build.gradle

// Build.gradle for creating or installing new instrumentation modules


// Global defaults - override here or in individual modules as needed.
buildscript {
  repositories {
    flatDir dirs: 'template-lib'
    mavenLocal()
    mavenCentral()
    gradlePluginPortal()
  }

  dependencies {
    classpath 'gradle-templates:gradle-templates:1.5'
    classpath 'com.newrelic.agent.java:gradle-verify-instrumentation-plugin:3.2'
  }
}

plugins {
  id "de.undercouch.download" version "1.2"
}

project.ext {
  group = 'com.newrelic.instrumentation.labs'
  javaAgentVersion = '6.0.0'

  // Aligned with minimum Java major version supported by latest Java Agent
  javaVersion = JavaVersion.VERSION_1_8

}

apply plugin: 'java'
apply plugin: 'de.undercouch.download'

import templates.*
import de.undercouch.gradle.tasks.download.Download

task getAgent(type: Download) {
   def rootProject = projectDir.path
   src 'https://repo1.maven.org/maven2/com/newrelic/agent/java/newrelic-agent/'+project.javaAgentVersion+'/newrelic-agent-'+project.javaAgentVersion+'.jar'
   dest projectDir.path+"/libs/newrelic-agent-"+project.javaAgentVersion+".jar"
}

task extractJars(type: Copy) {

    from zipTree(projectDir.path+"/libs/newrelic-agent-"+project.javaAgentVersion+".jar")
    into projectDir.path+"/libs"
}

task cleanUp(type: Delete) {
  delete projectDir.path+'/libs/META-INF', projectDir.path+'/libs/com', projectDir.path+'/libs/mozilla'
  delete projectDir.path+'/libs/LICENSE', projectDir.path+'/libs/Log4j-events.dtd', projectDir.path+'/libs/THIRD_PARTY_NOTICES.md'
  delete fileTree(projectDir.path+'/libs') {
    include '**/*.xsd'
    include '**/*.xml'
    include '**/*.yml'
    include '**/*.properties'
  }
}

task checkForDependencies(type: Exec) {
    environment "JAVAAGENTVERSION", javaAgentVersion
    def rootProject = projectDir.path
    def cmdLine = rootProject+'/newrelic-dependencies.sh'
    workingDir rootProject
    commandLine  cmdLine

}

task buildIfNeeded {
   dependsOn checkForDependencies
   dependsOn jar
   tasks.findByName('jar').mustRunAfter 'checkForDependencies'
}

task createModule {
  dependsOn checkForDependencies
  description = 'Generate project files for a new instrumentation module'
  group = 'New Relic Labs'
  doLast {

    def rootProject = projectDir.path

    String projectGroup = TemplatesPlugin.prompt('Instrumentation Module Group (default: ' + project.ext.group + ') (Hit return to use default):\n')
    String projectName = TemplatesPlugin.prompt('Instrumentation Module Name:\n')

    if (projectName == null) {
      throw new Exception("Please specify a valid module name.")
    } else {
      projectName = projectName.trim()
    }

    if (projectGroup == null || projectGroup.trim() == '') {
      projectGroup = project.ext.group
    } else {
      projectGroup = projectGroup.trim()
    }

    def projectLibDir = new File(rootProject+'/lib')

    def projectPath = new File(projectName)
    if (projectPath.exists()) {
      throw new Exception(projectPath.path + ' already exists.')
    }

    def projectJava = new File(projectPath, 'src/main/java')
    def projectTest = new File(projectPath, 'src/test/java')
    mkdir projectJava
    mkdir projectTest

    ProjectTemplate.fromRoot(projectPath) {
       'build.gradle' '''
        // Build.gradle generated for instrumentation module PROJECT_NAME

        apply plugin: 'java'

        dependencies {
           // Declare a dependency on each JAR you want to instrument
           // Example:
           // implementation 'javax.servlet:servlet-api:2.5'

           // New Relic Labs Java Agent dependencies
           implementation 'com.newrelic.agent.java:newrelic-agent:JAVA_AGENT_VERSION'
           implementation 'com.newrelic.agent.java:newrelic-api:JAVA_AGENT_VERSION'
           implementation fileTree(include: ['*.jar'], dir: '../libs')
           implementation fileTree(include: ['*.jar'], dir: '../test-lib')
        }

        jar {
          manifest {
            attributes 'Implementation-Title': 'PROJECT_GROUP.PROJECT_NAME'
            attributes 'Implementation-Vendor': 'New Relic Labs'
            attributes 'Implementation-Vendor-Id': 'com.newrelic.labs'
            attributes 'Implementation-Version': 1.0
          }
        }

        verifyInstrumentation {
          // Verifier plugin documentation:
          // https://github.com/newrelic/newrelic-gradle-verify-instrumentation
          // Example:
          // passes 'javax.servlet:servlet-api:[2.2,2.5]'
          // exclude 'javax.servlet:servlet-api:2.4.public_draft'
        }'''.replace('PROJECT_GROUP', projectGroup)
            .replace('PROJECT_NAME', projectName)
            .replace('PROJECT_PATH', projectPath.path)
            .replace('JAVA_AGENT_VERSION', project.ext.javaAgentVersion)
     }

     File settings = new File('settings.gradle')
     settings.append("include '$projectName'\n")
     println "Created module in $projectPath.path."
  }
}

subprojects {
  repositories {
    mavenLocal()
    mavenCentral()
  }

  apply plugin: 'java'
  apply plugin: 'eclipse'
  apply plugin: 'idea'
  apply plugin: 'com.newrelic.gradle-verify-instrumentation-plugin'

  sourceCompatibility = project.javaVersion
  targetCompatibility = project.javaVersion

  dependencies {
    testImplementation  fileTree(dir: '../lib', include: "*.jar") // + project.javaAgentVersion
    testImplementation 'org.nanohttpd:nanohttpd:2.3.1'
    testImplementation 'com.newrelic.agent.java:newrelic-agent:' + project.javaAgentVersion
  }

  task install(dependsOn: buildIfNeeded, type: Copy) {
    description = 'Copies compiled jar to the NEW_RELIC_EXTENSIONS_DIR.'
    group  = 'New Relic Labs'

    def extDir = System.getenv("NEW_RELIC_EXTENSIONS_DIR") ?: " "

    from jar
    into extDir
  }

  compileJava.doFirst {
    tasks.findByName('checkForDependencies')
  }

  install.doFirst  {
    def extDir = System.getenv("NEW_RELIC_EXTENSIONS_DIR")
     if (extDir == null) {
         throw new Exception("Must set NEW_RELIC_EXTENSIONS_DIR.")
     }

     if (extDir.startsWith("~" + File.separator)) {
         extDir = System.getProperty("user.home") + extDir.substring(1);
     }

     if (!file(extDir).directory) {
         throw new Exception(extDir + "NEW_RELIC_EXTENSIONS_DIR, set as '" + extDir + "'is not a valid directory.")
     }
  }
}