build.gradle

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. 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.
 */

buildscript {
    ext {
        snakeYamlVersion = '2.2'
        shadowGradlePluginVersion = '8.1.1'
    }

    repositories {
        mavenCentral()
        maven {
            url 'https://plugins.gradle.org/m2/'
        }
    }
    dependencies {
        classpath "org.yaml:snakeyaml:${snakeYamlVersion}"
    }
}

plugins {
    id "de.undercouch.download" version "4.0.4"
    id "com.dorongold.task-tree" version "2.1.0"
}

apply plugin: 'de.undercouch.download'
apply from: "rubyUtils.gradle"

import org.yaml.snakeyaml.Yaml
import de.undercouch.gradle.tasks.download.Download
import groovy.json.JsonSlurper
import org.logstash.gradle.tooling.ListProjectDependencies
import org.logstash.gradle.tooling.ExtractBundledJdkVersion
import org.logstash.gradle.tooling.SignAliasDefinitions
import org.logstash.gradle.tooling.ToolingUtils
import org.logstash.gradle.tooling.SnapshotArtifactURLs

allprojects {
  group = 'org.logstash'

  apply plugin: 'java'
  apply plugin: 'idea'
  apply plugin: 'java-library'

  java {
      sourceCompatibility = JavaVersion.VERSION_11
      targetCompatibility = JavaVersion.VERSION_11
  }

  tasks.withType(JavaCompile).configureEach {
      options.compilerArgs.add("-Xlint:all")
      options.compilerArgs.add("-Xlint:-processing")
      options.compilerArgs.add("-Werror")
  }

  tasks.withType(Javadoc).configureEach {
      if (JavaVersion.current().compareTo(JavaVersion.VERSION_14) > 0) {
          // with JDK 15 the -Xwerror undocumented feature becomes official with switch -Werror
          options.addBooleanOption("Werror", true)
      } else {
          options.addBooleanOption("Xwerror", true)
      }
      options.addBooleanOption("Xdoclint:all,-missing", true)
      if (JavaVersion.current().compareTo(JavaVersion.VERSION_1_9) > 0) {
          options.addBooleanOption("html5", true)
      }
  }

  tasks.withType(Copy).configureEach {
      duplicatesStrategy = DuplicatesStrategy.EXCLUDE
  }

  clean {
      delete "${projectDir}/out/"
  }

  tasks.withType(Test) {
    // Add Exports to enable tests to run in JDK17
    jvmArgs = [
      "--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED",
      "--add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED",
      "--add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED",
      "--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED",
      "--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED",
      "--add-opens=java.base/java.lang=ALL-UNNAMED",
      "--add-opens=java.base/java.util=ALL-UNNAMED"
    ]
    maxHeapSize = "2g"
    //https://stackoverflow.com/questions/3963708/gradle-how-to-display-test-results-in-the-console-in-real-time
    testLogging {
      // set options for log level LIFECYCLE
      events "passed", "skipped", "failed", "standardOut"
      showExceptions true
      exceptionFormat "full"
      showCauses true
      showStackTraces true
      enableAssertions false

      // set options for log level DEBUG and INFO
      debug {
        events "started", "passed", "skipped", "failed", "standardOut", "standardError"
        exceptionFormat "full"
      }
      info.events = debug.events
      info.exceptionFormat = debug.exceptionFormat

      afterSuite { desc, result ->
        if (!desc.parent) { // will match the outermost suite
          def output = "Results: ${result.resultType} (${result.testCount} tests, ${result.successfulTestCount} successes, ${result.failedTestCount} failures, ${result.skippedTestCount} skipped)"
          def startItem = '|  ', endItem = '  |'
          def repeatLength = startItem.length() + output.length() + endItem.length()
          println('\n' + ('-' * repeatLength) + '\n' + startItem + output + endItem + '\n' + ('-' * repeatLength))
        }
      }
    }
  }
}

subprojects {
    repositories {
        mavenCentral()
        maven {
            url 'https://plugins.gradle.org/m2/'
        }
    }

    tasks.register("generateLicenseReport", ListProjectDependencies) {
        outputs.dir "${buildDir}/reports/dependency-license"
    }
}

version = versionMap['logstash-core']

tasks.register("configureArchitecture") {
    String arch = System.properties['os.arch']
    String beatsArch = arch
    String esArch = arch
    String osName = (System.properties['os.name'] ==~ /Mac OS X/) ? "darwin" : "linux"

    // For aarch64 architectures, beats and elasticsearch name their artifacts differently
    if (arch == "aarch64") {
        beatsArch=(osName == "darwin") ? "aarch64" : "arm64"
        esArch="aarch64"
    } else if (arch == "amd64") {
        beatsArch="x86_64"
        esArch="x86_64"
    }

    project.ext.set("beatsArchitecture", "${osName}-${beatsArch}")
    project.ext.set("esArchitecture", "${osName}-${esArch}")
}

tasks.register("configureArtifactInfo") {
    dependsOn configureArchitecture
    description "Set the url to download stack artifacts for select stack version"

    doLast {
        def splitVersion = version.split('\\.')
        int major = splitVersion[0].toInteger()
        int minor = splitVersion[1].toInteger()
        String branch = "${major}.${minor}"
        String fallbackMajorX = "${major}.x"
        boolean isFallBackPreviousMajor = minor - 1 < 0
        String fallbackBranch = isFallBackPreviousMajor ? "${major-1}.x" : "${major}.${minor-1}"
        def qualifiedVersion = ""

        for (b in [branch, fallbackMajorX, fallbackBranch]) {
            def url = "https://storage.googleapis.com/artifacts-api/snapshots/${b}.json"
            try {
                def snapshotInfo = new JsonSlurper().parseText(url.toURL().text)
                qualifiedVersion = snapshotInfo.version
                println "ArtifactInfo version: ${qualifiedVersion}"
                break
            } catch (Exception e) {
                println "Failed to fetch branch ${branch} from ${url}: ${e.message}"
            }
        }

        project.ext.set("artifactApiVersion", qualifiedVersion)
    }
}

tasks.register("markAliasDefinitions", SignAliasDefinitions) {
    description "Create an hashes aliases file from original aliases yml definition"
    hashedFile = project.file("${project.buildDir}/plugin_aliases_hashed.yml")
}

tasks.register("markTestAliasDefinitions", SignAliasDefinitions) {
    description "Create an hashes aliases file for testing aliases yml definition"
    stage SignAliasDefinitions.Stage.test
    hashedFile = project.file("${project.buildDir}/plugin_aliases_hashed_test.yml")
}

tasks.register("copyPluginAlias", Copy) {
    description "Copy the marked plugin_aliases.yml file to destination folders"
    dependsOn = [copyPluginAlias_ruby, copyPluginAlias_java]
}

tasks.register("copyPluginAlias_ruby", Copy) {
    description "Copy the marked plugin_aliases.yml file to destination folders"
    dependsOn "markAliasDefinitions"

    inputs.file("${buildDir}/plugin_aliases_hashed.yml")

    from(markAliasDefinitions.hashedFile) {
        rename "plugin_aliases_hashed.yml", "plugin_aliases.yml"
    }
    into "lib/pluginmanager/"
}

tasks.register("copyPluginAlias_java", Copy) {
    description "Copy the marked plugin_aliases.yml file to destination folders"
    dependsOn "markAliasDefinitions"

    inputs.file("${buildDir}/plugin_aliases_hashed.yml")

    from(markAliasDefinitions.hashedFile) {
        rename "plugin_aliases_hashed.yml", "plugin_aliases.yml"
    }
    into "logstash-core/src/main/resources/org/logstash/plugins/"
}

tasks.register("copyPluginTestAlias") {
    description "Copy the marked test plugin_aliases.yml file to destination folders"
    dependsOn = [copyPluginTestAlias_ruby, copyPluginTestAlias_java]
}

tasks.register("copyPluginTestAlias_ruby", Copy) {
    description "Copy the marked test plugin_aliases.yml file into Ruby's plugin_manager specs"
    dependsOn "markTestAliasDefinitions"

    inputs.file(markTestAliasDefinitions.hashedFile)

    from(markTestAliasDefinitions.hashedFile) {
        rename "plugin_aliases_hashed_test.yml", "plugin_aliases.yml"
    }
    into "spec/unit/plugin_manager/"
}

tasks.register("copyPluginTestAlias_java", Copy) {
    description "Copy the marked test plugin_aliases.yml file into logstash-core's test resources"
    dependsOn "markTestAliasDefinitions"

    inputs.file("${buildDir}/plugin_aliases_hashed_test.yml")

    from(markTestAliasDefinitions.hashedFile) {
        rename "plugin_aliases_hashed_test.yml", "plugin_aliases.yml"
    }
    into "logstash-core/src/test/resources/org/logstash/plugins/"
}

tasks.findByPath(':logstash-core:processResources').dependsOn(copyPluginAlias)
tasks.findByPath(':logstash-core:processTestResources').dependsOn(copyPluginTestAlias)


// Tasks

clean {
  delete "${projectDir}/Gemfile"
  delete "${projectDir}/Gemfile.lock"
  delete "${projectDir}/vendor"
  delete "${projectDir}/.bundle"
  delete "${projectDir}/qa/integration/Gemfile.lock"
  delete "${projectDir}/qa/integration/.bundle"
  delete "${projectDir}/build/licenseReportFolders.txt"
  delete "${projectDir}/build/rubyDependencies.csv"

  delete "${projectDir}/lib/pluginmanager/plugin_aliases.yml"
  delete "${projectDir}/spec/unit/plugin_manager/plugin_aliases.yml"
  delete "${projectDir}/logstash-core/build/resources/test/org/logstash/plugins/plugin_aliases.yml"
  delete "${projectDir}/logstash-core/build/resources/main/org/logstash/plugins/plugin_aliases.yml"
  delete "${projectDir}/logstash-core/src/test/resources/org/logstash/plugins/plugin_aliases.yml"
  delete "${projectDir}/logstash-core/src/main/resources/org/logstash/plugins/plugin_aliases.yml"
}

def assemblyDeps = [downloadAndInstallJRuby, assemble] + subprojects.collect {
  it.tasks.findByName("assemble")
}

tasks.register("bootstrap") {
    dependsOn assemblyDeps
    doLast {
      setupJruby(projectDir, buildDir)
  }
}


tasks.register("installDefaultGems") {
    dependsOn bootstrap
    doLast {
        rake(projectDir, buildDir, 'plugin:install-default')
    }
}

tasks.register("installDevelopmentGems") {
    dependsOn bootstrap
    doLast {
      rake(projectDir, buildDir, 'plugin:install-development-dependencies')
  }
}

tasks.register("compileGrammar") {
    dependsOn bootstrap
    doLast {
        rake(projectDir, buildDir, 'compile:grammar')
    }
}

tasks.register("assembleTarDistribution") {
  dependsOn bootstrap
  inputs.files fileTree("${projectDir}/rakelib")
  inputs.files fileTree("${projectDir}/bin")
  inputs.files fileTree("${projectDir}/config")
  inputs.files fileTree("${projectDir}/lib")
  inputs.files fileTree("${projectDir}/logstash-core-plugin-api")
  inputs.files fileTree("${projectDir}/logstash-core/lib")
  inputs.files fileTree("${projectDir}/logstash-core/src")
  inputs.files fileTree("${projectDir}/x-pack")
  outputs.files file("${buildDir}/logstash-${project.version}-SNAPSHOT.tar.gz")
  doLast {
      rake(projectDir, buildDir, 'artifact:bundle_jdk_tar')
  }
}

tasks.register("assembleOssTarDistribution") {
  dependsOn bootstrap
  inputs.files fileTree("${projectDir}/rakelib")
  inputs.files fileTree("${projectDir}/bin")
  inputs.files fileTree("${projectDir}/config")
  inputs.files fileTree("${projectDir}/lib")
  inputs.files fileTree("${projectDir}/logstash-core-plugin-api")
  inputs.files fileTree("${projectDir}/logstash-core/lib")
  inputs.files fileTree("${projectDir}/logstash-core/src")
  doLast {
      rake(projectDir, buildDir, 'artifact:archives_oss')
  }
}

tasks.register("assembleZipDistribution") {
  dependsOn bootstrap
  inputs.files fileTree("${projectDir}/rakelib")
  inputs.files fileTree("${projectDir}/bin")
  inputs.files fileTree("${projectDir}/config")
  inputs.files fileTree("${projectDir}/lib")
  inputs.files fileTree("${projectDir}/logstash-core-plugin-api")
  inputs.files fileTree("${projectDir}/logstash-core/lib")
  inputs.files fileTree("${projectDir}/logstash-core/src")
  inputs.files fileTree("${projectDir}/x-pack")
  outputs.files file("${buildDir}/logstash-${project.version}.zip")
  doLast {
      rake(projectDir, buildDir, 'artifact:archives')
  }
}

tasks.register("assembleOssZipDistribution") {
  dependsOn bootstrap
  inputs.files fileTree("${projectDir}/rakelib")
  inputs.files fileTree("${projectDir}/bin")
  inputs.files fileTree("${projectDir}/config")
  inputs.files fileTree("${projectDir}/lib")
  inputs.files fileTree("${projectDir}/logstash-core-plugin-api")
  inputs.files fileTree("${projectDir}/logstash-core/lib")
  inputs.files fileTree("${projectDir}/logstash-core/src")
  outputs.files file("${buildDir}/logstash-${project.version}.zip")
  doLast {
      rake(projectDir, buildDir, 'artifact:archives_oss')

  }
}

project(":logstash-core") {
  ["rubyTests", "test"].each { tsk ->
    tasks.getByPath(":logstash-core:" + tsk).configure {
      dependsOn copyPluginTestAlias
      dependsOn installDevelopmentGems
    }
  }
}

def logstashBuildDir = "${buildDir}/logstash-${project.version}-SNAPSHOT"

tasks.register("unpackTarDistribution", Copy) {
  dependsOn assembleTarDistribution
  def tar = file("${buildDir}/logstash-${project.version}-SNAPSHOT.tar.gz")
  inputs.files tar
  outputs.files fileTree(logstashBuildDir)
  from tarTree(tar)
  into {buildDir}
}

def qaBuildPath = "${buildDir}/qa/integration"
def qaVendorPath = "${qaBuildPath}/vendor"

tasks.register("installIntegrationTestGems") {
  dependsOn assembleTarDistribution
  def gemfilePath = file("${projectDir}/qa/integration/Gemfile")
  inputs.files gemfilePath
  inputs.files file("${projectDir}/qa/integration/integration_tests.gemspec")
  inputs.files file("${logstashBuildDir}/Gemfile")
  inputs.files file("${logstashBuildDir}/Gemfile.lock")
  inputs.files file("${logstashBuildDir}/logstash-core/logstash-core.gemspec")
  outputs.files fileTree("${qaVendorPath}")
  outputs.files file("${projectDir}/qa/integration/Gemfile.lock")
  doLast {
      bundleQAGems(projectDir, qaBuildPath)
  }
}

tasks.register("downloadFilebeat") {
    dependsOn  configureArtifactInfo
    description "Download Filebeat Snapshot for current branch version: ${version}"

    project.ext.set("versionFound", true)
    inputs.file("${projectDir}/versions.yml")

    doLast {
        download {
            String beatsVersion = project.ext.get("artifactApiVersion")
            String downloadedFilebeatName = "filebeat-${beatsVersion}-${project.ext.get("beatsArchitecture")}"
            project.ext.set("unpackedFilebeatName", downloadedFilebeatName)

            def res = SnapshotArtifactURLs.packageUrls("beats", beatsVersion, downloadedFilebeatName)
            project.ext.set("filebeatSnapshotUrl", System.getenv("FILEBEAT_SNAPSHOT_URL") ?: res.packageUrl)
            project.ext.set("filebeatDownloadLocation", "${projectDir}/build/${downloadedFilebeatName}.tar.gz")

            src project.ext.filebeatSnapshotUrl
            onlyIfNewer true

            dest new File(project.ext.filebeatDownloadLocation)
            retries 3
        }
        System.out.println "Downloaded to ${project.ext.filebeatDownloadLocation}"
    }
}

tasks.register("deleteLocalFilebeat", Delete) {
    delete ('./build/filebeat')
}

tasks.register("copyFilebeat") {
    dependsOn = [downloadFilebeat, deleteLocalFilebeat]
    doLast {
        copy {
            from tarTree(resources.gzip(project.ext.filebeatDownloadLocation))
            into "./build/"
        }
        file("./build/${project.ext.unpackedFilebeatName}").renameTo('./build/filebeat')
        System.out.println "Unzipped ${project.ext.filebeatDownloadLocation} to ./build/filebeat"
        System.out.println "Deleting ${project.ext.filebeatDownloadLocation}"
        delete(project.ext.filebeatDownloadLocation)
    }
}

tasks.register("checkEsSHA") {
    dependsOn  configureArtifactInfo

    description "Download ES version remote's fingerprint file"

    doLast {
        String esVersion = project.ext.get("artifactApiVersion")
        String downloadedElasticsearchName = "elasticsearch-${esVersion}-${project.ext.get("esArchitecture")}"
        String remoteSHA

        def res = SnapshotArtifactURLs.packageUrls("elasticsearch", esVersion, downloadedElasticsearchName)
        remoteSHA = res.packageShaUrl

        def localESArchive = new File("${projectDir}/build/${downloadedElasticsearchName}.tar.gz")
        if (localESArchive.exists()) {
            // this create a file named localESArchive with ".SHA-512" postfix
            ant.checksum(file: localESArchive, algorithm: "SHA-512", forceoverwrite: true)

            File localESCalculatedSHAFile = new File("${projectDir}/build/${downloadedElasticsearchName}.tar.gz.SHA-512")
            String localESCalculatedSHA = localESCalculatedSHAFile.text.trim()
            def splitted = remoteSHA.split(' ')
            String remoteSHACode = splitted[0]
            if (localESCalculatedSHA != remoteSHACode) {
                println "ES package calculated fingerprint is different from remote, deleting local archive"
                delete(localESArchive)
            }
        }/* else {
            mkdir project.buildDir
            // touch the SHA file else downloadEs task doesn't start, this file his input for the other task
            new File("${projectDir}/build/${downloadedElasticsearchName}.tar.gz.SHA-512").withWriter { w ->
                w << "${downloadedElasticsearchName} not yet downloaded"
                w.close()
            }
        }*/
    }
}

tasks.register("downloadEs") {
    dependsOn  = [configureArtifactInfo, checkEsSHA]

    description "Download ES Snapshot for current branch version: ${version}"
    inputs.file("${projectDir}/versions.yml")

    doLast {
        download {
            String esVersion = project.ext.get("artifactApiVersion")
            String downloadedElasticsearchName = "elasticsearch-${esVersion}-${project.ext.get("esArchitecture")}"

            project.ext.set("unpackedElasticsearchName", "elasticsearch-${esVersion}")

            def res = SnapshotArtifactURLs.packageUrls("elasticsearch", esVersion, downloadedElasticsearchName)
            project.ext.set("elasticsearchSnapshotURL", System.getenv("ELASTICSEARCH_SNAPSHOT_URL") ?: res.packageUrl)
            project.ext.set("elasticsearchDownloadLocation", "${projectDir}/build/${downloadedElasticsearchName}.tar.gz")

            src project.ext.elasticsearchSnapshotURL
            onlyIfNewer true
            retries 3
            dest new File(project.ext.elasticsearchDownloadLocation)
        }

        System.out.println "Downloaded to ${project.ext.elasticsearchDownloadLocation}"
    }
}


tasks.register("deleteLocalEs", Delete) {
    delete ('./build/elasticsearch')
}

tasks.register("copyEs") {
    dependsOn = [downloadEs, deleteLocalEs]
    doLast {
        println "copyEs executing.."
        copy {
            from tarTree(resources.gzip(project.ext.elasticsearchDownloadLocation))
            into "./build/"
        }

        file("./build/${project.ext.unpackedElasticsearchName}").renameTo('./build/elasticsearch')
        println "Unzipped ${project.ext.elasticsearchDownloadLocation} to ./build/elasticsearch"
        println "Deleting ${project.ext.elasticsearchDownloadLocation}"
    }
}

def rubyIntegrationSpecs = project.hasProperty("rubyIntegrationSpecs") ? ((String) project.property("rubyIntegrationSpecs")).split(/\s+/).join(",") : "specs/**/*_spec.rb"
def integrationTestPwd = "${projectDir}/qa/integration"

project(":logstash-integration-tests") {
    tasks.getByPath(":logstash-integration-tests:integrationTests").configure {
        systemProperty 'org.logstash.integration.specs', rubyIntegrationSpecs
        environment "FEATURE_FLAG", System.getenv('FEATURE_FLAG')
        workingDir integrationTestPwd
        dependsOn installIntegrationTestGems
        dependsOn copyProductionLog4jConfiguration
    }
}

tasks.register("runIntegrationTests") {
    dependsOn tasks.getByPath(":logstash-integration-tests:integrationTests")
    dependsOn copyEs
    dependsOn copyFilebeat
    shouldRunAfter ":logstash-core:test"
}



tasks.register("generateLicenseReport", JavaExec) {
    dependsOn generateLicenseReportInputs
    dependsOn ":dependencies-report:assemble"

    def jarFile = project('dependencies-report').getBuildDir().toString() + "/libs/dependencies-report.jar"

    String licenseReportInputCSV = project.hasProperty("licenseReportInputCSV") ? project.property("licenseReportInputCSV") : "build/dependencies.csv.ruby"
    String licenseReportOutputCSV = project.hasProperty("licenseReportOutputCSV") ? project.property("licenseReportOutputCSV") : "build/dependencies.csv"
    String noticePath = "NOTICE.txt"

    classpath = project.files([jarFile])
    main = "org.logstash.dependencies.Main"
    args licenseReportInputCSV,
      project.getBuildDir().toString() + "/licenseReportFolders.txt",
      licenseReportOutputCSV, noticePath
}

tasks.register("generateLicenseReportInputs") {
    dependsOn subprojects.generateLicenseReport

    doLast {
        // write location of all license reports for subprojects containing artifacts that are distributed to single file
        StringBuilder licenseReportFolders = new StringBuilder()
        subprojects.findAll { s1 -> !s1.hasProperty("isDistributedArtifact") || s1.property("isDistributedArtifact") == 'true' }.each { s ->
            s.tasks.findAll { t2 -> t2.getName() == "generateLicenseReport" }.each { t3 ->
                licenseReportFolders.append(t3.reportDir.toString() + "\n")
            }
        }

        if (gradle.startParameter.taskNames.contains("generateLicenseReport")) {
            if (!project.getBuildDir().exists()) {
                project.getBuildDir().mkdirs()
            }
            def licenseReportPath = project.getBuildDir().toString() + "/licenseReportFolders.txt"
            def licenseReportFolder = new File(licenseReportPath)
            licenseReportFolder.delete()
            licenseReportFolder = new File(licenseReportPath)
            licenseReportFolder.createNewFile()
            if (licenseReportFolder.canWrite()) {
                licenseReportFolder.text = licenseReportFolders.toString()
            }
        }
    }
}

tasks.register("generatePluginsVersion") {
  dependsOn installDefaultGems
  doLast {
      rake(projectDir, buildDir, 'generate_plugins_version')
  }
}

bootstrap.dependsOn assemblyDeps
// FIXME: adding the integration tests task to check will mean
// that any registered task will be evaluated. This creates an issue
// where the downloadES task may throw an error on versions where
// Elasticsearch doesn't yet have a build we can fetch
// So for now we'll remove this to unblock builds, but finding a way
// to compartimentalize failures is needed going forward
//check.dependsOn runIntegrationTest


def selectOsType() {
    if (project.ext.has("jdk_bundle_os")) {
        return project.ext.jdk_bundle_os
    }
    String osName = System.properties['os.name']
    switch (osName.toLowerCase()) {
        case ~/mac os x/:
            return "darwin"
        case ~/windows.*/:
            return "windows"
        case ~/linux/:
            return "linux"
        default:
            throw new IllegalArgumentException("Can't determine OS type from name: $osName")
    }
}

def selectArch() {
    if (project.ext.has("jdk_arch")) {
        return project.ext.jdk_arch
    }
    String cpu_arch = System.properties["os.arch"]
    switch (cpu_arch) {
        case "amd64":
        case "x86_64":
            return "x86_64"
        case "aarch64":
        case "arm64":
            return "arm64"
        default:
            throw new IllegalArgumentException("Can't handle os.arch of type $cpu_arch")
    }
}

class JDKDetails {
    final String revision
    final String build
    final String vendor
    final int major
    private final String osName
    private final String extension
    final String localPackageName
    final String unpackedJdkName
    private String arch

    JDKDetails(versionYml, osName, jdkArch) {
        revision = versionYml.bundled_jdk.revision
        build = versionYml.bundled_jdk.build
        vendor = versionYml.bundled_jdk.vendor
        major = revision.split('\\.').first() as int
        this.osName = osName

        switch (osName) {
            case "windows":
                extension = "zip"
                break
            default:
                extension = "tar.gz"
        }
        arch = parseJdkArchitecture(jdkArch)
        unpackedJdkName = "jdk-${revision}-${osName}"
        localPackageName = "${unpackedJdkName}-${arch}.${extension}"
    }

    String createDownloadUrl() {
        return createElasticCatalogDownloadUrl()
    }

    // throws an error iff local version in versions.yml doesn't match the latest from JVM catalog.
    void checkLocalVersionMatchingLatest() {
        // retrieve the metadata from remote
        def url = "https://jvm-catalog.elastic.co/jdk/latest_adoptiumjdk_${major}_${osName}"
        def catalogMetadataUrl = URI.create(url).toURL()
        def catalogConnection = catalogMetadataUrl.openConnection()
        catalogConnection.requestMethod = 'GET'
        assert catalogConnection.responseCode == 200

        def metadataRetrieved = catalogConnection.content.text
        def catalogMetadata = new JsonSlurper().parseText(metadataRetrieved)

        if (catalogMetadata.version != revision || catalogMetadata.revision != build) {
            throw new GradleException("Found new jdk version. Please update version.yml to ${catalogMetadata.version} build ${catalogMetadata.revision}")
        }
    }

    private String createElasticCatalogDownloadUrl() {
        // Ask details to catalog https://jvm-catalog.elastic.co/jdk and return the url to download the JDK

        // arch x86_64 is default, aarch64 if macos or linux
        def url = "https://jvm-catalog.elastic.co/jdk/adoptiumjdk-${revision}+${build}-${osName}"

        // Append the cpu's arch only if not x86_64, which is the default
        if (arch == "aarch64") {
            url += "-${arch}"
        }
        println "Retrieving JDK from catalog..."
        def catalogMetadataUrl = URI.create(url).toURL()
        def catalogConnection = catalogMetadataUrl.openConnection()
        catalogConnection.requestMethod = 'GET'
        if (catalogConnection.responseCode != 200) {
            println "Can't find adoptiumjdk ${revision} for ${osName} on Elastic JVM catalog"
            throw new GradleException("JVM not present on catalog")
        }

        def metadataRetrieved = catalogConnection.content.text
        println "Retrieved!"

        def catalogMetadata = new JsonSlurper().parseText(metadataRetrieved)
        validateMetadata(catalogMetadata)

        return catalogMetadata.url
    }

    //Verify that the artifact metadata correspond to the request, if not throws an error
    private void validateMetadata(Map metadata) {
        if (metadata.version != revision) {
            throw new GradleException("Expected to retrieve a JDK for version ${revision} but received: ${metadata.version}")
        }
        if (!isSameArchitecture(metadata.architecture)) {
            throw new GradleException("Expected to retrieve a JDK for architecture ${arch} but received: ${metadata.architecture}")
        }
    }

    private boolean isSameArchitecture(String metadataArch) {
        if (arch == 'x64') {
            return metadataArch == 'x86_64'
        }
        return metadataArch == arch
    }

    private String parseJdkArchitecture(String jdkArch) {
        switch (jdkArch) {
            case "x86_64":
                return "x64"
                break
            case "arm64":
                return "aarch64"
                break
            default:
                throw new GradleException("Can't handle CPU architechture: ${jdkArch}")
        }
    }
}

tasks.register("lint") {
    description = "Lint Ruby source files. Use -PrubySource=file1.rb,file2.rb to specify files"
    dependsOn installDevelopmentGems
    doLast {
        if (project.hasProperty("rubySource")) {
            // Split the comma-separated files and pass them as separate arguments
            def files = project.property("rubySource").split(",")
            rake(projectDir, buildDir, "lint:report", *files)
        } else {
            rake(projectDir, buildDir, "lint:report")
        }
    }
}

tasks.register("downloadJdk", Download) {
    // CLI project properties: -Pjdk_bundle_os=[windows|linux|darwin] -Pjdk_arch=[arm64|x86_64]

    project.ext.set("versionFound", true)
    String osName = selectOsType()

    def versionYml = new Yaml().load(new File("$projectDir/versions.yml").text)
    String jdkArch = selectArch()
    def jdkDetails = new JDKDetails(versionYml, osName, jdkArch)

    description "Download JDK ${jdkDetails.major}, OS: ${osName}"

    // find url of build artifact
    String artifactApiUrl = jdkDetails.createDownloadUrl()

    project.ext.set("jdkURL", System.getenv("JDK_URL") ?: artifactApiUrl)
    project.ext.set("jdkDownloadLocation", "${projectDir}/build/${jdkDetails.localPackageName}")
    project.ext.set("jdkDirectory", "${projectDir}/build/${jdkDetails.unpackedJdkName}")

    String jdkFolderName = ToolingUtils.jdkFolderName(osName)
    project.ext.set("jdkBundlingDirectory", "${projectDir}/${jdkFolderName}")

    src project.ext.jdkURL
    onlyIfNewer true
    overwrite false
    quiet true
    inputs.file("${projectDir}/versions.yml")
    outputs.file(project.ext.jdkDownloadLocation)
    dest new File(project.ext.jdkDownloadLocation)

    doLast {
        mkdir project.ext.jdkBundlingDirectory
        println "Downloaded to ${project.ext.jdkDownloadLocation}"
    }
}

tasks.register("checkNewJdkVersion") {
    def versionYml = new Yaml().load(new File("$projectDir/versions.yml").text)

    // use Linux x86_64 as canary platform
    def jdkDetails = new JDKDetails(versionYml, "linux", "x86_64")
    // throws Gradle exception if local and remote doesn't match
    jdkDetails.checkLocalVersionMatchingLatest()
}

tasks.register("deleteLocalJdk", Delete) {
    // CLI project properties: -Pjdk_bundle_os=[windows|linux|darwin]
    String osName = selectOsType()
    String jdkFolderName = ToolingUtils.jdkFolderName(osName)
    String jdkBundlingDirectory = "${projectDir}/${jdkFolderName}"
    delete jdkBundlingDirectory
}

// Cannot use tarTree as it does not handle symlinks
tasks.register("untarJdk", Exec) {
    dependsOn downloadJdk
    description = "unpack the downloaded JDK's tar.gz"
    commandLine 'tar', 'xf', project.ext.jdkDownloadLocation, '-C', project.ext.jdkBundlingDirectory, '--strip-components', '1'
    inputs.file(project.ext.jdkDownloadLocation)
    outputs.dir(project.ext.jdkBundlingDirectory)
}

tasks.register("unzipJdk", Copy) {
    dependsOn downloadJdk
    description = "unpack the downloaded JDK's zip"
    String rootName = null
    from(zipTree("$project.ext.jdkDownloadLocation")) {
        eachFile { fcd ->
            rootName = rootName ?: fcd.relativePath.segments[0]
            fcd.relativePath = new RelativePath(true, fcd.relativePath.segments.drop(1))
        }
    }
    into project.ext.jdkBundlingDirectory
    doLast {
        delete "${project.ext.jdkBundlingDirectory}/$rootName"
    }
}

tasks.register("decompressJdk") {
    description = "unpack the downloaded JDK's (wrapper task for unzipJdk, untarJdk)"
    String osName = selectOsType()
    switch (osName) {
        case "windows":
            dependsOn ":unzipJdk"
            break
        default:
            dependsOn ":untarJdk"
    }
}

tasks.register("copyJdk", Copy) {
    dependsOn = [extractBundledJdkVersion, decompressJdk, bootstrap]
    description = "Download, unpack and copy the JDK"
    // CLI project properties: -Pjdk_bundle_os=[windows|linux|darwin] -Pjdk_arch=[arm64|x86_64]
    doLast {
        System.out.println "Download location is ${project.ext.jdkDownloadLocation}, Decompressing ${project.ext.jdkDirectory} to \"${project.ext.jdkBundlingDirectory}\""
    }
}

tasks.register("extractBundledJdkVersion", ExtractBundledJdkVersion) {
    dependsOn "decompressJdk"
    osName = selectOsType()
}

tasks.register("javaTests") {
    dependsOn ":logstash-core:javaTests"
    dependsOn ":jvm-options-parser:test"
}

clean {
    String jdkVersionFilename = tasks.findByName("extractBundledJdkVersion").outputFilename
    delete "${projectDir}/${jdkVersionFilename}"
}

if (System.getenv('OSS') != 'true') {
  project(":logstash-xpack") {
    ["rubyTests", "rubyIntegrationTests", "test"].each { tsk ->
      tasks.getByPath(":logstash-xpack:" + tsk).configure {
        dependsOn installDevelopmentGems
      }
    }
  }
}

 tasks.register("runXPackUnitTests") {
     dependsOn copyPluginTestAlias
     dependsOn ":logstash-xpack:rubyTests"
 }
 tasks.register("runXPackIntegrationTests") {
     dependsOn copyPluginTestAlias
     dependsOn ":logstash-xpack:rubyIntegrationTests"
 }