create metricexporterfactory by default
MODIFY
javaagent-tooling/src/main/java/io/opentelemetry/javaagent/tooling/TracerInstaller.java
javaagent-tooling/src/main/java/io/opentelemetry/javaagent/tooling/TracerInstaller.java
@@ -70,6 +70,30 @@ public class TracerInstaller {
log.warn("No {} span exporter found", exporterName);
log.warn("No valid span exporter found. Tracing will run but spans are dropped");
}
+
+ MetricExporterFactory metricExporterFactory = findMetricExporterFactory(exporterName);
+ if (metricExporterFactory != null) {
+ DefaultExporterConfig config = new DefaultExporterConfig("exporter");
+ installExporter(metricExporterFactory, config);
+ } else {
+ log.debug("No {} metric exporter found", exporterName);
+ }
+ }
+
+ private static MetricExporterFactory findMetricExporterFactory(String exporterName) {
+ ServiceLoader<MetricExporterFactory> serviceLoader =
+ ServiceLoader.load(MetricExporterFactory.class, TracerInstaller.class.getClassLoader());
+
+ for (MetricExporterFactory metricExporterFactory : serviceLoader) {
+ if (metricExporterFactory
+ .getClass()
+ .getSimpleName()
+ .toLowerCase()
+ .startsWith(exporterName.toLowerCase())) {
+ return metricExporterFactory;
+ }
+ }
+ return null;
}
private static SpanExporterFactory findSpanExporterFactory(String exporterName) {

create metricexporterfactory by default (#1098)