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build.gradle
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build.gradle
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// 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
import org.gradle.api.JavaVersion
import java.nio.charset.StandardCharsets
buildscript {
repositories {
mavenCentral()
}
apply from: "$rootDir/gradle/dependencies.gradle"
dependencies {
// For Apache Rat plugin to ignore non-Git files
classpath "org.ajoberstar.grgit:grgit-core:$versions.grgit"
}
}
plugins {
id 'com.github.ben-manes.versions' version '0.46.0'
id 'idea'
id 'java-library'
id 'org.owasp.dependencycheck' version '8.2.1'
id 'org.nosphere.apache.rat' version "0.8.0"
id "io.swagger.core.v3.swagger-gradle-plugin" version "2.2.8"
id "com.github.spotbugs" version '5.0.13' apply false
id 'org.scoverage' version '7.0.1' apply false
id 'com.github.johnrengelman.shadow' version '8.1.1' apply false
id 'com.diffplug.spotless' version '6.14.0' apply false // 6.14.1 and newer require Java 11 at compile time, so we can't upgrade until AK 4.0
}
ext {
gradleVersion = versions.gradle
minJavaVersion = 8
buildVersionFileName = "kafka-version.properties"
defaultMaxHeapSize = "2g"
defaultJvmArgs = ["-Xss4m", "-XX:+UseParallelGC"]
// "JEP 403: Strongly Encapsulate JDK Internals" causes some tests to fail when they try
// to access internals (often via mocking libraries). We use `--add-opens` as a workaround
// for now and we'll fix it properly (where possible) via KAFKA-13275.
if (JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_16))
defaultJvmArgs.addAll(
"--add-opens=java.base/java.io=ALL-UNNAMED",
"--add-opens=java.base/java.lang=ALL-UNNAMED",
"--add-opens=java.base/java.nio=ALL-UNNAMED",
"--add-opens=java.base/java.nio.file=ALL-UNNAMED",
"--add-opens=java.base/java.util=ALL-UNNAMED",
"--add-opens=java.base/java.util.concurrent=ALL-UNNAMED",
"--add-opens=java.base/java.util.regex=ALL-UNNAMED",
"--add-opens=java.base/java.util.stream=ALL-UNNAMED",
"--add-opens=java.base/java.text=ALL-UNNAMED",
"--add-opens=java.base/java.time=ALL-UNNAMED",
"--add-opens=java.security.jgss/sun.security.krb5=ALL-UNNAMED"
)
maxTestForks = project.hasProperty('maxParallelForks') ? maxParallelForks.toInteger() : Runtime.runtime.availableProcessors()
maxScalacThreads = project.hasProperty('maxScalacThreads') ? maxScalacThreads.toInteger() :
Math.min(Runtime.runtime.availableProcessors(), 8)
userIgnoreFailures = project.hasProperty('ignoreFailures') ? ignoreFailures : false
userMaxTestRetries = project.hasProperty('maxTestRetries') ? maxTestRetries.toInteger() : 0
userMaxTestRetryFailures = project.hasProperty('maxTestRetryFailures') ? maxTestRetryFailures.toInteger() : 0
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 : ''
userShowStandardStreams = project.hasProperty("showStandardStreams") ? showStandardStreams : null
userTestLoggingEvents = project.hasProperty("testLoggingEvents") ? Arrays.asList(testLoggingEvents.split(",")) : null
userEnableTestCoverage = project.hasProperty("enableTestCoverage") ? enableTestCoverage : false
userKeepAliveModeString = project.hasProperty("keepAliveMode") ? keepAliveMode : "daemon"
userKeepAliveMode = KeepAliveMode.values().find(m -> m.name().toLowerCase().equals(userKeepAliveModeString))
if (userKeepAliveMode == null) {
def keepAliveValues = KeepAliveMode.values().collect(m -> m.name.toLowerCase())
throw new GradleException("Unexpected value for keepAliveMode property. Expected one of $keepAliveValues, but received: $userKeepAliveModeString")
}
// See README.md for details on this option and the reasoning for the default
userScalaOptimizerMode = project.hasProperty("scalaOptimizerMode") ? scalaOptimizerMode : "inline-kafka"
def scalaOptimizerValues = ["none", "method", "inline-kafka", "inline-scala"]
if (!scalaOptimizerValues.contains(userScalaOptimizerMode))
throw new GradleException("Unexpected value for scalaOptimizerMode property. Expected one of $scalaOptimizerValues, but received: $userScalaOptimizerMode")
generatedDocsDir = new File("${project.rootDir}/docs/generated")
commitId = determineCommitId()
}
allprojects {
repositories {
mavenCentral()
}
dependencyUpdates {
revision="release"
resolutionStrategy {
componentSelection { rules ->
rules.all { ComponentSelection selection ->
boolean rejected = ['snap', 'alpha', 'beta', 'rc', 'cr', 'm'].any { qualifier ->
selection.candidate.version ==~ /(?i).*[.-]${qualifier}[.\d-]*/
}
if (rejected) {
selection.reject('Release candidate')
}
}
}
}
}
configurations.all {
// zinc is the Scala incremental compiler, it has a configuration for its own dependencies
// that are unrelated to the project dependencies, we should not change them
if (name != "zinc") {
resolutionStrategy {
force(
// be explicit about the javassist dependency version instead of relying on the transitive version
libs.javassist,
// ensure we have a single version in the classpath despite transitive dependencies
libs.scalaLibrary,
libs.scalaReflect,
libs.jacksonAnnotations,
// be explicit about the Netty dependency version instead of relying on the version set by
// ZooKeeper (potentially older and containing CVEs)
libs.nettyHandler,
libs.nettyTransportNativeEpoll,
// be explicit about the reload4j version instead of relying on the transitive versions
libs.log4j
)
}
}
}
task printAllDependencies(type: DependencyReportTask) {}
}
def determineCommitId() {
def takeFromHash = 16
if (project.hasProperty('commitId')) {
commitId.take(takeFromHash)
} else if (file("$rootDir/.git/HEAD").exists()) {
def headRef = file("$rootDir/.git/HEAD").text
if (headRef.contains('ref: ')) {
headRef = headRef.replaceAll('ref: ', '').trim()
if (file("$rootDir/.git/$headRef").exists()) {
file("$rootDir/.git/$headRef").text.trim().take(takeFromHash)
}
} else {
headRef.trim().take(takeFromHash)
}
} else {
"unknown"
}
}
apply from: file('wrapper.gradle')
if (file('.git').exists()) {
rat {
dependsOn subprojects.collect {
it.tasks.matching {
it.name == "processMessages" || it.name == "processTestMessages"
}
}
verbose.set(true)
reportDir.set(project.file('build/rat'))
stylesheet.set(file('gradle/resources/rat-output-to-html.xsl'))
// 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(currentDir: project.getRootDir())
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/**',
'CONTRIBUTING.md',
'PULL_REQUEST_TEMPLATE.md',
'gradlew',
'gradlew.bat',
'gradle/wrapper/gradle-wrapper.properties',
'trogdor/README.md',
'**/README.md',
'**/id_rsa',
'**/id_rsa.pub',
'checkstyle/suppressions.xml',
'streams/quickstart/java/src/test/resources/projects/basic/goal.txt',
'streams/streams-scala/logs/*',
'licenses/*',
'**/generated/**',
'clients/src/test/resources/serializedData/*'
])
}
} else {
rat.enabled = false
}
println("Starting build with version $version (commit id ${commitId == null ? "null" : commitId.take(8)}) using Gradle $gradleVersion, Java ${JavaVersion.current()} and Scala ${versions.scala}")
println("Build properties: maxParallelForks=$maxTestForks, maxScalacThreads=$maxScalacThreads, maxTestRetries=$userMaxTestRetries")
subprojects {
// enable running :dependencies task recursively on all subprojects
// eg: ./gradlew allDeps
task allDeps(type: DependencyReportTask) {}
// enable running :dependencyInsight task recursively on all subprojects
// eg: ./gradlew allDepInsight --configuration runtime --dependency com.fasterxml.jackson.core:jackson-databind
task allDepInsight(type: DependencyInsightReportTask) {showingAllVariants = false} doLast {}
apply plugin: 'java-library'
apply plugin: 'checkstyle'
apply plugin: "com.github.spotbugs"
// We use the shadow plugin for the jmh-benchmarks module and the `-all` jar can get pretty large, so
// don't publish it
def shouldPublish = !project.name.equals('jmh-benchmarks')
if (shouldPublish) {
apply plugin: 'maven-publish'
apply plugin: 'signing'
// Add aliases for the task names used by the maven plugin for backwards compatibility
// The maven plugin was replaced by the maven-publish plugin in Gradle 7.0
tasks.register('install').configure { dependsOn(publishToMavenLocal) }
tasks.register('uploadArchives').configure { dependsOn(publish) }
}
// apply the eclipse plugin only to subprojects that hold code. 'connect' is just a folder.
if (!project.name.equals('connect')) {
apply plugin: 'eclipse'
fineTuneEclipseClasspathFile(eclipse, project)
}
java {
consistentResolution {
// resolve the compileClasspath and then "inject" the result of resolution as strict constraints into the runtimeClasspath
useCompileClasspathVersions()
}
}
tasks.withType(JavaCompile) {
options.encoding = 'UTF-8'
options.compilerArgs << "-Xlint:all"
// temporary exclusions until all the warnings are fixed
if (!project.path.startsWith(":connect"))
options.compilerArgs << "-Xlint:-rawtypes"
options.compilerArgs << "-Xlint:-serial"
options.compilerArgs << "-Xlint:-try"
options.compilerArgs << "-Werror"
// --release is the recommended way to select the target release, but it's only supported in Java 9 so we also
// set --source and --target via `sourceCompatibility` and `targetCompatibility` a couple of lines below
if (JavaVersion.current().isJava9Compatible())
options.release = minJavaVersion
// --source/--target 8 is deprecated in Java 20, suppress warning until Java 8 support is dropped in Kafka 4.0
if (JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_20))
options.compilerArgs << "-Xlint:-options"
}
// We should only set this if Java version is < 9 (--release is recommended for >= 9), but the Scala plugin for IntelliJ sets
// `-target` incorrectly if this is unset
sourceCompatibility = minJavaVersion
targetCompatibility = minJavaVersion
if (shouldPublish) {
publishing {
repositories {
// To test locally, invoke gradlew with `-PmavenUrl=file:///some/local/path`
maven {
url = mavenUrl
credentials {
username = mavenUsername
password = mavenPassword
}
}
}
publications {
mavenJava(MavenPublication) {
from components.java
afterEvaluate {
["srcJar", "javadocJar", "scaladocJar", "testJar", "testSrcJar"].forEach { taskName ->
def task = tasks.findByName(taskName)
if (task != null)
artifact task
}
artifactId = archivesBaseName
pom {
name = 'Apache Kafka'
url = 'https://kafka.apache.org'
licenses {
license {
name = 'The Apache License, Version 2.0'
url = 'http://www.apache.org/licenses/LICENSE-2.0.txt'
distribution = 'repo'
}
}
}
}
}
}
}
if (shouldSign) {
signing {
sign publishing.publications.mavenJava
}
}
}
// Remove the relevant project name once it's converted to JUnit 5
def shouldUseJUnit5 = !(["runtime"].contains(it.project.name))
def testLoggingEvents = ["passed", "skipped", "failed"]
def testShowStandardStreams = false
def testExceptionFormat = 'full'
// Gradle built-in logging only supports sending test output to stdout, which generates a lot
// of noise, especially for passing tests. We really only want output for failed tests. This
// hooks into the output and logs it (so we don't have to buffer it all in memory) and only
// saves the output for failing tests. Directory and filenames are such that you can, e.g.,
// create a Jenkins rule to collect failed test output.
def logTestStdout = {
def testId = { TestDescriptor descriptor ->
"${descriptor.className}.${descriptor.name}".toString()
}
def logFiles = new HashMap<String, File>()
def logStreams = new HashMap<String, FileOutputStream>()
beforeTest { TestDescriptor td ->
def tid = testId(td)
// truncate the file name if it's too long
def logFile = new File(
"${projectDir}/build/reports/testOutput/${tid.substring(0, Math.min(tid.size(),240))}.test.stdout"
)
logFile.parentFile.mkdirs()
logFiles.put(tid, logFile)
logStreams.put(tid, new FileOutputStream(logFile))
}
onOutput { TestDescriptor td, TestOutputEvent toe ->
def tid = testId(td)
// Some output can happen outside the context of a specific test (e.g. at the class level)
// and beforeTest/afterTest seems to not be invoked for these cases (and similarly, there's
// a TestDescriptor hierarchy that includes the thread executing the test, Gradle tasks,
// etc). We see some of these in practice and it seems like something buggy in the Gradle
// test runner since we see it *before* any tests and it is frequently not related to any
// code in the test (best guess is that it is tail output from last test). We won't have
// an output file for these, so simply ignore them. If they become critical for debugging,
// they can be seen with showStandardStreams.
if (td.name == td.className || td.className == null) {
// silently ignore output unrelated to specific test methods
return
} else if (logStreams.get(tid) == null) {
println "WARNING: unexpectedly got output for a test [${tid}]" +
" that we didn't previously see in the beforeTest hook." +
" Message for debugging: [" + toe.message + "]."
return
}
try {
logStreams.get(tid).write(toe.message.getBytes(StandardCharsets.UTF_8))
} catch (Exception e) {
println "ERROR: Failed to write output for test ${tid}"
e.printStackTrace()
}
}
afterTest { TestDescriptor td, TestResult tr ->
def tid = testId(td)
try {
logStreams.get(tid).close()
if (tr.resultType != TestResult.ResultType.FAILURE) {
logFiles.get(tid).delete()
} else {
def file = logFiles.get(tid)
println "${tid} failed, log available in ${file}"
}
} catch (Exception e) {
println "ERROR: Failed to close stdout file for ${tid}"
e.printStackTrace()
} finally {
logFiles.remove(tid)
logStreams.remove(tid)
}
}
}
// The suites are for running sets of tests in IDEs.
// Gradle will run each test class, so we exclude the suites to avoid redundantly running the tests twice.
def testsToExclude = ['**/*Suite.class']
// Exclude PowerMock tests when running with Java 16 or newer until a version of PowerMock that supports the relevant versions is released
// The relevant issues are https://github.com/powermock/powermock/issues/1094 and https://github.com/powermock/powermock/issues/1099
if (JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_16)) {
testsToExclude.addAll([
// connect tests
"**/DistributedHerderTest.*",
"**/KafkaConfigBackingStoreTest.*",
"**/KafkaBasedLogTest.*", "**/StandaloneHerderTest.*",
"**/WorkerSinkTaskTest.*", "**/WorkerSinkTaskThreadedTest.*"
])
}
test {
maxParallelForks = maxTestForks
ignoreFailures = userIgnoreFailures
maxHeapSize = defaultMaxHeapSize
jvmArgs = defaultJvmArgs
testLogging {
events = userTestLoggingEvents ?: testLoggingEvents
showStandardStreams = userShowStandardStreams ?: testShowStandardStreams
exceptionFormat = testExceptionFormat
displayGranularity = 0
}
logTestStdout.rehydrate(delegate, owner, this)()
exclude testsToExclude
if (shouldUseJUnit5)
useJUnitPlatform()
retry {
maxRetries = userMaxTestRetries
maxFailures = userMaxTestRetryFailures
}
}
task integrationTest(type: Test, dependsOn: compileJava) {
maxParallelForks = maxTestForks
ignoreFailures = userIgnoreFailures
// Increase heap size for integration tests
maxHeapSize = "2560m"
jvmArgs = defaultJvmArgs
testLogging {
events = userTestLoggingEvents ?: testLoggingEvents
showStandardStreams = userShowStandardStreams ?: testShowStandardStreams
exceptionFormat = testExceptionFormat
displayGranularity = 0
}
logTestStdout.rehydrate(delegate, owner, this)()
exclude testsToExclude
if (shouldUseJUnit5) {
if (project.name == 'streams') {
useJUnitPlatform {
includeTags "integration"
includeTags "org.apache.kafka.test.IntegrationTest"
// Both engines are needed to run JUnit 4 tests alongside JUnit 5 tests.
// junit-vintage (JUnit 4) can be removed once the JUnit 4 migration is complete.
includeEngines "junit-vintage", "junit-jupiter"
}
} else {
useJUnitPlatform {
includeTags "integration"
}
}
} else {
useJUnit {
includeCategories 'org.apache.kafka.test.IntegrationTest'
}
}
retry {
maxRetries = userMaxTestRetries
maxFailures = userMaxTestRetryFailures
}
}
task unitTest(type: Test, dependsOn: compileJava) {
maxParallelForks = maxTestForks
ignoreFailures = userIgnoreFailures
maxHeapSize = defaultMaxHeapSize
jvmArgs = defaultJvmArgs
testLogging {
events = userTestLoggingEvents ?: testLoggingEvents
showStandardStreams = userShowStandardStreams ?: testShowStandardStreams
exceptionFormat = testExceptionFormat
displayGranularity = 0
}
logTestStdout.rehydrate(delegate, owner, this)()
exclude testsToExclude
if (shouldUseJUnit5) {
if (project.name == 'streams') {
useJUnitPlatform {
excludeTags "integration"
excludeTags "org.apache.kafka.test.IntegrationTest"
// Both engines are needed to run JUnit 4 tests alongside JUnit 5 tests.
// junit-vintage (JUnit 4) can be removed once the JUnit 4 migration is complete.
includeEngines "junit-vintage", "junit-jupiter"
}
} else {
useJUnitPlatform {
excludeTags "integration"
}
}
} else {
useJUnit {
excludeCategories 'org.apache.kafka.test.IntegrationTest'
}
}
retry {
maxRetries = userMaxTestRetries
maxFailures = userMaxTestRetryFailures
}
}
// remove test output from all test types
tasks.withType(Test).all { t ->
cleanTest {
delete t.reports.junitXml.outputLocation
delete t.reports.html.outputLocation
}
}
jar {
from "$rootDir/LICENSE"
from "$rootDir/NOTICE"
}
task srcJar(type: Jar) {
archiveClassifier = 'sources'
from "$rootDir/LICENSE"
from "$rootDir/NOTICE"
from sourceSets.main.allSource
}
task javadocJar(type: Jar, dependsOn: javadoc) {
archiveClassifier = 'javadoc'
from "$rootDir/LICENSE"
from "$rootDir/NOTICE"
from javadoc.destinationDir
}
task docsJar(dependsOn: javadocJar)
javadoc {
options.charSet = 'UTF-8'
options.docEncoding = 'UTF-8'
options.encoding = 'UTF-8'
options.memberLevel = JavadocMemberLevel.PUBLIC // Document only public members/API
// Turn off doclint for now, see https://blog.joda.org/2014/02/turning-off-doclint-in-jdk-8-javadoc.html for rationale
options.addStringOption('Xdoclint:none', '-quiet')
// The URL structure was changed to include the locale after Java 8
if (JavaVersion.current().isJava11Compatible())
options.links "https://docs.oracle.com/en/java/javase/${JavaVersion.current().majorVersion}/docs/api/"
else
options.links "https://docs.oracle.com/javase/8/docs/api/"
}
task systemTestLibs(dependsOn: jar)
if (!sourceSets.test.allSource.isEmpty()) {
task testJar(type: Jar) {
archiveClassifier = 'test'
from "$rootDir/LICENSE"
from "$rootDir/NOTICE"
from sourceSets.test.output
}
task testSrcJar(type: Jar, dependsOn: testJar) {
archiveClassifier = 'test-sources'
from "$rootDir/LICENSE"
from "$rootDir/NOTICE"
from sourceSets.test.allSource
}
}
plugins.withType(ScalaPlugin) {
scala {
zincVersion = versions.zinc
}
task scaladocJar(type:Jar, dependsOn: scaladoc) {
archiveClassifier = 'scaladoc'
from "$rootDir/LICENSE"
from "$rootDir/NOTICE"
from scaladoc.destinationDir
}
//documentation task should also trigger building scala doc jar
docsJar.dependsOn scaladocJar
}
tasks.withType(ScalaCompile) {
scalaCompileOptions.keepAliveMode = userKeepAliveMode
scalaCompileOptions.additionalParameters = [
"-deprecation",
"-unchecked",
"-encoding", "utf8",
"-Xlog-reflective-calls",
"-feature",
"-language:postfixOps",
"-language:implicitConversions",
"-language:existentials",
"-Ybackend-parallelism", maxScalacThreads.toString(),
"-Xlint:constant",
"-Xlint:delayedinit-select",
"-Xlint:doc-detached",
"-Xlint:missing-interpolator",
"-Xlint:nullary-unit",
"-Xlint:option-implicit",
"-Xlint:package-object-classes",
"-Xlint:poly-implicit-overload",
"-Xlint:private-shadow",
"-Xlint:stars-align",
"-Xlint:type-parameter-shadow",
"-Xlint:unused"
]
// See README.md for details on this option and the meaning of each value
if (userScalaOptimizerMode.equals("method"))
scalaCompileOptions.additionalParameters += ["-opt:l:method"]
else if (userScalaOptimizerMode.startsWith("inline-")) {
List<String> inlineFrom = ["-opt-inline-from:org.apache.kafka.**"]
if (project.name.equals('core'))
inlineFrom.add("-opt-inline-from:kafka.**")
if (userScalaOptimizerMode.equals("inline-scala"))
inlineFrom.add("-opt-inline-from:scala.**")
scalaCompileOptions.additionalParameters += ["-opt:l:inline"]
scalaCompileOptions.additionalParameters += inlineFrom
}
if (versions.baseScala != '2.12') {
scalaCompileOptions.additionalParameters += ["-opt-warnings", "-Xlint:strict-unsealed-patmat"]
// Scala 2.13.2 introduces compiler warnings suppression, which is a pre-requisite for -Xfatal-warnings
scalaCompileOptions.additionalParameters += ["-Xfatal-warnings"]
}
// these options are valid for Scala versions < 2.13 only
// Scala 2.13 removes them, see https://github.com/scala/scala/pull/6502 and https://github.com/scala/scala/pull/5969
if (versions.baseScala == '2.12') {
scalaCompileOptions.additionalParameters += [
"-Xlint:by-name-right-associative",
"-Xlint:nullary-override",
"-Xlint:unsound-match"
]
}
// Scalac 2.12 `-release` requires Java 9 or higher, but Scala 2.13 doesn't have that restriction
if (versions.baseScala == "2.13" || JavaVersion.current().isJava9Compatible())
scalaCompileOptions.additionalParameters += ["-release", String.valueOf(minJavaVersion)]
configure(scalaCompileOptions.forkOptions) {
memoryMaximumSize = defaultMaxHeapSize
jvmArgs = defaultJvmArgs
}
}
checkstyle {
configFile = new File(rootDir, "checkstyle/checkstyle.xml")
configProperties = checkstyleConfigProperties("import-control.xml")
toolVersion = versions.checkstyle
}
configure(checkstyleMain) {
group = 'Verification'
description = 'Run checkstyle on all main Java sources'
}
configure(checkstyleTest) {
group = 'Verification'
description = 'Run checkstyle on all test Java sources'
}
test.dependsOn('checkstyleMain', 'checkstyleTest')
spotbugs {
toolVersion = versions.spotbugs
excludeFilter = file("$rootDir/gradle/spotbugs-exclude.xml")
ignoreFailures = false
}
test.dependsOn('spotbugsMain')
tasks.withType(com.github.spotbugs.snom.SpotBugsTask) {
reports {
// Continue supporting `xmlFindBugsReport` for compatibility
xml.enabled(project.hasProperty('xmlSpotBugsReport') || project.hasProperty('xmlFindBugsReport'))
html.enabled(!project.hasProperty('xmlSpotBugsReport') && !project.hasProperty('xmlFindBugsReport'))
}
maxHeapSize = defaultMaxHeapSize
jvmArgs = defaultJvmArgs
}
// Ignore core since its a scala project
if (it.path != ':core') {
if (userEnableTestCoverage) {
apply plugin: "jacoco"
jacoco {
toolVersion = versions.jacoco
}
// NOTE: Jacoco Gradle plugin does not support "offline instrumentation" this means that classes mocked by PowerMock
// may report 0 coverage, since the source was modified after initial instrumentation.
// See https://github.com/jacoco/jacoco/issues/51
jacocoTestReport {
dependsOn tasks.test
sourceSets sourceSets.main
reports {
html.enabled = true
xml.enabled = true
csv.enabled = false
}
}
}
}
if (userEnableTestCoverage) {
def coverageGen = it.path == ':core' ? 'reportScoverage' : 'jacocoTestReport'
task reportCoverage(dependsOn: [coverageGen])
}
}
gradle.taskGraph.whenReady { taskGraph ->
taskGraph.getAllTasks().findAll { it.name.contains('spotbugsScoverage') || it.name.contains('spotbugsTest') }.each { task ->
task.enabled = false
}
}
def fineTuneEclipseClasspathFile(eclipse, project) {
eclipse.classpath.file {
beforeMerged { cp ->
cp.entries.clear()
// for the core project add the directories defined under test/scala as separate source directories
if (project.name.equals('core')) {
cp.entries.add(new org.gradle.plugins.ide.eclipse.model.SourceFolder("src/test/scala/integration", null))
cp.entries.add(new org.gradle.plugins.ide.eclipse.model.SourceFolder("src/test/scala/other", null))
cp.entries.add(new org.gradle.plugins.ide.eclipse.model.SourceFolder("src/test/scala/unit", null))
}
}
whenMerged { cp ->
// for the core project exclude the separate sub-directories defined under test/scala. These are added as source dirs above
if (project.name.equals('core')) {
cp.entries.findAll { it.kind == "src" && it.path.equals("src/test/scala") }*.excludes = ["integration/", "other/", "unit/"]
}
/*
* Set all eclipse build output to go to 'build_eclipse' directory. This is to ensure that gradle and eclipse use different
* build output directories, and also avoid using the eclpise default of 'bin' which clashes with some of our script directories.
* https://discuss.gradle.org/t/eclipse-generated-files-should-be-put-in-the-same-place-as-the-gradle-generated-files/6986/2
*/
cp.entries.findAll { it.kind == "output" }*.path = "build_eclipse"
/*
* Some projects have explicitly added test output dependencies. These are required for the gradle build but not required
* in Eclipse since the dependent projects are added as dependencies. So clean up these from the generated classpath.
*/
cp.entries.removeAll { it.kind == "lib" && it.path.matches(".*/build/(classes|resources)/test") }
}
}
}
def checkstyleConfigProperties(configFileName) {
[importControlFile: "$rootDir/checkstyle/$configFileName",
suppressionsFile: "$rootDir/checkstyle/suppressions.xml",
headerFile: "$rootDir/checkstyle/java.header"]
}
// Aggregates all jacoco results into the root project directory
if (userEnableTestCoverage) {
task jacocoRootReport(type: org.gradle.testing.jacoco.tasks.JacocoReport) {
def javaProjects = subprojects.findAll { it.path != ':core' }
description = 'Generates an aggregate report from all subprojects'
dependsOn(javaProjects.test)
additionalSourceDirs.from = javaProjects.sourceSets.main.allSource.srcDirs
sourceDirectories.from = javaProjects.sourceSets.main.allSource.srcDirs
classDirectories.from = javaProjects.sourceSets.main.output
executionData.from = javaProjects.jacocoTestReport.executionData
reports {
html.enabled = true
xml.enabled = true
}
// workaround to ignore projects that don't have any tests at all
onlyIf = { true }
doFirst {
executionData = files(executionData.findAll { it.exists() })
}
}
}
if (userEnableTestCoverage) {
task reportCoverage(dependsOn: ['jacocoRootReport', 'core:reportCoverage'])
}
def connectPkgs = [
'connect:api',
'connect:basic-auth-extension',
'connect:file',
'connect:json',
'connect:runtime',
'connect:transforms',
'connect:mirror',
'connect:mirror-client'
]
tasks.create(name: "jarConnect", dependsOn: connectPkgs.collect { it + ":jar" }) {}
tasks.create(name: "testConnect", dependsOn: connectPkgs.collect { it + ":test" }) {}
project(':core') {
apply plugin: 'scala'
// scaladoc generation is configured at the sub-module level with an artifacts
// block (cf. see streams-scala). If scaladoc generation is invoked explicitly
// for the `core` module, this ensures the generated jar doesn't include scaladoc
// files since the `core` module doesn't include public APIs.
scaladoc {
enabled = false
}
if (userEnableTestCoverage)
apply plugin: "org.scoverage"
archivesBaseName = "kafka_${versions.baseScala}"
configurations {
generator
}
dependencies {
// `core` is often used in users' tests, define the following dependencies as `api` for backwards compatibility
// even though the `core` module doesn't expose any public API
api project(':clients')
api libs.scalaLibrary
implementation project(':server-common')
implementation project(':group-coordinator')
implementation project(':metadata')
implementation project(':storage:api')
implementation project(':tools:tools-api')
implementation project(':raft')
implementation project(':storage')
implementation libs.argparse4j
implementation libs.commonsValidator
implementation libs.jacksonDatabind
implementation libs.jacksonModuleScala
implementation libs.jacksonDataformatCsv
implementation libs.jacksonJDK8Datatypes
implementation libs.joptSimple
implementation libs.jose4j
implementation libs.metrics
implementation libs.scalaCollectionCompat
implementation libs.scalaJava8Compat
// only needed transitively, but set it explicitly to ensure it has the same version as scala-library
implementation libs.scalaReflect
implementation libs.scalaLogging
implementation libs.slf4jApi
implementation(libs.zookeeper) {
// Dropwizard Metrics are required by ZooKeeper as of v3.6.0,
// but the library should *not* be used in Kafka code
implementation libs.dropwizardMetrics
exclude module: 'slf4j-log4j12'
exclude module: 'log4j'
}
// ZooKeeperMain depends on commons-cli but declares the dependency as `provided`
implementation libs.commonsCli
compileOnly libs.log4j
testImplementation project(':clients').sourceSets.test.output
testImplementation project(':group-coordinator').sourceSets.test.output
testImplementation project(':metadata').sourceSets.test.output
testImplementation project(':raft').sourceSets.test.output
testImplementation project(':server-common').sourceSets.test.output
testImplementation project(':storage:api').sourceSets.test.output
testImplementation libs.bcpkix
testImplementation libs.mockitoCore
testImplementation libs.mockitoInline // supports mocking static methods, final classes, etc.
testImplementation(libs.apacheda) {
exclude group: 'xml-apis', module: 'xml-apis'
// `mina-core` is a transitive dependency for `apacheds` and `apacheda`.
// It is safer to use from `apacheds` since that is the implementation.
exclude module: 'mina-core'
}
testImplementation libs.apachedsCoreApi
testImplementation libs.apachedsInterceptorKerberos
testImplementation libs.apachedsProtocolShared
testImplementation libs.apachedsProtocolKerberos
testImplementation libs.apachedsProtocolLdap
testImplementation libs.apachedsLdifPartition
testImplementation libs.apachedsMavibotPartition
testImplementation libs.apachedsJdbmPartition
testImplementation libs.junitJupiter
testImplementation libs.slf4jlog4j
testImplementation(libs.jfreechart) {
exclude group: 'junit', module: 'junit'
}
testImplementation libs.caffeine
generator project(':generator')
}
if (userEnableTestCoverage) {
scoverage {
scoverageVersion = versions.scoverage
reportDir = file("${rootProject.buildDir}/scoverage")
highlighting = false
minimumRate = 0.0
}
}
configurations {
// manually excludes some unnecessary dependencies
implementation.exclude module: 'javax'
implementation.exclude module: 'jline'
implementation.exclude module: 'jms'
implementation.exclude module: 'jmxri'
implementation.exclude module: 'jmxtools'
implementation.exclude module: 'mail'
// To prevent a UniqueResourceException due the same resource existing in both
// org.apache.directory.api/api-all and org.apache.directory.api/api-ldap-schema-data
testImplementation.exclude module: 'api-ldap-schema-data'
}
tasks.create(name: "copyDependantLibs", type: Copy) {
from (configurations.testRuntimeClasspath) {
include('slf4j-log4j12*')
include('reload4j*jar')
}
from (configurations.runtimeClasspath) {
exclude('kafka-clients*')
}
into "$buildDir/dependant-libs-${versions.scala}"
duplicatesStrategy 'exclude'
}
task processMessages(type:JavaExec) {
mainClass = "org.apache.kafka.message.MessageGenerator"
classpath = configurations.generator
args = [ "-p", "kafka.internals.generated",
"-o", "src/generated/java/kafka/internals/generated",
"-i", "src/main/resources/common/message",
"-m", "MessageDataGenerator"
]
inputs.dir("src/main/resources/common/message")
.withPropertyName("messages")
.withPathSensitivity(PathSensitivity.RELATIVE)
outputs.cacheIf { true }
outputs.dir("src/generated/java/kafka/internals/generated")
}
compileJava.dependsOn 'processMessages'
srcJar.dependsOn 'processMessages'
task genProtocolErrorDocs(type: JavaExec) {
classpath = sourceSets.main.runtimeClasspath
mainClass = 'org.apache.kafka.common.protocol.Errors'
if( !generatedDocsDir.exists() ) { generatedDocsDir.mkdirs() }
standardOutput = new File(generatedDocsDir, "protocol_errors.html").newOutputStream()
}
task genProtocolTypesDocs(type: JavaExec) {
classpath = sourceSets.main.runtimeClasspath
mainClass = 'org.apache.kafka.common.protocol.types.Type'
if( !generatedDocsDir.exists() ) { generatedDocsDir.mkdirs() }
standardOutput = new File(generatedDocsDir, "protocol_types.html").newOutputStream()
}