ceph-csi/vendor/k8s.io/kubernetes/hack/lib/etcd.sh
Serguei Bezverkhi e9033989a0 vendor updates
2018-03-07 11:43:06 -05:00

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#!/bin/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=${ETCD_VERSION:-3.2.14}
ETCD_HOST=${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 [[ $(uname) == "Darwin" ]]; then
download_file="etcd-v${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}"
)
}