Grails hudson ixxus_template

Grails & Hudson
Lean Java Engineering
Robin Bramley
October 2010
1

About me
A hands-on Senior Architect at Ixxus
Working on Grails & Alfresco projects
Worked for consultancies for the last 12 years
Lead Architect on Virgin Money Giving – a finalist in the BCS 2010 Awards
Technical Architect on several phases of the award winning ConCert programme at Aon
Contributions to a wide range of Open Source projects including adding OpenID support to Spring Security
14 years Java, 5 years Spring/Hibernate, 4 years Groovy, 3 years Grails, 2 years Hudson...

Continuous Integration
“Continuous Integration is a software development practice where members of a team integrate their work frequently, usually each person integrates at least daily - leading to multiple integrations per day. Each integration is verified by an automated build (including test) to detect integration errors as quickly as possible. Many teams find that this approach leads to significantly reduced integration problems and allows a team to develop cohesive software more rapidly.” – Martin Fowler

Why is CI needed?
It works on my machine
Oops, I forgot to run tests before that check in...
I’ll just check my work in before I go home...
It helps to encourage better developer behaviour

Andon lights

Extreme feedback

Ownership of issue
Reproduced with permission

Why Hudson?
Open Source
Award winning
Easy to use:
Distributed as a Java war-file
SCM support
Build tool support
Post build actions
Notifications
Easy to extend with plug-ins
Collates trend statistics

Why Hudson (for the Enterprise)?
Can integrate with LDAP for authentication/authorisation
Supports master/worker for scale-out
IDE plug-ins available (e.g. )
Remote accessAPI
Commercial support option from

What will we see?
SCM integration
Polling for changes
Check out
Tagging
Testing
Unit / integration tests
Functional tests
Analysis
CodeNarc
Cobertura
Automated deployment

Process overview
1. Test locally (automated & manual)
2. Check in
3. Hudson polls the code repo
4. Hudson triggers job
5. Hudson checks out code
6. Hudson compiles & tests code
7. Hudson builds war
8. Hudson deploys war
9. Hudson tags the build

Questions?
Robin Bramley
Blog: http://leanjavaengineering.wordpress.com
Twitter: @rbramley
LinkedIn: http://uk.linkedin.com/in/rbramley

Grails hudson ixxus_template

by Skills Matter on Oct 19, 2010

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