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Pipelines with Spark

Setup

Install kind

MacOS

brew install kind

Linux

# For AMD64 / x86_64
[ $(uname -m) = x86_64 ] && curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.23.0/kind-linux-amd64
# For ARM64
[ $(uname -m) = aarch64 ] && curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.23.0/kind-linux-arm64
chmod +x ./kind
sudo mv ./kind /usr/local/bin/kind

Install kubectl

MacOS

brew install kubernetes-cli

Linux

# We assume you have curl installed
curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

Setup Kubernetes

Create Docker registry and Kubernetes cluster

./kubernetes/kind-with-registry.sh

Create and configure Kubernetes service account for Spark

kubectl create serviceaccount spark
kubectl create clusterrolebinding spark-role --clusterrole=edit --serviceaccount=default:spark --namespace=default

Setup Python Environment

python -m venv .venv
source .venv/bin/activate
python -m pip install -e .
python -m pip install build

Build Spark Image with Python 3.12

Why? Because I am angry that the official Spark image is using Python 3.8.10. That was three years ago.

docker build -t localhost:5001/spark:python3.12 -f Dockerfile-spark .
docker push localhost:5001/spark:python3.12

Get the Data

On Kaggle, download the India Higher Education Analytics dataset and unpack it to a folder data within this project directory.

Run

Note that the code as-is will likely hit an OutOfMemory (OOM) error.

docker build -t localhost:5001/pipelines-with-spark:latest .
docker push localhost:5001/pipelines-with-spark:latest
spark-submit \
  --master "k8s://$(kubectl config view --minify --output jsonpath='{.clusters[*].cluster.server}')" \
  --deploy-mode cluster \
  --name pipelines-with-spark \
  --conf spark.kubernetes.namespace=default \
  --conf spark.kubernetes.container.image=localhost:5001/pipelines-with-spark:latest \
  --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark \
  local:///opt/spark/work-dir/main.py

Cleanup

Delete Kubernetes Cluster

kind delete cluster
docker stop kind-registry && docker rm kind-registry