Scrum Gathering 2012...
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Continuous Integration From Ground To Cloud
Juven Xu 许晓斌
@juvenxu
Father, Programmer, Trainer, Coacher, and Author
I’m going to talk
1. Challenges of CI, and possible solutions.
2. What is CI in Cloud, and what we can benefit from it.
Essential
Fast Feedback
High Quality
Challenges
1. People don’t want to change
2. Slow build
3. No/little tests
4. Communication gap between dev team and CI
People Don’t Want To Change
Find their pain point
Demonstrate the new idea
Support from management level
Slow Build
1. Optimize your machine
2. Optimize your code
3. Optimize your build
Optimize Your Build
Dedicated Build Farm
Build Stages
Parallel Build
Incremental Build
In Memory Build
No/Little Tests
1. Start with smoke test (best ROI)
2. Introduce TDD/ATDD
3. Use metrics to encourage people
4. Support from management level
Communication Gap between dev and CI team
Eat your own dog food
CI as a service
Where Is the Cloud?
Cloud Computing In a Nutshell
SaaS / PaaS / IaaS
Public / Private Cloud
CI in Cloud
Improve Resource Utilization
Reduce Maintenance Overhead
Benefits of CI in Cloud
Benefits of CI in Cloud
Multiple build environment is easy
Parallel build is easy
Multiple test environment is easy
Benefits of CI in Cloud
No communication gap between dev and CI team
travis-ci.org
&
Concerns of CI in Cloud
It might be slower
It might have technical constraints
It might not conform to your security policy
@juvenxu
Q & A