Engineering change: leading a transformation

Engineeringchange
leading a transformation
Mike McGarr
@SonOfGarr
© J. Michael McGarr, 2018

We want devops!

simple,justlearnthis.

LEAN INFRASTRUCTURE AS
CODE
CALMS
KANBAN CONTINUOUS DELIVERY DEMING
MONITORING TEST AUTOMATION THE TOYOTA WAY
CYCLE TIME, LEAD TIME MVP THE PHOENIX PROJECT
MTTR DevOpsDays CONTINUOUS
INTEGRATION
THE THREE WAYS TDD CLOUD
DEPLOYMENT PIPELINES CYNEFIN CULTURE/SILOS
VIRTUALIZATION ACCEPTANCE TESTING

oh,andusethesetools

DOCKER CHEF ANSIBLE NAGIOS
CHAOS MONKEY SPRING CLOUD AZURE PACKER
EUREKA ETCD PUPPET ELASTIC
SEARCH
HYSTRIX DROPWIZARD MONOREPO KIBANA
GIT JENKINS CASSANDRA LOGSTASH
LIQUIBASE SELENIUM CUCUMBER ARTIFACTORY
CONSOL TERRAFORM KUBERNETES SLACK

are you kidding me?

just do it!

HowdoIdevops?

HowdoImakea
changewithinmyorganization?© J. Michael McGarr, 2018

build a map
launch a campaign
engineer change

buildamap© J. Michael McGarr, 2018

first, you must understand your
environment

organizational structure

how does change happen?

change agents

evangelist
maven
salesman
connector

Who are the change agents?

culture© J. Michael McGarr, 2018

culture

people
· who you hire?
· how you hire?
· who you fire?
· how you fire?
· how you train?
· do you train?

Themostimportantpeopletothe
culturearethosewholeave
— Andy Dunn, Creating culture: An imperfect recipe

process
· Institutionalized behaviors
· Ex. - payroll, promotions,
bug tracking

Howheavilydoesyourorganization
relyonprocesstosolveproblems?

tools
· Manifested of organizational
process
· Ex. - spreadsheets, JIRA, TPS
reports

valuesand
behavior© J. Michael McGarr, 2018

values
· What are your stated values?
· Do you have unstated
values?

values
· What are your stated values?
· Do you have unstated values?
behavior
· What is expected?
· What is accepted?
· What is rewarded?

How does this relate to change?

scoping a change

Example:Versioneverything

cost of change varies

launcha
campaign© J. Michael McGarr, 2018

change takes time

changecampaigns

there will be resistance

culturalimmunesystem

start small

thediffusionofinnovation

iterate

iterate
1. plan - set objectives
2. do - execute plan
3. check - measure execution
4. act - improve based on
measurements

plan

identifyyouraudience

motivations

business goals

intrinsicmotivators
· curiosity
· honor
· acceptance
· mastery
· power
· freedom (autonomy)
· relatedness
· order
· goal (purpose)
· status

timing

crisisasacatalyst

communication

communicationshould
1. raise awareness
2. get buy-in
3. drive change

beconcise

inonesentence
who
what
when
why
how

multiplechannels
· email
· meetings
· brown bags
· posters
· system messages

repeat
repeat
repeat

don'tunderestimatethepowerof
language© J. Michael McGarr, 2018

avoidbuzzwords
· devops
· continuous delivery
· agile
· test driven development

avoidbuzzwords
· reduce time to market
· improve availability
· increase engineering velocity
· reduce lead time
· reduce delivery costs

check

How do we know when we are done?

measurablegoals
· reduce time to market
· improve availability
· increase engineering velocity
· reduce lead time
· reduce delivery costs

visualizeprogress

act

evolveyourmessage

"Wanted:betatesters"

"productionready"

"acureforwhatailsye"

"deprecationwarning:theendisnigh!"

"youarethelasttogo"

"let'shelpyoufinish"

tools, agents of change
making change easy

tools,agentsofchange

changingculture

Train well
Hire well
Fire well

culturechangeisa
outcome,notagoal

makingchangeeasy

reducethecostofchange

Example - deprecate a logging library

3000 Git repositories
1-2 weeks eﬀort per repo
~240,000peoplehours

2years

1. find all git repos
2. convert all code to AST
3. find the variety of calls to logging library
4. transform all code to call new logging library
5. issue pull requests to all git repos
6. automate testing for every pull request

3000 Git repositories
1 engineer for 3 months
1 day eﬀort per repo
~12,480peoplehours

2months

changeistheonlyconstant

QuestionsMike McGarr
@SonOfGarr
mmcgarr at netflix dot com

Engineering change: leading a transformation

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Engineering change: leading a transformation