World®’16

StrategiesforDevOpsintheAPIandMicroservicesWorldJayThorne- ConsultingSoftwareEngineer,APIM- CATechnologies

DO3X82V

DEVOPS

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Abstract

Ascompaniesinvestindeveloper-operations-styledeployment(DevOps),theinterfacesandtoolingnecessarytobesuccessfulinDevOpsbegforsimplificationasamajorfocusofprojects.LearnhowtheCAAPIManagementunitisapproachingDevOpsenablementandprovidingasafeandscalablewaytoutilizeAPIsandmicroservices tohelpcustomersrealizeROIontheirDevOpsinvestments.Inthissession,we’llexplorehowtoenableDevOpsintheworldofmicroservicesusingAPImanagementtooling,anddiscusshowmanyofourcustomers’traditional,operations-focusedinstallationsareevolvingorcouldbeevolvedintoDevOps-focuseddeployments.Properlyexecuted,theworldofmicroservices practicallydefinessimplicity;APImanagementandDevOpsareacrucialpartofthatpathtosuccess.

JayThorneCATechnologiesConsultingSoftwareEngineer

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Agenda

REALITIESOFMICROSERVICES

STRATEGIES

CONCLUSION

1

2

3

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TheRealities

§ Corporatestraitjacket– GovernanceiscalledChangeControlandmostlymeans

ChangePrevention– “That’sthewaywe’vealwaysdoneit”:

§ Can’tinnovatesotimetomarketislong

TheBigOps/BigDevExtreme

CHANGES

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TheRealities

§ Lunaticsrunningtheasylum– It’smicroservices allthewaydown– 8versionsofsamecapability– Devs writeeverything,sowedon’tneedops– Wedidn’tknowbutitwenttoproduction

TheLeanandMeanExtreme

CONTROLS

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Strategy:SmallerInitialProject

§ Learningtheropesofmicroservices /DevOpsoncorebusinessisabadidea

§ Microservices designisdifferent– Intentionallyreducedscope– Loweringdependenciesisdifficultatfirst

LearnHowThisStuffWorksFirst

BETYOUR

BUSINESS

NEWPROJECT

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Strategy:FocusonSizeofDeliverables

§ Bigdependencies=strictersequences=longerinstall/upgradewindows

§ Largerartifacts=longerbuilds/installs/startup

§ Manualinstall=moreopportunitiesforfatfingering

ReduceDependencies

HUGE

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Strategy:FocusonSmallerDeliverables

§ Lowerdependences=opportunitiesforasynchronousdeployment

§ Smallerartifacts=quickdeploy,quickrevert

§ Automation=nomissedsteps,smallerrunbooks

ReduceDependencies

SMALLISBEAUTIFUL

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NUKEandPAVE

Strategy:Don’tUpgrade- Replace

§ Buildfor“configurefromscratch”wherepossible– Upgradebecomes“Runnewcodewith

previousconfiguration”– Rollbackbecomestrivial

§ Microservices canseparatedatastorefrombusinesslogic– usethisifyoucan

UpgradesAreaLotofWork

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Strategy:Don’tMakeReuseaStrictDesignGoal

§ Similar(butnotequal)mightrequireseparatetool

§ FocusonnotduplicatingIdenticaltools

§ Don’tnitpickonsimilarity

§ However:Subsets/supersetsdon’timplyseparatetools

ReuseIsAnotherWayofSayingDependency

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Conclusion:Learn toBuild,DeploySmall

§ Biasforsizeanddependencyreduction

§ Learnhowtoworkbiasforsizeinyourorganization

§ Dependenciesneedexplicitattention

§ Applylearning

HaveYourCakeandEatItToo

SlowFastLargeSmallSafeShortTimeToMarket

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Questions?

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Thankyou.

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