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Bigkube - effortless Spark applications deployment and testing in minikube.

Bigkube is about big data and Spark local development automation - automated deployments, well fitted components, integration testing with SBT right from IDE console.

Prerequisites

  1. Run powershell as Administrator.
  2. Turn of Hyper-V. Disable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V-All
  3. Install virtualbox
  4. Install Docker for windows
  5. Install choco
  6. Install Minikube
  7. Install kubernetes-ctl
  8. Install Helm
  9. Install JDK
  10. Install SBT
  11. Make sure SBT version is not less than 1.2.8 and there's Scala 2.11 sdk is set for the project

Before deployment

  1. Run sbt assembly repo's base dir.
  2. Make sure minikube start --cpus=4 --memory=8192 --mount flags set.

Deployment steps

  1. cd deployment - DON'T SKIP THIS
  2. .\bigkube.ps1 serve-jar - read output instructions carefully, ensure jar serving host ip is substituted according instructions
  3. Modify Kafka.yaml , change external kafka listener to minikube ip
  4. .\bigkube.ps1 create - creates all necessary infrastructure. Troubleshooting: don't worry if some pods are "red" right after deployment. All Hadoop deployments are smart enough to wait for each other to be stand by in appropriate sequence. Just give them some time.
  5. .\bigkube.ps1 spark-init - inits Helm (with Tiller) and Spark operator.

Note: bigkube.ps1 resolves all service accounts issues, secrets, config maps and etc.

Run integration tests

0.Don't forget cd ... Come back to sbt folder.

  1. Write your own integration test using SparkController. Examples provided.
  2. Change minkube ip and mssql, presto ports in it.conf.
  3. Simply run sbt it:test from repo's base dir - and that's it, your Spark app is deployed into minikube and tests are executed locally on your host machine.

GUI

  1. minikube dashboard
  2. Run minikube service list. You can go to namenode and presto UI with corresponding URLs.
  3. One can use Metabase, an open source tool for rapid access data. Works with Presto and SQLServer as well.

Delete deployments

Alongside with kubectl delete -f file.yaml you can use:

  1. .\bigkube.ps1 delete - deletes all bigkube infrastructure
  2. .\bigkube.ps1 spark-drop - deletes helmed spark operator

Acknowledgments

Thanks to Nik Katalnikov for linux & macos implementation. Thanks to Big Data Europe for Hadoop Docker images. Thanks to Valeira Katalnikova for Bigkube logo.