A Discovery Service for Java EE - Jfokus...#SnoopEE - Jfokus 2016 @ivar_grimstad SnoopEE Ivar...

@ivar_grimstad#SnoopEE - Jfokus 2016

SnoopEE

Ivar Grimstad Principal Consultant, Cybercom Sweden

JCP Expert Group Member (JSRs 368, 371, 375)

A Discovery Service for Java EE


@ivar_grimstad

https://github.com/ivargrimstadhttps://www.linkedin.com/in/ivargrimstad

http://lanyrd.com/profile/ivargrimstad/


Discovering Microservices with

SnoopEE


Service A Service B Service C

Application

Call A Call B Call C



Application SnoopEE Discovery Service

Register Register Register





Lookup A

Call A





Lookup B

Call B





Lookup B


DEMO !


Hello World Bzzz

Hello World SnoopEE Discovery Service


Payara 4.1 Docker + GlassFish 4.1

Docker + WildFly 9 WebSphere Liberty

Docker + WildFly 8 WildFly Swarm

Lookup

Call

Call

Call


Hello World Bzzz

Hello World SnoopEE Discovery Service


Payara 4.1 Docker + GlassFish 4.1

Docker + WildFly 9 Docker + WildFly 8 WildFly Swarm

Lookup

Call

Call

Call


ResourcesSnoopEE http://snoopee.agilejava.eu

Samples https://github.com/ivargrimstad/snoop-samples

Docker Images https://hub.docker.com/u/ivargrimstad

http://snoopee.agilejava.eu

https://github.com/ivargrimstad/spring-javaee

https://hub.docker.com/u/ivargrimstad


cybercom.com


SnoopEEService Registration


@EnableSnoopClient(serviceName="hello")


@EnableSnoopClient(name = "hello") @ApplicationPath("api") public class ApplicationConfig extends Application { }


SnoopEEService Lookup


@Snoop(serviceName="hello")


@Inject @Snoop(serviceName = "hello") private SnoopServiceClient helloService;


SnoopEE ServiceConsumption


SnoopServiceClient


@Inject @Snoop(serviceName = "hello") private SnoopServiceClient helloService;


String helloResponse = helloService.simpleGet("hello") .filter(r -> r.getStatus()==200) .map(r -> r.readEntity(String.class)) .orElse("goodbye");


SnoopEE Configuration


System Properties

Environment Variables

Application Configuration(snoop.yml)


snoop.yml

snoop: host: http://localhost port: 8080 serviceRoot: snoop-hello-service/api snoopService: 192.168.99.100:8081/snoop-service/

A Discovery Service for Java EE - Jfokus...#SnoopEE - Jfokus 2016 @ivar_grimstad SnoopEE Ivar...

Documents

Transcript of A Discovery Service for Java EE - Jfokus...#SnoopEE - Jfokus 2016 @ivar_grimstad SnoopEE Ivar...