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DevOpsandAgileMethodology–LessonsLearned

SusanDuncan-@SusanDuncanOrSeniorPrincipalProductManagerOracleCloudDevelopmentToolsJune,2019

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SafeHarborStatementThefollowingisintendedtooutlineourgeneralproductdirection.Itisintendedforinformationpurposesonly,andmaynotbeincorporatedintoanycontract.Itisnotacommitmenttodeliveranymaterial,code,orfunctionality,andshouldnotberelieduponinmakingpurchasingdecisions.Thedevelopment,release,andtimingofanyfeaturesorfunctionalitydescribedforOracle’sproductsremainsatthesolediscretionofOracle.

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TheCloudChangedEverything

• ReleaseFrequency• QualityofSoftware•  SpeedofFixingIssues• DevelopmentTechnologies• DevelopmentProcess

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AgileMethodologyatOracle

•  Shortdeliverycycles• Deliveryofincrementalsolutions•  Focusonhighestprioritytasks• Adaptconstantly

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Plan

Code

Build

Test

Release

Deploy

Operate

Monitor

DevOps–EnablerforAgile

•  DevOpsisaculture,movementorpracticethatemphasizesthecollaborationandcommunicationofbothsoftwaredevelopersandotherinformation-technology(IT)professionalswhileautomatingtheprocessofsoftwaredeliveryandinfrastructurechanges.Itaimsatestablishingacultureandenvironmentwherebuilding,testing,andreleasingsoftware,canhappenrapidly,frequently,andmorereliably.– Wikipedia

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Howwedoit

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OracleDevelopmentTeamsOverview

~280DevelopmentOrganisations

Sprints

OracleDeveloperCloudService

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~23,250Users

~6250Projects

~18000GitRepositories

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•  Code/CIManagement–  VersionManagement–Git–  BuildAutomation

•  Ant,Maven,Gradle,npm,Grunt,Bower,Gulp,SQLcl,Shell

–  TestAutomation•  Selenium,JUnit,Findbugs,Sonar,utPLSQL,others

–  Deployment&ProvisioningAutomation•  Docker,K8S,Terraform,PSM,OCICLI

–  ContinuousIntegrationEnginewithPipelines

•  Team/AgileManagement–  IssuesTracking–  AgileProcessManagement–  PeerCodeReview–  Wiki–  Activitystream

OracleDeveloperCloudService–What’sInside

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~200ProjectMembers

1000sLOCs

2WeekSprints

OracleDeveloperCloudService

OneTeamOverview

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SourceManagement

40GitRepositories

ComponentPerRepositoryTask&Issue

Tracker

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OneProject–DeveloperCloudServiceTeam

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TaskWork•  ~200commitsaweek

Master

Newfeature/bugfixes

CompletecodeMergerequest

totarget

Codereview

Iterate,fix&review

Codeapproved Automatebuild

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PreparingforRelease

Master

ReleaseBranch

CriticalBugFix Automatebuild

Release

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CodeManagementTips

•  It’soktohavemorethanonegitrepository•  Leveragegitflowprocess–provideagility• UnitTests,unittests,unittests• Automatecodereviewprocess• Defaultcodereviewerperarea• Branchmainforarelease– Lockbranchtorequireapprovalforshowstoppersonly

• Databasescriptsarepartofyourcodebase

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• Commit/pushbuilds– ~50buildsaday

•  +2timesaday– Allgitrepositories– DeploytodevVM– Automatedtests– QAtests

• Masterbranchedevery2weeks– Allgitrepositories– DeploytostageVM– Automatedtests– ManualQA– Candidateforproductiondeploy

– ~Candidateforcustomers

BuildProcess

Development Production

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BuildTips

• Automatenotificationfrombuilds(prevent“Ididn’tknowitbroke”)– Email,Slack,PagerDuty,etc

• Requireatestscriptinabuildfornewcapabilities• Regularbuildsleadtoregulartestingleadtoearlyissuedetection•  Thereisnosuchthingasbuildsoverload– Buildexecutorsdon’tneedarest

• Buildsformonitoringproductionenvironmentsruntime

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AdditionalLessonsLearned

•  IntegratedAgile+DevOpsiskey• Cloudbasedenvironmentissomuchsimpler•  Teamcollaboration–everyoneisacommittedowneroftheproduct

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DemoADayInTheLifeOfADevelopmentTeam

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SummaryofCombinedToolBenefits

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•  Fulltraceability–issue->codechange->build->deploy•  Fasterfeedbackoncodecommits•  Improvedteamcollaboration• OnestopshopforAgile+DevOps• Accessibilityofprojectartifacts•  Easyprovisioningandscaling•  IntegratedAgile+DevOpsiskey• Cloudbasedenvironmentissomuchsimpler•  Teamcollaborationiskey–everyoneisacommittedowneroftheproduct

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Questions?

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