Elasticsearch, Spark on OpenShift

Overview

This example demonstrate how to deploy elasticsearch and spark to Openshift, and a Spring boot on top of them.

Elasticsearch

Create project
$ oc new-project elastic-spark
Setup ElasticSearch
$ oc new-app --docker-image=docker.io/elasticsearch:2.4.6 --name=elastic
$ oc expose svc/elastic
Test Elasticsearch
$ curl http://elastic-elastic-spark.192.168.42.102.nip.io/
{
  "name" : "Digitek",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "MiiiFsazRGqr9HNgFyIA6g",
  "version" : {
    "number" : "2.4.6",
    "build_hash" : "5376dca9f70f3abef96a77f4bb22720ace8240fd",
    "build_timestamp" : "2017-07-18T12:17:44Z",
    "build_snapshot" : false,
    "lucene_version" : "5.5.4"
  },
  "tagline" : "You Know, for Search"
}
Note
 The elastic url can be found via oc get routes | grep elastic.

Spark

Setup Spark
$ oc new-app --docker-image=docker.io/radanalyticsio/openshift-spark --name=spark
$ oc expose svc/spark

Spring Boot

Setup Spring Boot
$ cd spring-boot/
$ mvn clean fabric8:deploy
Note
 Maven fabric8 plugin will do S2I and enable Spring Boot Service.
Test Spring Boot
$ curl http://spring-boot-elastic-spark.192.168.42.102.nip.io/rest/ping
$ curl http://spring-boot-elastic-spark.192.168.42.102.nip.io/rest/findAll
$ curl http://spring-boot-elastic-spark.192.168.42.102.nip.io/rest/findByFirstName/Kylin
$ curl http://spring-boot-elastic-spark.192.168.42.102.nip.io/rest/findByLastName/Soong

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