What the DevOps - What is it, how did it come here, what does it feel like?

Food for thought presents:What the DevOps?

A view to developments in the software industry in the last decades

And

What does it mean for an engineer to DevOps?

Towo Toivola / Ferrix Hovi

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This presentation is based on similar grounds as Dr. Royce’s article, but more of it.

Towo ToivolaJunior programmer, system administrator, lead test engineer, Scrum Master, team manager, organizational efficiency director

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Ferrix HoviSenior software engineer, test automation engineer, live-team engineer, Scrum Master

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World in the 1980’sIntenti

ons

System

Software-

making

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New, organized world

Software-

making

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Split the elephant

I am the customer

I sell you software

I manage the

product

I run the system

I test software

I program software

I define architectu

re

I support the

product

$

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Excellent!

Split the problem to understandable pieces.Leverage the power of

specialization.

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Not so excellen

t..

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Each gap from a specialized group to another causes: Breakdown of communication and understanding about

the system Detailed documentation was no cure

Slower feedback for work products How soon will you really know if you were successful?

Responsibility taking on only own part of the chain

Disadvantages of traditional

organization

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System understandingSystem responsibilityFeedback

=PAIN

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New pain

I am the customer

I sell you software

I run the system

I test software

I program software

I define architectu

re

I support the

product

$

PAIN

PAIN

PAIN

PAIN

PAIN

PAINI manage

the product

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What causes

the pain between boxes?

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Different process, different boss, different room, different goals, different priorities

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We have made a

number of improvements over the

years

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We bring programming and testing together

I am the customer

I sell you software

I run the system

We develop software, ensuring quality

I define architectu

re

I support the

product

$

PAIN

PAIN

PAIN

PAIN

PAIN

I manage the

product

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We bring product ownership near

the team

I am the customer

I sell you software

I run the system

We develop software, ensuring quality

I define architectu

re

I support the

product

$

PAIN

PAIN

PAIN

PAIN

I manage the

product with

engineers

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We bring architecture

ownership to the team

I am the customer

I sell you software

I run the system

We design and develop a complete software product,

ensuring quality

I support the

product

$

PAIN

PAIN

PAIN

I manage the

product with

engineers

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We enable ownership of a

service in a team

I am the customer

I sell you software

We design and develop a complete software system,

ensuring quality of the service

I support the

product

$PAIN

PAIN

I manage the

product with

engineers

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Can you see

where this is going?

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Where is this

easy?

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Small companies

I am the customer

...sell, define, design and develop a complete software system,

ensuring quality of the service, supporting our users

$

We are not too many people, so we better all work together, with our

expertize, to..

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Where is this

hard?

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In our companie

s

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Our size,Our

legacy thinking

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Summa summarum part 1:This is a part of an on-going trek to figure out and rationalize software making organizations and process

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Summa summarum part 2:We should still leverage specialization, but we need to ensure the whole works together smoothly

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And now to

concretia..

IT HURTSHow does it feel to DevOps

DEVOPS IS NOT ONLY A

PROCESS.

IT IS A CHALLEN

GE.© F-Secure Confidential29

IT IS SUPPOSE

D TO HURT. IT

IS A MINDSET CHANGE.© F-Secure Confidential30

WE ARE ALL

WRONGWE ARE

ALL RIGHT

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WE LACKED THE

CULTURE TO RECRUIT WHO WE

NEED NOW© F-Secure Confidential32

PERSPECTIVEDISTANCE

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Architect

Developer

TesterSysadmin

Support

FOR OPERATION

S:ETERNAL

SEPTEMBER© F-Secure Confidential34

SEPTEMBER Who let these n00bs in as root? They have access and they won’t behave They have access and they won’t understand They have access and they mess things up THEY are in my backyard ruining my garden

They are not going anywhere, we need to change!

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FROM COMPLAINE

R TO DESIGNER

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FORDEVELOPER

S:ONE NIGHT MIRACLE

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MIRACULOUS What is this Linux anyway? What is hardening? I think we need a firewall. This monitoring could be better This deployment is actually tedious

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FROM WORKS ON

MY MACHINE

TO IMPROVING

THE SERVICE

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FOR TESTERS:ALL THESE

NEW REQUIREME

NTS© F-Secure Confidential40

REQUIREMENTS

The environments have to work in production I need to fix what I find

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FROM CRITIC

TO OWNER

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ALL WORK NEEDS TO HAPPEN IN THE SAME

AMOUNT OF TIME

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AMOUNT OF USEFUL WORK

REMAINS THE SAME

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THEY COULD HAVE DONE

IT ALL ALONG

NOW THEY MUST

CREATE THE TOOLS

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TAKE THE PERSPECTIV

E…

SUCCESSFULLY

AND ACT ON IT

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