[IBM]Agile, ITITL, Cloud How DevOps brings it all together

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1、Agile,ITITL,CloudHowDevOpsbringsitalltogetherRobertMichel+49(0)1706347249michel@de.ibm.comAgenda•DevOps–Challenges–Principles–Solution•Q&A©2013IBMCorporationCollaborativeDevelopment&OperationsDeliverychallenges&TypicalrootcausesWhydoweneedDevOps?–2ExamplesCustomer1Customer2SituationSituation•Comp

2、lexJ2Eenvironment•5+testenvironmentswith•Manyinterdependentcomponents•DifferentOSversions•Newreleaseevery1-2months•Differentplatforms(Linux,AIX)•DifferentJ2EversionsChallenges•ChangewindowonweekendtooshortChallenges•Eachproductiondeploymentfailsand•Timeconsumingdefectdeterminationtakes1weektogeti

3、trunning•Performancetesttakes2months•Differentdeploymentapproaches:•Noproductionrelevanttestresults•Test:freshinstall•Can’ttestN-1•Production:upgradeinstall©2013IBMCorporationTypicalquestionwithincomplexIT-Organisations•Weareusingagiledevelopmentpractices.Whydoesitstilltakemonthstoreleasenewappli

4、cations?•Whyistheresomuchreworktodoforeverynewrelease?•VirtualizationandCloudarepartofourinfrastructure.Whydoesitstilltakesomuchtimetoprovideapropertestenvironment?•Whydowestillhavesignificantqualityissuesdespiteourtestingguidelinesandprocesses?©2013IBMCorporationReasonsforissuesRequirementsDesig

5、nCodeBuildChange&ConfigurationManagementComponentTestDeployTest•StagingandTestingrequiretimeandresourcesIntegrationDeployTest•Approx.1/3to2/3oftimeisspentTestforsetupandconfigurationSystemDeployTest•OftendifferentprocessesareusedTest•NoconsistentConfigurationManagementthroughoutdifferentAcceptanc

6、eTestDeployTestenvironments•KnowledgekeptwithinfewProductionindividuals©2013IBMCorporationCollaborativeDevelopment&OperationsAgiledevelopmentandDevOpsDevOpsprinciplesDevOpsPrinciples&ValuesPeople•CollaborateacrossdisciplinesProcessInformation•Developandtestagainstaproduction-likesystem•Deployfreq

7、uentlyusingrepeatableandreliableprocesses•Continuouslyvalidateoperationalqualitycharacteristics©2013IBMCorporationCollaborationbetweenDevelopment&Operation▪“Shift-Left”–shiftingoperationalconcernsandprocessesearlierinB