set the default values of some of the system properties for non lambda env

Author: shiyangy-xray

awsagentprovider/src/main/java/software/amazon/opentelemetry/javaagent/providers/AwsApplicationSignalsCustomizerProvider.java

@@ -102,6 +102,14 @@ public class AwsApplicationSignalsCustomizerProvider
   private static final String OTEL_BSP_MAX_EXPORT_BATCH_SIZE_CONFIG =
       "otel.bsp.max.export.batch.size";
 
+  private static final String OTEL_METRICS_EXPORTER = "otel.metrics.exporter";
+  private static final String OTEL_LOGS_EXPORTER = "otel.logs.exporter";
+  private static final String OTEL_AWS_APPLICATION_SIGNALS_EXPORTER_ENDPOINT = "otel.aws.application.signals.exporter.endpoint";
+  private static final String OTEL_EXPORTER_OTLP_PROTOCOL = "otel.exporter.otlp.protocol";
+  private static final String OTEL_EXPORTER_OTLP_TRACES_ENDPOINT = "otel.exporter.otlp.traces.endpoint";
+  private static final String OTEL_TRACES_SAMPLER = "otel.traces.sampler";
+  private static final String OTEL_TRACES_SAMPLER_ARG = "otel.traces.sampler.arg";
+
   // UDP packet can be upto 64KB. To limit the packet size, we limit the exported batch size.
   // This is a bit of a magic number, as there is no simple way to tell how many spans can make a
   // 64KB batch since spans can vary in size.
@@ -140,6 +148,17 @@ private Map<String, String> customizeProperties(ConfigProperties configProps) {
       // Enable AWS Resource Providers
       propsOverride.put(OTEL_RESOURCE_PROVIDERS_AWS_ENABLED, "true");
 
+      if (!isLambdaEnvironment()) {
+        // Set default values for non Lambda environment
+        propsOverride.put(OTEL_METRICS_EXPORTER, "none");
+        propsOverride.put(OTEL_LOGS_EXPORTER, "none");
+        propsOverride.put(OTEL_AWS_APPLICATION_SIGNALS_EXPORTER_ENDPOINT, "http://localhost:4316/v1/metrics");
+        propsOverride.put(OTEL_EXPORTER_OTLP_PROTOCOL, "http/protobuf");
+        propsOverride.put(OTEL_EXPORTER_OTLP_TRACES_ENDPOINT, "http://localhost:4316/v1/traces");
+        propsOverride.put(OTEL_TRACES_SAMPLER, "xray");
+        propsOverride.put(OTEL_TRACES_SAMPLER_ARG, "endpoint=http://localhost:2000");
+      }
+
       if (isApplicationSignalsRuntimeEnabled(configProps)) {
         List<String> list = configProps.getList(OTEL_JMX_TARGET_SYSTEM_CONFIG);
         if (list.contains("jvm")) {