Add Publishing Step for UDP Exporter (#1075)

*Issue #, if available:*

*Description of changes:*
1. Add Publishing Step for UDP Exporter to Sonatype/MavenCentral
2. Update exporter package name from
`aws-opentelemetry-xray-udp-span-exporter` to
`aws-distro-opentelemetry-xray-udp-span-exporter`
3. Update udp testing sample app name to `udp-exporter-test-app`

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

Author: jj22ee

.github/workflows/pr-build.yml

@@ -90,7 +90,7 @@ jobs:
 
       - name: Build and Test UDP exporter
         run: |
-          ./gradlew build -p exporters/aws-opentelemetry-xray-udp-span-exporter
+          ./gradlew build -p exporters/aws-distro-opentelemetry-xray-udp-span-exporter
 
       - name: Set up Java version for tests
         uses: actions/setup-java@v4

.github/workflows/release-udp-exporter.yml

@@ -3,13 +3,14 @@ name: Release ADOT X-Ray UDP Exporter
 on:
   workflow_dispatch:
     inputs:
-      version:
+      udp-exporter-version:
         description: The version to tag the release with, e.g., 1.2.0
         required: true
         type: string
 
 permissions:
   id-token: write
+  contents: write
 
 jobs:
   validate-udp-exporter-e2e-test:
@@ -21,6 +22,7 @@ jobs:
 
   release-udp-exporter:
     runs-on: ubuntu-latest
+    needs: validate-udp-exporter-e2e-test
     steps:
       - name: Checkout Repo @ SHA - ${{ github.sha }}
         uses: actions/checkout@v4
@@ -34,6 +36,33 @@ jobs:
 
       - name: Build and Test UDP exporter
         run: |
-          ./gradlew build -p exporters/aws-opentelemetry-xray-udp-span-exporter
+          ./gradlew build -p exporters/aws-distro-opentelemetry-xray-udp-span-exporter
 
-      # TODO: Steps to publish to Maven Central
+      - name: Validate project version matches workflow input
+        run: |
+          xrayUdpSpanExporterVersion=$(./gradlew -q printVersion -p exporters/aws-distro-opentelemetry-xray-udp-span-exporter)
+          if [[ ! "$xrayUdpSpanExporterVersion" == "${{ inputs.udp-exporter-version }}" ]]; then
+            echo "Input version '${{ inputs.udp-exporter-version }}' does not match with the UDP Exporter project version '$xrayUdpSpanExporterVersion'"
+            exit 1
+          fi
+
+      - name: Build and publish to sonatype
+        run: ./gradlew -p exporters/aws-distro-opentelemetry-xray-udp-span-exporter publishToSonatype closeAndReleaseSonatypeStagingRepository --stacktrace
+        env:
+          PUBLISH_TOKEN_USERNAME: ${{ secrets.PUBLISH_TOKEN_USERNAME }}
+          PUBLISH_TOKEN_PASSWORD: ${{ secrets.PUBLISH_TOKEN_PASSWORD }}
+          GRGIT_USER: ${{ secrets.GITHUB_TOKEN }}
+          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+
+      # Publish to GitHub releases
+      - name: Create GH release
+        id: create_release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        run: |
+          gh release create --target "$GITHUB_REF_NAME" \
+            --title "Release aws-distro-opentelemetry-xray-udp-span-exporter v${{ inputs.udp-exporter-version }}" \
+            --notes "Please refer to the [Changelog](https://github.com/aws-observability/aws-otel-java-instrumentation/blob/main/exporters/aws-distro-opentelemetry-xray-udp-span-exporter/CHANGELOG.md) for more details" \
+            --draft \
+            "v${{ inputs.udp-exporter-version }}"

.github/workflows/udp-exporter-e2e-test.yml

@@ -38,14 +38,16 @@ jobs:
 
       - name: Publish UDP exporter to Maven Local
         id: build-udp-exporter
-        working-directory: exporters/aws-opentelemetry-xray-udp-span-exporter
         run: |
-          gradle build 
-          gradle publishToMavenLocal
-          echo "xrayUdpSpanExporterVersion=$(gradle -q printVersion)" >> $GITHUB_OUTPUT
+          ./gradlew build -p exporters/aws-distro-opentelemetry-xray-udp-span-exporter
+          ./gradlew publishToMavenLocal -p exporters/aws-distro-opentelemetry-xray-udp-span-exporter
+          echo "xrayUdpSpanExporterVersion=$(./gradlew -q printVersion -p exporters/aws-distro-opentelemetry-xray-udp-span-exporter)" >> $GITHUB_OUTPUT
+        env:
+          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
 
       - name: Setup and Run Sample App in Background
-        working-directory: sample-apps/integ-test-app
+        working-directory: sample-apps/udp-exporter-test-app
         run: |
           export XRAY_UDP_SPAN_EXPORTER_VERSION=${{ steps.build-udp-exporter.outputs.xrayUdpSpanExporterVersion }}
           echo "Running Sample App against X-Ray UDP Span Exporter version: $XRAY_UDP_SPAN_EXPORTER_VERSION"

exporters/aws-distro-opentelemetry-xray-udp-span-exporter/CHANGELOG.md

@@ -0,0 +1 @@
+# Release History: aws-distro-opentelemetry-xray-udp-span-exporter

exporters/aws-opentelemetry-xray-udp-span-exporter/build.gradle.kts renamed to exporters/aws-distro-opentelemetry-xray-udp-span-exporter/build.gradle.kts

@@ -17,9 +17,12 @@ plugins {
   id("java")
   id("java-library")
   id("maven-publish")
+  id("signing")
+  id("io.github.gradle-nexus.publish-plugin")
+  id("nebula.release")
 }
 
-group = "software.amazon.distro.opentelemetry.exporter.xray.udp.trace"
+group = "software.amazon.distro.opentelemetry"
 version = "0.1.0"
 
 dependencies {
@@ -40,6 +43,8 @@ dependencies {
 java {
   withSourcesJar()
   withJavadocJar()
+  sourceCompatibility = JavaVersion.VERSION_1_8
+  targetCompatibility = JavaVersion.VERSION_1_8
 }
 
 tasks.javadoc {
@@ -93,13 +98,64 @@ tasks.create("printVersion") {
   }
 }
 
-publishing {
-  publications {
-    create<MavenPublication>("mavenJava") {
-      from(components["java"])
-      groupId = project.group.toString()
-      artifactId = "aws-opentelemetry-xray-udp-span-exporter"
-      version = project.version.toString()
+nexusPublishing {
+  repositories {
+    sonatype {
+      nexusUrl.set(uri("https://aws.oss.sonatype.org/service/local/"))
+      snapshotRepositoryUrl.set(uri("https://aws.oss.sonatype.org/content/repositories/snapshots/"))
+      username.set(System.getenv("PUBLISH_TOKEN_USERNAME"))
+      password.set(System.getenv("PUBLISH_TOKEN_PASSWORD"))
     }
   }
 }
+
+plugins.withId("maven-publish") {
+  plugins.apply("signing")
+
+  configure<PublishingExtension> {
+    publications {
+      register<MavenPublication>("maven") {
+        from(components["java"])
+
+        pom {
+          name.set("AWS Distro for OpenTelemetry X-Ray UDP Exporter")
+          description.set(
+            "AWS X-Ray UDP Exporter for OpenTelemetry Java"
+          )
+          url.set("https:/github.com/aws-observability/aws-otel-java-instrumentation")
+          licenses {
+            license {
+              name.set("Apache License, Version 2.0")
+              url.set("https://aws.amazon.com/apache2.0")
+              distribution.set("repo")
+            }
+          }
+          developers {
+            developer {
+              id.set("amazonwebservices")
+              organization.set("Amazon Web Services")
+              organizationUrl.set("https://aws.amazon.com")
+              roles.add("developer")
+            }
+          }
+          scm {
+            connection.set("scm:git:git@github.com:aws-observability/aws-otel-java-instrumentation.git")
+            developerConnection.set("scm:git:git@github.com:aws-observability/aws-otel-java-instrumentation.git")
+            url.set("https://github.com/aws-observability/aws-otel-java-instrumentation.git")
+          }
+        }
+      }
+    }
+  }
+
+  tasks.withType<Sign>().configureEach {
+    onlyIf { System.getenv("CI") == "true" }
+  }
+
+  configure<SigningExtension> {
+    val signingKey = System.getenv("GPG_PRIVATE_KEY")
+    val signingPassword = System.getenv("GPG_PASSPHRASE")
+    useInMemoryPgpKeys(signingKey, signingPassword)
+    sign(the<PublishingExtension>().publications["maven"])
+  }
+}

exporters/aws-distro-opentelemetry-xray-udp-span-exporter/settings.gradle.kts

@@ -0,0 +1,19 @@
+rootProject.name = "aws-distro-opentelemetry-xray-udp-span-exporter"
+
+dependencyResolutionManagement {
+  repositories {
+    mavenCentral()
+    mavenLocal()
+
+    maven {
+      setUrl("https://oss.sonatype.org/content/repositories/snapshots")
+    }
+  }
+}
+
+pluginManagement {
+  plugins {
+    id("io.github.gradle-nexus.publish-plugin") version "2.0.0"
+    id("nebula.release") version "18.0.6"
+  }
+}