chain-service-calls

Chain of service calls

1. Start Keycloak

Docker

Using the image from https://hub.docker.com/r/jboss/keycloak/

docker run -p 8090:8080 -e JAVA_OPTS="-Dkeycloak.profile.feature.scripts=enabled -Dkeycloak.profile.feature.upload_scripts=enabled -server -Xms64m -Xmx512m -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true -Djboss.modules.system.pkgs=org.jboss.byteman -Djava.awt.headless=true" -e KEYCLOAK_USER=admin -e KEYCLOAK_PASSWORD=admin  -v `pwd`:/chain-service-calls  -e KEYCLOAK_IMPORT=/chain-service-calls/example-realm-export.json  jboss/keycloak

Standard

sh bin/standalone.sh  -c standalone.xml -b 0.0.0.0 -Djboss.bind.address.management=0.0.0.0 --debug 8190 -Djboss.http.port=8090

Open the Keycloak admin console, click on Add Realm, click on import 'Select file', select example-realm-export.json and click Create.

2. Run Services Locally

• Service1

cd service1
npm i
npm run start

• Service2

cd service2
npm i
npm run offline

• Service3

cd service3
npm i
npm run offline

3. Run UI locally

cd frontend
npm i
npm run start

4. Open UI

http://localhost:3001

users:

User	Password	Service 1 Role 1	Service 1 Role 2	Service 2 Role	Service 3 Role
user	user	X	X	X	X
user1	user1	-	-	X	X
user2	user2	X	-	-	X

6. Results

User	Result	Description
User		All Access
User1		FrontEnd->Service2 and FrontEnd->Service3->Service2
User1		FrontEnd->Service1->Service2 and FrontEnd->Service2