#!/usr/bin/env bash # Copyright 2014 The Kubernetes Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # A set of helpers for starting/running etcd for tests ETCD_VERSION=${ETCD_VERSION:-3.2.18} ETCD_HOST=${ETCD_HOST:-127.0.0.1} ETCD_PORT=${ETCD_PORT:-2379} kube::etcd::validate() { # validate if in path command -v etcd >/dev/null || { kube::log::usage "etcd must be in your PATH" exit 1 } # validate etcd port is free local port_check_command if command -v ss &> /dev/null && ss -Version | grep 'iproute2' &> /dev/null; then port_check_command="ss" elif command -v netstat &>/dev/null; then port_check_command="netstat" else kube::log::usage "unable to identify if etcd is bound to port ${ETCD_PORT}. unable to find ss or netstat utilities." exit 1 fi if ${port_check_command} -nat | grep "LISTEN" | grep "[\.:]${ETCD_PORT:?}" >/dev/null 2>&1; then kube::log::usage "unable to start etcd as port ${ETCD_PORT} is in use. please stop the process listening on this port and retry." kube::log::usage "`netstat -nat | grep "[\.:]${ETCD_PORT:?} .*LISTEN"`" exit 1 fi # validate installed version is at least equal to minimum version=$(etcd --version | tail -n +1 | head -n 1 | cut -d " " -f 3) if [[ $(kube::etcd::version $ETCD_VERSION) -gt $(kube::etcd::version $version) ]]; then export PATH=$KUBE_ROOT/third_party/etcd:$PATH hash etcd echo $PATH version=$(etcd --version | head -n 1 | cut -d " " -f 3) if [[ $(kube::etcd::version $ETCD_VERSION) -gt $(kube::etcd::version $version) ]]; then kube::log::usage "etcd version ${ETCD_VERSION} or greater required." kube::log::info "You can use 'hack/install-etcd.sh' to install a copy in third_party/." exit 1 fi fi } kube::etcd::version() { printf '%s\n' "${@}" | awk -F . '{ printf("%d%03d%03d\n", $1, $2, $3) }' } kube::etcd::start() { # validate before running kube::etcd::validate # Start etcd ETCD_DIR=${ETCD_DIR:-$(mktemp -d 2>/dev/null || mktemp -d -t test-etcd.XXXXXX)} if [[ -d "${ARTIFACTS_DIR:-}" ]]; then ETCD_LOGFILE="${ARTIFACTS_DIR}/etcd.$(uname -n).$(id -un).log.DEBUG.$(date +%Y%m%d-%H%M%S).$$" else ETCD_LOGFILE=/dev/null fi kube::log::info "etcd --advertise-client-urls http://${ETCD_HOST}:${ETCD_PORT} --data-dir ${ETCD_DIR} --listen-client-urls http://${ETCD_HOST}:${ETCD_PORT} --debug > \"${ETCD_LOGFILE}\" 2>/dev/null" etcd --advertise-client-urls http://${ETCD_HOST}:${ETCD_PORT} --data-dir ${ETCD_DIR} --listen-client-urls http://${ETCD_HOST}:${ETCD_PORT} --debug 2> "${ETCD_LOGFILE}" >/dev/null & ETCD_PID=$! echo "Waiting for etcd to come up." kube::util::wait_for_url "http://${ETCD_HOST}:${ETCD_PORT}/v2/machines" "etcd: " 0.25 80 curl -fs -X PUT "http://${ETCD_HOST}:${ETCD_PORT}/v2/keys/_test" } kube::etcd::stop() { if [[ -n "${ETCD_PID-}" ]]; then kill "${ETCD_PID}" &>/dev/null || : wait "${ETCD_PID}" &>/dev/null || : fi } kube::etcd::clean_etcd_dir() { if [[ -n "${ETCD_DIR-}" ]]; then rm -rf "${ETCD_DIR}" fi } kube::etcd::cleanup() { kube::etcd::stop kube::etcd::clean_etcd_dir } kube::etcd::install() { ( cd "${KUBE_ROOT}/third_party" if [[ $(readlink etcd) == etcd-v${ETCD_VERSION}-* ]]; then return # already installed fi if [[ $(uname) == "Darwin" ]]; then download_file="etcd-v${ETCD_VERSION}-darwin-amd64.zip" url="https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/${download_file}" kube::util::download_file "${url}" "${download_file}" unzip -o "${download_file}" ln -fns "etcd-v${ETCD_VERSION}-darwin-amd64" etcd rm "${download_file}" else url="https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/etcd-v${ETCD_VERSION}-linux-amd64.tar.gz" download_file="etcd-v${ETCD_VERSION}-linux-amd64.tar.gz" kube::util::download_file "${url}" "${download_file}" tar xzf "${download_file}" ln -fns "etcd-v${ETCD_VERSION}-linux-amd64" etcd fi kube::log::info "etcd v${ETCD_VERSION} installed. To use:" kube::log::info "export PATH=$(pwd)/etcd:\${PATH}" ) }