Exploration: Deploying DSpace with Kubernetes

[terrywbrady]

I have been testing this PR on Windows 10 + Docker Desktop. I have enabled Kubernetes in Docker Desktop. I am using the kubectl that is bundled with Docker for Windows.

Why Kubernetes for DSpace?

• See https://wiki.duraspace.org/display/DSPACE/DSpace+Docker+and+Cloud+Deployment+Goals#DSpaceDockerandCloudDeploymentGoals-Goal6:ExploreKubernetesDeploymentofDSpace

Objectives for the PR

• Understand how to adapt DSpace Docker for kubernetes deployment
• Migrate local.cfg to a Kubernetes Config Map
• Configure DSpace Docker Images as services in Kubernetes
  • See https://stackoverflow.com/questions/57317501/kubernetes-modeling-jobs-cron-tasks-for-postgres-tomcat-application
• Configure CLI tasks as kubernetes jobs
  • dspace/dspace-cli image (6x) - see [DS-4321] 6x: docker image dspace/dspace-cli:dspace-6_x DSpace/DSpace#2476
  • dspace/dspace-cli image (master) - [DS-4321] master: docker image dspace/dspace-cli:dspace-7_x DSpace/DSpace#2480
• Understand volume persistence options for DSpace in kubernetes
  • See https://stackoverflow.com/questions/57227990/kubernetes-in-docker-for-windows-volume-configuration-for-postgres
  • See https://stackoverflow.com/questions/57378980/replicate-docker-compose-volume-behavior-in-kubernetes
• Run Jobs/Crons via Kubernetes
  • See https://stackoverflow.com/questions/57317501/kubernetes-modeling-jobs-cron-tasks-for-postgres-tomcat-application

Try it yourself

• https://github.com/DSpace-Labs/DSpace-Docker-Images/tree/kubernetes/kubernetes#docker-desktop

Share your thoughts

Share your thoughts on this effort here or in #dspace-docker on Slack

Related PR

• Alternate docker-compose approach #142