and replatforming with pks application modernization ......ci/cd ci/cd pipelines drive the testing...
TRANSCRIPT
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© Copyright 2017 Pivotal Software, Inc. All rights Reserved.
Faster, more Secure Application Modernization and Replatforming with PKS
Dieter HubauPlatform Architect
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CONTAINERSEVENT-DRIVEN
FUNCTIONS
DATA SERVICESMICROSERVICES
Batches
MONOLITHIC APPLICATIONS
Companies have many ways to package and run their workloads in the cloud
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Their goal: pick the right runtime for each workload
CONTAINERSEVENT-DRIVEN
FUNCTIONS
DATA SERVICESMICROSERVICES
Batches
MONOLITHIC APPLICATIONS
IaaS
ContainerOrchestrator (CaaS)
ApplicationPlatform(PaaS)
ServerlessFunctions(FaaS)
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ContainerOrchestrator
Container Scheduling
Primitives for Network, Routing, Logs & Metrics
CONTAINER
Choose the right tool for the job
DeveloperProvides
ToolProvides
ApplicationPlatform
APPLICATION
Container Orchestrator
Serverless Functions
FUNCTION
Application Platform
IaaS
Container Image & build
L7 Network & Routing
Logs, Metrics, Monitoring
Services Marketplace
Team, Quotas & Usage
Function scheduling
Function exec services
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ContainerOrchestrator
Container Scheduling
Primitives for Network, Routing, Logs & Metrics
CONTAINER
Choose the right tool for the job
DeveloperProvides
ToolProvides
ApplicationPlatform
APPLICATION
Container Orchestrator
Serverless Functions
FUNCTION
Application Platform
IaaS
Container Image & build
L7 Network & Routing
Logs, Metrics, Monitoring
Services Marketplace
Team, Quotas & Usage
Function scheduling
Function exec services
Lower complexity, higher efficiency
Higher flexibility, lower standardization
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Hardware
IaaS
Container Orchestrator
Application Platform
Serverless Functions
Strategic goal: Push as many workloads as technically feasible to the top of the platform hierarchy
Higher flexibility and less enforcement of
standards
Lower development complexity and higher operational efficiency
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Patches Patching App and System components as CVEs occur
Scaling Seamlessly scale of App components to accommodate changing demand.
Upgrades. How do you roll out new versions of the App with the lights on?
Operating Effort Operating the app should require very few resources and minimum manual intervention. Otherwise, you will be spending lots on operational support!
Development The team can make progress in developing the core application
CI/CD CI/CD pipelines drive the testing and promotion of artifacts
Consistency Provide a consistent setup experience, across different environment configurations.
Setup time How long does it take to setup a real world working environment? Think hours, not weeks.
Challenges with any App
Day 1 - Build(Greenfield)
Day 2 - Operate & Enhance(Brownfield)
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CONTAINERIZATION IS A
STARTING POINT
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WHERE TO GET STARTED
With MOVING WORKLOADS
To PKS?
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● Leverage features in modern cloud platforms by changing existing code
○ Blue/Green deploys○ Auto-healing○ Auto-scaling○ Advanced routing/networking
automation● Design and build based on known
Cloud Native patterns● Longer term investment in the application● Likey you have access to the code● Plus everything mentioned in
“replatforming”
● Lift and Shift with “just enough modernization”● You may not have access to the code● Revisit decisions made in Greenfield time
○ Around CI/CD process● Get some quick wins through platform
capabilities○ Reduced operating and infrastructure cost○ Improved speed to scale○ Faster patching of kernel level
vulnerabilities
Replatforming vs Modernization for PKS
Lift & Shift / Replatforming Modernization
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● Leverage features in modern cloud platforms
○ Blue/Green deploys○ Auto-healing○ Auto-scaling○ Advanced routing/networking
automation● Design and build based on known
Cloud Native patterns● Longer term investment in the application● Likey you need access to the code● Plus everything mentioned in
“replatforming”
● Lift and Shift with “just enough modernization”● You may not have access to the code● Revisit decisions made in Greenfield time
○ Around CI/CD process● Get some quick wins through platform
capabilities○ Reduced operating and infrastructure cost○ Improved speed to deploy & scale○ Faster patching of kernel level
vulnerabilities
Replatforming vs Modernization for PKS
Lift & Shift / Replatforming Modernization
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Identify Candidates for PKS
1
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Application Transformation Strategies
Re-Host
Containerize aka “lift and shift”
Re-Platform
Minimal efforts to run natively on PAS
Re-Factor
Convert to Cloud Native aka
“Modernize”
Re-Build
Decompose and rewrite from the
ground up
Application Portfolio
Funneling Process
RecommendShould we take action beyond Re-Tire or Re-Tain?
Business and Technical filters, prioritization, scheduling, etc.
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Cover w/ Image
SNAP
■ Gather applications characteristics
■ Conversation approach
■ 30-60 mins per application
■ Establish high level replatforming score
■ Variants
○ Stickies
○ Online App - SnapE
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Cover w/ Image
Pivotal Application Analyzer
■ Automatically computed technical score
■ Faster than the classical SNAP analysis
■ Provide recommendations and recipes
■ Can be extended with more rules
■ Do not expose the client’s source code
■ Currently in Closed Beta
■ Demo: https://vulcan-ui.cfapps.io/#/
* formerly known as “AppFoundry”
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BUCKET 1Independent Software Vendor (ISV) COTS
BUCKET 2Middleware Vendor
BUCKET 3.NET Core or .NET (Windows Server)
BUCKET 4Legacy Java
BUCKET 5Modern Java
Application PrioritizationCriteria
Vendor provided software (ISV or COTS) or no access to
source code
IBM Websphere, Weblogic, Mulesoft, TIBCO etc
3-5 years old Java (under 7 years old)Java (Spring / NO Application
Server Specific libraries)
Vendor provides PCF buildpack, docker images or
kubernetes artifacts
Vendor provides PCF buildpack, docker images,
kubernetes artifactsAccess to source code Access to source code Access to source code
Vendor availability to support the migration
Vendor availability to support the migration
Limited or no Windows dependencies
Linux or Windows Server Linux Server
Limited or no access to the code
ExampleExample ISV product. Depends on MySQL
DB and stores large files on disk.Example app that is built on WebSphere. No dependency on WebSphere libraries.
Example app. 4 services built using .NET core and uses Microsoft SQL Server.
Example app uses Java EE, fronted by API gateway ISV product, uses OracleDB.
Example App uses Spring Boot, 6 Microservices, some legacy data sources
but there are behind an API.
Application 1?
Application 2?
Application n…?
First Round: App Portfolio Identification by Bucket
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Stra
tegi
c B
usin
ess
Valu
eExisting
+ High Biz Value
+ Docker Compatible
Vendor won’t
support PAS or
K8s
Existing +
Low ROI +
NO Docker
Existing + Own the Code OR Stateless Docker
Vendor Container Image(s)
PAS
PKS
Cloud Native + Spring + Frequent Releases
Stateful Data Services
CF Buildpack Compatible
Cloud Ready + NO frequent releases
Vendor Buildpack Compatible
Dockerized + Stateful
Retirement or deprioritize
Cloud Native Technology Fit
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Stra
tegi
c B
usin
ess
Valu
eExisting
+ High Biz Value
+ Docker Compatible
Vendor won’t
support PAS or
K8s
Existing +
Low ROI +
NO Docker
Existing + Own the Code OR Stateless Docker
Vendor Container Image(s)
PAS
PKS
Cloud Native + Spring + Frequent Releases
Stateful Data Services
CF Buildpack Compatible
Cloud Ready + NO frequent releases
Vendor Buildpack Compatible
Dockerized + Stateful
Retirement or deprioritize
Cloud Native Technology Fit
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Assess the Value + ROI
2
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PLATFORM VALUE STREAM AND METRICS
REPLATFORM > MODERNIZE > OPTIMIZE
ESTABLISH, MEASURE AND UPDATE KEY OBJECTIVES AND RESULTS (OKRs)
SPEED & AGILITY STABILITY
SCALABILITY SAVINGS
$SECURITY
40-60%*More Projects With Same Staff
MillionsAnnual Savings on HW, SW and Support
25-50%*Fewer Support Incidents
40%*Faster Patching Delivery @ Zero Downtime
-90%*Time to Scale
$
$
%
How We Think about the Business Case
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TIME MethodologyTE
CH
NIC
AL
QU
ALI
TY
BUSINESS VALUEWORSE BETTER
WO
RSE
BET
TER Tolerate Invest
MigrateEliminate
* Gartner’s TIME methodology for Application Portfolio Rationalization
TECHNICAL QUALITY - Technical Debt Level BUSINESS VALUE - Revenue / Cost Impact
Identify top 10s list
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TIME MethodologyTE
CH
NIC
AL
QU
ALI
TY
BUSINESS VALUEWORSE BETTER
WO
RSE
BET
TER Tolerate Invest
MigrateEliminate
* Gartner’s TIME methodology for Application Portfolio Rationalization
TECHNICAL QUALITY - Technical Debt Level BUSINESS VALUE - Revenue / Cost Impact
Identify top 10s list
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Get Started!
3
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APP
APP
APP
APP
1Identify 5-10 apps confirmed as suitable to run on PKS 2
Work on a short project to push a few apps all the way to prod and measure the ROI metrics
Samp
le Too
l Ch
ain
Gitlab ArtifactoryConcourse
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Helm helps you manage Kubernetes applications
Helm Charts helps you define, install, and
upgrade even the most complex Kubernetes
application.
The latest version of Helm is maintained by the
CNCF - in collaboration with Microsoft, Google,
Bitnami and the Helm contributor community.
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Sample Use Case of PAS + PKS
BOSH
OtherBroker
Services
Platform Services
Logging Metrics Monitoring
Pivotal Application Service (PAS)
VMware GCP Azure Openstack AWS
Spring Boot App
PKS
Con
trol
ler GCP
ServiceBroker
Harbor
NSX
-T
Kubernetes
K8s ClusterK8s Cluster
Spring Boot App
Elastic Search
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Recap…
1Identify candidate
applicationsAssess the value
of each application and
the ROI
Get started!
2 3
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THANK YOU