case study: gm financial builds a sustainable, holistic, continuous delivery practice

World®’16

CaseStudy:GMFinancialBuildsaSustainable,HolisticContinuousDeliveryPracticeMattMcComas- AVPCriticalApps- GMFinancial

DO5T19S

DEVOPS

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Abstract

AsthegrowingfinancialarmofGeneralMotors,GMFinancialrealizedthatitssoftwaredeliverylifecyclewasinadequatetomeettheneedsofits400+businesslines.Withmanualreleaseprocesses,asprawlingserverfootprintandmarathondeploymentwindows,thedivisionwasencounteringtoomanyerrors,compliancerisks,rampantconfigurationcreepandoverdependenceontribalknowledge.Thecompanywasatacrossroads—onanunsustainablepath,throwingmoreresourcesatbadprocesses.That’swhenthecompanybegintheirtransformation,leveragingCAContinuousDeliverysolutionstoautomate,standardizeandalignprocessesandteamsfromdevelopmenttoproduction.LearnaboutGMFinancial’s uniquejourneytocontinuousdelivery—fromimplementingCAReleaseAutomationandstandardizingitscontinuousdeliveryecosystemtoacceleratingandimprovingQAwithCATestDataManagementandCAServiceVirtualization.Hearaboutlessonslearned,resultsthusfarandthevisionaryroadmaptotruecontinuousdelivery.

MattMcComasGMFinancialAVPCriticalApps

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Agenda

CHALLENGESOFRAPIDCOMPANYGROWTHGLOBALLY

OBVIOUSUSECASESFORAUTOMATION

CONTINUINGOBSTACLESANDCHALLENGES

ADOPTIONOFCATOOLSINSDLC

CURRENTEFFORTSACROSSSDLC

FUTUREROADMAP

1

2

3

4

5

6

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EnterpriseServers BusinessLines

WhereWeWere,WhereWeAreFiveYearsofExplosivePlatformGrowth

2000+serversacrossenterprise

700 lineofbusiness

11 loanandleaseoriginationsplatforms

Globalbusinessunits:NA,EuropeandAsia

300servers acrossenterprise

50line ofbusiness

1 loanoriginationsplatform

NAbusinessunitonly

2011 2016

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GrowingOperationalandComplianceRisks…StemmingfromRapidExpansionandPoorDeploymentProcesses

Proliferationofserversmeantincreasing“creep”CodeandconfigurationcreepbetweenDev/QA/Prod

Separationofduties/weaknessesindeploymentprocess

MoreplatformsmeansgreatercompliancerisksVerydifficulttoremediateacrossSDLCwithmanualprocesses

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ConsiderableChallengesintheOldDeliveryModel

Longdeploymentsinincreasinglycomplexplatforms§ Manualreleaseprocesswithpoor

deploymenttracking

§ Poordocumentation,tribalknowledge

§ Processesrepletewithhumanerror

§ Growingneedforheroicsleadingtoemployeeburnout

WAITINGFORDEPLOYMENT

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IncreasinglyCompromisedDelivery

Toomanysystems,toomuchcomplexity,toomuchrisk

Throwingbodiesatbadprocesses

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ChangingITMindset

DevOps

Development QA

Operations

Thesoftwarecompanythatdoesautofinance!

§ Theroleofsoftwaredeliveryindrivingbusinessvaluebecameincreasinglyclear

§ Needformodeltosupportfaster,morefrequentdeliveryandhigherqualityapps

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GivemesixhourstochopdownatreeandIwillspendthefirstfoursharpeningtheaxe.

—AbrahamLincoln

“

“

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ShiftingFocustoSharpentheAxeJourneytoAutomation

STARTINGAUTOMATION FORMALADOPTION

Script-basedAutomation

ReleaseAutomation

POC

GrowthGridlock

HumanError

DevOps?

CAReleaseAutomation+ToolingEcosystem

CROSSROADS

2014 2015 2016

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InitialResultswithCAReleaseAutomation(POC)

Largescale,multiwebserverdeployment§ Manualdeployment

wouldhavetaken1to2hours

§ Automateddeploymentwascompletedin3minutes

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CAReleaseAutomationCurrentStateandEffortsAttheOneYearMark…

Integration,tokenizing,standardizationAcrossallplatforms

FullServiceNow integration§ End-to-endintegrationalready

configuredinsomeQAdeployments§ Workingtowardproduction

integrationwithSNOWchangetickets

Socializingcapabilities

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Metrics

DeploymentFailed

DeploymentSucceeded

GrandTotal

DEV 728 6757 7485

PRD 42 292 334

QA 198 2042 2240

TRN 38 71 109

STAGING 13 5 18

GrandTotal 1019 9167 10186

2016DeploymentsasofOctober

§ Averaging1,000deploymentspermonth in2016

§ Averagedeploymenttakes3to5minutes

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MeanwhileinQA…AdoptionofCATestDataManager

Platformgrowth=acceleratingneedfortestdata

Demandforautomatedsanitizeddata

Bettercross-platformdatasynchronizationcapabilities

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MeanwhileinQA…AdoptionofCAServiceVirtualization

Complexinter-platformandvendorcalloutsdemandservicevirtualization

Acuteneedto“shiftleft”andsimulateservicecallsearlierinprojectdevelopment

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RoadmaptoDesiredState

FinishITSMintegrationwithbuildpipeline§ End-to-endServiceNow integratedproduction

deployments§ Deployanytimewithrollingdeployments

Endtoendautomatedtestingandvalidation

FullintegrationwithProjectManagement§ Projecttrackingandauditingthroughthe

pipeline§ Releasemanagementcapabilities

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AndtheJourneyDoesNotEnd

IntegrationofinfrastructureascodeImmutableserverdeployments

ApplicationvirtualizationMicroservices andcontainers

HybridcloudmodelsAligningarchitectureandinfrastructureforseamlesstransitionbetweenonpremandoffprem

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RoadblocksontheWaytoContinuousDelivery…

ONEDOESNOTSIMPLYIMPLEMENTCONTINUOUSDELIVERY

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OutmaneuveringObstacles

Challengeculture,teamsiloes,cozy

statusquo

Encouragecommunication,collaborationandsharing

Reinforce“thebigpicture”aboutIT’sbusinessvalueproposition

Executize“DevOps”message

Getpastthebuzzword

EnsurealignmentonwhatDevOpsmeanstoyourcompanyacrossteamsandwithinmanagement

Show‘emandshow‘emagain

Getthosequickwinstobuild/maintainmomentum

Reinforcethatthisisajourneythatneverends:Automationisafrontloadedeffortthatpaysexponentiallyovertime

Adjustattitude:failureis anoption

Pushachangeinattitudetoward“failure”

Failuresdon’tmeanreturntostatusquo;insteadtheyrepresentanewengineeringopportunity

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Keeptryinguntilyougetit—anddon’tbeafraidtofail

Realizesoftwaredrivesthebusiness—requiringfaster,morefrequentappdelivery

Buildaninclusive,sustainable,automationmodel(withtherighttools)fromthestart

SummaryAFewWordstoReview

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MustSeeDemos

ModernizeAppDeliveryIntegratedCDTheater5- DOV501P

DeliverTestDataFasterTestDataManagerTheater5- DOV511P

DeliverBetterAppsServiceVirtualizationTheater5- DOV507P

OrchestrateYourReleaseReleaseAutomationTheater5- DOV513P

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DevOps– ContinuousDelivery

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