Elasticsearch formula for using the latest (0.90.7) version of the elasticsearch server within brew package manager 1. brew install elasticsearch 2. brew edit elasticsearch 3. replace editor's contents with the contents below 4. brew unlink elasticsearch 5. brew install elasticsearch

elasticsearch.rb

require 'formula'

class Elasticsearch < Formula
  homepage 'http://www.elasticsearch.org'
  url 'http://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-0.90.7.tar.gz'
  sha1 '6cdfe366f3496b587bf440e153567d635ab64559'
  head 'https://github.com/elasticsearch/elasticsearch.git'

  depends_on 'maven' if build.head?

  def cluster_name
    "elasticsearch_#{ENV['USER']}"
  end

  def install
    if build.head?
      # Build the package from source
      system "mvn clean package -DskipTests"
      # Extract the package to the current directory
      system "tar --strip 1 -xzf target/releases/elasticsearch-*.tar.gz"
    end

    # Remove Windows files
    rm_f Dir["bin/*.bat"]

    # Move libraries to `libexec` directory
    libexec.install Dir['lib/*.jar']
    (libexec/'sigar').install Dir['lib/sigar/*.{jar,dylib}']

    # Install everything else into package directory
    prefix.install Dir['*']

    # Remove unnecessary files
    rm_f Dir["#{lib}/sigar/*"]
    if build.head?
      rm_rf "#{prefix}/pom.xml"
      rm_rf "#{prefix}/src/"
      rm_rf "#{prefix}/target/"
    end

    # Set up ElasticSearch for local development:
    inreplace "#{prefix}/config/elasticsearch.yml" do |s|
      # 1. Give the cluster a unique name
      s.gsub! /#\s*cluster\.name\: elasticsearch/, "cluster.name: #{cluster_name}"

      # 2. Configure paths
      s.sub! "# path.data: /path/to/data", "path.data: #{var}/elasticsearch/"
      s.sub! "# path.logs: /path/to/logs", "path.logs: #{var}/log/elasticsearch/"
      s.sub! "# path.plugins: /path/to/plugins", "path.plugins: #{var}/lib/elasticsearch/plugins"

      # 3. Bind to loopback IP for laptops roaming different networks
      s.gsub! /#\s*network\.host\: [^\n]+/, "network.host: 127.0.0.1"
    end

    inreplace "#{bin}/elasticsearch.in.sh" do |s|
      # Configure ES_HOME
      s.sub!  /#\!\/bin\/sh\n/, "#!/bin/sh\n\nES_HOME=#{prefix}"
      # Configure ES_CLASSPATH paths to use libexec instead of lib
      s.gsub! /ES_HOME\/lib\//, "ES_HOME/libexec/"
    end

    inreplace "#{bin}/plugin" do |s|
      # Add the proper ES_CLASSPATH configuration
      s.sub!  /SCRIPT="\$0"/, %Q|SCRIPT="$0"\nES_CLASSPATH=#{libexec}|
      # Replace paths to use libexec instead of lib
      s.gsub! /\$ES_HOME\/lib\//, "$ES_CLASSPATH/"
    end
  end

  def caveats; <<-EOS.undent
    Data:    #{var}/elasticsearch/#{cluster_name}/
    Logs:    #{var}/log/elasticsearch/#{cluster_name}.log
    Plugins: #{var}/lib/elasticsearch/plugins/
    EOS
  end

  plist_options :manual => "elasticsearch -f -D es.config=#{HOMEBREW_PREFIX}/opt/elasticsearch/config/elasticsearch.yml"

  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>KeepAlive</key>
          <true/>
          <key>Label</key>
          <string>#{plist_name}</string>
          <key>ProgramArguments</key>
          <array>
            <string>#{HOMEBREW_PREFIX}/bin/elasticsearch</string>
            <string>-f</string>
            <string>-D es.config=#{prefix}/config/elasticsearch.yml</string>
          </array>
          <key>EnvironmentVariables</key>
          <dict>
            <key>ES_JAVA_OPTS</key>
            <string>-Xss200000</string>
          </dict>
          <key>RunAtLoad</key>
          <true/>
          <key>WorkingDirectory</key>
          <string>#{var}</string>
          <key>StandardErrorPath</key>
          <string>/dev/null</string>
          <key>StandardOutPath</key>
          <string>/dev/null</string>
        </dict>
      </plist>
    EOS
  end
end