Convert examples/distro Gradle build to Kotlin

.github/scripts/update-sdk-version.sh

@@ -4,6 +4,6 @@ version=$1
 
 sed -Ei "s/val otelSdkVersion = \"[^\"]*\"/val otelSdkVersion = \"$version\"/" dependencyManagement/build.gradle.kts
 
-sed -Ei "s/(opentelemetrySdk *: )\"[^\"]*\"/\1\"$version\"/" examples/distro/build.gradle
+sed -Ei "s/(\"opentelemetrySdk\" to )\"[^\"]*\"/\1\"$version\"/" examples/distro/build.gradle.kts
 
 sed -Ei "s/(opentelemetrySdk *: )\"[^\"]*\"/\1\"$version\"/" examples/extension/build.gradle

.github/scripts/update-version.sh

@@ -11,10 +11,12 @@ fi
 sed -Ei "s/val stableVersion = \"[^\"]*\"/val stableVersion = \"$version\"/" version.gradle.kts
 sed -Ei "s/val alphaVersion = \"[^\"]*\"/val alphaVersion = \"$alpha_version\"/" version.gradle.kts
 
-sed -Ei "s/(opentelemetryJavaagent *: )\"[^\"]*\"/\1\"$version\"/" examples/distro/build.gradle
-sed -Ei "s/(opentelemetryJavaagentAlpha *: )\"[^\"]*\"/\1\"$alpha_version\"/" examples/distro/build.gradle
+sed -Ei "s/(\"opentelemetryJavaagent\" to )\"[^\"]*\"/\1\"$version\"/" examples/distro/build.gradle.kts
+sed -Ei "s/(\"opentelemetryJavaagentAlpha\" to )\"[^\"]*\"/\1\"$alpha_version\"/" examples/distro/build.gradle.kts
+
+sed -Ei "s/(classpath\(\"io\.opentelemetry\.instrumentation:gradle-plugins:)[^\"]*(\"\)\))/\1$alpha_version\2/" examples/distro/build.gradle.kts
+
 
-sed -Ei "s/(classpath \"io.opentelemetry.instrumentation:gradle-plugins:)[^\"]*\"/\1$alpha_version\"/" examples/distro/build.gradle
 
 sed -Ei "s/(opentelemetryJavaagent *: )\"[^\"]*\"/\1\"$version\"/" examples/extension/build.gradle
 sed -Ei "s/(opentelemetryJavaagentAlpha *: )\"[^\"]*\"/\1\"$alpha_version\"/" examples/extension/build.gradle

examples/distro/build.gradle.kts

@@ -0,0 +1,88 @@
+group = "io.opentelemetry.example"
+version = "1.0-SNAPSHOT"
+
+buildscript {
+  repositories {
+    maven {
+      url = uri("https://plugins.gradle.org/m2/")
+    }
+    maven {
+      name = "sonatype"
+      url = uri("https://central.sonatype.com/repository/maven-snapshots/")
+    }
+  }
+  dependencies {
+    classpath("com.diffplug.spotless:spotless-plugin-gradle:8.1.0")
+    classpath("com.gradleup.shadow:shadow-gradle-plugin:9.3.1")
+    classpath("io.opentelemetry.instrumentation:gradle-plugins:2.24.0-alpha-SNAPSHOT")
+  }
+}
+
+subprojects {
+  version = rootProject.version
+
+  apply(plugin = "java")
+  apply(plugin = "com.diffplug.spotless")
+
+  val versions = mapOf(
+    // this line is managed by .github/scripts/update-sdk-version.sh
+    "opentelemetrySdk" to "1.58.0",
+
+    // these lines are managed by .github/scripts/update-version.sh
+    "opentelemetryJavaagent" to "2.24.0-SNAPSHOT",
+    "opentelemetryJavaagentAlpha" to "2.24.0-alpha-SNAPSHOT",
+
+    "autoservice" to "1.1.1"
+  )
+
+  val deps = mapOf(
+    "autoservice" to listOf(
+      "com.google.auto.service:auto-service:${versions["autoservice"]}",
+      "com.google.auto.service:auto-service-annotations:${versions["autoservice"]}"
+    )
+  )
+
+  extra["versions"] = versions
+  extra["deps"] = deps
+
+  repositories {
+    mavenCentral()
+    maven {
+      name = "sonatype"
+      url = uri("https://central.sonatype.com/repository/maven-snapshots/")
+    }
+  }
+
+  configure<com.diffplug.gradle.spotless.SpotlessExtension> {
+    java {
+      googleJavaFormat()
+      licenseHeaderFile(rootProject.file("../../buildscripts/spotless.license.java"), "(package|import|public)")
+      target("src/**/*.java")
+    }
+  }
+
+  plugins.withType<JavaPlugin> {
+    dependencies {
+      add("implementation", platform("io.opentelemetry:opentelemetry-bom:${versions["opentelemetrySdk"]}"))
+
+      // these serve as a test of the instrumentation boms
+      add("implementation", platform("io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom:${versions["opentelemetryJavaagent"]}"))
+      add("implementation", platform("io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha:${versions["opentelemetryJavaagentAlpha"]}"))
+
+      add("testImplementation", "org.mockito:mockito-core:5.21.0")
+
+      add("testImplementation", enforcedPlatform("org.junit:junit-bom:5.14.2"))
+      add("testImplementation", "org.junit.jupiter:junit-jupiter-api")
+      add("testRuntimeOnly", "org.junit.jupiter:junit-jupiter-engine")
+      add("testRuntimeOnly", "org.junit.platform:junit-platform-launcher")
+    }
+  }
+
+  tasks.named<Test>("test") {
+    useJUnitPlatform()
+  }
+
+  tasks.named<JavaCompile>("compileJava") {
+    options.release.set(8)
+  }
+}