Case Study: Jeweler’s Mutual Insurance Streamlines Complex Application Deployments With CA Release...

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CaseStudy:Jeweler’sMutualInsuranceStreamlinesComplexApplicationDeploymentsWithCAReleaseAutomationTimDallmann - PlatformEngineer- JewelersMutualInsuranceCo

DO5X07S

DEVOPS

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Agenda

INTRODUCTION

WHAT’STHEPROBLEM?

RESULTS

THEJEWELERSMUTUALSOLUTION

RELEASEAUTOMATIONCHALLENGES

CA-RELEASEAUTOMATION:OURIMPLEMENTATION

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IntroductionWhoIsTimDallmann?

Professional

30+YearsinIT

Developer

Architect

Manager

Personal

Husband

Father

Drummer

Brewer

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IntroductionWhoIsJewelersMutual?

Company

>100years

Neenah,WI

Employees:250Overall60inIT

CommercialLines

JewelryStore

Craftsman

PersonalLines

WeddingSets

Earrings

Watches

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TheJewelersMutualTechnicalLandscapeManyEnvironmentstoManage

DEV01 DEV02 DEV03 DEV04

TEST01 TEST02 TEST03 TEST04 TEST05 TEST06

STAGEINTEGRA-TION

PROD

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TheJewelersMutualTechnicalLandscape

Complexsystemintegrations

Dependenciesthatimpactdeployments

Alargeinter-dependentsystem

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TheJewelersMutualTechnicalLandscapeAdiversesetofartifactstodeploy

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What’stheProblem?

Developersspending60%oftheirtimemanagingenvironmentalissues

Releasesarelargeandcomplex– onlydeployedonceeachmonth

EnvironmentalStabilityandComplexity

RESULT:Inabilitytorespondquicklytochange

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ATeamisBorn!“EnvironmentStabilizationTeam”

1 Createdafoundationforcontinuousdelivery:§ UnittestinginJenkinsfor.Net andJavaapplications§ AutomatedlengthyregressiontestscriptswithHPUFT

2 Realizedtheneedforautomationtools:§ UpGuard:tocompareenvironmentsanddetectunauthorizedchanges§ Puppet:toautomatetheinfrastructure§ CAReleaseAutomation:toautomatedeploymentactivities

3 Createdadashboardtodisplayenvironmentstatus

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ReleaseAutomationChallenges

Allapplicationsarepartofalargerdependentsystem

Anyreleasecouldincludeanysetofapplications,requiringcoordinateddeploymentactivities

§ Shutdown§ Queuesuspension§ Backup§ Deployment§ Startup

Whatmakesourdeploymentscomplicated?Sameimageasoriginalfilebutindifferentcolours thanversionon123RF.Brand

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ReleaseAutomationChallengesOthergoals

Notificationsofpauses,failuresandreleaseprogress

Healthcheckoftheenvironment

Rollbackcapability

Validationtesting

Pausesformanualoperations

Tokenizationofconfigurationfiles

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ReleaseAutomationImplementation

§ Lessthan7weekstogofromzerotoDeploy!

§ Remote-ledPOCpriortoimplementation– Segregatedlabenvironment

§ ServersandagentsinstalledpriortoServicesarrival

Planningforsuccess

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JewelersMutualCAReleaseAutomationImplementationGettingStarted

1 Takeinventoryofalldeployableartifacts

2 Examinehowtheyaredeployedtoday(beforeautomation)

3 Determinewhereeachoneoriginates

4 Groupthembasedondeploymentsimilarities

5 Createaflowdiagramforeachtypeofartifact

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ExampleDeploymentFlowDiagram

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Single-ApplicationApproach

Coordinateactivitiesbetweenallartifacttypes:

§ Shutdownprocess§ Backup§ Deployments§ Restartprocess§ Notifications§ Automatedtesting

Modellingtheentiresystemasonedeploymentapplication

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Single-ApplicationApproach

AllartifactsarepartofasingleCAReleaseAutomation“application”Componentsalignment:

Modelingtheentiresystemasonedeploymentapplication

Component à ArtifactType à ArtifactDefinition à ServerType(s)

Guidewire à WARFile à PolicyCenter à PC_Batch,PC_Online

.Net à IISApp à PLPortal à WAP

.Net à WinApp à DashboardCons à BAT

.Net à WinSvc à PaymentService à EAS

Ratabase à RBDistro à RBDistro à RAT_Primary

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Single-ApplicationApproach

The“General”component:§ Providescommonflowsusedin

multipleprocesses§ Health-checkactivitiesforallservers§ GatheringcredentialsfromKeePass§ Manualstopsinprocesses§ Deployment-levelnotifications

Common“shared”actionsandflows

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ErrorHandlingandLogging

CheckDeployStatus

HandlePause§ Logit§ EmailIt§ UserOperation

HandleFail§ Logit§ Emailit§ Stopdeployment

HandleLogMessages§ Logit

HandleDashMessages§ BuildRESTOperation§ SendtoDashboard

HandleErrorMessages§ Logit§ Emailit§ UserOperation

AsynchronousProcess

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DeploymentNotifications

Self-subscribingtovariousevents:§ Deploymentabouttostart(warningmessage)§ Deploymentstarted§ Deploymentstepscomplete(pre-validation)

§ Deploymentcomplete(post-validation)withstatus

§ Testresults§ DatabaseDeploymentfailures§ Deploymentpaused

Configurablebyenvironment

Communicatingwhatisgoingon

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Rollbacks

Pre-deploy§ Getthelatestinstalledversionofeach

artifact§ Createapackagewiththoseartifacts§ Createadeploymentplanusingthatpackage§ Createarollbackdeploymentandattachto

thecurrentdeployment

Onfailure– rollbackdeploymentmanuallyinvoked

Recoveringfromdisaster

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Health-Check

§ RunduringPre-Deploy§ Eachcomponenthasit’sownhealth-checkflows§ Some“general”health-checkflowsrunforall

servertypes§ Validatesthingslike:

– MSDeploy isinstalled– Tomcatinstancesarerunning– IISrunning– Enoughdiskspacefordeployment

Ensuringtheenvironmentisreadyfordeployment

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DynamicStepAdjustment

§ Basedonartifactsinpackage

§ Removesdeploymentstepsthatarenotneeded

§ Why?Evenun-usedprocessstepstaketime

RemovingUnneededProcessSteps

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TheDeploymentTemplate

PackageCreationHealthCheckRemoveStepsCreateRollback

InitializationStartErrorHandlerSendNotificationsShutdownBackupDeploysStartGuidewireGWAdminImportsStartQueuesWebAppsOnlineNotificationsStopErrorHandler

DeploymentValidationTestingIntegrationTesting

Post-Deploy

Majorstepstorelease

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ProsandConsoftheSingle-ApplicationApproach

Providesaframeworkforallotherdeploymenttypes

Complexdependencies,includingmanualsteps,areaccountedfor

Logginganderrorhandlingareconsistentacrossallartifactdeployments

Workflowsgetlargeandcomplex

Applicationparameters=nosharedcomponents

Breakingtheworkflowmeansyou’vebrokenitforalldeployments

PROS CONS

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TaskEnablementDevelopers,QAAnalysts,andevenbusinessusershavetheabilitytoruntheirowndeployments,allowingthedeploymentteamtofocusongrowingandenhancingreleasecapabilities.

EnvironmentIssuesDevelopersrarelyneedtoaddressissueswithenvironments,andcanfocuson“real”workinstead.

ReleaseFrequencyWhatusedtobeasinglemonthlyreleaseinvolvingmanyman-hoursofefforthasevolvedto1-2releaseseachweek,withonlyahandfulofpeoplespending45minutesoftheirtime.

ResultsTheImpactofCAReleaseAutomation

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Thankyou.

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DevOps– ContinuousDelivery

FormoreinformationonDevOps– ContinuousDelivery,pleasevisit:http://cainc.to/PiTFpu