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#!/bin/bash
set -e
PKGS=""
PKG_CMD=""
if [ -f "/etc/redhat-release" ]; then
PKGS="$PKGS java-1.7.0-openjdk-devel"
PKG_CMD="yum install -y"
elif [ -f "/etc/debian_version" ]; then
PKGS="$PKGS openjdk-7-jdk"
PKG_CMD="apt-get install -y"
else
echo "Unknown operating system!"
exit 1
fi
JAVA=`which java`
if [ -z "$JAVA" ]; then
sudo $PKG_CMD $PKGS
fi
function on_exit() {
local ec="$?"
if [ -n "$ZOO_DIR" ]; then
if [ -f "$ZOO_DIR/bin/zkServer.sh" ]; then
$ZOO_DIR/bin/zkServer.sh stop
fi
fi
return $ec
}
trap "on_exit" EXIT
VERSION="3.4.6"
if [ ! -d "$PWD/.zookeeper" ]; then
mkdir -p "$PWD/.zookeeper"
fi
ZOO_BASE_DIR="$PWD/.zookeeper/"
if [ ! -f "$PWD/.zookeeper/zookeeper-$VERSION.tar.gz" ]; then
echo "Downloading: zookeeper-$VERSION -> $PWD/.zookeeper/zookeeper-$VERSION.tar.gz"
curl -o "$PWD/.zookeeper/zookeeper-$VERSION.tar.gz" \
"http://www.us.apache.org/dist/zookeeper/zookeeper-$VERSION/zookeeper-$VERSION.tar.gz"
fi
cd "$ZOO_BASE_DIR"
if [ ! -d "zookeeper-$VERSION" ]; then
echo "Extracting zookeeper-$VERSION.tar.gz -> $ZOO_BASE_DIR/zookeeper-$VERSION"
mkdir -p $ZOO_BASE_DIR/zookeeper-$VERSION
tar xzf ./zookeeper-$VERSION.tar.gz -C $ZOO_BASE_DIR/zookeeper-$VERSION --strip-components 1
fi
echo "Adjusting configuration..."
ZOO_DIR="$ZOO_BASE_DIR/zookeeper-$VERSION"
cp "$ZOO_DIR/conf/zoo_sample.cfg" "$ZOO_DIR/conf/zoo.cfg"
ZOO_DATADIR="$ZOO_BASE_DIR/.data/"
mkdir -p "$ZOO_DATADIR"
sed -i -r "s@(dataDir *= *).*@\1$ZOO_DATADIR@" "$ZOO_DIR/conf/zoo.cfg"
export ZOO_DATADIR="$ZOO_DATADIR"
echo "Starting..."
$ZOO_DIR/bin/zkServer.sh start-foreground
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