Overview

In order to demonstrate how to develop a new Cluster API provider we will use kubebuilder to create an example provider. For more information on kubebuilder and CRDs in general we highly recommend reading the Kubebuilder Book. Much of the information here was adapted directly from it. The minimal version of kubebuilder required is v1.0.5.

Prerequisites

tl;dr

MacOS Linux 
# Install kubectl
brew install kubernetes-cli

# Install minikube
curl -fLo minikube https://storage.googleapis.com/minikube/releases/v0.30.0/minikube-darwin-amd64 && \
chmod +x minikube && \
sudo cp minikube /usr/local/bin/ && \
rm minikube

# Install kustomize
brew install kustomize

MacOS

# Install kubectl
brew install kubernetes-cli

# Install minikube
curl -fLo minikube https://storage.googleapis.com/minikube/releases/v0.30.0/minikube-darwin-amd64 && \
chmod +x minikube && \
sudo cp minikube /usr/local/bin/ && \
rm minikube

# Install kustomize
brew install kustomize

Linux

# Install kubectl
KUBECTL_VERSION=$(curl -sf https://storage.googleapis.com/kubernetes-release/release/stable.txt)
curl -fLO https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl

# Install minikube
curl -fLo minikube https://storage.googleapis.com/minikube/releases/v0.30.0/minikube-linux-amd64 && \
chmod +x minikube && \
sudo cp minikube /usr/local/bin/ && \
rm minikube

# Install kustomize
OS_TYPE=linux
curl -sf https://api.github.com/repos/kubernetes-sigs/kustomize/releases/latest |\
  grep browser_download |\
  grep ${OS_TYPE} |\
  cut -d '"' -f 4 |\
  xargs curl -f -O -L
mv kustomize_*_${OS_TYPE}_amd64 /usr/local/bin/kustomize
chmod u+x /usr/local/bin/kustomize

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