experiences in building a paas platform - java one sfo 2012


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Experiences in building a PaaS platformBhavanisankara SapaligaJagadish Ramu

Conference Session - CON7735


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The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle.


Program Agenda

• Cloud Computing• PaaS and Java EE• PaaS implications on application deployment• Design Model• Service Orchestration• Resources


Cloud Computing

• Illusion of infinite computing resources available on demand

• Elimination of an up-front commitment by cloud users• Ability to pay for use of computing resources on a short-

term basis

What’s new?

(+) Above the Clouds, Armbrust et al, UC Berkeley, 2009


Cloud Computing

• On-demand Self-Service• Broad network access• Resource Pooling• Rapid Elasticity• Measured Service

Essential Characteristics

(*) NIST Definition of Cloud Computing – 800-145 (Draft)


Cloud Computing

• Private Cloud– Operated solely for an organization– On-premise or off-premise

• Community Cloud• Public Cloud

– Access to general public• Hybrid Cloud

– 2 or more clouds, Cloud Bursting

Deployment Models



Cloud Computing

• Software as a Service (SaaS)• Platform as a Service (PaaS)

– Deploy customer-created applications– Using languages and tools supported by PaaS Provider– No control of underlying cloud infrastructure– Control over deployed applications, hosting env. Configurations

• Infrastructure as a Service (IaaS)

Service Models



Program Agenda



PaaS and Java EE

• Common programming model for enterprise developers• Runtime handles application’s infrastructure concerns• Declarative resource references• Scalable (scale-out) component models

Java EE design principles and capabilities


PaaS and Java EE

• Enhancements– New Roles for PaaS– Services as first class citizens– Multitenancy

• Evolution, not a revolution!

Java EE 7: “Making Java EE ready for the cloud”


New PaaS Roles in Java EE 7

• PaaS Product Vendor• PaaS Provider• PaaS Account Manager• PaaS Customer• Application Submitter• Application Administrator• End-User


Java EE 7 Roles in a PaaS scenario


Program Agenda



PaaS Implications on Deployment• Simplified PaaS Application Deployment

– Single-click, self-service, “push to cloud”


PaaS Implications on Deployment

• Automatic Service Provisioning and Management– Service Orchestration

• Automatic Service Dependency discovery• Service Provisioning and Association

– Handle operational infrastructure concerns automatically• Network configuration, HA, Clustering, Load Balancing …

– Application and Service deployment versioning

Services Management



• Scalable virtualized on-demand environment– Support multiple cloud deployment models

• Public, Private, Hybrid– PaaS Provider decoupled from IaaS infrastructure– Multi-tenancy

Virtualized runtimes



• Automatic Scaling of Services– Scale to application’s needs– User-defined alerts and actions

• Control over application hosting environment– Flexibility in choice of application services, framework– Rich service configuration– Shared services– Extensible runtime to allow new Services

Scaling and Operations


A sample application stack


Traditional Java EE Application Deployment


DemoClassic Deployment


Java EE PaaS Application Deployment


DemoPaaS Deployment


Program Agenda



Service Orchestration

Enable single-click deployment of a PaaS application through automatic service dependency discovery, service provisioning and service association

One-liner


Terminology

• Service• ServiceType

– Java EE, RDBMS, HTTP Load Balancer etc.• Services – scope and lifecycle

– Provisioned Services• Application scoped• Shared

– External (a priori ) services


Specification of Service Metadata

• Optional!– When not specified (vanilla EE app archives)

• Orchestration Engine automatically handles discovery of service deps

• Automatic wiring to default Service Templates– Metadata may be specified when:

• Finer grain control of application environment desired• Application-specific Service configuration


Design Model


Specification of Service Metadata

• Service Definition– Metadata used to provision and configure a Service

• What : Service characteristics (functional and non-functional) → Template matching

• How : Explicit Template specification → Template wiring• Service Reference

– An application component’s dependency on a Service• Explicit : User-specified through deployment descriptors• Implicit and Discovered: Information contained within the

archive


Service Dependency Specification


Sample Service Definition


Sample Service Reference


Program Agenda



GlassFish PaaS Runtime Architecture


Service Orchestration Flow


Service Dependency Discovery


Service Provisioning


Service Association


PaaS Deployment Usecases

• GlassFish 4.0 latest builds– PaaS Deployment/Undeployment– Application enable/disable– Elastic scaling of GlassFish Services

Available now in GlassFish 4.0


PaaS Deployment Usecases

• Redeployment support with retain services• PaaS Application Versioning• Shared and External Services• Support for other ServiceTypes – MQ …

Candidate Features


Program Agenda



Resources

• GlassFish 4.0 http://download.java.net/glassfish/4.0/promoted/– Service Orchestration Onepager http://bit.ly/pXOzFP– Java EE 7 keynote demo http://bit.ly/q9T7Z2

• Java EE 7 http://jcp.org//en/jsr/detail?id=342– PaaS Model http://bit.ly/o3XZIP

• Above the Clouds: A Berkeley View of Cloud Computing http://bit.ly/15MEL0

• The NIST Definition of Cloud Computing -- Special Publication 800-145(Draft) http://1.usa.gov/eZ8PSn

For more information

http://download.java.net/glassfish/4.0/promoted/

http://bit.ly/pXOzFP

http://bit.ly/q9T7Z2

http://jcp.org/en/jsr/detail?id=342

http://bit.ly/o3XZIP

http://bit.ly/15MEL0

http://1.usa.gov/eZ8PSn


Key Features

• Simplified Deployment in PaaS runtimes• Standards based application development• Support multiple Deployment Models and make

transition seamless

Service Orchestration


Q&A


Classic Duke Future Tech Duke

experiences in building a paas platform - java one sfo 2012

Technology

oracle andor

service paas

paas scenario14 copyright

paas services

cloud bursting8 copyright

java ee paas implications

service iaas9 copyright

new paas roles