Add licenses for transport-nio (#31218)

We have a direct dependency on Netty here so we should be attaching the
licenses. This is needed for accurate dependency-license reporting.

plugins/transport-nio/build.gradle

@@ -22,8 +22,6 @@ esplugin {
     classname 'org.elasticsearch.transport.nio.NioTransportPlugin'
 }
 
-dependencyLicenses.enabled = false
-
 compileJava.options.compilerArgs << "-Xlint:-try"
 compileTestJava.options.compilerArgs << "-Xlint:-rawtypes,-unchecked"
 
@@ -40,6 +38,10 @@ dependencies {
     compile "io.netty:netty-transport:4.1.16.Final"
 }
 
+dependencyLicenses {
+    mapping from: /netty-.*/, to: 'netty'
+}
+
 thirdPartyAudit.excludes = [
         // classes are missing
 

plugins/transport-nio/licenses/netty-LICENSE.txt

@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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plugins/transport-nio/licenses/netty-NOTICE.txt

@@ -0,0 +1,116 @@
+
+                            The Netty Project
+                            =================
+
+Please visit the Netty web site for more information:
+
+  * http://netty.io/
+
+Copyright 2011 The Netty Project
+
+The Netty Project 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.
+
+Also, please refer to each LICENSE.<component>.txt file, which is located in
+the 'license' directory of the distribution file, for the license terms of the
+components that this product depends on.
+
+-------------------------------------------------------------------------------
+This product contains the extensions to Java Collections Framework which has
+been derived from the works by JSR-166 EG, Doug Lea, and Jason T. Greene:
+
+  * LICENSE:
+    * license/LICENSE.jsr166y.txt (Public Domain)
+  * HOMEPAGE:
+    * http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/
+    * http://viewvc.jboss.org/cgi-bin/viewvc.cgi/jbosscache/experimental/jsr166/
+
+This product contains a modified version of Robert Harder's Public Domain
+Base64 Encoder and Decoder, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.base64.txt (Public Domain)
+  * HOMEPAGE:
+    * http://iharder.sourceforge.net/current/java/base64/
+
+This product contains a modified version of 'JZlib', a re-implementation of
+zlib in pure Java, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jzlib.txt (BSD Style License)
+  * HOMEPAGE:
+    * http://www.jcraft.com/jzlib/
+
+This product contains a modified version of 'Webbit', a Java event based
+WebSocket and HTTP server:
+
+  * LICENSE:
+    * license/LICENSE.webbit.txt (BSD License)
+  * HOMEPAGE:
+    * https://github.com/joewalnes/webbit
+
+This product optionally depends on 'Protocol Buffers', Google's data
+interchange format, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.protobuf.txt (New BSD License)
+  * HOMEPAGE:
+    * http://code.google.com/p/protobuf/
+
+This product optionally depends on 'Bouncy Castle Crypto APIs' to generate
+a temporary self-signed X.509 certificate when the JVM does not provide the
+equivalent functionality.  It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.bouncycastle.txt (MIT License)
+  * HOMEPAGE:
+    * http://www.bouncycastle.org/
+
+This product optionally depends on 'SLF4J', a simple logging facade for Java,
+which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.slf4j.txt (MIT License)
+  * HOMEPAGE:
+    * http://www.slf4j.org/
+
+This product optionally depends on 'Apache Commons Logging', a logging
+framework, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.commons-logging.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://commons.apache.org/logging/
+
+This product optionally depends on 'Apache Log4J', a logging framework,
+which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.log4j.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://logging.apache.org/log4j/
+
+This product optionally depends on 'JBoss Logging', a logging framework,
+which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jboss-logging.txt (GNU LGPL 2.1)
+  * HOMEPAGE:
+    * http://anonsvn.jboss.org/repos/common/common-logging-spi/
+
+This product optionally depends on 'Apache Felix', an open source OSGi
+framework implementation, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.felix.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://felix.apache.org/

plugins/transport-nio/licenses/netty-buffer-4.1.16.Final.jar.sha1

@@ -0,0 +1 @@
+63b5fa95c74785e16f2c30ce268bc222e35c8cb5

plugins/transport-nio/licenses/netty-codec-4.1.16.Final.jar.sha1

@@ -0,0 +1 @@
+d84a1f21768b7309c2954521cf5a1f46c2309eb1

plugins/transport-nio/licenses/netty-codec-http-4.1.16.Final.jar.sha1

@@ -0,0 +1 @@
+d64312378b438dfdad84267c599a053327c6f02a

plugins/transport-nio/licenses/netty-common-4.1.16.Final.jar.sha1

@@ -0,0 +1 @@
+177a6b30cca92f6f5f9873c9befd681377a4c328

plugins/transport-nio/licenses/netty-handler-4.1.16.Final.jar.sha1

@@ -0,0 +1 @@
+fec0e63e7dd7f4eeef7ea8dc47a1ff32dfc7ebc2

plugins/transport-nio/licenses/netty-resolver-4.1.16.Final.jar.sha1

@@ -0,0 +1 @@
+f6eb553b53fb3a90a8ac1170697093fed82eae28

plugins/transport-nio/licenses/netty-transport-4.1.16.Final.jar.sha1

@@ -0,0 +1 @@
+3c8ee2c4d4a1cbb947a5c184c7aeb2204260958b