get_kubectl_kind.sh

#!/bin/bash

set -euo pipefail
source build.env

# This script downloads kind binary that are
# used as part of the vtop test environment,
# and places them in vitess/bin/.
#
# The vtop example test expects kind binary to be found in the PATH.

mkdir -p "$VTROOT/bin"
cd "$VTROOT/bin"

KUBE_VERSION="${KUBE_VERSION:-v1.21.1}"
KUBERNETES_RELEASE_URL="${KUBERNETES_RELEASE_URL:-https://dl.k8s.io}"

# Download kubectl if needed.
if [ ! -f "kubectl-${KUBE_VERSION}" ]; then
    echo "Downloading kubectl ${KUBE_VERSION}..."
    curl -L "${KUBERNETES_RELEASE_URL}/${KUBE_VERSION}/bin/linux/amd64/kubectl" > "kubectl-${KUBE_VERSION}"
    chmod +x "kubectl-${KUBE_VERSION}"
fi
echo "Using kubectl ${KUBE_VERSION}."
ln -sf "kubectl-${KUBE_VERSION}" kubectl

# Download kind if needed.
if ! command -v kind &> /dev/null
then
    echo "Downloading kind..."
    curl -L https://kind.sigs.k8s.io/dl/v0.12.0/kind-linux-amd64 > "kind"
    chmod +x "kind"
    echo "Installed kind"
else
    echo "Kind already installed"
fi