kubernetes-the-hard-way/scripts/download_kubernetes_binaries

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#!/usr/bin/env bash
# v1.15.0
K8S_RELEASE_VERSION=$1
OUTPUT_DIR=$(realpath "$2")
tmp_dir=$(mktemp -d)
pushd "$tmp_dir" &> /dev/null
container_id=$(docker create gcr.io/google-containers/hyperkube:$K8S_RELEASE_VERSION)
docker cp $container_id:/hyperkube ./hyperkube
docker rm -f $container_id &> /dev/null
mkdir -p $OUTPUT_DIR/workers
cp hyperkube $OUTPUT_DIR/workers/kubelet
cp hyperkube $OUTPUT_DIR/workers/proxy
cp hyperkube $OUTPUT_DIR/workers/kubectl
mkdir -p $OUTPUT_DIR/masters
cp hyperkube $OUTPUT_DIR/masters/kubelet
cp hyperkube $OUTPUT_DIR/masters/proxy
cp hyperkube $OUTPUT_DIR/masters/kubectl
cp hyperkube $OUTPUT_DIR/masters/scheduler
cp hyperkube $OUTPUT_DIR/masters/controller-manager
cp hyperkube $OUTPUT_DIR/masters/cloud-controller-manager
cp hyperkube $OUTPUT_DIR/masters/apiserver
popd &> /dev/null
rm -rf $tmp_dir