k8s.bash

#!/bin/bash

if ! command -v kubectl &> /dev/null; then
    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
    kubectl version --client


    go install sigs.k8s.io/kind@v0.26.0
    kind create cluster

    curl -L -o kubebuilder "https://go.kubebuilder.io/dl/latest/$(go env GOOS)/$(go env GOARCH)"
    chmod +x kubebuilder && sudo mv kubebuilder /usr/local/bin/

    rm kubectl

    # krew
    (
        set -x; cd "$(mktemp -d)" &&
        OS="$(uname | tr '[:upper:]' '[:lower:]')" &&
        ARCH="$(uname -m | sed -e 's/x86_64/amd64/' -e 's/\(arm\)\(64\)\?.*/\1\2/' -e 's/aarch64$/arm64/')" &&
        KREW="krew-${OS}_${ARCH}" &&
        curl -fsSLO "https://github.com/kubernetes-sigs/krew/releases/latest/download/${KREW}.tar.gz" &&
        tar zxvf "${KREW}.tar.gz" &&
        ./"${KREW}" install krew
    )
    kubectl krew install view-secret
    kubectl krew install stern
else
    echo "kubectl is already installed."
fi


if ! command -v helm &> /dev/null; then
    curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
    chmod 700 get_helm.sh
    ./get_helm.sh
    rm get_helm.sh
else
    echo "helm is already installed."
fi