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#!/usr/bin/env bash
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#
# If this scripted is run out of /usr/bin or some other system bin directory
# it should be linked to and not copied. Things like java jar files are found
# relative to the canonical path of this script.
#
# use POSIX interface, symlink is followed automatically
ZOOBIN="${BASH_SOURCE-$0}"
ZOOBIN="$(dirname "${ZOOBIN}")"
ZOOBINDIR="$(cd "${ZOOBIN}"; pwd)"
if [ -e "$ZOOBIN/../libexec/zkEnv.sh" ]; then
. "$ZOOBINDIR"/../libexec/zkEnv.sh
else
. "$ZOOBINDIR"/zkEnv.sh
fi
usage() {
# the configfile will be properly formatted as long as the
# configfile path is less then 40 chars, otw the line will look a
# bit weird, but otherwise it's fine
printf "usage: $0 <parameters>
Optional parameters:
-h Display this message
--help Display this message
--configfile=%-40s ZooKeeper config file
--myid=# Set the myid to be used, if any (1-255)
--force Force creation of the data/txnlog dirs
" "$ZOOCFG"
exit 1
}
if [ $? != 0 ] ; then
usage
exit 1
fi
initialize() {
if [ ! -e "$ZOOCFG" ]; then
echo "Unable to find config file at $ZOOCFG"
exit 1
fi
ZOO_DATADIR="$(grep "^[[:space:]]*dataDir" "$ZOOCFG" | sed -e 's/.*=//')"
ZOO_DATALOGDIR="$(grep "^[[:space:]]*dataLogDir" "$ZOOCFG" | sed -e 's/.*=//')"
if [ -z "$ZOO_DATADIR" ]; then
echo "Unable to determine dataDir from $ZOOCFG"
exit 1
fi
if [ $FORCE ]; then
echo "Force enabled, data/txnlog directories will be re-initialized"
else
# we create if version-2 exists (ie real data), not the
# parent. See comments in following section for more insight
if [ -d "$ZOO_DATADIR/version-2" ]; then
echo "ZooKeeper data directory already exists at $ZOO_DATADIR (or use --force to force re-initialization)"
exit 1
fi
if [ -n "$ZOO_DATALOGDIR" ] && [ -d "$ZOO_DATALOGDIR/version-2" ]; then
echo "ZooKeeper txnlog directory already exists at $ZOO_DATALOGDIR (or use --force to force re-initialization)"
exit 1
fi
fi
# remove the child files that we're (not) interested in, not the
# parent. this allows for parent to be installed separately, and
# permissions to be set based on overarching requirements. by
# default we'll use the permissions of the user running this
# script for the files contained by the parent. note also by using
# -p the parent(s) will be created if it doesn't already exist
rm -rf "$ZOO_DATADIR/myid" 2>/dev/null >/dev/null
rm -rf "$ZOO_DATADIR/version-2" 2>/dev/null >/dev/null
mkdir -p "$ZOO_DATADIR/version-2"
if [ -n "$ZOO_DATALOGDIR" ]; then
rm -rf "$ZOO_DATALOGDIR/myid" 2>/dev/null >/dev/null
rm -rf "$ZOO_DATALOGDIR/version-2" 2>/dev/null >/dev/null
mkdir -p "$ZOO_DATALOGDIR/version-2"
fi
if [ $MYID ]; then
echo "Using myid of $MYID"
echo $MYID > "$ZOO_DATADIR/myid"
else
echo "No myid provided, be sure to specify it in $ZOO_DATADIR/myid if using non-standalone"
fi
touch "$ZOO_DATADIR/initialize"
}
while [ ! -z "$1" ]; do
case "$1" in
--configfile)
ZOOCFG=$2; shift 2
;;
--configfile=?*)
ZOOCFG=${1#*=}; shift 1
;;
--myid)
MYID=$2; shift 2
;;
--myid=?*)
MYID=${1#*=}; shift 1
;;
--force)
FORCE=1; shift 1
;;
-h)
usage
;;
--help)
usage
;;
*)
echo "Unknown option: $1"
usage
exit 1
;;
esac
done
initialize
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