suztomo commented on a change in pull request #14028:
URL: https://github.com/apache/beam/pull/14028#discussion_r591837126



##########
File path: 
buildSrc/src/main/groovy/org/apache/beam/gradle/GrpcVendoring_1_36_0.groovy
##########
@@ -0,0 +1,221 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.beam.gradle
+
+/**
+ * Utilities for working with our vendored version of gRPC.
+ */
+class GrpcVendoring_1_36_0 {
+
+  static def guava_version = "30.1-jre"
+  static def protobuf_version = "3.15.3"
+  static def grpc_version = "1.36.0"
+  static def gson_version = "2.8.6"
+  // tcnative version from 
https://github.com/grpc/grpc-java/blob/master/SECURITY.md#netty
+  static def netty_version = "4.1.52.Final"
+  // google-auth-library version from 
https://search.maven.org/artifact/io.grpc/grpc-auth/1.36.0/jar
+  static def google_auth_version = "0.22.2"
+  static def proto_google_common_protos_version = "2.0.1"
+  static def opencensus_version = "0.28.0"
+  static def perfmark_version = "0.23.0"
+  static def lzma_java_version = "1.3"
+  static def protobuf_javanano_version = "3.0.0-alpha-5"
+  static def jzlib_version = "1.1.3"
+  static def compress_lzf_version = "1.0.3"
+  static def lz4_version = "1.3.0"
+  static def bouncycastle_version = "1.54"
+  static def conscrypt_version = "2.5.1"
+
+  /** Returns the list of compile time dependencies. */
+  static List<String> dependencies() {
+    return [
+      "com.google.guava:guava:$guava_version",
+      "com.google.protobuf:protobuf-java:$protobuf_version",
+      "com.google.protobuf:protobuf-java-util:$protobuf_version",
+      "com.google.code.gson:gson:$gson_version",
+      "io.grpc:grpc-auth:$grpc_version",
+      "io.grpc:grpc-core:$grpc_version",
+      "io.grpc:grpc-context:$grpc_version",
+      "io.grpc:grpc-netty:$grpc_version",
+      "io.grpc:grpc-protobuf:$grpc_version",
+      "io.grpc:grpc-stub:$grpc_version",
+      "io.netty:netty-transport-native-epoll:$netty_version",
+      // tcnative version from 
https://github.com/grpc/grpc-java/blob/master/SECURITY.md#netty
+      "io.netty:netty-tcnative-boringssl-static:2.0.34.Final",
+      "com.google.auth:google-auth-library-credentials:$google_auth_version",
+      "io.grpc:grpc-testing:$grpc_version",
+      
"com.google.api.grpc:proto-google-common-protos:$proto_google_common_protos_version",
+      "io.opencensus:opencensus-api:$opencensus_version",
+      "io.opencensus:opencensus-contrib-grpc-metrics:$opencensus_version",
+      "io.perfmark:perfmark-api:$perfmark_version",
+      "com.github.jponge:lzma-java:$lzma_java_version",
+      "com.google.protobuf.nano:protobuf-javanano:$protobuf_javanano_version",
+      "com.jcraft:jzlib:$jzlib_version",
+      "com.ning:compress-lzf:$compress_lzf_version",
+      "net.jpountz.lz4:lz4:$lz4_version",
+      "org.bouncycastle:bcpkix-jdk15on:$bouncycastle_version",
+      "org.bouncycastle:bcprov-jdk15on:$bouncycastle_version",
+    ]
+  }
+
+  /**
+   * Returns the list of runtime time dependencies that should be exported as 
runtime
+   * dependencies within the vendored jar.
+   */
+  static List<String> runtimeDependencies() {
+    return [
+      'com.google.errorprone:error_prone_annotations:2.4.0',
+      'commons-logging:commons-logging:1.2',
+      'org.apache.logging.log4j:log4j-api:2.6.2',
+      'org.slf4j:slf4j-api:1.7.30',
+      // TODO(BEAM-9288): Enable relocation for conscrypt
+      "org.conscrypt:conscrypt-openjdk-uber:$conscrypt_version"
+    ]
+  }
+
+  /**
+   * Returns the list of test dependencies.
+   */
+  static List<String> testDependencies() {
+    return [
+      'junit:junit:4.12',
+    ]
+  }
+
+  static Map<String, String> relocations() {
+    // The relocation paths below specifically use gRPC and the full version 
string as
+    // the code relocation prefix. See 
https://lists.apache.org/thread.html/4c12db35b40a6d56e170cd6fc8bb0ac4c43a99aa3cb7dbae54176815@%3Cdev.beam.apache.org%3E
+    // for further details.
+
+    // To produce the list of necessary relocations, one needs to start with a 
set of target
+    // packages that one wants to vendor, find all necessary transitive 
dependencies of that
+    // set and provide relocations for each such that all necessary packages 
and their
+    // dependencies are relocated. Any optional dependency that doesn't need 
relocation
+    // must be excluded via an 'exclude' rule. There is additional complexity 
of libraries that use
+    // JNI or reflection and have to be handled on case by case basis by 
learning whether
+    // they support relocation and how would one go about doing it by reading 
any documentation
+    // those libraries may provide. The 
'validateShadedJarDoesntLeakNonOrgApacheBeamClasses'
+    // ensures that there are no classes outside of the 'org.apache.beam' 
namespace.
+
+    String version = "v1p36p0";
+    String prefix = "org.apache.beam.vendor.grpc.${version}";
+    List<String> packagesToRelocate = [
+      // guava uses the com.google.common and com.google.thirdparty package 
namespaces
+      "com.google.common",
+      "com.google.thirdparty",
+      "com.google.protobuf",
+      "com.google.gson",
+      "com.google.auth",
+      "com.google.api",
+      "com.google.cloud",
+      "com.google.logging",
+      "com.google.longrunning",
+      "com.google.rpc",
+      "com.google.type",
+      "io.grpc",
+      "io.netty",
+      "io.opencensus",
+      "io.perfmark",
+      "com.google.protobuf.nano",
+      "com.jcraft",
+      "com.ning",
+      "com.sun",
+      "lzma",
+      "net.jpountz",
+      "org.bouncycastle",
+      "org.cservenak.streams",
+    ]
+
+    return packagesToRelocate.collectEntries {
+      [ (it): "${prefix}.${it}" ]
+    } + [
+      // Adapted from 
https://github.com/grpc/grpc-java/blob/e283f70ad91f99c7fee8b31b605ef12a4f9b1690/netty/shaded/build.gradle#L41
+      // We       "io.netty": "${prefix}.io.netty",have to be careful with 
these replacements as they must not match any
+      // string in NativeLibraryLoader, else they cause corruption. Note that
+      // this includes concatenation of string literals and constants.
+      'META-INF/native/libnetty': 
"META-INF/native/liborg_apache_beam_vendor_grpc_${version}_netty",
+      'META-INF/native/netty': 
"META-INF/native/org_apache_beam_vendor_grpc_${version}_netty",
+    ]
+  }
+
+  /** Returns the list of shading exclusions. */
+  static List<String> exclusions() {
+    return [
+      // Don't include android annotations, errorprone, checkerframework, JDK8 
annotations, objenesis, junit,
+      // commons-logging, log4j, slf4j and mockito in the vendored jar
+      "android/annotation/**/",
+      "com/google/errorprone/**",
+      "com/google/instrumentation/**",
+      "com/google/j2objc/annotations/**",
+      "io/grpc/testing/**",
+      "io/netty/handler/codec/marshalling/**",
+      "io/netty/handler/ssl/ConscryptAlpnSslEngine*",
+      "io/netty/handler/ssl/JettyAlpnSslEngine*",
+      "io/netty/handler/ssl/JettyNpnSslEngine*",
+      "io/netty/handler/ssl/JdkAlpnApplicationProtocolNegotiator*",
+      "io/netty/handler/ssl/JdkNpnApplicationProtocolNegotiator*",
+      "io/netty/util/internal/logging/CommonsLogger*",
+      "io/netty/util/internal/logging/LocationAwareSlf4JLogger*",
+      "io/netty/util/internal/logging/Log4JLogger*",
+      "io/netty/util/internal/logging/Log4J2Logger*",
+      "io/netty/util/internal/logging/Slf4JLogger*",

Review comment:
       One of them might cause test failure:
   
   ```
   > Task :sdks:java:harness:test
   WARNING: An illegal reflective access operation has occurred
   WARNING: Illegal reflective access by 
org.powermock.reflect.internal.WhiteboxImpl 
(file:/home/runner/work/beam/beam/sdks/java/harness/build/libs/beam-sdks-java-harness-2.29.0-SNAPSHOT-tests.jar)
 to method java.lang.Object.clone()
   WARNING: Please consider reporting this to the maintainers of 
org.powermock.reflect.internal.WhiteboxImpl
   WARNING: Use --illegal-access=warn to enable warnings of further illegal 
reflective access operations
   WARNING: All illegal access operations will be denied in a future release
   
   org.apache.beam.fn.harness.FnHarnessTest > 
testLaunchFnHarnessAndTeardownCleanly FAILED
       java.lang.NoClassDefFoundError at FnHarnessTest.java:150
           Caused by: java.lang.ClassNotFoundException at FnHarnessTest.java:150
   ```




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