Revert "initial commit"

This reverts commit c0d6f5d.

Author: liustve

awsagentprovider/build.gradle.kts

@@ -45,10 +45,6 @@ dependencies {
   // For Udp emitter
   compileOnly("io.opentelemetry:opentelemetry-exporter-otlp-common")
 
-  // For OtlpAwsSpanExporter SigV4 Authentication
-  implementation("software.amazon.awssdk:auth")
-  implementation("software.amazon.awssdk:http-auth-aws")
-
   testImplementation("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure")
   testImplementation("io.opentelemetry:opentelemetry-sdk-testing")
   testImplementation("io.opentelemetry:opentelemetry-extension-aws")

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

@@ -51,7 +51,6 @@
 import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import java.util.regex.Pattern;
 
 /**
  * This customizer performs the following customizations:
@@ -71,8 +70,6 @@
 public class AwsApplicationSignalsCustomizerProvider
     implements AutoConfigurationCustomizerProvider {
   static final String AWS_LAMBDA_FUNCTION_NAME_CONFIG = "AWS_LAMBDA_FUNCTION_NAME";
-  private static final String XRAY_OTLP_ENDPOINT_PATTERN =
-      "^https://xray\\.([a-z0-9-]+)\\.amazonaws\\.com/v1/traces$";
 
   private static final Duration DEFAULT_METRIC_EXPORT_INTERVAL = Duration.ofMinutes(1);
   private static final Logger logger =
@@ -98,9 +95,6 @@ public class AwsApplicationSignalsCustomizerProvider
   private static final String OTEL_JMX_TARGET_SYSTEM_CONFIG = "otel.jmx.target.system";
   private static final String OTEL_EXPORTER_OTLP_TRACES_ENDPOINT_CONFIG =
       "OTEL_EXPORTER_OTLP_TRACES_ENDPOINT";
-  private static final String OTEL_EXPORTER_HTTP_PROTOBUF_PROTOCOL = "http/protobuf";
-  private static final String OTEL_EXPORTER_OTLP_TRACES_PROTOCOL_CONFIG =
-      "OTEL_EXPORTER_OTLP_TRACES_PROTOCOL";
   private static final String AWS_XRAY_DAEMON_ADDRESS_CONFIG = "AWS_XRAY_DAEMON_ADDRESS";
   private static final String DEFAULT_UDP_ENDPOINT = "127.0.0.1:2000";
   private static final String OTEL_DISABLED_RESOURCE_PROVIDERS_CONFIG =
@@ -112,8 +106,6 @@ public class AwsApplicationSignalsCustomizerProvider
   // 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.
   private static final int LAMBDA_SPAN_EXPORT_BATCH_SIZE = 10;
-  private static final boolean isSigV4Enabled =
-      AwsApplicationSignalsCustomizerProvider.isSigV4Enabled();
 
   public void customize(AutoConfigurationCustomizer autoConfiguration) {
     autoConfiguration.addPropertiesCustomizer(this::customizeProperties);
@@ -129,37 +121,6 @@ static boolean isLambdaEnvironment() {
     return System.getenv(AWS_LAMBDA_FUNCTION_NAME_CONFIG) != null;
   }
 
-  static boolean isSigV4Enabled() {
-    String otlpEndpoint = System.getenv(OTEL_EXPORTER_OTLP_TRACES_ENDPOINT_CONFIG);
-    boolean isXrayOtlpEndpoint =
-        otlpEndpoint != null
-            && Pattern.compile(XRAY_OTLP_ENDPOINT_PATTERN)
-                .matcher(otlpEndpoint.toLowerCase())
-                .matches();
-
-    if (isXrayOtlpEndpoint) {
-      logger.log(Level.INFO, "Detected using AWS OTLP XRay Endpoint.");
-
-      String otlpTracesProtocol = System.getenv(OTEL_EXPORTER_OTLP_TRACES_PROTOCOL_CONFIG);
-
-      if (otlpTracesProtocol == null
-          || !otlpTracesProtocol.equals(OTEL_EXPORTER_HTTP_PROTOBUF_PROTOCOL)) {
-        logger.info(
-            String.format(
-                "Improper configuration: Please configure your environment variables and export/set %s=%s",
-                OTEL_EXPORTER_OTLP_TRACES_PROTOCOL_CONFIG, OTEL_EXPORTER_HTTP_PROTOBUF_PROTOCOL));
-        return false;
-      }
-
-      logger.info(
-          String.format(
-              "Proper configuration detected: Now exporting trace span data to %s", otlpEndpoint));
-      return true;
-    }
-
-    return false;
-  }
-
   private boolean isApplicationSignalsEnabled(ConfigProperties configProps) {
     return configProps.getBoolean(
         APPLICATION_SIGNALS_ENABLED_CONFIG,
@@ -260,10 +221,6 @@ private SdkTracerProviderBuilder customizeTracerProviderBuilder(
         return tracerProviderBuilder;
       }
 
-      if (isSigV4Enabled) {
-        return tracerProviderBuilder;
-      }
-
       // Construct meterProvider
       MetricExporter metricsExporter =
           ApplicationSignalsExporterProvider.INSTANCE.createExporter(configProps);
@@ -330,15 +287,6 @@ private SpanExporter customizeSpanExporter(
       }
     }
 
-    // When running OTLP endpoint for X-Ray backend, use custom exporter for SigV4 authentication.
-    if (isSigV4Enabled) {
-      return new OtlpAwsSpanExporter(
-          (OtlpHttpSpanExporter)
-              spanExporter, // can cast here since we've checked that the environment variable is
-          // set to http/protobuf
-          System.getenv(OTEL_EXPORTER_OTLP_TRACES_ENDPOINT_CONFIG));
-    }
-
     if (isApplicationSignalsEnabled(configProps)) {
       return AwsMetricAttributesSpanExporterBuilder.create(
               spanExporter, ResourceHolder.getResource())