[test] packaging: add groovy test project

Adds behavior to the vagrant test plugin that runs jars from the
packagingTest configuration inside test VMs. Makes :qa:vagrant a project
which builds such a packaging test uberjar. This test project doesn't
run anything yet.

For elastic#26741

Author: andyb-elastic

Vagrantfile

@@ -337,6 +337,7 @@ export BATS=/project/build/bats
 export BATS_UTILS=/project/build/packaging/bats/utils
 export BATS_TESTS=/project/build/packaging/bats/tests
 export PACKAGING_ARCHIVES=/project/build/packaging/archives
+export PACKAGING_TESTS=/project/build/packaging/tests
 VARS
     cat \<\<SUDOERS_VARS > /etc/sudoers.d/elasticsearch_vars
 Defaults   env_keep += "ZIP"
@@ -347,6 +348,7 @@ Defaults   env_keep += "BATS"
 Defaults   env_keep += "BATS_UTILS"
 Defaults   env_keep += "BATS_TESTS"
 Defaults   env_keep += "PACKAGING_ARCHIVES"
+Defaults   env_keep += "PACKAGING_TESTS"
 SUDOERS_VARS
     chmod 0440 /etc/sudoers.d/elasticsearch_vars
   SHELL

buildSrc/src/main/groovy/org/elasticsearch/gradle/vagrant/VagrantTestPlugin.groovy

@@ -43,6 +43,7 @@ class VagrantTestPlugin implements Plugin<Project> {
     static List<String> UPGRADE_FROM_ARCHIVES = ['rpm', 'deb']
 
     private static final PACKAGING_CONFIGURATION = 'packaging'
+    private static final PACKAGING_TEST_CONFIGURATION = 'packagingTest'
     private static final BATS = 'bats'
     private static final String BATS_TEST_COMMAND ="cd \$PACKAGING_ARCHIVES && sudo bats --tap \$BATS_TESTS/*.$BATS"
     private static final String PLATFORM_TEST_COMMAND ="rm -rf ~/elasticsearch && rsync -r /elasticsearch/ ~/elasticsearch && cd ~/elasticsearch && ./gradlew test integTest"
@@ -58,6 +59,7 @@ class VagrantTestPlugin implements Plugin<Project> {
 
         // Creates custom configurations for Bats testing files (and associated scripts and archives)
         createPackagingConfiguration(project)
+        project.configurations.create(PACKAGING_TEST_CONFIGURATION)
 
         // Creates all the main Vagrant tasks
         createVagrantTasks(project)
@@ -134,10 +136,12 @@ class VagrantTestPlugin implements Plugin<Project> {
     }
 
     private static void createCleanTask(Project project) {
-        project.tasks.create('clean', Delete.class) {
-            description 'Clean the project build directory'
-            group 'Build'
-            delete project.buildDir
+        if (project.tasks.findByName('clean') == null) {
+            project.tasks.create('clean', Delete.class) {
+                description 'Clean the project build directory'
+                group 'Build'
+                delete project.buildDir
+            }
         }
     }
 
@@ -164,6 +168,12 @@ class VagrantTestPlugin implements Plugin<Project> {
             from project.configurations[PACKAGING_CONFIGURATION]
         }
 
+        File testsDir = new File(packagingDir, 'tests')
+        Copy copyPackagingTests = project.tasks.create('copyPackagingTests', Copy) {
+            into testsDir
+            from project.configurations[PACKAGING_TEST_CONFIGURATION]
+        }
+
         Task createVersionFile = project.tasks.create('createVersionFile', FileContentsTask) {
             dependsOn copyPackagingArchives
             file "${archivesDir}/version"
@@ -214,7 +224,7 @@ class VagrantTestPlugin implements Plugin<Project> {
 
         Task vagrantSetUpTask = project.tasks.create('setupPackagingTest')
         vagrantSetUpTask.dependsOn 'vagrantCheckVersion'
-        vagrantSetUpTask.dependsOn copyPackagingArchives, createVersionFile, createUpgradeFromFile
+        vagrantSetUpTask.dependsOn copyPackagingArchives, copyPackagingTests, createVersionFile, createUpgradeFromFile
         vagrantSetUpTask.dependsOn copyBatsTests, copyBatsUtils
     }
 
@@ -373,10 +383,14 @@ class VagrantTestPlugin implements Plugin<Project> {
                 packagingTest.dependsOn(batsPackagingTest)
             }
 
-            // This task doesn't do anything yet. In the future it will execute a jar containing tests on the vm
-            Task groovyPackagingTest = project.tasks.create("vagrant${boxTask}#groovyPackagingTest")
-            groovyPackagingTest.dependsOn(up)
-            groovyPackagingTest.finalizedBy(halt)
+            Task groovyPackagingTest = project.tasks.create("vagrant${boxTask}#groovyPackagingTest", VagrantCommandTask) {
+                command 'ssh'
+                boxName box
+                environmentVars vagrantEnvVars
+                dependsOn up, setupPackagingTest
+                finalizedBy halt
+                args '--command', 'set -e; for jar in $PACKAGING_TESTS/*.jar; do java -jar $jar; done'
+            }
 
             TaskExecutionAdapter groovyPackagingReproListener = createReproListener(project, groovyPackagingTest.path)
             groovyPackagingTest.doFirst {

qa/vagrant/build.gradle

@@ -17,8 +17,27 @@
  * under the License.
  */
 
-apply plugin: 'elasticsearch.vagrantsupport'
-apply plugin: 'elasticsearch.vagrant'
+plugins {
+  id 'groovy'
+  id 'application'
+  id 'com.github.johnrengelman.shadow' version '2.0.2'
+  id 'elasticsearch.build'
+  id 'elasticsearch.vagrantsupport'
+  id 'elasticsearch.vagrant'
+}
+
+dependencies {
+  compile localGroovy()
+  compile "org.hamcrest:hamcrest-all:${versions.hamcrest}"
+  runtime project(':libs:elasticsearch-core') // needs to be on the classpath for JarHell
+  packagingTest project(path: project.path, configuration: 'shadow')
+}
+
+shadowJar {
+  dependencies {
+    exclude(project(":libs:elasticsearch-core")) // isn't needed in tests
+  }
+}
 
 List<String> plugins = []
 for (Project subproj : project.rootProject.subprojects) {
@@ -39,3 +58,16 @@ setupPackagingTest {
     expectedPlugins.setText(plugins.join('\n'), 'UTF-8')
   }
 }
+
+mainClassName = 'org.elasticsearch.packaging.PackagingMain'
+
+tasks.test.enabled = false
+
+tasks.dependencyLicenses.enabled = false
+tasks.dependenciesInfo.enabled = false
+
+tasks.thirdPartyAudit.enabled = false
+
+tasks.forbiddenApis.enabled = false
+tasks.forbiddenApisMain.enabled = false
+tasks.forbiddenApisTest.enabled = false

qa/vagrant/src/main/groovy/org/elasticsearch/packaging/PackagingMain.groovy

@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+package org.elasticsearch.packaging
+
+/**
+ * This class doesn't do anything yet
+ */
+class PackagingMain {
+    static void main(String[] args) {}
+}