Only include exporters in -all jar. (#3286)

* Only include exporters in -all jar.

* override exporter

* Newline

javaagent-exporters/javaagent-exporters.gradle

@@ -0,0 +1,21 @@
+// Project to collect and shade exporter dependencies included in the agent's full distribution.
+
+plugins {
+  id "otel.shadow-conventions"
+}
+
+apply from: "$rootDir/gradle/java.gradle"
+
+dependencies {
+  implementation "io.opentelemetry:opentelemetry-exporter-jaeger"
+  implementation "io.opentelemetry:opentelemetry-exporter-otlp"
+  implementation "io.opentelemetry:opentelemetry-exporter-otlp-metrics"
+
+  implementation "io.opentelemetry:opentelemetry-exporter-prometheus"
+  implementation "io.prometheus:simpleclient"
+  implementation "io.prometheus:simpleclient_httpserver"
+
+  implementation "io.opentelemetry:opentelemetry-exporter-zipkin"
+
+  implementation "io.grpc:grpc-netty-shaded:1.35.1"
+}

javaagent-tooling/javaagent-tooling.gradle

@@ -35,16 +35,9 @@ dependencies {
     exclude group: 'io.opentelemetry', module: 'opentelemetry-sdk-common'
   }
 
-  implementation "io.opentelemetry:opentelemetry-exporter-jaeger"
+  // Only the logging exporter is included in our slim distribution so we include it here.
+  // Other exporters are in javaagent-exporters
   implementation "io.opentelemetry:opentelemetry-exporter-logging"
-  implementation "io.opentelemetry:opentelemetry-exporter-otlp"
-  implementation "io.opentelemetry:opentelemetry-exporter-otlp-metrics"
-
-  implementation "io.opentelemetry:opentelemetry-exporter-prometheus"
-  implementation "io.prometheus:simpleclient"
-  implementation "io.prometheus:simpleclient_httpserver"
-
-  implementation "io.opentelemetry:opentelemetry-exporter-zipkin"
 
   api "net.bytebuddy:byte-buddy"
   implementation "net.bytebuddy:byte-buddy-agent"
@@ -53,11 +46,16 @@ dependencies {
   implementation "org.slf4j:slf4j-api"
   implementation "com.google.guava:guava"
 
-  implementation "io.grpc:grpc-netty-shaded:1.35.1"
-
   testImplementation project(':testing-common')
   testImplementation "org.assertj:assertj-core"
   testImplementation "org.mockito:mockito-core"
 
   instrumentationMuzzle sourceSets.main.output
 }
+
+// Here we only include autoconfigure but don't include OTLP exporters to ensure they are only in
+// the full distribution. We need to override the default exporter setting of OTLP as a result.
+tasks.withType(Test).configureEach {
+  environment "OTEL_TRACES_EXPORTER", "none"
+  environment "OTEL_METRICS_EXPORTER", "none"
+}

javaagent/javaagent.gradle

@@ -53,8 +53,10 @@ CopySpec isolateSpec(Collection<Project> projectsWithShadowJar) {
 
 //Includes everything needed for OOTB experience
 shadowJar {
-  dependsOn ':instrumentation:shadowJar'
-  def projectsWithShadowJar = [project(':instrumentation')]
+  def projectsWithShadowJar = [project(':instrumentation'), project(":javaagent-exporters")]
+  projectsWithShadowJar.each {
+    dependsOn("${it.path}:shadowJar")
+  }
   with isolateSpec(projectsWithShadowJar)
 }
 

settings.gradle

@@ -58,6 +58,7 @@ include ':opentelemetry-api-shaded-for-instrumenting'
 include ':opentelemetry-ext-annotations-shaded-for-instrumenting'
 include ':javaagent-bootstrap'
 include ':javaagent-bootstrap-tests'
+include ':javaagent-exporters'
 include ':javaagent-extension-api'
 include ':javaagent-tooling'
 include ':javaagent'