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Drools + Quarkus Hello World

Installing and Running

  • Prerequisites: install qs-playground 8.0-SNAPSHOT

  • Compile and Run

     mvn clean compile quarkus:dev

  • Native Image (requires JAVA_HOME to point to a valid GraalVM)

    mvn package -Pnative

    native executable (and runnable jar) generated in target/

Examples

Hello World

Point to http://localhost:8080/hello for Drools hello world

More complex example

  • post
curl -d '{"name":"edo", "age":32}' -H "Content-Type: application/json" \
    -X POST http://localhost:8080/persons                                                                                                    ~

Manual Deploy on Openshift

Build Container on docker

docker build -t kogito-examples/drools-quarkus .
docker images | grep drools-quarkus

Deploy on Openshift

By default will be created under project called "My Project"

kubectl create -f kubernetes/deployment.yml 
kubectl create -f kubernetes/service.yml

In the pod's log you could see

2019-03-07 15:51:40,720 INFO  [io.quarkus] (main) Quarkus 0.11.0 started in 0.019s. Listening on: http://[::]:8080
2019-03-07 15:51:40,720 INFO [io.quarkus] (main) Installed features: [cdi, resteasy]

Let's go to expose the service

oc expose service drools-quarkus

this create a yaml file and the route for us on openshift, like this (in routes section on My Project)

apiVersion: route.openshift.io/v1
kind: Route
metadata:
  annotations:
    openshift.io/host.generated: 'true'
  creationTimestamp: '2019-02-20T10:25:59Z'
  labels:
    app: drools-quarkus
  name: drools-quarkus
  namespace: myproject
  resourceVersion: '30743'
  selfLink: /apis/route.openshift.io/v1/namespaces/myproject/routes/drools-quarkus
  uid: ea2676d6-34f9-11e9-bd97-08002709a920
spec:
  host: drools-quarkus-myproject.192.168.99.109.nip.io
  port:
    targetPort: http
  to:
    kind: Service
    name: drools-quarkus
    weight: 100
  wildcardPolicy: None
status:
  ingress:
    - conditions:
        - lastTransitionTime: '2019-02-20T10:25:59Z'
          status: 'True'
          type: Admitted
      host: drools-quarkus-myproject.192.168.99.109.nip.io
      routerName: router
      wildcardPolicy: None

oc get route

 NAME             HOST/PORT                                        PATH             SERVICES       PORT      TERMINATION   WILDCARD
 drools-quarkus   drools-quarkus-myproject.192.168.99.109.nip.io   drools-quarkus   http           None

Your address will be http://drools-quarkus-myproject.192.168.99.109.nip.io/hello