71 lines
2.3 KiB
Bash
71 lines
2.3 KiB
Bash
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#! /bin/bash
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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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# This volume is assumed to exist and is shared with parent of the init
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# container. It contains the zookeeper installation.
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INSTALL_VOLUME="/opt"
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# This volume is assumed to exist and is shared with the peer-finder
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# init container. It contains on-start/change configuration scripts.
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WORKDIR_VOLUME="/work-dir"
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# As of April-2016 is 3.4.8 is the latest stable, but versions 3.5.0 onward
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# allow dynamic reconfiguration.
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VERSION="3.5.0-alpha"
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for i in "$@"
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do
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case $i in
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-i=*|--install-into=*)
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INSTALL_VOLUME="${i#*=}"
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shift
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;;
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-w=*|--work-dir=*)
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WORKDIR_VOLUME="${i#*=}"
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shift
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;;
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*)
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# unknown option
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;;
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esac
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done
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echo installing config scripts into "${WORKDIR_VOLUME}"
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mkdir -p "${WORKDIR_VOLUME}"
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cp /on-start.sh "${WORKDIR_VOLUME}"/
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cp /peer-finder "${WORKDIR_VOLUME}"/
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echo installing zookeeper-"${VERSION}" into "${INSTALL_VOLUME}"
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mkdir -p "${INSTALL_VOLUME}"
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mv /zookeeper "${INSTALL_VOLUME}"/zookeeper
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cp "${INSTALL_VOLUME}"/zookeeper/conf/zoo_sample.cfg "${INSTALL_VOLUME}"/zookeeper/conf/zoo.cfg
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# TODO: Should dynamic config be tied to the version?
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IFS="." read -ra RELEASE <<< "${VERSION}"
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if [ $(expr "${RELEASE[1]}") -gt 4 ]; then
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echo zookeeper-"${VERSION}" supports dynamic reconfiguration, enabling it
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echo "standaloneEnabled=false" >> "${INSTALL_VOLUME}"/zookeeper/conf/zoo.cfg
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echo "dynamicConfigFile="${INSTALL_VOLUME}"/zookeeper/conf/zoo.cfg.dynamic" >> "${INSTALL_VOLUME}"/zookeeper/conf/zoo.cfg
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fi
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# TODO: This is a hack, netcat is convenient to have in the zookeeper container
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# I want to avoid using a custom zookeeper image just for this. So copy it.
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NC=$(which nc)
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if [ "${NC}" != "" ]; then
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echo copying nc into "${INSTALL_VOLUME}"
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cp "${NC}" "${INSTALL_VOLUME}"
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fi
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