#!/usr/bin/env bash set -o errexit VERSION="v0.8.6" DOWNLOAD=https://github.com/containernetworking/plugins/releases/download/${VERSION}/cni-plugins-linux-amd64-${VERSION}.tgz TARGET_DIR=/opt/cni/bin function install_cni() { mkdir -p ${TARGET_DIR} if [[ -e ${TARGET_DIR}/${VERSION} ]] ; then return fi curl -sSL --fail -o /tmp/cni-plugins.tar.gz ${DOWNLOAD} tar -xf /tmp/cni-plugins.tar.gz -C ${TARGET_DIR} touch ${TARGET_DIR}/${VERSION} } install_cni