Write deprecation logs to a data stream

server/src/main/java/org/elasticsearch/common/logging/DeprecatedMessage.java

@@ -19,11 +19,11 @@
 
 package org.elasticsearch.common.logging;
 
+import java.util.Map;
+
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.collect.MapBuilder;
 
-import java.util.Map;
-
 /**
  * A logger message used by {@link DeprecationLogger}.
  * Carries x-opaque-id field if provided in the headers. Will populate the x-opaque-id field in JSON logs.

x-pack/plugin/deprecation/build.gradle

@@ -1,5 +1,4 @@
 apply plugin: 'elasticsearch.esplugin'
-apply plugin: 'elasticsearch.internal-cluster-test'
 
 esplugin {
   name 'x-pack-deprecation'
@@ -9,6 +8,15 @@ esplugin {
 }
 archivesBaseName = 'x-pack-deprecation'
 
+// add all sub-projects of the qa sub-project
+gradle.projectsEvaluated {
+  project.subprojects
+    .find { it.path == project.path + ":qa" }
+    .subprojects
+    .findAll { it.path.startsWith(project.path + ":qa") }
+    .each { check.dependsOn it.check }
+}
+
 dependencies {
   compileOnly project(":x-pack:plugin:core")
 }

x-pack/plugin/deprecation/qa/rest/build.gradle

@@ -0,0 +1,27 @@
+apply plugin: 'elasticsearch.esplugin'
+apply plugin: 'elasticsearch.java-rest-test'
+
+esplugin {
+  description 'Deprecated query plugin'
+  classname 'org.elasticsearch.xpack.deprecation.TestDeprecationPlugin'
+}
+
+dependencies {
+  javaRestTestImplementation("com.fasterxml.jackson.core:jackson-annotations:${versions.jackson}")
+  javaRestTestImplementation("com.fasterxml.jackson.core:jackson-databind:${versions.jackson}")
+  // let the javaRestTest see the classpath of main
+  javaRestTestImplementation project.sourceSets.main.runtimeClasspath
+}
+
+restResources {
+  restApi {
+    includeCore '_common', 'indices', 'index'
+  }
+}
+
+testClusters.all {
+  testDistribution = 'DEFAULT'
+  setting 'xpack.security.enabled', 'false'
+}
+
+test.enabled = false