build.gradle

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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 com.bmuschko.gradle.nexus.NexusPlugin
import org.gradle.plugins.ide.eclipse.model.SourceFolder

// common maven publishing configuration
subprojects {
  group = 'org.elasticsearch'
  version = org.elasticsearch.gradle.VersionProperties.elasticsearch

  plugins.withType(NexusPlugin).whenPluginAdded {
    modifyPom {
      project {
        url 'https://github.com/elastic/elasticsearch'
        inceptionYear '2009'

        scm {
          url 'https://github.com/elastic/elasticsearch'
          connection 'scm:https://elastic@github.com/elastic/elasticsearch'
          developerConnection 'scm:git://github.com/elastic/elasticsearch.git'
        }

        licenses {
          license {
            name 'The Apache Software License, Version 2.0'
            url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
            distribution 'repo'
          }
        }
      }
    }
    extraArchive {
      javadoc = true
      tests = false
    }
    // we have our own username/password prompts so that they only happen once
    // TODO: add gpg signing prompts
    project.gradle.taskGraph.whenReady { taskGraph ->
      if (taskGraph.allTasks.any { it.name == 'uploadArchives' }) {
        Console console = System.console()
        if (project.hasProperty('nexusUsername') == false) {
          String nexusUsername = console.readLine('\nNexus username: ')
          project.rootProject.allprojects.each {
            it.ext.nexusUsername = nexusUsername
          }
        }
        if (project.hasProperty('nexusPassword') == false) {
          String nexusPassword = new String(console.readPassword('\nNexus password: '))
          project.rootProject.allprojects.each {
            it.ext.nexusPassword = nexusPassword
          }
        }
      }
    }
  }
}

allprojects {
  // injecting groovy property variables into all projects
  project.ext {
    // for eclipse hacks...
    isEclipse = System.getProperty("eclipse.launcher") != null || gradle.startParameter.taskNames.contains('eclipse') || gradle.startParameter.taskNames.contains('cleanEclipse')
  }
}

subprojects {
  project.afterEvaluate {
    // include license and notice in jars
    tasks.withType(Jar) {
      into('META-INF') {
        from project.rootProject.rootDir
        include 'LICENSE.txt'
        include 'NOTICE.txt'
      }
    }
    // ignore missing javadocs
    tasks.withType(Javadoc) { Javadoc javadoc ->
      // the -quiet here is because of a bug in gradle, in that adding a string option
      // by itself is not added to the options. By adding quiet, both this option and
      // the "value" -quiet is added, separated by a space. This is ok since the javadoc
      // command already adds -quiet, so we are just duplicating it
      // see https://discuss.gradle.org/t/add-custom-javadoc-option-that-does-not-take-an-argument/5959
      javadoc.options.encoding='UTF8'
      javadoc.options.addStringOption('Xdoclint:all,-missing', '-quiet')
    }
  }

  /* Sets up the dependencies that we build as part of this project but
    register as thought they were external to resolve internally. We register
    them as external dependencies so the build plugin that we use can be used
    to build elasticsearch plugins outside of the elasticsearch source tree. */
  ext.projectSubstitutions = [
    "org.elasticsearch:rest-api-spec:${version}": ':rest-api-spec',
    "org.elasticsearch:elasticsearch:${version}": ':core',
    "org.elasticsearch.test:framework:${version}": ':test:framework',
    "org.elasticsearch.distribution.integ-test-zip:elasticsearch:${version}": ':distribution:integ-test-zip',
    "org.elasticsearch.distribution.zip:elasticsearch:${version}": ':distribution:zip',
    "org.elasticsearch.distribution.tar:elasticsearch:${version}": ':distribution:tar',
    "org.elasticsearch.distribution.rpm:elasticsearch:${version}": ':distribution:rpm',
    "org.elasticsearch.distribution.deb:elasticsearch:${version}": ':distribution:deb',
  ]
  configurations.all {
    resolutionStrategy.dependencySubstitution { DependencySubstitutions subs ->
      projectSubstitutions.each { k,v ->
        subs.substitute(subs.module(k)).with(subs.project(v))
      }
    }
  }
  // For reasons we don't fully understand yet, external dependencies are not picked up by Ant's optional tasks.
  // But you can easily do it in another way.
  // Only if your buildscript and Ant's optional task need the same library would you have to define it twice.
  // https://docs.gradle.org/current/userguide/organizing_build_logic.html
  configurations {
    forbiddenApis
  }
  dependencies {
    forbiddenApis 'de.thetaphi:forbiddenapis:2.0'
  }
}

// Ensure similar tasks in dependent projects run first. The projectsEvaluated here is
// important because, while dependencies.all will pickup future dependencies,
// it is not necessarily true that the task exists in both projects at the time
// the dependency is added.
gradle.projectsEvaluated {
  allprojects {
    if (project.path == ':test:framework') {
      // :test:framework:test cannot run before and after :core:test
      return
    }
    configurations.all {
      dependencies.all { Dependency dep ->
        Project upstreamProject = null
        if (dep instanceof ProjectDependency) {
          upstreamProject = dep.dependencyProject
        } else {
          // gradle doesn't apply substitutions until resolve time, so they won't
          // show up as a ProjectDependency above
          String substitution = projectSubstitutions.get("${dep.group}:${dep.name}:${dep.version}")
          if (substitution != null) {
            upstreamProject = findProject(substitution)
          }
        }
        if (upstreamProject != null) {
          if (project.path == upstreamProject.path) {
            // TODO: distribution integ tests depend on themselves (!), fix that
            return
          }
          for (String taskName : ['test', 'integTest']) {
            Task task = project.tasks.findByName(taskName)
            Task upstreamTask = upstreamProject.tasks.findByName(taskName)
            if (task != null && upstreamTask != null) {
              task.mustRunAfter(upstreamTask)
            }
          }
        }
      }
    }
  }
}

// intellij configuration
allprojects {
  apply plugin: 'idea'
}

idea {
  project {
    languageLevel = org.elasticsearch.gradle.BuildPlugin.minimumJava.toString()
    vcs = 'Git'
  }
}
// Make sure gradle idea was run before running anything in intellij (including import).
File ideaMarker = new File(projectDir, '.local-idea-is-configured')
tasks.idea.doLast {
  ideaMarker.setText('', 'UTF-8')
}
if (System.getProperty('idea.active') != null && ideaMarker.exists() == false) {
  throw new GradleException('You must run gradle idea from the root of elasticsearch before importing into IntelliJ')
}
// add buildSrc itself as a groovy project
task buildSrcIdea(type: GradleBuild) {
  buildFile = 'buildSrc/build.gradle'
  tasks = ['cleanIdea', 'ideaModule']
}
tasks.idea.dependsOn(buildSrcIdea)


// eclipse configuration
allprojects {
  apply plugin: 'eclipse'

  plugins.withType(JavaBasePlugin) {
    eclipse.classpath.defaultOutputDir = new File(project.buildDir, 'eclipse')
    eclipse.classpath.file.whenMerged { classpath ->
      // give each source folder a unique corresponding output folder
      int i = 0;
      classpath.entries.findAll { it instanceof SourceFolder }.each { folder ->
        i++;
        // this is *NOT* a path or a file.
        folder.output = "build/eclipse/" + i
      }
    }
  }
  task copyEclipseSettings(type: Copy) {
    // TODO: "package this up" for external builds
    from new File(project.rootDir, 'buildSrc/src/main/resources/eclipse.settings')
    into '.settings'
  }
  // otherwise .settings is not nuked entirely
  tasks.cleanEclipse {
    delete '.settings'
  }
  // otherwise the eclipse merging is *super confusing*
  tasks.eclipse.dependsOn(cleanEclipse, copyEclipseSettings)
}

// add buildSrc itself as a groovy project
task buildSrcEclipse(type: GradleBuild) {
  buildFile = 'buildSrc/build.gradle'
  tasks = ['cleanEclipse', 'eclipse']
}
tasks.eclipse.dependsOn(buildSrcEclipse)

// we need to add the same --debug-jvm option as
// the real RunTask has, so we can pass it through
class Run extends DefaultTask {
  boolean debug = false

  @org.gradle.api.internal.tasks.options.Option(
        option = "debug-jvm",
        description = "Enable debugging configuration, to allow attaching a debugger to elasticsearch."
  )
  public void setDebug(boolean enabled) {
    project.project(':distribution').run.clusterConfig.debug = enabled
  }
}
task run(type: Run) {
  dependsOn ':distribution:run'
  description = 'Runs elasticsearch in the foreground'
  group = 'Verification'
  impliesSubProjects = true
}