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class Kafka < Formula
homepage "https://kafka.apache.org"
head "https://git-wip-us.apache.org/repos/asf/kafka.git"
url "http://mirrors.ibiblio.org/apache/kafka/0.8.2.1/kafka-0.8.2.1-src.tgz"
mirror "https://archive.apache.org/dist/kafka/0.8.2.1/kafka-0.8.2.1-src.tgz"
sha1 "99d61c6e23cb2694112f844afedb6f13d711c356"
bottle do
cellar :any
revision 1
sha256 "6421db989eae488bbd6491f22ced46753500cb3534f0dec47b2f2132afa4425d" => :yosemite
sha256 "4adacd36a38bbef07e4326224d56c74cdc34b906ec60594035f4c354aa25381e" => :mavericks
sha256 "63fca4b6a35aaa7c50771d93ffca044c1cbe6ae66f6b76617408533b40ff8687" => :mountain_lion
end
depends_on "gradle"
depends_on "zookeeper"
depends_on :java => "1.7+"
# Related to https://issues.apache.org/jira/browse/KAFKA-2034
# Since Kafka does not currently set the source or target compability version inside build.gradle
# if you do not have Java 1.8 installed you cannot used the bottled version of Kafka
def pour_bottle?
quiet_system("/usr/libexec/java_home --version 1.8 --failfast")
end
def install
system "gradle"
system "gradle", "jar"
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"
# Workaround for conflicting slf4j-log4j12 jars (1.7.6 is preferred)
rm_f "core/build/dependant-libs-2.10.4/slf4j-log4j12-1.6.1.jar"
# remove Windows scripts
rm_rf "bin/windows"
libexec.install %w[clients contrib core examples system_test]
prefix.install "bin"
bin.env_script_all_files(libexec/"bin", Language::Java.java_home_env("1.7+"))
mv "config", "kafka"
etc.install "kafka"
libexec.install_symlink etc/"kafka" => "config"
# create directory for kafka stdout+stderr output logs when run by launchd
(var+"log/kafka").mkpath
end
def caveats; <<-EOS.undent
To start Kafka, ensure that ZooKeeper is running and then execute:
kafka-server-start.sh #{etc}/kafka/server.properties
EOS
end
test do
cp_r libexec/"system_test", testpath
cd testpath/"system_test" do
# skip plot graph if matplotlib is unavailable.
# https://github.com/Homebrew/homebrew/pull/37264#issuecomment-76514574
unless quiet_system "python", "-c", "import matplotlib"
inreplace testpath/"system_test/utils/metrics.py" do |s|
s.gsub! "import matplotlib as mpl", ""
s.gsub! "mpl.use('Agg')", ""
s.gsub! "import matplotlib.pyplot as plt", ""
s.gsub! "import numpy", ""
s.gsub! "if not inputCsvFiles: return", "return"
end
end
system "./run_sanity.sh"
end
end
def plist; <<-EOS.undent
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>#{plist_name}</string>
<key>WorkingDirectory</key>
<string>#{HOMEBREW_PREFIX}</string>
<key>ProgramArguments</key>
<array>
<string>#{opt_bin}/kafka-server-start.sh</string>
<string>#{etc}/kafka/server.properties</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>KeepAlive</key>
<true/>
<key>StandardErrorPath</key>
<string>#{var}/log/kafka/kafka_output.log</string>
<key>StandardOutPath</key>
<string>#{var}/log/kafka/kafka_output.log</string>
</dict>
</plist>
EOS
end
end
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