├── LICENSE ├── README.md ├── kafka ├── Dockerfile ├── scripts │ └── start-kafka.sh └── supervisor │ ├── kafka.conf │ └── zookeeper.conf └── kafkaproxy ├── Dockerfile ├── consumer.properties ├── kafka-0.7.2.jar ├── kafkaproxy.conf ├── producer.properties ├── start_proxy.sh └── zkclient-0.1.jar /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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This means: 14 | 15 | * No dependency on an external Zookeeper host, or linking to another container 16 | * Zookeeper and Kafka are configured to work together out of the box 17 | 18 | Run 19 | --- 20 | 21 | ```bash 22 | docker run -p 2181:2181 -p 9092:9092 --env ADVERTISED_HOST=`docker-machine ip \`docker-machine active\`` --env ADVERTISED_PORT=9092 spotify/kafka 23 | ``` 24 | 25 | ```bash 26 | export KAFKA=`docker-machine ip \`docker-machine active\``:9092 27 | kafka-console-producer.sh --broker-list $KAFKA --topic test 28 | ``` 29 | 30 | ```bash 31 | export ZOOKEEPER=`docker-machine ip \`docker-machine active\``:2181 32 | kafka-console-consumer.sh --zookeeper $ZOOKEEPER --topic test 33 | ``` 34 | 35 | Running the proxy 36 | ----------------- 37 | 38 | Take the same parameters as the spotify/kafka image with some new ones: 39 | * `CONSUMER_THREADS` - the number of threads to consume the source kafka 7 with 40 | * `TOPICS` - whitelist of topics to mirror 41 | * `ZK_CONNECT` - the zookeeper connect string of the source kafka 7 42 | * `GROUP_ID` - the group.id to use when consuming from kafka 7 43 | 44 | ```bash 45 | docker run -p 2181:2181 -p 9092:9092 \ 46 | --env ADVERTISED_HOST=`boot2docker ip` \ 47 | --env ADVERTISED_PORT=9092 \ 48 | --env CONSUMER_THREADS=1 \ 49 | --env TOPICS=my-topic,some-other-topic \ 50 | --env ZK_CONNECT=kafka7zookeeper:2181/root/path \ 51 | --env GROUP_ID=mymirror \ 52 | spotify/kafkaproxy 53 | ``` 54 | 55 | In the box 56 | --- 57 | * **spotify/kafka** 58 | 59 | The docker image with both Kafka and Zookeeper. Built from the `kafka` 60 | directory. 61 | 62 | * **spotify/kafkaproxy** 63 | 64 | The docker image with Kafka, Zookeeper and a Kafka 7 proxy that can be 65 | configured with a set of topics to mirror. 66 | 67 | Public Builds 68 | --- 69 | 70 | https://registry.hub.docker.com/u/spotify/kafka/ 71 | 72 | https://registry.hub.docker.com/u/spotify/kafkaproxy/ 73 | 74 | Build from Source 75 | --- 76 | 77 | docker build -t spotify/kafka kafka/ 78 | docker build -t spotify/kafkaproxy kafkaproxy/ 79 | 80 | Todo 81 | --- 82 | 83 | * Not particularily optimzed for startup time. 84 | * Better docs 85 | 86 | -------------------------------------------------------------------------------- /kafka/Dockerfile: -------------------------------------------------------------------------------- 1 | # Kafka and Zookeeper 2 | 3 | FROM java:openjdk-8-jre 4 | 5 | ENV DEBIAN_FRONTEND noninteractive 6 | ENV SCALA_VERSION 2.11 7 | ENV KAFKA_VERSION 0.10.1.0 8 | ENV KAFKA_HOME /opt/kafka_"$SCALA_VERSION"-"$KAFKA_VERSION" 9 | 10 | # Install Kafka, Zookeeper and other needed things 11 | RUN apt-get update && \ 12 | apt-get install -y zookeeper wget supervisor dnsutils && \ 13 | rm -rf /var/lib/apt/lists/* && \ 14 | apt-get clean && \ 15 | wget -q http://apache.mirrors.spacedump.net/kafka/"$KAFKA_VERSION"/kafka_"$SCALA_VERSION"-"$KAFKA_VERSION".tgz -O /tmp/kafka_"$SCALA_VERSION"-"$KAFKA_VERSION".tgz && \ 16 | tar xfz /tmp/kafka_"$SCALA_VERSION"-"$KAFKA_VERSION".tgz -C /opt && \ 17 | rm /tmp/kafka_"$SCALA_VERSION"-"$KAFKA_VERSION".tgz 18 | 19 | ADD scripts/start-kafka.sh /usr/bin/start-kafka.sh 20 | 21 | # Supervisor config 22 | ADD supervisor/kafka.conf supervisor/zookeeper.conf /etc/supervisor/conf.d/ 23 | 24 | # 2181 is zookeeper, 9092 is kafka 25 | EXPOSE 2181 9092 26 | 27 | CMD ["supervisord", "-n"] 28 | -------------------------------------------------------------------------------- /kafka/scripts/start-kafka.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # Optional ENV variables: 4 | # * ADVERTISED_HOST: the external ip for the container, e.g. `docker-machine ip \`docker-machine active\`` 5 | # * ADVERTISED_PORT: the external port for Kafka, e.g. 9092 6 | # * ZK_CHROOT: the zookeeper chroot that's used by Kafka (without / prefix), e.g. "kafka" 7 | # * LOG_RETENTION_HOURS: the minimum age of a log file in hours to be eligible for deletion (default is 168, for 1 week) 8 | # * LOG_RETENTION_BYTES: configure the size at which segments are pruned from the log, (default is 1073741824, for 1GB) 9 | # * NUM_PARTITIONS: configure the default number of log partitions per topic 10 | 11 | # Configure advertised host/port if we run in helios 12 | if [ ! -z "$HELIOS_PORT_kafka" ]; then 13 | ADVERTISED_HOST=`echo $HELIOS_PORT_kafka | cut -d':' -f 1 | xargs -n 1 dig +short | tail -n 1` 14 | ADVERTISED_PORT=`echo $HELIOS_PORT_kafka | cut -d':' -f 2` 15 | fi 16 | 17 | # Set the external host and port 18 | if [ ! -z "$ADVERTISED_HOST" ]; then 19 | echo "advertised host: $ADVERTISED_HOST" 20 | if grep -q "^advertised.host.name" $KAFKA_HOME/config/server.properties; then 21 | sed -r -i "s/#(advertised.host.name)=(.*)/\1=$ADVERTISED_HOST/g" $KAFKA_HOME/config/server.properties 22 | else 23 | echo "advertised.host.name=$ADVERTISED_HOST" >> $KAFKA_HOME/config/server.properties 24 | fi 25 | fi 26 | if [ ! -z "$ADVERTISED_PORT" ]; then 27 | echo "advertised port: $ADVERTISED_PORT" 28 | if grep -q "^advertised.port" $KAFKA_HOME/config/server.properties; then 29 | sed -r -i "s/#(advertised.port)=(.*)/\1=$ADVERTISED_PORT/g" $KAFKA_HOME/config/server.properties 30 | else 31 | echo "advertised.port=$ADVERTISED_PORT" >> $KAFKA_HOME/config/server.properties 32 | fi 33 | fi 34 | 35 | # Set the zookeeper chroot 36 | if [ ! -z "$ZK_CHROOT" ]; then 37 | # wait for zookeeper to start up 38 | until /usr/share/zookeeper/bin/zkServer.sh status; do 39 | sleep 0.1 40 | done 41 | 42 | # create the chroot node 43 | echo "create /$ZK_CHROOT \"\"" | /usr/share/zookeeper/bin/zkCli.sh || { 44 | echo "can't create chroot in zookeeper, exit" 45 | exit 1 46 | } 47 | 48 | # configure kafka 49 | sed -r -i "s/(zookeeper.connect)=(.*)/\1=localhost:2181\/$ZK_CHROOT/g" $KAFKA_HOME/config/server.properties 50 | fi 51 | 52 | # Allow specification of log retention policies 53 | if [ ! -z "$LOG_RETENTION_HOURS" ]; then 54 | echo "log retention hours: $LOG_RETENTION_HOURS" 55 | sed -r -i "s/(log.retention.hours)=(.*)/\1=$LOG_RETENTION_HOURS/g" $KAFKA_HOME/config/server.properties 56 | fi 57 | if [ ! -z "$LOG_RETENTION_BYTES" ]; then 58 | echo "log retention bytes: $LOG_RETENTION_BYTES" 59 | sed -r -i "s/#(log.retention.bytes)=(.*)/\1=$LOG_RETENTION_BYTES/g" $KAFKA_HOME/config/server.properties 60 | fi 61 | 62 | # Configure the default number of log partitions per topic 63 | if [ ! -z "$NUM_PARTITIONS" ]; then 64 | echo "default number of partition: $NUM_PARTITIONS" 65 | sed -r -i "s/(num.partitions)=(.*)/\1=$NUM_PARTITIONS/g" $KAFKA_HOME/config/server.properties 66 | fi 67 | 68 | # Enable/disable auto creation of topics 69 | if [ ! -z "$AUTO_CREATE_TOPICS" ]; then 70 | echo "auto.create.topics.enable: $AUTO_CREATE_TOPICS" 71 | echo "auto.create.topics.enable=$AUTO_CREATE_TOPICS" >> $KAFKA_HOME/config/server.properties 72 | fi 73 | 74 | # Run Kafka 75 | $KAFKA_HOME/bin/kafka-server-start.sh $KAFKA_HOME/config/server.properties 76 | -------------------------------------------------------------------------------- /kafka/supervisor/kafka.conf: -------------------------------------------------------------------------------- 1 | [program:kafka] 2 | command=/usr/bin/start-kafka.sh 3 | autostart=true 4 | autorestart=true -------------------------------------------------------------------------------- /kafka/supervisor/zookeeper.conf: -------------------------------------------------------------------------------- 1 | [program:zookeeper] 2 | command=/usr/share/zookeeper/bin/zkServer.sh start-foreground 3 | autostart=true 4 | autorestart=true -------------------------------------------------------------------------------- /kafkaproxy/Dockerfile: -------------------------------------------------------------------------------- 1 | # Kafka, Zookeeper and Kafka 7 proxy 2 | FROM spotify/kafka 3 | 4 | ADD kafka-0.7.2.jar kafka-0.7.2.jar 5 | ADD zkclient-0.1.jar zkclient-0.1.jar 6 | ADD consumer.properties consumer.properties 7 | ADD producer.properties producer.properties 8 | ADD start_proxy.sh /start_proxy.sh 9 | ADD kafkaproxy.conf /etc/supervisor/conf.d/kafkaproxy.conf 10 | 11 | ENV LOG_RETENTION_HOURS 1 12 | 13 | ADD https://archive.apache.org/dist/kafka/0.8.1/kafka_2.8.0-0.8.1.tgz / 14 | RUN cd / && tar xzf kafka_2.8.0-0.8.1.tgz 15 | ENV TAIL_KAFKA_HOME /kafka_2.8.0-0.8.1 16 | 17 | CMD ["supervisord", "-n"] 18 | -------------------------------------------------------------------------------- /kafkaproxy/consumer.properties: -------------------------------------------------------------------------------- 1 | zk.connect= 2 | zk.connectiontimeout.ms=1000000 3 | rebalance.retries.max=60 4 | groupid= 5 | mirror.consumer.numthreads=1 6 | -------------------------------------------------------------------------------- /kafkaproxy/kafka-0.7.2.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/spotify/docker-kafka/fc8cdbd2e23a5cac21e7138d07ea884b4309c59a/kafkaproxy/kafka-0.7.2.jar -------------------------------------------------------------------------------- /kafkaproxy/kafkaproxy.conf: -------------------------------------------------------------------------------- 1 | [program:kafka_proxy] 2 | command=/start_proxy.sh 3 | autostart=true 4 | autorestart=true 5 | -------------------------------------------------------------------------------- /kafkaproxy/producer.properties: -------------------------------------------------------------------------------- 1 | metadata.broker.list=127.0.0.1:9092 2 | partitioner.class=kafka.producer.ByteArrayPartitioner 3 | producer.type=sync 4 | compression.codec=snappy 5 | -------------------------------------------------------------------------------- /kafkaproxy/start_proxy.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | : ${KAFKA_HOME:?"Need to configure KAFKA_HOME"} 4 | : ${CONSUMER_THREADS:?"Need to configure CONSUMER_THREADS"} 5 | : ${TOPICS:?"Need to configure TOPICS whitelist"} 6 | : ${ZK_CONNECT:?"Need to configure ZK_CONNECT string"} 7 | : ${GROUP_ID:?"Need to configure GROUP_ID string"} 8 | 9 | sed -i "s/mirror.consumer.numthreads=.*/mirror.consumer.numthreads=$CONSUMER_THREADS/" /consumer.properties 10 | sed -i "s/zk.connect=.*/$ZK_CONNECT/" /consumer.properties 11 | sed -i "s/groupid=.*/$GROUP_ID/" /consumer.properties 12 | 13 | cd / 14 | exec $TAIL_KAFKA_HOME/bin/kafka-run-class.sh kafka.tools.KafkaMigrationTool \ 15 | --kafka.07.jar ../kafka-0.7.2.jar \ 16 | --zkclient.01.jar ../zkclient-0.1.jar \ 17 | --num.producers 16 \ 18 | --num.streams $CONSUMER_THREADS \ 19 | --consumer.config=../consumer.properties \ 20 | --producer.config=../producer.properties \ 21 | --whitelist="$TOPICS" 22 | -------------------------------------------------------------------------------- /kafkaproxy/zkclient-0.1.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/spotify/docker-kafka/fc8cdbd2e23a5cac21e7138d07ea884b4309c59a/kafkaproxy/zkclient-0.1.jar --------------------------------------------------------------------------------