kafka

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#!/bin/sh
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements.  See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License.  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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# Override this section from the script to include the com.sun.management.jmxremote.rmi.port property.
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if [ -z "${KAFKA_JMX_OPTS-}" ]; then
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    export KAFKA_JMX_OPTS="-Dcom.sun.management.jmxremote=true \
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    -Dcom.sun.management.jmxremote.authenticate=false \
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    -Dcom.sun.management.jmxremote.ssl=false "
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fi
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# The JMX client needs to be able to connect to java.rmi.server.hostname.
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# The default for bridged n/w is the bridged IP so you will only be able to connect from another docker container.
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# For host n/w, this is the IP that the hostname on the host resolves to.
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# If you have more than one n/w configured, hostname -i gives you all the IPs,
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# the default is to pick the first IP (or network).
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export KAFKA_JMX_HOSTNAME=${KAFKA_JMX_HOSTNAME:-$(hostname -i | cut -d" " -f1)}
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if [ "${KAFKA_JMX_PORT-}" ]; then
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    export JMX_PORT=$KAFKA_JMX_PORT
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    export KAFKA_JMX_OPTS="${KAFKA_JMX_OPTS-} -Djava.rmi.server.hostname=$KAFKA_JMX_HOSTNAME \
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    -Dcom.sun.management.jmxremote.local.only=false \
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    -Dcom.sun.management.jmxremote.rmi.port=$JMX_PORT \
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    -Dcom.sun.management.jmxremote.port=$JMX_PORT"
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fi
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# Invoke the docker wrapper to setup property files and format storage
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result=$(/opt/kafka/kafka.Kafka setup \
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      --default-configs-dir /etc/kafka/docker \
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      --mounted-configs-dir /mnt/shared/config \
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      --final-configs-dir /opt/kafka/config \
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      -Dlog4j.configuration=file:/opt/kafka/config/tools-log4j.properties 2>&1) || \
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      echo $result | grep -i "already formatted" || \
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      { echo $result && (exit 1) }
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echo "WARNING: THIS IS AN EXPERIMENTAL DOCKER IMAGE RECOMMENDED FOR LOCAL TESTING AND DEVELOPMENT PURPOSES."
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KAFKA_LOG4J_CMD_OPTS="-Dkafka.logs.dir=/opt/kafka/logs/ -Dlog4j.configuration=file:/opt/kafka/config/log4j.properties"
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exec /opt/kafka/kafka.Kafka start --config /opt/kafka/config/server.properties $KAFKA_LOG4J_CMD_OPTS $KAFKA_JMX_OPTS ${KAFKA_OPTS-}
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