build.gradle

// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License.  You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import org.ajoberstar.grgit.Grgit

buildscript {
  repositories {
    mavenCentral()
  }
  apply from: file('gradle/buildscript.gradle'), to: buildscript

  dependencies {
    // For Apache Rat plugin to ignore non-Git files, need ancient version for Java 6 compatibility
    classpath group: 'org.ajoberstar', name: 'grgit', version: '0.2.3'
  }
}

def slf4jlog4j='org.slf4j:slf4j-log4j12:1.7.6'

allprojects {
  apply plugin: 'idea'
  repositories {
    mavenCentral()
  }
}

ext {
    gradleVersion = "2.4"

    skipSigning = project.hasProperty('skipSigning') && skipSigning.toBoolean()
    shouldSign = !skipSigning && !version.endsWith("SNAPSHOT")

    mavenUrl = project.hasProperty('mavenUrl') ? project.mavenUrl : ''
    mavenUsername = project.hasProperty('mavenUsername') ? project.mavenUsername : ''
    mavenPassword = project.hasProperty('mavenPassword') ? project.mavenPassword : ''
}

apply from: file('wrapper.gradle')
apply from: file('scala.gradle')
apply from: file('gradle/rat.gradle')

rat {
  // Exclude everything under the directory that git should be ignoring via .gitignore or that isn't checked in. These
  // restrict us only to files that are checked in or are staged.
  def repo = Grgit.open(project.file('.'))
  excludes = new ArrayList<String>(repo.clean(ignore: false, directories: true, dryRun: true))
  // And some of the files that we have checked in should also be excluded from this check
  excludes.addAll([
    '**/.git/**',
    'build/**',
    'gradlew',
    'gradlew.bat',
    '**/README.md',
    '.reviewboardrc',
    'system_test/**',
  ])
}

subprojects {
  apply plugin: 'java'
  apply plugin: 'eclipse'
  apply plugin: 'maven'
  apply plugin: 'signing'

  sourceCompatibility = 1.7

  uploadArchives {
    repositories {
      signing {
          required { shouldSign }
          sign configurations.archives

          // To test locally, replace mavenUrl in ~/.gradle/gradle.properties to file://localhost/tmp/myRepo/
          mavenDeployer {
              beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
              repository(url: "${mavenUrl}") {
                  authentication(userName: "${mavenUsername}", password: "${mavenPassword}")
              }
              afterEvaluate {
                  pom.artifactId = "${archivesBaseName}"
                  pom.project {
                      name 'Apache Kafka'
                      packaging 'jar'
                      url 'http://kafka.apache.org'
                      licenses {
                          license {
                              name 'The Apache Software License, Version 2.0'
                              url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
                              distribution 'repo'
                          }
                      }
                  }
              }
          }
      }
    }
  }

  jar {
    from '../LICENSE'
    from '../NOTICE'
  }

  task srcJar(type:Jar) {
    classifier = 'sources'
    from '../LICENSE'
    from '../NOTICE'
    from sourceSets.main.java
  }

  task javadocJar(type: Jar, dependsOn: javadoc) {
    classifier 'javadoc'
    from '../LICENSE'
    from '../NOTICE'
    from javadoc.destinationDir
  }

  task docsJar(dependsOn: javadocJar)

  artifacts {
    archives srcJar
    archives javadocJar
  }

  plugins.withType(ScalaPlugin) {
    //source jar should also contain scala source:
    srcJar.from sourceSets.main.scala

    task scaladocJar(type:Jar) {
      classifier = 'scaladoc'
      from '../LICENSE'
      from '../NOTICE'
      from scaladoc
    }

    //documentation task should also trigger building scala doc jar
    docsJar.dependsOn scaladocJar

    artifacts {
      archives scaladocJar
    }
  }

  tasks.withType(ScalaCompile) {
    scalaCompileOptions.useAnt = false

    configure(scalaCompileOptions.forkOptions) {
      memoryMaximumSize = '1g'
      jvmArgs = ['-XX:MaxPermSize=512m']
    }
  }
}

for ( sv in ['2_9_1', '2_9_2', '2_10_5', '2_11_7'] ) {
  String svInDot = sv.replaceAll( "_", ".")

  tasks.create(name: "jar_core_${sv}", type: GradleBuild) {
    buildFile = './build.gradle'
    tasks = ['core:jar']
    startParameter.projectProperties = [scalaVersion: "${svInDot}"]
  }

  tasks.create(name: "test_core_${sv}", type: GradleBuild) {
    buildFile = './build.gradle'
    tasks = ['core:test']
    startParameter.projectProperties = [scalaVersion: "${svInDot}"]
  }

  tasks.create(name: "srcJar_${sv}", type: GradleBuild) {
    buildFile = './build.gradle'
    tasks = ['core:srcJar']
    startParameter.projectProperties = [scalaVersion: "${svInDot}"]
  }

  tasks.create(name: "docsJar_${sv}", type: GradleBuild) {
    buildFile = './build.gradle'
    tasks = ['core:docsJar']
    startParameter.projectProperties = [scalaVersion: "${svInDot}"]
  }

  tasks.create(name: "releaseTarGz_${sv}", type: GradleBuild) {
    buildFile = './build.gradle'
    tasks = ['releaseTarGz']
    startParameter.projectProperties = [scalaVersion: "${svInDot}"]
  }

  tasks.create(name: "uploadCoreArchives_${sv}", type: GradleBuild) {
    buildFile = './build.gradle'
    tasks = ['core:uploadArchives']
    startParameter.projectProperties = [scalaVersion: "${svInDot}"]
  }
}

tasks.create(name: "jarAll", dependsOn: ['jar_core_2_9_1', 'jar_core_2_9_2', 'jar_core_2_10_5', 'jar_core_2_11_7', 'clients:jar', 'examples:jar', 'contrib:hadoop-consumer:jar', 'contrib:hadoop-producer:jar', 'log4j-appender:jar']) {
}

tasks.create(name: "srcJarAll", dependsOn: ['srcJar_2_9_1', 'srcJar_2_9_2', 'srcJar_2_10_5', 'srcJar_2_11_7', 'clients:srcJar', 'examples:srcJar', 'contrib:hadoop-consumer:srcJar', 'contrib:hadoop-producer:srcJar', 'log4j-appender:srcJar']) { }

tasks.create(name: "docsJarAll", dependsOn: ['docsJar_2_9_1', 'docsJar_2_9_2', 'docsJar_2_10_5', 'docsJar_2_11_7', 'clients:docsJar', 'examples:docsJar', 'contrib:hadoop-consumer:docsJar', 'contrib:hadoop-producer:docsJar', 'log4j-appender:docsJar']) { }

tasks.create(name: "testAll", dependsOn: ['test_core_2_9_1', 'test_core_2_9_2', 'test_core_2_10_5', 'test_core_2_11_7', 'clients:test', 'log4j-appender:test']) {
}

tasks.create(name: "releaseTarGzAll", dependsOn: ['releaseTarGz_2_9_1', 'releaseTarGz_2_9_2', 'releaseTarGz_2_10_5', 'releaseTarGz_2_11_7']) {
}

tasks.create(name: "uploadArchivesAll", dependsOn: ['uploadCoreArchives_2_9_1', 'uploadCoreArchives_2_9_2', 'uploadCoreArchives_2_10_5', 'uploadCoreArchives_2_11_7', 'clients:uploadArchives', 'examples:uploadArchives', 'contrib:hadoop-consumer:uploadArchives', 'contrib:hadoop-producer:uploadArchives', 'log4j-appender:uploadArchives']) {
}

project(':core') {
  println "Building project 'core' with Scala version $scalaVersion"

  apply plugin: 'scala'
  archivesBaseName = "kafka_${baseScalaVersion}"

  dependencies {
    compile project(':clients')
    compile project(':log4j-appender')
    compile "org.scala-lang:scala-library:$scalaVersion"
    compile 'org.apache.zookeeper:zookeeper:3.4.6'
    compile 'com.101tec:zkclient:0.5'
    compile 'com.yammer.metrics:metrics-core:2.2.0'
    compile 'net.sf.jopt-simple:jopt-simple:3.2'
    if (scalaVersion.startsWith('2.11')) {
      compile 'org.scala-lang.modules:scala-xml_2.11:1.0.4'
      compile 'org.scala-lang.modules:scala-parser-combinators_2.11:1.0.4'
    }

    testCompile 'junit:junit:4.6'
    testCompile 'org.easymock:easymock:3.0'
    testCompile 'org.objenesis:objenesis:1.2'
    if (scalaVersion.startsWith('2.9'))
      testCompile "org.scalatest:scalatest_$scalaVersion:1.9.1"
    else
      testCompile "org.scalatest:scalatest_$baseScalaVersion:2.2.5"

    testRuntime "$slf4jlog4j"

    zinc 'com.typesafe.zinc:zinc:0.3.7'
  }

  configurations {
    // manually excludes some unnecessary dependencies
    compile.exclude module: 'javax'
    compile.exclude module: 'jline'
    compile.exclude module: 'jms'
    compile.exclude module: 'jmxri'
    compile.exclude module: 'jmxtools'
    compile.exclude module: 'mail'
    compile.exclude module: 'netty'
  }

  tasks.create(name: "copyDependantLibs", type: Copy) {
    from (configurations.testRuntime) {
      include('slf4j-log4j12*')
    }
    from (configurations.runtime) {
      exclude('kafka-clients*')
    }
    into "$buildDir/dependant-libs-${scalaVersion}"
  }

  tasks.create(name: "releaseTarGz", dependsOn: configurations.archives.artifacts, type: Tar) {
    into "kafka_${baseScalaVersion}-${version}"
    compression = Compression.GZIP
    from(project.file("../bin")) { into "bin/" }
    from(project.file("../config")) { into "config/" }
    from '../LICENSE'
    from '../NOTICE'
    from(configurations.runtime) { into("libs/") }
    from(configurations.archives.artifacts.files) { into("libs/") }
  }

  jar {
    dependsOn 'copyDependantLibs'
  }

  jar.manifest {
    attributes(
      'Version': "${version}"
    )
  }

  task testJar(type: Jar) {
    classifier = 'test'
    from sourceSets.test.output
  }

  test {
    testLogging {
        events "passed", "skipped", "failed"
        exceptionFormat = 'full'
    }
  }

  artifacts {
    archives testJar
  }
}

project(':contrib:hadoop-consumer') {
  archivesBaseName = "kafka-hadoop-consumer"

  dependencies {
    compile project(':core')
    compile "org.apache.avro:avro:1.4.0"
    compile "org.apache.pig:pig:0.8.0"
    compile "commons-logging:commons-logging:1.0.4"
    compile "org.codehaus.jackson:jackson-core-asl:1.5.5"
    compile "org.codehaus.jackson:jackson-mapper-asl:1.5.5"
    compile "org.apache.hadoop:hadoop-core:0.20.2"
  }

  configurations {
    // manually excludes some unnecessary dependencies
    compile.exclude module: 'javax'
    compile.exclude module: 'jms'
    compile.exclude module: 'jmxri'
    compile.exclude module: 'jmxtools'
    compile.exclude module: 'mail'
    compile.exclude module: 'netty'
  }
}

project(':contrib:hadoop-producer') {
  archivesBaseName = "kafka-hadoop-producer"

  dependencies {
    compile project(':core')
    compile("org.apache.avro:avro:1.4.0") { force = true }
    compile "org.apache.pig:pig:0.8.0"
    compile "commons-logging:commons-logging:1.0.4"
    compile "org.codehaus.jackson:jackson-core-asl:1.5.5"
    compile "org.codehaus.jackson:jackson-mapper-asl:1.5.5"
    compile "org.apache.hadoop:hadoop-core:0.20.2"
    compile "org.apache.pig:piggybank:0.12.0"
  }

  configurations {
    // manually excludes some unnecessary dependencies
    compile.exclude module: 'javax'
    compile.exclude module: 'jms'
    compile.exclude module: 'jmxri'
    compile.exclude module: 'jmxtools'
    compile.exclude module: 'mail'
    compile.exclude module: 'netty'
  }
}

project(':examples') {
  archivesBaseName = "kafka-examples"

  dependencies {
    compile project(':core')
  }

}

project(':clients') {
  apply plugin: 'checkstyle'
  archivesBaseName = "kafka-clients"

  dependencies {
    compile "org.slf4j:slf4j-api:1.7.6"
    compile 'org.xerial.snappy:snappy-java:1.1.1.7'
    compile 'net.jpountz.lz4:lz4:1.2.0'

    testCompile 'junit:junit:4.6'
    testRuntime "$slf4jlog4j"
  }

  task testJar(type: Jar) {
    classifier = 'test'
    from sourceSets.test.output
  }

  test {
    testLogging {
        events "passed", "skipped", "failed"
        exceptionFormat = 'full'
    }
  }

  javadoc {
    include "**/org/apache/kafka/clients/consumer/*"
    include "**/org/apache/kafka/clients/producer/*"
    include "**/org/apache/kafka/common/*"
    include "**/org/apache/kafka/common/errors/*"
    include "**/org/apache/kafka/common/serialization/*"
  }

  artifacts {
    archives testJar
  }

  configurations {
    archives.extendsFrom (testCompile)
  }

  checkstyle {
     configFile = new File(rootDir, "checkstyle/checkstyle.xml")
  }
  test.dependsOn('checkstyleMain', 'checkstyleTest')
}

project(':log4j-appender') {
  apply plugin: 'checkstyle'
  archivesBaseName = "kafka-log4j-appender"

  dependencies {
    compile project(':clients')
    compile "$slf4jlog4j"

    testCompile 'junit:junit:4.6'
    testCompile project(path: ':clients', configuration: 'archives')
  }

  task testJar(type: Jar) {
    classifier = 'test'
    from sourceSets.test.output
  }

  test {
    testLogging {
        events "passed", "skipped", "failed"
        exceptionFormat = 'full'
    }
  }

  javadoc {
    include "**/org/apache/kafka/log4jappender/*"
  }

  checkstyle {
     configFile = new File(rootDir, "checkstyle/checkstyle.xml")
  }
  test.dependsOn('checkstyleMain', 'checkstyleTest')
}