Webinar: Distributed OSGi nodes with Spagic
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Transcript of Webinar: Distributed OSGi nodes with Spagic
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Open Source SOA Universal MiddlewareDistributed OSGi nodes with Spagic 3
Version 3.0
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What you will see in this Webinar
Topics of this Webinar
� Introduction: Spagic main features
� Distributed Service Execution
� Technical Explanation
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Introduction: Spagic SOA Universal Middleware
� Life-cycle management
� Monitoring
� Modularization� Reusability
� Versioning
� Standardization
It’s a platform for creating new servicesIt’s a platform for creating new services
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It’s a platform for composing servicesIt’s a platform for composing services
The design of processes is done through the BPMN standard :
� Opportunity to mix automatic services and human activities� Roles separation on human activities
� Process Monitoring
Introduction: Spagic SOA Universal Middleware
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Introduction: Spagic Architecture
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This feature applies to service execution within orchestration processesThis feature applies to service execution within orchestration processes
Distributed Service Execution
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Default execution model
Spagic Service Manager
All services deployed on a single Service Manager instanceA specific service is dedicated to the orchestration of other services
All services deployed on a single Service Manager instanceA specific service is dedicated to the orchestration of other services
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Default execution model
Spagic Service Manager
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Default execution model
Spagic Service Manager
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Default execution model
Spagic Service Manager
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Distributed execution model
SpagicService Manager 2
SpagicService Manager 1
CreditCheckCreditCheck
ConfirmOrderConfirmOrder
NotifyNoCreditNotifyNoCredit
InvoiceGenerationInvoiceGeneration
……
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Distributed execution model
SpagicService Manager 2
SpagicService Manager 1
CreditCheckCreditCheck
ConfirmOrderConfirmOrder
NotifyNoCreditNotifyNoCredit
InvoiceGenerationInvoiceGeneration
……
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Distributed execution model
SpagicService Manager 2
SpagicService Manager 1
CreditCheckCreditCheck
ConfirmOrderConfirmOrder
NotifyNoCreditNotifyNoCredit
InvoiceGenerationInvoiceGeneration
……
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Distributed execution model
SpagicService Manager 2
SpagicService Manager 1
CreditCheckCreditCheck
ConfirmOrderConfirmOrder
NotifyNoCreditNotifyNoCredit
InvoiceGenerationInvoiceGeneration
……
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Spagic Console
A single monitoring console for all Service Manager instancesA single monitoring console for all Service Manager instances
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Technical insight: Services Activation
How is the interaction between components performed ?The components send and receive messages
How is the interaction between components performed ?The components send and receive messages
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Technical insight: Services Activation
The components don’t interact directlyThe components don’t interact directly
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Technical insight: Services Activation
Spagic Normalized Message RouterSpagic Normalized Message Router
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Technical insight: Services Activation
Spagic Normalized Message RouterSpagic Normalized Message Router
OSGi EventAdminOSGi EventAdmin
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OSGi Event Admin Service
Event SourceEvent Source
OSGi EventAdminOSGi EventAdmin
Event SourceEvent Source
Event HandlerEvent Handler Event HandlerEvent Handler
SendSend
Event HandlerEvent Handler
NotifyNotify
SendSend
NotifyNotify NotifyNotify
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A Message Oriented Middleware (MOM)
The services interact with messagesThe services interact with messages
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Courtesy of EcpliseSourcehttp://eclipsesource.com/blogs/2009/06/16/distributed-osgi-eventadmin-service/
The Distributed Event Admin Service
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Technical insight: Services Activation
Spagic NormalizedMessage Router 1
Spagic NormalizedMessage Router 1
OSGi DistributedEventAdmin
OSGi DistributedEventAdmin
Message Persistence Queue
Spagic NormalizedMessage Router 2
Spagic NormalizedMessage Router 2
OSGi DistributedEventAdmin
OSGi DistributedEventAdmin
Spagic NormalizedMessage Router 2
Spagic NormalizedMessage Router 2
OSGi DistributedEventAdmin
OSGi DistributedEventAdmin
OSGi DistributedEventAdmin
OSGi DistributedEventAdmin
Spagic NormalizedMessage Router 2
Spagic NormalizedMessage Router 2
OSGi DistributedEventAdmin
OSGi DistributedEventAdmin
Spagic NormalizedMessage Router 2
Spagic NormalizedMessage Router 2
OSGi DistributedEventAdmin
OSGi DistributedEventAdmin
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Distributed execution model
The Service Manager always “tries” to execute the service locallyThe Service Manager always “tries” to execute the service locally
SpagicService Manager 2
SpagicService Manager 1
CreditCheckCreditCheck
ConfirmOrderConfirmOrder
NotifyNoCreditNotifyNoCredit
InvoiceGenerationInvoiceGeneration
……
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Distributed execution model
The Service Manager always “tries” to execute the service locallyThe Service Manager always “tries” to execute the service locally
SpagicService Manager 2
SpagicService Manager 1
CreditCheckCreditCheck
ConfirmOrderConfirmOrder
NotifyNoCreditNotifyNoCredit
InvoiceGenerationInvoiceGeneration
……
CreditCheckCreditCheck
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Spagic Deployment Models
Enterprise Node
OSGi Service ContainerOSGi Service Container
ESBESB
Lite Node
OSGi Service ContainerOSGi Service Container
Java App. Server
OSGi Service ContainerApp Library
CustomApplication
Different deployment models availableDifferent deployment models available
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Some limitations
� BPEL Apache ODE engine, extended for the use of:
� OSGi Spagic connectors
� OSGi Bundles, as rules engine, CEP, Quartz, mail, XSLT, HL7
� Spagic Monitor for BPEL orchestration
Apache ODE (BPEL eng)Apache ODE (BPEL eng)
Spagic Service Manager (Equinox OSGi)
Apache Tomcat
Spagic MonitorSpagic Monitor
The feature is not available for BPEL processesThe feature is not available for BPEL processes
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Next steps
� Spagic 3 will be available on the OW2 Forge(http://forge.ow2.org/projects/spagic) by the end of April
� At now on the forge you find the release 3 RC (Release Candidate)
� On the next releases we’ll focus on the development of new services and connectors and we’ll provide new monitoring and management features