Fix repository-hdfs when no docker and unnecesary fixture

The hdfs-fixture is actually executed in plugin/repository-hdfs as a
dependency. The fixture is not needed and actually causes a failure
because we have two copies now and both use the same ports.

plugins/repository-hdfs/build.gradle

@@ -79,6 +79,7 @@ for (String fixtureName : ['hdfsFixture', 'haHdfsFixture', 'secureHdfsFixture',
     dependsOn project.configurations.hdfsFixture, project(':test:fixtures:krb5kdc-fixture').tasks.postProcessFixture
     executable = new File(project.runtimeJavaHome, 'bin/java')
     env 'CLASSPATH', "${ -> project.configurations.hdfsFixture.asPath }"
+    onlyIf {  project(':test:fixtures:krb5kdc-fixture').buildFixture.enabled }
     waitCondition = { fixture, ant ->
       // the hdfs.MiniHDFS fixture writes the ports file when
       // it's ready, so we can just wait for the file to exist

test/fixtures/hdfs-fixture/build.gradle

@@ -18,23 +18,10 @@
  */
 
 apply plugin: 'elasticsearch.build'
-apply plugin: 'elasticsearch.test.fixtures'
 
 dependencies {
   compile "org.apache.hadoop:hadoop-minicluster:2.8.1"
 }
 
-task syncClasses(type: Sync) {
-  from sourceSets.test.runtimeClasspath
-  into "${buildDir}/fixture"
-}
-
-preProcessFixture {
-  dependsOn syncClasses
-
-  doLast {
-    file("${buildDir}/shared").mkdirs()
-  }
-}
-
 unitTest.enabled = false
+thirdPartyAudit.enabled = false

test/fixtures/hdfs-fixture/docker-compose.yml

@@ -1,12 +0,0 @@
-version: '3'
-services:
-  hdfs:
-    hostname: hdfs.build.elastic.co
-    image: ubuntu:14.04
-    volumes:
-      - ./build/fixture:/fixture
-    ports:
-        # FIXME: Don't fix the host ports  
-      - "9999:9999"
-      - "9998:9999"
-    entrypoint:  apt-get update && apt-get install net-tools && java -cp "/fixture:/fixture/*" hdfs.MiniHDFS /data