Atagg2015 Continuous delivery by building environment using docker

•

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The document discusses how PayUMoney uses Docker containers to enable continuous delivery. It outlines challenges with limited testing environments and long setup times. PayUMoney developed a standardized Docker setup to allow anyone on the team to quickly spin up production-like environments on their own laptops. This enabled automated testing of all code branches, fast merging to mainline, and continuous deployment to production with zero downtime releases. Speakers Nitin Mukhija and Tarun Lalwani from PayUMoney presented on how Docker simplified their environment management and improved their delivery process.

Technology

Topic: Continuous Delivery by Building
environment using Docker
Presenter: Nitin Mukhija & Tarun Lalwani
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Brought To You By
&

FYI
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Hopefully this will not happen, so lets
get started…
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Release Strategy - Challenge
• Want Zero downtime Releases
– During Release i.e. code deployment
– Throughout – well tested code on Live
• Fast delivery of High Quality Product
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• What we are doing everyday...
– Serving 800K transactions requests
– 4-5 Production Releases
– With...Zero Downtime

How we do it?
• Established Rigorous Agile cycle involving
PM
DevDeployment
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to trap defects in the early stages of SDLC
Test

Let’s see how...
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Release Strategy
• We cater to fast changing requirements
– coming from multiple sources
– no formal sprints
• Requirements Review
– Feature team meetings to stay synchronized
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– Feature team meetings to stay synchronized
• Acceptance Test Cases
– Preparation
– Review by PM & Dev
• Development & Testing
– Modelled for Continuous Delivery

Development & Testing
• Area Owners – Modular Development –
reduces bugs
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Gitlab Application
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Development & Testing
• Area Owners – Modular Development –
reduces bugs
• Code branches - Catch the train model – non-
blocking releases
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blocking releases

Dev Code branch
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Challenge in Testing Dev Code branch
• Team of 70 developers and testers
– Limited number of environments
– A server with 8 GB RAM and 4 core CPU can host only
2 environments
– Time wasted in waiting for environment to be
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– Time wasted in waiting for environment to be
available
– Test environments NOT mock production
– Not possible to run automation on just any
environment
– Difficult to maintain growing number environments
– Manual process to create new test environment – 2
days

What we required
• Ability for anyone in team to create new test
env anytime on the fly
• Scalable model – to take care of complexity
• Easy to use and maintain
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• Easy to use and maintain
• Customizable deployments

Lets see how we did that…
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Bare Metal v/s VMs v/s Containers
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Bare Metal – Access to
actual physical machine
VMs

Docker
• Standard image format
• Deploy on any server with any supported OS
• Easy to launch independent services
• Easy to deploy through docker hub or private
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• Easy to deploy through docker hub or private
registry

Docker Demo
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PayUMoney Environment
• Complex environment with multiple services
– Centos 6.5
– Tomcat
– Nginx
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– Nginx
– MySQL master-slave
– Redis Master-slave
– RabbitMQ

Production Like Test Env on
Every Laptop
- git clone <repo> payu-automation
- ./install.sh
PP65
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Server/Physical
Ubuntu/Centos/VM
PP1
PP2
PP3
PP4
PP5
PP6
PP65
PP66
PP67
PP68
PP69
PP70

Life made easy - Continuous Delivery
• Create standard Production like environment in
minutes
– Every team member has their own test environment
– Dev code branches automatically synched with
Confidential | Copyright © Agile Testing Alliance Global Gathering
– Dev code branches automatically synched with
mainline and deployed – CI
– Automation is kicked off automatically
– Once tester signs off, code is merged to mainline
– Release the code changes in mainline to Production -
ANYTIME – Achieving Continuous Delivery

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That’s strange, not even a single
Oxygen mask dropped!!
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Oxygen mask dropped!!

• Nitin Mukhija, Director of Testing at PayU
– https://in.linkedin.com/in/nitinmukhija
– @nitin_mukhija
– nitin.mukhija@gmail.com
Confidential | Copyright © Agile Testing Alliance Global Gathering
• Tarun Lalwani, Director TARLABS™
– https://in.linkedin.com/in/tarunlalwani
– @TARLABS
– tarun@tarlabs.com

Thank You!
atagg@agiletestingalliance.org
@AgileTA
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@AgileTA
https://www.facebook.com/AgileTestingAlliance
contact@unicomlearning.com
@UNICOMLearning
https://www.facebook.com/joinunicom

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4. Release Strategy - Challenge • Want Zero downtime Releases – During Release i.e. code deployment – Throughout – well tested code on Live • Fast delivery of High Quality Product Confidential | Copyright © Agile Testing Alliance Global Gathering • What we are doing everyday... – Serving 800K transactions requests – 4-5 Production Releases – With...Zero Downtime

7. Release Strategy • We cater to fast changing requirements – coming from multiple sources – no formal sprints • Requirements Review – Feature team meetings to stay synchronized Confidential | Copyright © Agile Testing Alliance Global Gathering – Feature team meetings to stay synchronized • Acceptance Test Cases – Preparation – Review by PM & Dev • Development & Testing – Modelled for Continuous Delivery

10. Development & Testing • Area Owners – Modular Development – reduces bugs • Code branches - Catch the train model – non- blocking releases Confidential | Copyright © Agile Testing Alliance Global Gathering blocking releases

12. Development & Testing • Area Owners – Modular Development – reduces bugs • Code branches - Catch the train model – non- blocking releases Confidential | Copyright © Agile Testing Alliance Global Gathering blocking releases • Mandatory Code Reviews • Only Test team can push code to Prod • Dev-Test pair close collaboration – catch bugs early

13. Challenge in Testing Dev Code branch • Team of 70 developers and testers – Limited number of environments – A server with 8 GB RAM and 4 core CPU can host only 2 environments – Time wasted in waiting for environment to be Confidential | Copyright © Agile Testing Alliance Global Gathering – Time wasted in waiting for environment to be available – Test environments NOT mock production – Not possible to run automation on just any environment – Difficult to maintain growing number environments – Manual process to create new test environment – 2 days

14. What we required • Ability for anyone in team to create new test env anytime on the fly • Scalable model – to take care of complexity • Easy to use and maintain Confidential | Copyright © Agile Testing Alliance Global Gathering • Easy to use and maintain • Customizable deployments

17. Docker • Standard image format • Deploy on any server with any supported OS • Easy to launch independent services • Easy to deploy through docker hub or private Confidential | Copyright © Agile Testing Alliance Global Gathering • Easy to deploy through docker hub or private registry

19. PayUMoney Environment • Complex environment with multiple services – Centos 6.5 – Tomcat – Nginx Confidential | Copyright © Agile Testing Alliance Global Gathering – Nginx – MySQL master-slave – Redis Master-slave – RabbitMQ

20. Production Like Test Env on Every Laptop - git clone <repo> payu-automation - ./install.sh PP65 Confidential | Copyright © Agile Testing Alliance Global Gathering Server/Physical Ubuntu/Centos/VM PP1 PP2 PP3 PP4 PP5 PP6 PP65 PP66 PP67 PP68 PP69 PP70

21. Life made easy - Continuous Delivery • Create standard Production like environment in minutes – Every team member has their own test environment – Dev code branches automatically synched with Confidential | Copyright © Agile Testing Alliance Global Gathering – Dev code branches automatically synched with mainline and deployed – CI – Automation is kicked off automatically – Once tester signs off, code is merged to mainline – Release the code changes in mainline to Production - ANYTIME – Achieving Continuous Delivery

24. • Nitin Mukhija, Director of Testing at PayU – https://in.linkedin.com/in/nitinmukhija – @nitin_mukhija – nitin.mukhija@gmail.com Confidential | Copyright © Agile Testing Alliance Global Gathering • Tarun Lalwani, Director TARLABS™ – https://in.linkedin.com/in/tarunlalwani – @TARLABS – tarun@tarlabs.com

25. Thank You! atagg@agiletestingalliance.org @AgileTA Confidential | Copyright © Agile Testing Alliance Global Gathering @AgileTA https://www.facebook.com/AgileTestingAlliance contact@unicomlearning.com @UNICOMLearning https://www.facebook.com/joinunicom

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