Tech Talk: Evolve from Continuous Integration to Continuous Delivery

TechTalk:EvolvefromContinuousIntegrationtoContinuousDelivery

AprilMace

DevOps:ContinuousDelivery

CATechnologiesDirector,PresalesDO4T33T

@AprilMaceCA#CAWorld

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TermsofthisPresentation

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Abstract

ManyorganizationsstartwithacontinuousintegrationsolutionlikeJenkinsCIbeforefullyadoptinganapplicationreleaseautomationsolutionlikeCAReleaseAutomation.Joinusforthissessionaswecomparecapabilitiesofeachanddiscusssomeofthebestpracticesthattoday’sleadingcompanieshavedevelopedalongtheircontinuousdeliveryjourney.

AprilMace

CATechnologies

Director,PresalesConsulting,AppDelivery&DevOps

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Agenda

CONTINUOUSINTEGRATION– THEENGINEOFAGILE

THEPROBLEM

CONTINUOUSDELIVERY

1

2

3

EVOLVINGTOCONTINUOUSDELIVERY4

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ContinuousIntegration

Asoftwaredevelopmentpracticewheremembersofateamintegratetheirworkfrequently,oftendailyormultipletimesperday.Eachintegrationisverifiedbyautomatedbuild/testtodetectintegrationerrorsasquicklyaspossible.Thisallowsteamstofindandcorrectproblemsearlierandthusdevelopcohesivesoftwaremorerapidly.

SOURCECONTROL

TESTING

BUILDDEVELOPMENT

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CIistheEngineofAgile

§ Iterativeandincrementalapproach

§ Smallerbatches

§ Higherfrequencyofreleases

§ Multipleparallelreleases2–4weeks

21h

WorkingSolutionSprintX

SprintX

SprintX

SprintX

SprintX+1

SprintX+ 1

SprintX+ 1

SprintX+1

Requirement1

Requirement2

Requirement3

Requirement4

Requirement ..

Requirementn

PlannednextSprint

DailyScrumMeetingFocusedDevelopment

2-4weeks devcyclecontinuousintegrationand

testing

Potentiallyreleasable

solutionaftereachSprint

Welldefinedsetofrequirements

Prioritizedsetofallrequirements

AGILEDEVELOPMENT

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But…OPERATIONSAGILEDEVELOPMENT

2–4weeks

21h

WorkingSolutionSprintX

SprintX

SprintX

SprintX

SprintX+1

SprintX+ 1

SprintX+ 1

SprintX+1

Requirement1

Requirement2

Requirement3

Requirement4

Requirement ..

Requirementn

PlannednextSprint

DailyScrumMeetingFocusedDevelopment

2-4weeks devcyclecontinuousintegrationand

testing

Potentiallyreleasable

solutionaftereachSprint

Welldefinedsetofrequirements

Prioritizedsetofallrequirements

BusinessValue

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ContinuousDelivery– Definition

Asoftwaredevelopmentpractice wherebyapplicationchangescanbereliablyreleasedatanytime.

Eliminateconstraintsandcriticaldependencies

Rapidlydeliverhigh-qualityapplicationsandservices

Createanddeliverexceptionalcustomervalue

A setofpracticesandprinciplesin softwareengineering aimedat,building, testing,andreleasing software,fasterandmorefrequently.Theseprincipleshelpreducethecost,timeandriskofdeliveringchanges,andultimatelyvalue,tocustomersbyallowingformoreincrementalchangestoapplicationsinproduction.

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EvolvingtoContinuousDelivery

Artifacts

QA/Perf Pre-Prod

TestAutomation

ServiceVirtualization

Provisioning

Team1

Team2

Governance&Visibility

Configuration Management

Production

BusinessValue

Idea

Application

Continuous Integration Continuous Deployment

Automation

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EvolvingtoContinuousDelivery

InfrastructureProvisioning

ConfigurationManagement

ApplicationPlatforms/PaaS

VersionControl/ ArtifactRepository

Planning&Requirements

ChangeManagement

TestAutomation

DatabasesCI/BuildAutomation

PerformanceMonitoring

SOFTWAREDELIVERYTOOLCHAIN

Orchestration

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EvolvingtoContinuousDelivery

QA/Perf Pre-Prod Production

Continuous Deployment

Standardized,ReuseableProcesses

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CompaniesThatHaveEvolvedtoCD…

§ Areusingareleaserepository totrackartifactsdeployed together

§ Havevisibilityintowhat’sineachenvironment

§ Areautomatingpromotion betweenenvironments, withautomatedapprovals

§ Minimizetheinvolvementofdevelopers indeployment activities

§ (Striveto)automateacrossthetoolchaintoeliminatesilos&waittime

§ Deployapplicationsconsistentlyacrossdifferent typesofenvironments

§ Deployconsistentlybetweenapplicationsforgreaterreuseandknowledge-sharing

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People,Processes,TechnologyImplications

§ Culturalchangeiskeyandstartsatthetopoftheorganization

§ Agileteamscanstilladopttechnologies thatworkforthemaslongasthepipeline tovaluestaysintact

§ Visibilitydrivesgoodbusinessdecisions;Repeatabilitylowersrisk,improvesquality,andcreatesvalue

SummaryEvolvingfromContinuous IntegrationtoContinuousDelivery

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Q&A

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