal)
- [Anirudh Ramanathan](https://github.com/foxish)
- [Antonino Ingargiola](https://github.com/tritemio)
- [apachipa](https://github.com/apachipa)
- [Ariel Rokem](https://github.com/arokem)
- [astrodb](https://github.com/astrodb)
- [Ayushi Agarwal](https://github.com/ayushiagarwal)
- [batchku](https://github.com/batchku)
- [bbhopesh](https://github.com/bbhopesh)
- [Bill Major](https://github.com/rwmajor2)
- [Brad Svee](https://github.com/sveesible)
- [Brian E. Granger](https://github.com/ellisonbg)
- [BrianVanEtten](https://github.com/BrianVanEtten)
- [calz1](https://github.com/calz1)
- [Camilo Núñez Fernández](https://github.com/camilo-nunez)
- [Carol Willing](https://github.com/willingc)
- [Chris Holdgraf](https://github.com/choldgraf)
- [Christian Barra](https://github.com/barrachri)
- [Christian Moscardi](https://github.com/cmoscardi)
- [Christophe Lecointe](https://github.com/christophelec)
- [Christopher Hench](https://github.com/henchc)
- [Christopher Ostrouchov](https://github.com/costrouc)
- [ckbhatt](https://github.com/ckbhatt)
- [Cody Scott](https://github.com/Siecje)
- [Colin Goldberg](https://github.com/colingoldberg)
- [daleshsd](https://github.com/daleshsd)
- [danroliver](https://github.com/danroliver)
- [Dave Hirschfeld](https://github.com/dhirschfeld)
- [David](https://github.com/davidXire)
- [Davide](https://github.com/davidedelvento)
- [deisi](https://github.com/deisi)
- [Dennis Pfisterer](https://github.com/pfisterer)
- [Dennis Verspuij](https://github.com/dennisverspuij)
- [Diogo](https://github.com/dmvieira)
- [dmceballosg](https://github.com/dmceballosg)
- [Dominic Follett-Smith](https://github.com/dominicfollett)
- [Doug Blank](https://github.com/dsblank)
- [Enol Fernández](https://github.com/enolfc)
- [Erik Sundell](https://github.com/consideRatio)
- [erolosty](https://github.com/erolosty)
- [FalseProtagonist](https://github.com/FalseProtagonist)
- [fmilano1975](https://github.com/fmilano1975)
- [Forrest Collman](https://github.com/fcollman)
- [Fred Mitchell](https://github.com/fm75)
- [Gil Forsyth](https://github.com/gforsyth)
- [Goutham Balaraman](https://github.com/gouthambs)
- [gryslik](https://github.com/gryslik)
- [gweis](https://github.com/gweis)
- [haasad](https://github.com/haasad)
- [hani1814](https://github.com/hani1814)
- [Hanno Rein](https://github.com/hannorein)
- [harschware](https://github.com/harschware)
- [Ian Allison](https://github.com/ianabc)
- [Isaiah Leonard](https://github.com/ihleonard-c3)
- [J Forde](https://github.com/jzf2101)
- [Jacob Tomlinson](https://github.com/jacobtomlinson)
- [jai11](https://github.com/jai11)
- [jbmarcille](https://github.com/jbmarcille)
- [Jeet Shah](https://github.com/iamjeet)
- [Jeroen Vuurens](https://github.com/jeroenvuurens)
- [Jessica B. Hamrick](https://github.com/jhamrick)
- [jiamicu](https://github.com/jiamicu)
- [jiancai1992](https://github.com/jiancai1992)
- [jm2004](https://github.com/jm2004)
- [joefromct](https://github.com/joefromct)
- [John Haley](https://github.com/johnhaley81)
- [jonny86](https://github.com/jonny86)
- [Joshua Milas](https://github.com/DeepHorizons)
- [JoshuaC3](https://github.com/JoshuaC3)
- [João Vítor Amaro](https://github.com/joaoamaro70)
- [Justin Ray Vrooman](https://github.com/vroomanj)
- [Keith Callenberg](https://github.com/keithcallenberg)
- [KenB](https://github.com/y2kbowen)
- [Kenneth Lyons](https://github.com/ixjlyons)
- [krak3nnn](https://github.com/krak3nnn)
- [Kristiyan](https://github.com/katsar0v)
- [Kuisong Tong](https://github.com/ktong)
- [kuldeepyadav](https://github.com/kuldeepyadav)
- [Kyle Kelley](https://github.com/rgbkrk)
- [lcfcefyn](https://github.com/lcfcefyn)
- [Leo Gallucci](https://github.com/elgalu)
- [lesiano](https://github.com/lesiano)
- [Lorena A. Barba](https://github.com/labarba)
- [lrob](https://github.com/lrob)
- [Lukasz Tracewski](https://github.com/tracek)
- [Mahesh Vangala](https://github.com/vangalamaheshh)
- [Marco Sirabella](https://github.com/mjsir911)
- [marcostrullato](https://github.com/marcostrullato)
- [Marius van Niekerk](https://github.com/mariusvniekerk)
- [MarkusTeufelberger](https://github.com/MarkusTeufelberger)
- [Matt Koken](https://github.com/patback66)
- [Matteo Cerutti](https://github.com/m4ce)
- [Matthias Bussonnier](https://github.com/Carreau)
- [Michael Li](https://github.com/tianhuil)
- [Mike](https://github.com/s-t-e-a-l-t-h)
- [MikeM](https://github.com/mmacny)
- [Min RK](https://github.com/minrk)
- [misolietavec](https://github.com/misolietavec)
- [Moiz Sajid](https://github.com/moizsajid)
- [Morgan Jones](https://github.com/mogthesprog)
- [mraky](https://github.com/mraky)
- [mrinmoyprasad](https://github.com/mrinmoyprasad)
- [nabriis](https://github.com/nabriis)
- [Nickolaus D. Saint](https://github.com/NickolausDS)
- [Nocturnal316](https://github.com/Nocturnal316)
- [Olivier Cloarec](https://github.com/ocloarec)
- [Pedro Henriques dos Santos Teixeira](https://github.com/pedroteixeira)
- [Pranay Hasan Yerra](https://github.com/pranayhasan)
- [prof-schacht](https://github.com/prof-schacht)
- [Puneet Jindal](https://github.com/puneetjindal)
- [R. C. Thomas](https://github.com/rcthomas)
- [ramonberger](https://github.com/ramonberger)
- [Randy Guthrie](https://github.com/randguth)
- [Richard Caunt](https://github.com/psyvision)
- [richmoore1962](https://github.com/richmoore1962)
- [Rishika Sinha](https://github.com/rsinha25)
- [Robert Wlodarczyk](https://github.com/SimplicityGuy)
- [Ruben Orduz](https://github.com/rdodev)
- [Ryan Lovett](https://github.com/ryanlovett)
- [Ryan Wang](https://github.com/rwangr)
- [rydeng](https://github.com/rydeng)
- [SarunasG](https://github.com/SarunasG)
- [Saul Shanabrook](https://github.com/saulshanabrook)
- [Scott Calabrese Barton](https://github.com/scbarton)
- [Scott Sanderson](https://github.com/ssanderson)
- [Simon Li](https://github.com/manics)
- [Stefano Nicotri](https://github.com/stefanonicotri)
- [surma-lodur](https://github.com/surma-lodur)
- [Sven Mayer](https://github.com/SamyStyle)
- [swigicat](https://github.com/swigicat)
- [SY_Wang](https://github.com/kiwi0217)
- [Thomas Kluyver](https://github.com/takluyver)
- [Thomas Mendoza](https://github.com/tgmachina)
- [Tim Head](https://github.com/betatim)
- [toddpfaff](https://github.com/toddpfaff)
- [Tom O'Connor](https://github.com/ichasepucks)
- [toncek87](https://github.com/toncek87)
- [Tony ](https://github.com/Montereytony)
- [Travis Sturzl](https://github.com/tsturzl)
- [Tyler Cloutier](https://github.com/cloutiertyler)
- [uday2002](https://github.com/uday2002)
- [Udita Bose](https://github.com/uditabose)
- [uttamkumar123](https://github.com/uttamkumar123)
- [will](https://github.com/zsluedem)
- [Wilmer Ramirez](https://github.com/will17cr)
- [xgdgsc](https://github.com/xgdgsc)
- [Yan Zhao](https://github.com/yan130)
- [Yinan Li](https://github.com/liyinan926)
- [yoryicopo](https://github.com/yoryicopo)
- [Yu-Hang "Maxin" Tang](https://github.com/yhtang)
- [Yuvi Panda](https://github.com/yuvipanda)
- [Zachary Ogren](https://github.com/zogren)
- [Zhenwen Zhang](https://github.com/zhangzhenwen)
- [Zoltan Fedor](https://github.com/zoltan-fedor)
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