Update gradle (GoogleCloudPlatform#211)

* Update shadow-plugin API to be compatible with gradle v8

* Update gradle wrapper to gradle 8.0.2

* Update GoogleCloudBuild images to use gradle v8

Author: psx95

cloudbuild-e2e-cloud-functions-gen2.yaml

@@ -14,7 +14,7 @@
 
 steps:
   # Generate shadowJar for the instrumented test server
-  - name: "gradle:7.5.1-jdk11"
+  - name: "gradle:8.0.2-jdk11"
     id: generate-jar
     entrypoint: "gradle"
     timeout: 4m

e2e.Dockerfile

@@ -14,7 +14,7 @@
 # limitations under the License.
 
 # Build relative to root of repository i.e. `docker build --file e2e.Dockerfile --tag=$tag ..`
-FROM gradle:7.5.1-jdk11 as builder
+FROM gradle:8.0.2-jdk11 as builder
 
 COPY --chown=gradle:gradle . /app/src
 WORKDIR /app/src

exporters/auto/build.gradle

@@ -42,8 +42,8 @@ dependencies {
 }
 
 
-shadowJar{
-	classifier = null
+shadowJar {
+	archiveClassifier.set('shaded')
 	mergeServiceFiles()
 }
 

gradle/wrapper/gradle-wrapper.jar

@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradle/wrapper/gradle-wrapper.properties

@@ -17,7 +17,7 @@ pluginManagement {
 	plugins {
 		id "com.diffplug.spotless" version "5.9.0"
 		id 'nebula.release' version '15.2.0'
-		id "com.github.johnrengelman.shadow" version "7.1.2"
+		id "com.github.johnrengelman.shadow" version "8.1.1"
 		id 'com.google.cloud.tools.jib' version '3.1.4'
 	}
 }

gradlew

@@ -32,7 +32,7 @@ dependencies {
 }
 
 shadowJar{
-	classifier = null
+	archiveClassifier.set('')
 	relocate 'io.opentelemetry.semconv', 'com.google.cloud.opentelemetry.shadow.semconv'
 	dependencies {
 		exclude(dependency(libraries.opentelemetry_api))