Setup H2

Build & Push Docker Image

• docker build . -t jqayyum/h2 && docker push jqayyum/h2

Create Kubernetes Deployment & Service

• kubectl create -f h2-deployment.yml
• kubectl create -f h2-service.yml

Find service url and ports

• minikube service h2-service --url

Verify Service is running

By going to h2 web console e.g. http://http://192.168.99.100:31637

Note:

• H2 pod is using persistent volumes although local ones
• H2 service is exposing random ports, in order to demonstrate service discovery

Setup Apacha Camel (Producer)

Producer picks unprocessed records from h2 db and processes them.

TODO: Send the records/tasks to activemq

Package app

• mvn package

Build, Tag, & Push Docker Image

• docker build . -t jqayyum/producer && docker push jqayyum/producer

Create Kubernetes Pod

• kubectl create -f producer-pod.yml

Note:

• producer is using service discovery using DNS to discover h2-service.

TODO:

• Create service and deployment of producer

Useful commands

• view logs stream of a pod kubectl logs -f producer-pod

• connect to a pod kubectl exec -it h2-pod -- /bin/bash

• force delete a pod kubectl delete pod producer-pod --now --force

Work in progress...