Publish a BOM (#2339)

Author: Anuraag Agrawal

bom-alpha/bom-alpha.gradle

@@ -0,0 +1,39 @@
+plugins {
+  id("java-platform")
+}
+
+apply from: "$rootDir/gradle/publish.gradle"
+
+description = "OpenTelemetry Instrumentation Bill of Materials (Alpha)"
+group = "io.opentelemetry.instrumentation"
+archivesBaseName = "opentelemetry-instrumentation-bom-alpha"
+
+rootProject.subprojects.forEach { subproject ->
+  if (!project.name.startsWith("bom")) {
+    evaluationDependsOn(subproject.path)
+  }
+}
+
+javaPlatform {
+  allowDependencies()
+}
+
+dependencies {
+  api(platform("io.opentelemetry:opentelemetry-bom:${versions.opentelemetry}"))
+  api(platform("io.opentelemetry:opentelemetry-bom-alpha:${versions.opentelemetryAlpha}"))
+}
+
+afterEvaluate {
+  dependencies {
+    constraints {
+      rootProject.subprojects.sort { "$it.archivesBaseName" }
+        .collect { it }
+        .findAll { it.name != project.name && it.name != 'javaagent'}
+        .forEach { project ->
+          project.plugins.withId("maven-publish") {
+            api(project)
+          }
+        }
+    }
+  }
+}

gradle/publish.gradle

@@ -23,7 +23,12 @@ publishing {
         artifact sourcesJar
         artifact javadocJar
       } else {
-        from components.java
+        project.plugins.withId("java-platform") {
+          from(components["javaPlatform"])
+        }
+        project.plugins.withId("java-library") {
+          from components.java
+        }
       }
 
       def stable = findProperty("otel.stable") ?: false
@@ -47,7 +52,6 @@ publishing {
 
       pom {
         name = 'OpenTelemetry Instrumentation for Java'
-        packaging = 'jar'
         url = 'https://github.com/open-telemetry/opentelemetry-java-instrumentation'
 
         licenses {

settings.gradle

@@ -40,6 +40,7 @@ include ':javaagent-tooling'
 include ':javaagent'
 include ':load-generator'
 
+include ':bom-alpha'
 include ':instrumentation-api'
 include ':javaagent-api'