Build a reverse proxy for modern immutable

infrastructure

Quentin ADAM - @waxzce

Who am I ?Quentin ADAM from the Clever Cloud

@waxzce on twitter – github- soundcloud – instagram ….

My day to day work : , the IT automation company

Keep your apps online. made with node.js,scala, java, ruby, php, python, go…

Cloud & on premise

And learn a lot of things about your code, apps, and good/bad design…

Give back to the community

NEVER GONNA LET YOU DOWN

clever-cloud.com

Automate infrastructure

Immutable infrastructureFR : https://www.youtube.com/watch?v=WrZCbgQsPVU

EN : https://www.infoq.com/presentations/server-cloud

Ephemeral instances

Proxy needs

Canary

• Using a sticky session mechanism

Whatever routing

Blue green

Change configuration while running

There is a problem

Enter sozu

https://www.sozu.io/

Rust

Process architecture

Sozu http

Proxy controller

(optionnal sozutcp)

WAN

Backends

Zero copy

Predictable performances

Change configuration at runtime

Hot reloading VS hot conf change

Zoom in

haproxy

Let’s go to the code & demo

https://github.com/waxzce/code-sample-talk-sozu

haproxy

Let’s go to the code & demo

https://github.com/waxzce/code-sample-talk-sozu

Traefik

https://github.com/waxzce/code-sample-talk-sozu

Traefik

https://github.com/waxzce/code-sample-talk-sozu

Envoy…

No packet loss

Using sozuSeveral managers :

- CLI sozu controller

- From file

- Tube cheese: get the configuration from traefic

https://www.clever-cloud.com/blog/engineering/2017/07/24/hot-reloading-configuration-why-and-how/

Thinking about http/2

Next steps – more talksTechniques modernes pour l'écriture de serveurs performants (Geoffroy Couprie) 🇫🇷

https://www.youtube.com/watch?v=Cl_fqWZTYUA

Geoffroy Couprie - Sōzu, a hot reconfigurable reverse HTTP proxy 🇬🇧

https://www.youtube.com/watch?v=y4NdVW9sHtU

Play with ithttps://www.sozu.io/

https://github.com/sozu-proxy

Thank you

find me on twitter

@waxzce

Gift coupon for clever-cloud.com:

sgbbl2017