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require "formula"
class Kafka < Formula
homepage "http://kafka.apache.org"
head "http://git-wip-us.apache.org/repos/asf/kafka.git"
url "http://mirrors.ibiblio.org/apache/kafka/0.8.1.1/kafka-0.8.1.1-src.tgz"
mirror "http://mirror.sdunix.com/apache/kafka/0.8.1.1/kafka-0.8.1.1-src.tgz"
sha1 "104c15d22da36216a678e6a0c3243c552e47af87"
depends_on "zookeeper"
depends_on :java => "1.7"
def install
system "./gradlew", "jar"
# Use 1 partition by default so individual consumers receive all topic messages
inreplace "config/server.properties", "num.partitions=2", "num.partitions=1"
logs = var/"log/kafka"
inreplace "config/log4j.properties", "kafka.logs.dir=logs", "kafka.logs.dir=#{logs}"
inreplace "config/test-log4j.properties", ".File=logs/", ".File=#{logs}/"
data = var/"lib"
inreplace "config/server.properties",
"log.dirs=/tmp/kafka-logs", "log.dirs=#{data}/kafka-logs"
inreplace "config/zookeeper.properties",
"dataDir=/tmp/zookeeper", "dataDir=#{data}/zookeeper"
libexec.install %w(contrib core examples lib perf system_test)
prefix.install "bin"
bin.env_script_all_files(libexec/"bin", :JAVA_HOME => "`/usr/libexec/java_home`")
mv "config", "kafka"
etc.install "kafka"
libexec.install_symlink etc/"kafka" => "config"
end
def caveats; <<-EOS.undent
To start Kafka, ensure that ZooKeeper is running and then execute:
kafka-server-start.sh #{etc}/kafka/server.properties
Gradle's Scala plugin is not Java 8 compatible, so you may have to
use Java 7, see:
http://issues.gradle.org/browse/GRADLE-3023
If you have Java 7 installed along with other versions, try:
JAVA_HOME=$(/usr/libexec/java_home -v 1.7) brew install kafka
EOS
end
end
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