Presentation about automation and slight look at Fabric and Django

1. Automation, Fabric and
Django...
...or how to make our lives better

2. About me
eng. Ilian Iliev
● Web Developer for 8 years
● Python/Django fan for 3 years
● Ubuntu user for 2 years
● Part of Cybert Arts Web Team
● iiliev@melontech.com
● http://ilian.i-n-i.org
● https://github.com/IlianIliev/

3. Repetition
"Repetition leads to boredom, boredom to
horrifying mistakes, horrifying mistakes to
God-I-wish-I-was-still-bored" Will Larson

4. Automation
● Daily tasks
● Server setup
● System update/maintenance tasks
● New project creation
● Deployment procedures
All of the above on multiple stations all around
the world cloud

5. Show me the Money
or
What we Gain
Developers QAs Admins
● easy deployment ● new build here and now ● less work
● less mistakes ● automate smoke test ● move server setup in the
● no more begging the process hands of the developers
admins ● no more "make me a
new build" requests
● focus only on specific
problems

6. Fabric
Fabric is a Python (2.5 or higher) library and
command-line tool for streamlining the use of
SSH for application deployment or systems
administration tasks.

7. Why Fabric
● It is Python(Python is awesome)
● It is simple
● It is light
● It is quick
● It is useful

8. Simple Example ...
from fabric.api import run
def host_type():
run('uname -s')
#fab -H localhost, linuxbox host_type

9. ... and Advanced One
from fabric.api import sudo
def add_user(user, make_sudoer = False):
with settings(warn_only=True):
result = sudo('useradd -m %s' % (user))
if not result.failed:
if make_sudoer:
sudo('echo "%s ALL=(ALL) ALL" >> /etc/sudoers' % user)
password = generate_password()
sudo('echo "%s:%s" | chpasswd' % (user, password))
return password
return False

10. PHP Web Applications
Web Server PHP Files DB

11. Python Web Applications
Web Server uWSGI Python App DB

12. The Tools
● Ubuntu
● Python
● Fabric
● Virtual environment
● Django
● Nginx
● uWSGI
● MySQL
● GIT

13. Starting New Project
1. Isolation - virtualenv
2. Install required packages
3. Custom settings - project template
4. Database setup
5. Nginx/uwsgi files creation

14. Your Box(in the Cloud)
● VPS
● OS Image
● SSH

15. From pure box to working server
1. Install required packages
2. Setup database server
3. Deploy application
4. Run application
5. Go to celebrate

16. Demo
fab -H <host> -f <fabfile location> startproject:<project_name>
fab -H <host> -f <fabfile location> setup_server
fab -H <host> -f <fabfile location> deploy_project:<project_name>,<repo_url>

17. Links & Copyrights
Fabric: http://docs.fabfile.org/en/1.4.3/index.html
Fabric scripts used during presentation: https://github.
com/IlianIliev/ubuntu-fabric-and-django
Icons copyrights belongs to:
● http://www.heartinternet.co.uk/
● http://www.iconshock.com/
● http://barrymieny.deviantart.com/