1. DC Continuous
Integration, Delivery and
Deployment User Group

2. Thank you Excella Consulting
2

3. Excella is Hiring!
3

4. Upcoming Events
• October 15th – Continuous Delivery in the
Cloud Case Study (Paul Duvall)
• November 7th – Anatomy of a Build
Pipeline (Sam Brown)
• December 13th – Finalizing Speaker
4

5. Continuous Delivery
Applied
Mike McGarr
mike.mcgarr@excella.com
http://earlyandoften.wordpress.com
http://www.meetup.com/DC-continuous-
integration/
@jmichaelmcgarr

6. About Me
• J. Michael (Mike) McGarr
• Excella Consulting, Arlington VA
• Lead of Excella’s Java Center of Excellence
• Founder of the DC Continuous Integration,
Delivery, and Deployment Meetup
6

7. Continuous Delivery is…
…a set of practices and principles aimed at,
building, testing, and releasing software
faster and more frequently.
7

8. 8

9. “Our highest priority is to satisfy the
customer through early and
continuous delivery of valuable
software.”
- First of the Twelve
Principles behind the Agile Manifesto
9

10. Goals
Quality Cycle Time
10

11. Cycle Time
“How long would it take your organization to
deploy a change [to production] that involves
just one single line of code? Do you do this on a
repeatable, reliable basis?”
- Mary and Tom Poppendieck,
Implementing Lean Software Development
11

12. The Last Mile
Manual Deployments
Insufficient Configuration Management
Infrequent, Error Prone Deployments
12

13. Stressful
Releases
13

14. Frequent Automated
Deployments
http://flic.kr/p/29Ree
14

15. Always Production Ready
15

16. Continuous Deployment
Deployment Pipelines
Deployment Automation
Configuration Continuous
Management
Testing
Integration
Agile
16

17. Deployment Pipelines
http://www.fotopedia.com/users/chmehl 17

18. Deployment Pipelines
A Deployment Pipeline is an automated
manifestation of your process for getting
software from version control into the
hands of your users.
18

19. Deployment Pipelines
(aka Build Pipelines)
19

20. Continuous what?
Continuous Continuous Continuous
Integration Delivery Deployment
20

21. Getting Started
Continuous Delivery Applied

22. Understand your Process
http://www.michaelnygard.com/blog/2008/02/outrunning_your_headlights.html
22

23. Understand your Organization
23

24. Developers
http://flic.kr/p/5cK2
24

25. Deployment Pipelines
(aka Build Pipelines)
25

26. Test Driven Development
http://reddevnews.com/articles/2007/11/01/testdriven-development-tdd.aspx 26

27. Evolutionary Design
27

28. Automate the Build
28

29. Static Code Analysis
CheckStyle
29

30. Technical Debt
30

31. The Team
31

32. Agile
32

33. Continuous Integration
33

34. Continuous Integration
Check-in Daily
Commit to Trunk
Automate the Build
Keep the Build Fast
Every Commit results in Build
Test in Clone of Production
Automate Deployment
34

35. Testing
35

36. Testing Phases
36

37. Testing is not a Phase
http://flic.kr/p/6bcg 37

38. Specification by Example
38

39. Specification by Example
39

40. Automated Performance Testing
40

41. Configuration Management
41

42. Version Control
42

43. Build Once, Deploy Many
43

44. Artifact Repositories
44

45. Traceability
45

46. Versioning Numbers
46

47. Externalize Configuration
ESCAPE Database
47

48. Deploying
48

49. Deployment Pipelines
(aka Build Pipelines)
49

50. Code Deployments
50

51. Version your Database
51

52. 52

53. Infrastructure as Code
53

54. Puppet
54

55. Vagrant
55

56. Monitoring (sucks)
https://github.com/monitoringsucks
56

57. Continuous Deployment
57

58. Contact Me
Mike McGarr
mike.mcgarr@excella.com
http://earlyandoften.wordpress.com
@jmichaelmcgarr
58

59. Further Reading
• Continuous Delivery: Reliable Software Releases through Build, Test
and Deployment Automation, by Jez Humble and David Farley -
http://www.amazon.com/Continuous-Delivery-Deployment-Automation-
Addison-Wesley/dp/0321601912
• Test Driven Development (TDD) – http://en.wikipedia.org/wiki/Test-
driven_development
• Introducing BDD, by Dan North – http://dannorth.net/introducing-bdd/
• Agile Manifesto – http://agilemanifesto.org/
• Scrum – http://www.scrumalliance.org/learn_about_scrum
• Continuous Integration, by Martin Fowler –
http://martinfowler.com/articles/continuousIntegration.html
• Specification by Example, by Gojko Adzic -
http://specificationbyexample.com/
• Build Pipelines - http://www.magpiebrain.com/2009/12/13/a-brief-and-
incomplete-history-of-build-pipelines/
59

60. Further Reading
• Maven Releases on Steriods, by Axel Fontaine –
http://www.axelfontaine.com/2011/01/maven-releases-on-steroids-
adios.html
• What is in a Name? Usually a version number, actually., by James
Betteley - http://jamesbetteley.wordpress.com/2011/07/07/what-is-in-a-
name-usually-a-version-number-actually/
• Build Once, Deploy Many -
http://earlyandoften.wordpress.com/2010/09/09/build-once-deploy-
many/
• Evolutionary Design - http://martinfowler.com/articles/designDead.html
• Continuous Deployment -
http://timothyfitz.wordpress.com/2009/02/08/continuous-deployment/
• Sonar’s Technical Debt Calculation -
http://www.sonarsource.org/evaluate-your-technical-debt-with-sonar/
• Gherkin - https://github.com/cucumber/cucumber/wiki/Gherkin
60

61. Tools
• Git - http://git-scm.com/
• Subversion - http://subversion.tigris.org/
• Mercurial - http://mercurial.selenic.com/
• Rational ClearCase - http://www-
01.ibm.com/software/awdtools/clearcase/
• Serena Dimensions CM - http://www.serena.com/products/dimensions-
cm/index.html
• Ant - http://ant.apache.org/
• Ivy - http://ant.apache.org/ivy/
• Maven - http://maven.apache.org/
• Gradle - http://gradle.org/
• JUnit – http://www.junit.org/
• Mockito – http://code.google.com/p/mockito/
• Hamcrest – http://code.google.com/p/hamcrest/
• Spock – http://code.google.com/p/spock/
• dbUnit – http://www.dbunit.org/
• Unitils – http://unitils.org/summary.html
61

62. Tools
• Findbugs – http://findbugs.sourceforge.net/
• PMD – http://pmd.sourceforge.net/
• Checkstyle – http://checkstyle.sourceforge.net/
• JIRA – http://www.atlassian.com/software/jira/overview
• GitHub – https://github.com/
• Jenkins - http://jenkins-ci.org/
• TeamCity – http://www.jetbrains.com/teamcity/
• Nexus – http://www.sonatype.org/nexus/
• Artifactory – http://www.jfrog.com/products.php
• Sonar – http://www.sonarsource.org/
• FitNesse –
• Concordion – http://www.concordion.org/
• Cucumber – http://cukes.info/
• easyb – http://www.easyb.org/
• jBehave - http://jbehave.org/
• geb - http://www.gebish.org/
62

63. Tools
• Liquibase – www.liquibase.org/
• Flyway – http://code.google.com/p/flyway/
• Escape – http://code.google.com/p/escservesconfig/
• Puppet – http://puppetlabs.com/
• Chef – http://www.opscode.com/chef/
• Vagrant – http://vagrantup.com/
• JMeter – http://jmeter.apache.org/
• Nagios - http://www.nagios.org/
63