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69 lines
2.4 KiB
Bash
69 lines
2.4 KiB
Bash
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#!/bin/sh
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# Copyright 2016 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Starts 'etcd' version ${START_VERSION} and writes to it:
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# 'etcd_version' -> "${START_VERSION}"
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# Successful write confirms that etcd is up and running.
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# Sets ETCD_PID at the end.
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# Returns 0 if etcd was successfully started, non-0 otherwise.
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start_etcd() {
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# Use random ports, so that apiserver cannot connect to etcd.
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ETCD_PORT=18629
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ETCD_PEER_PORT=2380
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# Avoid collisions between etcd and event-etcd.
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case "${DATA_DIRECTORY}" in
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*event*)
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ETCD_PORT=18631
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ETCD_PEER_PORT=2381
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;;
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esac
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local ETCD_CMD="${ETCD:-/usr/local/bin/etcd-${START_VERSION}}"
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local ETCDCTL_CMD="${ETCDCTL:-/usr/local/bin/etcdctl-${START_VERSION}}"
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local API_VERSION="$(echo ${START_STORAGE} | cut -c5-5)"
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if [ "${API_VERSION}" = "2" ]; then
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ETCDCTL_CMD="${ETCDCTL_CMD} --debug --endpoint=http://127.0.0.1:${ETCD_PORT} set"
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else
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ETCDCTL_CMD="${ETCDCTL_CMD} --endpoints=http://127.0.0.1:${ETCD_PORT} put"
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fi
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${ETCD_CMD} \
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--name="etcd-$(hostname)" \
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--initial-cluster="etcd-$(hostname)=http://127.0.0.1:${ETCD_PEER_PORT}" \
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--debug \
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--data-dir=${DATA_DIRECTORY} \
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--listen-client-urls http://127.0.0.1:${ETCD_PORT} \
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--advertise-client-urls http://127.0.0.1:${ETCD_PORT} \
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--listen-peer-urls http://127.0.0.1:${ETCD_PEER_PORT} \
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--initial-advertise-peer-urls http://127.0.0.1:${ETCD_PEER_PORT} &
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ETCD_PID=$!
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# Wait until we can write to etcd.
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for i in $(seq 240); do
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sleep 0.5
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ETCDCTL_API="${API_VERSION}" ${ETCDCTL_CMD} 'etcd_version' ${START_VERSION}
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if [ "$?" -eq "0" ]; then
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echo "Etcd on port ${ETCD_PORT} is up."
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return 0
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fi
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done
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echo "Timeout while waiting for etcd on port ${ETCD_PORT}"
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return 1
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}
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# Stops etcd with ${ETCD_PID} pid.
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stop_etcd() {
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kill "${ETCD_PID-}" >/dev/null 2>&1 || :
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wait "${ETCD_PID-}" >/dev/null 2>&1 || :
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}
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