Liferay Portal 7 Microservices for the Enterprise

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The document discusses microservices and their characteristics including componentization via services, being organized around business capabilities, treating products instead of projects, having smart endpoints and dumb pipes, decentralized governance and data management, infrastructure automation, designing for failure, and evolutionary design. It provides examples of how OSGi services demonstrate some of these characteristics.

Software

Milen Dyankov
@milendyankov
Liferay Portal 7
(micro)services
for the enterprise

Componentization via Services
Organized around Business Capabilities
Products not Projects
Smart endpoints and dumb pipes
Decentralized Governance
Decentralized Data Management
Infrastructure Automation
Design for failure
Evolutionary Design
Microservices
characteristics!

. . .
then all you are doing is shifting
complexity from inside a
component to the connections
between components.
. . .
it moves it to a place that's
less explicit and harder to
control.

. . .
The Deployment Model is a Detail.
. . .
there is no such thing
as a micro-service
architecture.
Micro-services are a
deployment option
. . .

Componentization via Services
Smart endpoints and dumb pipes
Decentralized Data Management
Design for failure
Let's focus on software
related ones

OSGi services
manifestmanifestmanifest manifest
OSGi service registry
Interface
Service 1
. . .
Service N

OSGi services
manifestmanifestmanifest
OSGi service registry
REGISTER
REGISTER
USE
manifest
Interface
Service 1
. . .
Service N

OSGi services
manifestmanifest
OSGi service registry
SERVLET
SERVLET
GET GET
REGISTER
REGISTER
HTTPServiceImpl
HTTP
Service
HTTPServiceImpl
REGISTER

OSGi services
manifestmanifest
OSGi service registry
HTTP
Servlet
REGISTER
SERVLET
SERVLET
GET
(when needed)
HTTPServiceImpl
Servlet1
(path=”/1”)
Servlet2
(path=”/2”)
REGISTER
applying White Board Pattern

●
Componentization via Services
manifestmanifest
OSGi service registry
HTTP
Servlet
REGISTER
SERVLET
SERVLET
GET
(when needed)
HTTPServiceImpl
Servlet1
(path=”/1”)
Servlet2
(path=”/2”)
REGISTER

Smart endpoints and dumb pipes
manifestmanifest
OSGi service registry
HTTP
Servlet
REGISTER
SERVLET
SERVLET
GET
(when needed)
HTTPServiceImpl
Servlet1
(path=”/1”)
Servlet2
(path=”/2”)
REGISTER
no

Decentralized Data Management
manifestmanifest
OSGi service registry
HTTP
Servlet
REGISTER
SERVLET
SERVLET
GET
(when needed)
HTTPServiceImpl
Servlet1
(path=”/1”)
Servlet2
(path=”/2”)
REGISTER
Everything

Design for failure
manifestmanifest
OSGi service registry
HTTP
Servlet
REGISTER
SERVLET
SERVLET
GET
(when needed)
Servlet1
(path=”/1”)
Servlet2
(path=”/2”)
REGISTER
HTTPServiceImpl

Remote services
OSGi service registry
Interface
Service 1
Service 1 (remote)
OSGi service registry
Interface
Service 1

milen.dyankov@liferay.com
http://www.liferay.com/web/milen.dyankov/
@milendyankov
@LiferayPL
http://www.liferay.com
@Liferay
http://www.facebook.com/Liferay

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Liferay Portal 7 Microservices for the Enterprise

1. Milen Dyankov @milendyankov Liferay Portal 7 (micro)services for the enterprise

2. Componentization via Services Organized around Business Capabilities Products not Projects Smart endpoints and dumb pipes Decentralized Governance Decentralized Data Management Infrastructure Automation Design for failure Evolutionary Design Microservices characteristics!

4. ...

5. ...

6. ...

7. ... or

8. ... or ...∞

9. ... or ...∞ ...

10. ... or ... Reduced complexity !!! ∞ ...

11. . . . then all you are doing is shifting complexity from inside a component to the connections between components. . . . it moves it to a place that's less explicit and harder to control.

12. . . . The Deployment Model is a Detail. . . . there is no such thing as a micro-service architecture. Micro-services are a deployment option . . .

13. Componentization via Services Organized around Business Capabilities Products not Projects Smart endpoints and dumb pipes Decentralized Governance Decentralized Data Management Infrastructure Automation Design for failure Evolutionary Design 50% not strictly software but rather operations related!

14. Componentization via Services Smart endpoints and dumb pipes Decentralized Data Management Design for failure Let's focus on software related ones

15. OSGi services manifestmanifestmanifest manifest OSGi service registry Interface Service 1 . . . Service N

16. OSGi services manifestmanifestmanifest OSGi service registry REGISTER REGISTER USE manifest Interface Service 1 . . . Service N

17. OSGi services manifestmanifest OSGi service registry SERVLET SERVLET GET GET REGISTER REGISTER HTTPServiceImpl HTTP Service HTTPServiceImpl REGISTER

18. OSGi services manifestmanifest OSGi service registry HTTP Servlet REGISTER SERVLET SERVLET GET (when needed) HTTPServiceImpl Servlet1 (path=”/1”) Servlet2 (path=”/2”) REGISTER applying White Board Pattern

19. ● Componentization via Services manifestmanifest OSGi service registry HTTP Servlet REGISTER SERVLET SERVLET GET (when needed) HTTPServiceImpl Servlet1 (path=”/1”) Servlet2 (path=”/2”) REGISTER

20. Smart endpoints and dumb pipes manifestmanifest OSGi service registry HTTP Servlet REGISTER SERVLET SERVLET GET (when needed) HTTPServiceImpl Servlet1 (path=”/1”) Servlet2 (path=”/2”) REGISTER no

21. Decentralized Data Management manifestmanifest OSGi service registry HTTP Servlet REGISTER SERVLET SERVLET GET (when needed) HTTPServiceImpl Servlet1 (path=”/1”) Servlet2 (path=”/2”) REGISTER Everything

22. Design for failure manifestmanifest OSGi service registry HTTP Servlet REGISTER SERVLET SERVLET GET (when needed) Servlet1 (path=”/1”) Servlet2 (path=”/2”) REGISTER HTTPServiceImpl

23. Remote services OSGi service registry Interface Service 1 Service 1 (remote) OSGi service registry Interface Service 1

24. DEMO

25. milen.dyankov@liferay.com http://www.liferay.com/web/milen.dyankov/ @milendyankov @LiferayPL http://www.liferay.com @Liferay http://www.facebook.com/Liferay

Liferay Portal 7 Microservices for the Enterprise

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