add smoke test

Author: zeitlinger

smoke-tests/src/test/groovy/io/opentelemetry/smoketest/ResourceCustomizerSmokeTest.groovy

@@ -47,6 +47,9 @@ class ResourceCustomizerSmokeTest extends SmokeTest {
     client().get("/greeting").aggregate().join()
     Collection<ExportTraceServiceRequest> traces = waitForTraces()
 
+    then: "There is one trace"
+    traces.size() > 0
+
     then: "declarative config is applied"
     def serviceName = findResourceAttribute(traces, "service.name")
         .map { it.stringValue }
@@ -65,7 +68,7 @@ class ResourceCustomizerSmokeTest extends SmokeTest {
         .map { it.stringValue }
         .findAny()
     distroName.isPresent()
-    serviceName.get() == "opentelemetry-java-instrumentation"
+    distroName.get() == "opentelemetry-java-instrumentation"
 
     cleanup:
     stopTarget()

smoke-tests/src/test/resources/declarative-config.yaml

@@ -1,4 +1,14 @@
 file_format: 1.0-rc.1
+
+tracer_provider:
+  processors:
+    - batch:
+        schedule_delay: 10
+        max_export_batch_size: 1
+        exporter:
+          otlp_grpc:
+            endpoint: ${OTEL_EXPORTER_OTLP_ENDPOINT}
+
 # add extra resource attributes to verify that declarative config is picked up
 resource:
   attributes: