Adventurer in the Land of Production Environment

If your background is software development, the first time you need to run code on a server and serve it to the world can be pretty intimidating. Just as if you suddenly found yourself in a strange land, full of magic and composed of dungeons…

Transcript

1. Adventurer in the Land
   of Production Environment
   Maciej Pasternacki
   DjangoCon 2013 Circus Edition
   3ofcoins
   @mpasternacki
   

   View Slide

2. e weather is mild and comfortable.
   A slight wind is blowing. A server.
   $ _
   

   View Slide

3. e weather is mild and comfortable.
   A slight wind is blowing. A server.
   $ sudo su -
   # _
   

   View Slide

4. e weather is mild and comfortable.
   A slight wind is blowing. A server.
   $ sudo su -
   # screen
   # _
   

   View Slide

5. e weather is mild and comfortable.
   A slight wind is blowing. A server.
   $ sudo su -
   # screen
   # ./manage.py runserver 80
   _
   

   View Slide

6. e weather is mild and comfortable.
   A slight wind is blowing. A server.
   $ sudo su -
   # screen
   # ./manage.py runserver 80
   [detached]
   $ _
   

   View Slide

7. Congratulations!
   You advance to level 1.
   $ sudo su -
   # screen
   # ./manage.py runserver 80
   [detached]
   $ _
   

   View Slide

8. Quest: is it up?
   – http://pingdom.com/
   – http://host-tracker.com/
   – http://monitor.us/
   – …lots of alternatives. Use whichever.
   

   View Slide

9. Examine inventory
   # ./manage.py runserver 80
   Runs as root: -33 Strength
   Single-threaded: -10 Dexterity
   Static files served by Django: -15 Speed
   

   View Slide

10. Use XP to upgrade:
    gunicorn
    fcgi
    uwsgi
    mod_wsgi
    nginx
    lighttpd
    apache
    +5 Mana +8 Dexterity
    http://raingna.deviantart.com/art/FiM-style-Django-pony-318540512
    Static
    les
    Not root,
    high port #
    

    View Slide

11. Congratulations!
    You advance to level 2
    

    View Slide

12. Put on some armor
    – Isolate your code in virtualenv
    – Get Immune to Surprise Upgrades:
    pip freeze or vendor libraries
    

    View Slide

13. Amulet of Life Saving
    – runit
    – supervisord
    – daemontools
    – upstart
    – systemd
    – monit
    – god
    – bluepill
    

    View Slide

14. Stun Immunity
    – runit
    – cron @reboot
    – upstart
    – init script
    – systemd
    

    View Slide

15. Congratulations!
    You advance to level 3
    

    View Slide

16. Teleport Control
    –Fabric
    –Capistrano
    –Mina
    –Git-deploy
    

    View Slide

17. Acquire skill: Alchemy
    – Plain Old Shell ScrollsScripts
    –     devstructure/blueprint
    – Chef, Puppet
    – Ansible
    

    View Slide

18. Congratulations!
    You advance to level 4
    

    View Slide

19. e Final Boss
    http://en.wikipedia.org/wiki/Slashdot_effect
    

    View Slide

20. e Final Boss: Gear Up!
    – Chef/Puppet
    – MCollective/Salt
    – Rundeck
    – Nagios Icinga
    – Graphite
    – Statsd
    – Logstash
    

    View Slide

21. Beyond the map
    – High Availability
    – Resiliency
    – Autoscaling
    – Self-healing
    Need a guide, sir?
    http://3ofcoins.net/
    maciej@3ofcoins.net
    

    View Slide