kind-environment

kind-env.sh

#!/bin/bash

set -eu

mkdir -p bin

[[ ! -x bin/kubectl ]] \
  && curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/$(uname| tr '[:upper:]' '[:lower:]')/amd64/kubectl \
  && chmod +rx kubectl \
  && mv kubectl bin/
  
#kind
[[ ! -x bin/kind ]] \
  && curl -Lo ./kind "https://kind.sigs.k8s.io/dl/v0.8.0/kind-$(uname)-amd64" \
  && chmod +x ./kind \
  && mv ./kind bin/
  
cat > kind-config.yml <<EOF
apiVersion: kind.x-k8s.io/v1alpha4
kind: Cluster
nodes:
- role: control-plane
- role: worker
kubeadmConfigPatches:
- |
  kind: ClusterConfiguration
  metadata:
    name: config
  apiServer:
    extraArgs:
      "feature-gates": "EphemeralContainers=true"
      "service-account-issuer": "kubernetes.default.svc"
      "service-account-signing-key-file": "/etc/kubernetes/pki/sa.key"
EOF

#k9s
[[ ! -x bin/k9s ]] \
  && curl -L https://github.com/derailed/k9s/releases/download/v0.19.3/k9s_$(uname)_x86_64.tar.gz \
  | tar xzf - k9s && mv k9s bin/

cat >env.sh <<EOF
export PATH=\${PWD}/bin:\$PATH
source <(kubectl completion bash)
source <(kind completion bash)
alias k='kubectl'
complete -o default -F __start_kubectl k
EOF

cat >create-cluster.sh <<EOF
#!/bin/bash
kind create cluster --config ./kind-config.yml
EOF
chmod +rx create-cluster.sh

echo "You need to source the env.sh:"
echo "source ./env.sh"