J. Paul Reed Principal Consultant • Release Engineering Approaches

Crossing the CD Chasm

J. Paul Reed

•“Sober Build Engineer”•@SoberBuildEng on •Fifteen years as a build/release engineer

Also Available on iTunes

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@buildscientist

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@petecheslockwww.theshipshow.com

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Let’s Start with a Survey...

Continuous Delivery

Continuous DeliveryDeployment

Continuous DeliveryDeploymentDerpliveryment

Continuous Delivery Means Minimizing Lead Time From Idea To Production And Then Feeding Back To Idea Again. R o l f A n d re w R u s s e l l , T h o u g h t w o r k s

”“

Continuous Delivery Is A Set Of Principles And Practices To Reduce The Cost, Time, And Risk Of Delivering Incremental Changes To Users.

J e z H u m b l e”

“

Continuous Delivery Is Your Organization—Your Entire Organization—Caring About Release Engineering And Quality Assurance In A Way It Has Never Cared About Them Ever Before.M e

”

“

How Would

You Get

Across?

A Couple Possibilities

A Couple Possibilities

A Couple Possibilities

Let’s Build a Bridge!

Let’s Build a Bridge!

Let’s Build a Bridge!

Let’s Build a Bridge!

Let’s Build a Bridge!

Let’s Build a Bridge!

A Better Idea?

P R E P P I N G F O R T H E H I K E

Crossing the Chasm

O N T H E T R A I L

C A M P F I R E S T O R I E S

Prepping for the Hike

The Right People

The Right People

Developers • QA • Release Engineers • The “Business”

The Right Tools

Continuous...

Continuous... Integration?

Another Survey

Another Survey

P R E P P I N G F O R T H E H I K E

Jez’s CI Gauntlet

P R E P P I N G F O R T H E H I K E

Jez’s CI Gauntlet

•Put your hands up if you do continuous integration

P R E P P I N G F O R T H E H I K E

Jez’s CI Gauntlet

•Put your hands up if you do continuous integration•Put your hand down if all of the developers on your team don’t check into trunk/master at least once a day

P R E P P I N G F O R T H E H I K E

Jez’s CI Gauntlet

•Put your hands up if you do continuous integration•Put your hand down if all of the developers on your team don’t check into trunk/master at least once a day

•Put your hand down unless every check-in triggers build...

P R E P P I N G F O R T H E H I K E

Jez’s CI Gauntlet

•Put your hands up if you do continuous integration•Put your hand down if all of the developers on your team don’t check into trunk/master at least once a day

•Put your hand down unless every check-in triggers build...• ... followed by unit tests...

P R E P P I N G F O R T H E H I K E

Jez’s CI Gauntlet

•Put your hands up if you do continuous integration•Put your hand down if all of the developers on your team don’t check into trunk/master at least once a day

•Put your hand down unless every check-in triggers build...• ... followed by unit tests...• ... for the complete product

P R E P P I N G F O R T H E H I K E

Jez’s CI Gauntlet

•Put your hands up if you do continuous integration•Put your hand down if all of the developers on your team don’t check into trunk/master at least once a day

•Put your hand down unless every check-in triggers build...• ... followed by unit tests...• ... for the complete product•Put your hands down if broken builds are not fixed within 10 minutes

P R E P P I N G F O R T H E H I K E

Often Forgotten in CI Land

P R E P P I N G F O R T H E H I K E

Often Forgotten in CI Land•Configuration management

P R E P P I N G F O R T H E H I K E

Often Forgotten in CI Land•Configuration management•Backups

P R E P P I N G F O R T H E H I K E

Often Forgotten in CI Land•Configuration management•Backups•Connection to source code repositories

P R E P P I N G F O R T H E H I K E

Often Forgotten in CI Land•Configuration management•Backups•Connection to source code repositories•Access control

P R E P P I N G F O R T H E H I K E

Telling Indicators

P R E P P I N G F O R T H E H I K E

Telling Indicators•Possible to switch continuous integration software?

P R E P P I N G F O R T H E H I K E

Telling Indicators•Possible to switch continuous integration software?• “Show me your CI slaves”

P R E P P I N G F O R T H E H I K E

Telling Indicators•Possible to switch continuous integration software?• “Show me your CI slaves”•NTP (my favorite!)

What Happens When...

What Happens When...

Integrating Streams of Change

On The Trail

Getting Started

A Great Catalyst. . . To Avoid

Rethinking Fundamentals

Rethinking Fundamentals

Rethinking Fundamentals

Questions on Quality

O N T H E T R A I L

Continuous Quality

O N T H E T R A I L

Continuous Quality• Laser-focus on defect testing

O N T H E T R A I L

Continuous Quality• Laser-focus on defect testing• Integration/systems testing

O N T H E T R A I L

Continuous Quality• Laser-focus on defect testing• Integration/systems testing•Start with The ComponentTM

O N T H E T R A I L

Continuous Quality• Laser-focus on defect testing• Integration/systems testing•Start with The ComponentTM

• Fuzz testing

On Silos

On Silos

Flow Down the Mountain

Campfire Stories

Continuous Delivery =

Ship Every Single Commit

Continuous Delivery requires

Git

Continuous Delivery is only for web applications

Printers?

Core Internet Infrastructure?

"What's Important About Continuous Delivery: It's Not About How Fast You Can Turn The Crank, It's The Confidence With Which You Can [Turn That Crank].D a m o n E d w a rd s , E p i s o d e 1 5 , T h e S h i p S h o w

”

“

Serious Infrastructure

You can implement Continuous

Delivery using the same QA/RelEng

strategies as always.

You can implement Continuous Delivery

by yourself. Or without focused

investment

Hiking Alone is Dangerous

You can implement Continuous

Delivery without an increase in

transparency

“My Part Is Automated!”

“My Part Is Automated!”

Flow = Visibility

Hiking the Chasm

Won’t Be Easy...

But Worth It

J. Paul Reed Principal Consultant • Release Engineering Approaches

Thanks!

Hikes Through Other Canyons