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

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About meeng. 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/

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

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

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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

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FabricFabric is a Python (2.5 or higher) library andcommand-line tool for streamlining the use ofSSH for application deployment or systemsadministration tasks.

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

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

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... and Advanced Onefrom fabric.api import sudodef 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

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PHP Web ApplicationsWeb Server PHP Files DB

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Python Web ApplicationsWeb Server uWSGI Python App DB

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

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Starting New Project1. Isolation - virtualenv2. Install required packages3. Custom settings - project template4. Database setup5. Nginx/uwsgi files creation

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

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From pure box to working server1. Install required packages2. Setup database server3. Deploy application4. Run application5. Go to celebrate

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Demofab -H <host> -f <fabfile location> startproject:<project_name>fab -H <host> -f <fabfile location> setup_serverfab -H <host> -f <fabfile location> deploy_project:<project_name>,<repo_url>

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Links & CopyrightsFabric: http://docs.fabfile.org/en/1.4.3/index.htmlFabric scripts used during presentation: https://github.com/IlianIliev/ubuntu-fabric-and-djangoIcons copyrights belongs to:● http://www.heartinternet.co.uk/● http://www.iconshock.com/● http://barrymieny.deviantart.com/