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Strategies for OpenShift Application OnboardingFreddy Montero, Architect, Container PracticeMariah Flaim, Senior Consultant, Northeast RegionMay, 2019
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AGENDA● Strategy Overview
● Where to Begin
● Refactoring your dev process
● Refactoring you team
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BEFORE WE BEGIN...
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STRATEGY OVERVIEW
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WHY ?
FASTER SERVICE DELIVERY
INCREASE SERVICE QUALITY
REDUCE RISK OF DELIVERY
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AT A GLANCELIFT & SHIFT LIFT & RESHAPE STRANGLER
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MONOLITHIC APPS
Application Server
HTML Javascript Web
ServiceServiceService
Service Service Service
Data Access
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LIFT & SHIFTApplication
Binary(e.g. WAR)BUILD APP
(Build Machine) Existing Build Process
Source-to-Image(S2I)
Builder Image
ImageRegistry
BUILD IMAGE
DEPLOY deployApplication Container
build
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MICROSERVICES APPS
Runtime
Web
Runtime
Service
Runtime
Service
Runtime
Service
Runtime
Service
Runtime
Service
Runtime
Service
Application Server
HTML Javascript Web
ServiceServiceService
Service Service Service
Data Access
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LIFT & RESHAPE
GitRepositoryBUILD APP
Developers
code
deployApplication Container
Source-to-Image(S2I)
Builder Image
ImageRegistry
BUILD IMAGE
DEPLOY
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STRANGLER APPS
POD
CONTAINER
POD
CONTAINER
POD
CONTAINER
SERVICE
role: backendrole: backendrole: backend
InvokeAPI
role: frontend
Application Server
HTML Javascript Web
ServiceServiceService
Service Service Service
Data Access
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WHERE TO BEGIN...
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STEP 1: FILTER THE PORTFOLIO
STEP 2: IDENTIFY AND SELECT ARCHETYPES AND TEAMS
STEP 3: ANALYZE/PRIORITIZE INDIVIDUAL APPS AND TEAMS
STEP 1: ANALYZE & PRIORITIZE APPLICATION TECHNOLOGIES
STEP 2: CONSIDER BUSINESS PRIORITIES
STEP 3: CONSIDER THE PEOPLE ON YOUR TEAMS
3 STEP APP ASSESSMENT
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MAINFRAME ⬤ NOT A CANDIDATE
DESKTOP APPS ⬤ NOT A CANDIDATE
COTS (NOT APPLICATION SERVERS) ⬤ HOLD
DATABASES ⬤ HOLD
SOURCE CODE YOU OWN, DEPLOY, AND MAINTAIN (JAVA, .NET, PHP, PYTHON, NODE)
⬤ GO
Weed out application type that are a bad fit for onboarding
STEP 1: APP TECHNOLOGIES
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$ $$ $ $$ $
STEP 2: BUSINESS PRIORITIES
Identify which applications provide more business value
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$$ $$ $
STEP 3: PEOPLE & TEAMS
Look for teams with enthusiasm and commitment to be early adopters
$$
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IN SUMMARY
REPURCHASE (Drop & Shop)
Decommission end-of-life application.
Keep and don’t touch for now.RETAIN
RETIRE
Low
High
Tran
sfor
mat
ion
Effo
rts
/ Com
plex
ity
REHOST (Lift & Shift)
REFACTOR (Extend / Rewrite)
REPLATFORM (Lift & Reshape)Change the underlying platform (runtime, framework, middleware, operating system).
Redesign code to take advantage of thenew platform (extend, strangle, rewrite).
Package existing application in a containerwith as few changes as possible.
Replace by Commercial off-the-shelf(COTS) or Software-as-a-Service (SaaS).
ExistingApplication
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REFACTORING YOUR DEV PROCESS
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CI/CD WITH OPENSHIFT
OPENSHIFTIMAGE
REGISTRY
OPENSHIFTCLUSTER
CI/CD PIPELINE
IMAGE BUILD & DEPLOY
OPENSHIFTIMAGEREGISTRY
OPENSHIFTCLUSTER
GOLIVE?
PROMOTETO TEST
PROMOTETO UAT
PROMOTETO PROD
RELEASE MANAGER
NON-PROD PRODDEV TEST UAT
OR
SCM SERVER BINARY DEVELOPER
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CI/CD + OPENSHIFT =
JENKINS-AS-A SERVICEON OPENSHIFT
HYBRID JENKINS INFRA WITH OPENSHIFT
EXISTING CI/CD DEPLOYS TO OPENSHIFT
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APPEXISTING
CI/CD INFRA
Jenkins, Bamboo, TeamCity, etc
APPbuild
deploy
S2IBuildrun job
EXISTING STRATEGY
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APP APPrun jobJENKINS
CHILD
Run Job
JENKINSCHILD
Run Job
build
JENKINSPARENT
deploy
HYBRID STRATEGY
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APP APPrun jobJENKINS
CHILD
Run Job
JENKINSCHILD
Run Job
build
deploy
JENKINSPARENT
JENKINS AS A SERVICE STRATEGY
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JENKINS PIPELINES IN OPENSHIFT WEB CONSOLE
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REFACTORING YOUR TEAM
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STOP THROWING WORK OVER THE WALL
OpenShift and CI/CD will allow you to ship faster … as long as your team doesn’t slow you down
OPSQADEV
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A MOVE TOWARD DEVOPS
People• Cultural paradigm shift• Cross-training of skills• Collaboration of teams
Process• Agile methodologies• Continuous feedback loops• Appropriate error resolutions
Technology• Automate manual process• Standardize software versioning, patch levels, and
provisioning mechanisms• Notifications and proactive software and hardware monitoring
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Culture• Break downs silos• Achieve greater transparency
Architecture• Rethink the composition of applications• Better manage environment consistency
START A DEVOPS REVOLUTION WITH OPENSHIFT
Incorporating DevOps practices with OpenShift leads to evolving existing processes and improving performance
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Q & A
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WANT TO LEARN MORE?
Monoliths in OpenShift: Application onboarding strategies for containersSpeakers: Ryan Goodson, Justin Goldsmith
Thursday 1:45-2:30 PM
JOIN US IN THE RED HAT CONSULTING DISCOVERY SESSION THEATERLOCATED IN THE CUSTOMER SUCCESS ZONE IN THE ECOSYSTEM
EXPO
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DISCOVERY SESSION THEATER
7:45 - 8:30 PM - 4 ways to jump start an open source & agile automation culture
TUESDAY
WEDNESDAY
THURSDAY
10:15-11:00 AM - Day-in-the-Life: Designing Software for Open Innovation Labs
11:15-12:00 PM - How Volkswagen used microservices & automation to develop self-service solutions
12:15-1:00 PM - Container adoption at scale: Metrics-driven framework and other lessons learned
3:15-4:00 PM - The road to RHEL 8: Best practices for optimizing your operating system
4:15-5:00 PM - Adoptando RHEL 8: Las mejores practicas para optimizar tu Sistema Operativo
5:15-6:00 PM - A DevOps survival guide: Small changes lead to big results
6:15-7 PM - Digital Nudge: How automation, machine learning, A.I., and more shape our digital decisions
10:45-11:30 AM - OpenShift DevSecOps: Making your enterprise more secure for tomorrow, today
11:45-12:30 PM - To the Edge and Beyond: Network Automation for Telecommunications
12:45-1:30 PM - People first, digital second: Using open principles to drive transformation at Heritage Bank
1:45-2:30 PM - Monoliths in OpenShift: Application onboarding strategies for containers
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