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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 POSTIX 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
# See the following page for extensive details on setting
# up the JVM to accept JMX remote management:
# http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html
# by default we allow local JMX connections
if [ "x$JMXLOCALONLY" = "x" ]
then
JMXLOCALONLY=false
fi
if [ "x$JMXDISABLE" = "x" ] || [ "$JMXDISABLE" = 'false' ]
then
echo "ZooKeeper JMX enabled by default" >&2
if [ "x$JMXPORT" = "x" ]
then
# for some reason these two options are necessary on jdk6 on Ubuntu
# accord to the docs they are not necessary, but otw jconsole cannot
# do a local attach
ZOOMAIN="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.local.only=$JMXLOCALONLY org.apache.zookeeper.server.quorum.QuorumPeerMain"
else
if [ "x$JMXAUTH" = "x" ]
then
JMXAUTH=false
fi
if [ "x$JMXSSL" = "x" ]
then
JMXSSL=false
fi
if [ "x$JMXLOG4J" = "x" ]
then
JMXLOG4J=true
fi
echo "ZooKeeper remote JMX Port set to $JMXPORT" >&2
echo "ZooKeeper remote JMX authenticate set to $JMXAUTH" >&2
echo "ZooKeeper remote JMX ssl set to $JMXSSL" >&2
echo "ZooKeeper remote JMX log4j set to $JMXLOG4J" >&2
ZOOMAIN="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=$JMXPORT -Dcom.sun.management.jmxremote.authenticate=$JMXAUTH -Dcom.sun.management.jmxremote.ssl=$JMXSSL -Dzookeeper.jmx.log4j.disable=$JMXLOG4J org.apache.zookeeper.server.quorum.QuorumPeerMain"
fi
else
echo "JMX disabled by user request" >&2
ZOOMAIN="org.apache.zookeeper.server.quorum.QuorumPeerMain"
fi
if [ "x$SERVER_JVMFLAGS" != "x" ]
then
JVMFLAGS="$SERVER_JVMFLAGS $JVMFLAGS"
fi
if [ "x$2" != "x" ]
then
ZOOCFG="$ZOOCFGDIR/$2"
fi
# if we give a more complicated path to the config, don't screw around in $ZOOCFGDIR
if [ "x$(dirname "$ZOOCFG")" != "x$ZOOCFGDIR" ]
then
ZOOCFG="$2"
fi
if $cygwin
then
ZOOCFG=`cygpath -wp "$ZOOCFG"`
# cygwin has a "kill" in the shell itself, gets confused
KILL=/bin/kill
else
KILL=kill
fi
echo "Using config: $ZOOCFG" >&2
case "$OSTYPE" in
*solaris*)
GREP=/usr/xpg4/bin/grep
;;
*)
GREP=grep
;;
esac
if [ -z "$ZOOPIDFILE" ]; then
ZOO_DATADIR="$($GREP "^[[:space:]]*dataDir" "$ZOOCFG" | sed -e 's/.*=//')"
if [ ! -d "$ZOO_DATADIR" ]; then
mkdir -p "$ZOO_DATADIR"
fi
ZOOPIDFILE="$ZOO_DATADIR/zookeeper_server.pid"
else
# ensure it exists, otw stop will fail
mkdir -p "$(dirname "$ZOOPIDFILE")"
fi
if [ ! -w "$ZOO_LOG_DIR" ] ; then
mkdir -p "$ZOO_LOG_DIR"
fi
_ZOO_DAEMON_OUT="$ZOO_LOG_DIR/zookeeper.log"
case $1 in
start)
echo -n "Starting zookeeper ... "
if [ -f "$ZOOPIDFILE" ]; then
if kill -0 `cat "$ZOOPIDFILE"` > /dev/null 2>&1; then
echo $command already running as process `cat "$ZOOPIDFILE"`.
exit 0
fi
fi
nohup "$JAVA" "-Dzookeeper.log.dir=${ZOO_LOG_DIR}" "-Dzookeeper.root.logger=${ZOO_LOG4J_PROP}" \
-cp "$CLASSPATH" $JVMFLAGS $ZOOMAIN "$ZOOCFG" > "$_ZOO_DAEMON_OUT" 2>&1 < /dev/null &
if [ $? -eq 0 ]
then
case "$OSTYPE" in
*solaris*)
/bin/echo "${!}\\c" > "$ZOOPIDFILE"
;;
*)
/bin/echo -n $! > "$ZOOPIDFILE"
;;
esac
if [ $? -eq 0 ];
then
sleep 1
echo STARTED
else
echo FAILED TO WRITE PID
exit 1
fi
else
echo SERVER DID NOT START
exit 1
fi
;;
start-foreground)
ZOO_CMD=(exec "$JAVA")
if [ "${ZOO_NOEXEC}" != "" ]; then
ZOO_CMD=("$JAVA")
fi
"${ZOO_CMD[@]}" "-Dzookeeper.log.dir=${ZOO_LOG_DIR}" "-Dzookeeper.root.logger=${ZOO_LOG4J_PROP}" \
-cp "$CLASSPATH" $JVMFLAGS $ZOOMAIN "$ZOOCFG"
;;
print-cmd)
echo "\"$JAVA\" -Dzookeeper.log.dir=\"${ZOO_LOG_DIR}\" -Dzookeeper.root.logger=\"${ZOO_LOG4J_PROP}\" -cp \"$CLASSPATH\" $JVMFLAGS $ZOOMAIN \"$ZOOCFG\" > \"$_ZOO_DAEMON_OUT\" 2>&1 < /dev/null"
;;
stop)
echo -n "Stopping zookeeper ... "
if [ ! -f "$ZOOPIDFILE" ]
then
echo "no zookeeper to stop (could not find file $ZOOPIDFILE)"
else
$KILL -9 $(cat "$ZOOPIDFILE")
rm "$ZOOPIDFILE"
echo STOPPED
fi
exit 0
;;
upgrade)
shift
echo "upgrading the servers to 3.*"
"$JAVA" "-Dzookeeper.log.dir=${ZOO_LOG_DIR}" "-Dzookeeper.root.logger=${ZOO_LOG4J_PROP}" \
-cp "$CLASSPATH" $JVMFLAGS org.apache.zookeeper.server.upgrade.UpgradeMain ${@}
echo "Upgrading ... "
;;
restart)
shift
"$0" stop ${@}
sleep 3
"$0" start ${@}
;;
status)
# -q is necessary on some versions of linux where nc returns too quickly, and no stat result is output
clientPortAddress=`$GREP "^[[:space:]]*clientPortAddress[^[:alpha:]]" "$ZOOCFG" | sed -e 's/.*=//'`
if ! [ $clientPortAddress ]
then
clientPortAddress="localhost"
fi
clientPort=`$GREP "^[[:space:]]*clientPort[^[:alpha:]]" "$ZOOCFG" | sed -e 's/.*=//'`
STAT=`"$JAVA" "-Dzookeeper.log.dir=${ZOO_LOG_DIR}" "-Dzookeeper.root.logger=${ZOO_LOG4J_PROP}" \
-cp "$CLASSPATH" $JVMFLAGS org.apache.zookeeper.client.FourLetterWordMain \
$clientPortAddress $clientPort srvr 2> /dev/null \
| $GREP Mode`
if [ "x$STAT" = "x" ]
then
echo "Error contacting service. It is probably not running."
exit 1
else
echo $STAT
exit 0
fi
;;
*)
echo "Usage: $0 {start|start-foreground|stop|restart|status|upgrade|print-cmd}" >&2
esac
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