THE SHAPE OF CI/CD. Tom Duffield Software Engineer for Chef November 2nd, 2015

Transcription

1 THE SHAPE OF CI/CD Tom Duffield Software Engineer for Chef Delivery November 2nd, 2015

2 IT IS A JOURNEY TO CI & CD. We all start at different places. We all walk at different paces. This is a map. Follow your own path.

3 YOUR SUCCESS WILL BE DECIDED BY THE CULTURE OF YOUR TEAM

4 YOU MUST TRUST YOUR SYSTEM

5 UNDERSTAND YOUR GOALS

6 CONTINUOUS INTEGRATION

7 WHAT IS CONTINUOUS INTEGRATION?

8 CONTINUOUS INTEGRATION "Every time somebody commits any change, the entire application is built and a comprehensive set of automated tests is run against it." Humble, J. & Farley, D. Continuous Delivery: Reliable Software Releases through Build, Test and Deployment Automation.

9 EVERY TIME NIGHTLY ENTIRE APPLICATION = UI, API AND DB

10 THE GOAL OF EVERY BUILD SHOULD BE TO PRODUCE AN ARTIFACT THAT CAN BE GIVEN TO YOUR CONSUMERS.

11 SHIP FEATURES NOT RELEASES

12 ITERATIVE OVER INCREMENTAL

13 HOW YOU DEVELOP NOT HOW YOU BUILD

14 CONTINUOUS DELIVERY

15 WHAT IS CONTINUOUS DELIVERY ANYWAY?

16

17 HOW DO YOU DEFINE CONTINUOUS DELIVERY?

18 Continuous Delivery is the set of practices that, when followed, gives you the ability to safely push every build out to your consumers.

19 EVERY BUILD IS A RELEASE CANDIDATE

20 THE CHEF WORKFLOW Steps manual automated 1 Create a new change 2 Test Change Locally 3 Submit Change 4 Review Change 5 Approve Change 6 Deliver Change Verification Tests Build Artifacts Release Process Acceptance Tests

21 A SHARED WORKFLOW ACROSS PROJECTS AND TEAMS

22 SHARED WORKFLOW One Pipeline Infrastructure & Applications Acceptance Pipelines - Private Cookbook [A] Change review approve deliver Delivery Pipeline - Shared Cookbook [B] Change Application [A] Change review approve deliver review approve deliver union rehearsal delivered Application [B] Change review approve deliver

23 WHAT ARE UNION, REHEARSAL & DELIVERED?

24 Delivery Pipeline - Shared union rehearsal delivered TEST YOUR DEPLOYMENT THREE TIMES

25 Delivery Pipeline - Shared union rehearsal delivered UNION First deploy Don't break your consumers

26 Delivery Pipeline - Shared union rehearsal delivered REHEARSAL Clean deploy (rehearsal for delivered)

27 Delivery Pipeline - Shared union rehearsal delivered DELIVERED Final deployment Ready to be consumed

28 Delivery Pipeline - Shared union rehearsal delivered Build #1001

29 Delivery Pipeline - Shared union rehearsal delivered Build #1001 A

30 Delivery Pipeline - Shared union rehearsal delivered Build #1001 A A

31 Delivery Pipeline - Shared union rehearsal delivered Build #1001 A A A

32 Delivery Pipeline - Shared union rehearsal delivered Build #1001 A A A Build #1002 B

33 Delivery Pipeline - Shared union rehearsal delivered Build #1001 A A A Build #1002 B Build #1003 C

34 Delivery Pipeline - Shared union rehearsal delivered Build #1001 A A A Build #1002 B Build #1003 C C

35 Delivery Pipeline - Shared union rehearsal delivered Build #1001 A A A Build #1002 B Build #1003 C C C

36 A UNIFIED PIPELINE SHAPE THE STAGES ARE FIXED EACH STAGE HAS A FIXED SET OF PHASES

37 UNIFIED PIPELINE SHAPE Verify Build Acceptance Union Rehearsal Delivered Lint Merge Provision Provision Provision Provision Syntax Lint Deploy Deploy Deploy Deploy Unit Syntax Smoke Smoke Smoke Smoke Unit Functional Functional Functional Functional Quality Compliance Compliance Compliance Compliance Security Publish

38 QUESTIONS?

39 DEMO

40