Docker at eBay

How we use Docker to build and test eBay Now

Transcript

1. Docker at eBay
   Ted Dziuba
   Senior Member of Technical Staff
   eBay Now
   tdziuba@ebay.com
   Wednesday, July 31, 13
   

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2. Docker at eBay
   Virtualenv’s Broken Promises: Encapsulation
   2
   ted@workstation:~$ pip install lxml
   This will fail spectactularly on a clean Ubuntu machine.
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3. Docker at eBay
   Virtualenv’s Broken Promises: Encapsulation
   3
   Get your OS-level dependencies first, of course.
   ted@workstation:~$ sudo apt-get install python-dev libxml2-dev libxslt1-dev
   Works on My Machine Works on Our Machines Works in Production
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4. Docker at eBay
   Getting There with Vagrant
   4
   Works on My Machine Works on Our Machines Works in Production
   install_cmd = “apt-get update; apt-get install -y python-dev ”\
   “libxml2-dev libxslt1-dev; pip install -r requirements.txt;”
   config.vm.provision :shell, :inline => install_cmd
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5. Docker at eBay
   You Can’t Ship a Vagrantfile
   5
   Vagrant VM Production
   Application
   Database Redis
   Memcache RabbitMQ
   Load Balancer
   Database
   Load Balancer
   Database
   Database
   Redis
   Load Balancer
   Redis
   Application
   Load Balancer
   Application
   RabbitMQ
   Load Balancer
   RabbitMQ
   RabbitMQ
   Memcache
   Memcache
   Memcache
   Memcache
   Memcache
   Memcache
   Memcache
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6. Docker at eBay
   Production never gets less containerized.
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7. Docker at eBay
   Containerizing Development in eBay Now
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   FROM teddziuba/python2.7
   ADD requirements.txt /tmp/requirements.txt
   RUN pip install -r /tmp/requirements.txt
   Application Dockerfile
   Containerized DB
   ted@workstation:~$ docker run -d teddziuba/
   postgresql-development-9.2
   Django manage.py
   wrapper
   ted@workstation:~$ docker run -t -i -p
   8000:8000 -e DATABASE_URL=’...’ -v /path/to/
   src:/app-dev ebaynow python /app-dev/
   manage.py runserver 0.0.0.0:8000
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8. Docker at eBay
   Containerize service dependencies and address them as
   environment variables.
   8
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9. Docker at eBay
   Development Containers Go Straight to CI
   9
   Thing Under Test
   Database Container
   Integration Test Case
   Container
   Application Container
   Jenkins Test Runner
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10. Docker at eBay
    Run database driven tests in parallel.
    10
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11. Docker at eBay
    Docker in Production at eBay (Coming Soon)
    11
    Thing Under Test
    Database Container
    Integration Test Case Container
    Thing Serving HTTP Traffic
    Production Database
    Load Balancer
    Application Container
    Database Container
    Emacs
    My Workstation Jenkins Production
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12. Docker at eBay 12
    Works on My Machine Works on Our Machines Works in Production
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13. Docker at eBay
    Questions?
    13
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