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