kubernetes-the-hard-way/scripts/download_etcd_binaries

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#!/usr/bin/env bash
ETCD3_RELEASE_VERSION=$1
OUTPUT_DIR=$(realpath "$2")
tmp_dir=$(mktemp -d)
pushd "$tmp_dir" &> /dev/null
curl -sL "https://github.com/etcd-io/etcd/releases/download/$ETCD3_RELEASE_VERSION/etcd-$ETCD3_RELEASE_VERSION-linux-arm64.tar.gz" | tar -zxf -
mkdir -p $OUTPUT_DIR
mv etcd-$ETCD3_RELEASE_VERSION-linux-arm64/etcd $OUTPUT_DIR/
mv etcd-$ETCD3_RELEASE_VERSION-linux-arm64/etcdctl $OUTPUT_DIR/
popd &> /dev/null
rm -rf $tmp_dir