Delay generation of costly config elements

dd-java-agent/agent-bootstrap/src/main/java/datadog/trace/bootstrap/Agent.java

@@ -929,7 +929,7 @@ private static boolean isFeatureEnabled(AgentFeature feature) {
     }
   }
 
-  /** @see datadog.trace.api.ProductActivationConfig#fromString(String) */
+  /** @see datadog.trace.api.ProductActivation#fromString(String) */
   private static boolean isAppSecFullyDisabled() {
     // must be kept in sync with logic from Config!
     final String featureEnabledSysprop = AgentFeature.APPSEC.systemProp;

dd-java-agent/agent-builder/src/main/java/datadog/trace/agent/tooling/AgentInstaller.java

@@ -7,10 +7,9 @@
 import datadog.trace.agent.tooling.bytebuddy.DDOutlinePoolStrategy;
 import datadog.trace.agent.tooling.bytebuddy.SharedTypePools;
 import datadog.trace.agent.tooling.bytebuddy.matcher.DDElementMatchers;
-import datadog.trace.api.Config;
 import datadog.trace.api.InstrumenterConfig;
 import datadog.trace.api.IntegrationsCollector;
-import datadog.trace.api.ProductActivationConfig;
+import datadog.trace.api.ProductActivation;
 import datadog.trace.bootstrap.FieldBackedContextAccessor;
 import datadog.trace.bootstrap.instrumentation.java.concurrent.ExcludeFilter;
 import datadog.trace.util.AgentTaskScheduler;
@@ -49,18 +48,14 @@ public class AgentInstaller {
 
   public static void installBytebuddyAgent(final Instrumentation inst) {
     /*
-     * ByteBuddy agent is used by tracing, profiling, appsec and civisibility and since they can
-     * be enabled independently we need to install the agent when either of them
-     * is active.
+     * ByteBuddy agent is used by several systems which can be enabled independently;
+     * we need to install the agent whenever any of them is active.
      */
-    if (Config.get().isTraceEnabled()
-        || Config.get().isProfilingEnabled()
-        || Config.get().getAppSecEnabledConfig() != ProductActivationConfig.FULLY_DISABLED
-        || Config.get().isIastEnabled()
-        || Config.get().isCiVisibilityEnabled()) {
-      installBytebuddyAgent(inst, false, new AgentBuilder.Listener[0]);
+    Set<Instrumenter.TargetSystem> enabledSystems = getEnabledSystems();
+    if (!enabledSystems.isEmpty()) {
+      installBytebuddyAgent(inst, false, enabledSystems);
       if (DEBUG) {
-        log.debug("Class instrumentation installed");
+        log.debug("Instrumentation installed for {}", enabledSystems);
       }
       int poolCleaningInterval = InstrumenterConfig.get().getResolverResetInterval();
       if (poolCleaningInterval > 0) {
@@ -71,19 +66,19 @@ public static void installBytebuddyAgent(final Instrumentation inst) {
             TimeUnit.SECONDS);
       }
     } else if (DEBUG) {
-      log.debug("There are not any enabled subsystems, not installing instrumentations.");
+      log.debug("No target systems enabled, skipping instrumentation.");
     }
   }
 
   /**
    * Install the core bytebuddy agent along with all implementations of {@link Instrumenter}.
    *
-   * @param inst Java Instrumentation used to install bytebuddy
    * @return the agent's class transformer
    */
   public static ResettableClassFileTransformer installBytebuddyAgent(
       final Instrumentation inst,
       final boolean skipAdditionalLibraryMatcher,
+      final Set<Instrumenter.TargetSystem> enabledSystems,
       final AgentBuilder.Listener... listeners) {
     Utils.setInstrumentation(inst);
 
@@ -154,7 +149,6 @@ public static ResettableClassFileTransformer installBytebuddyAgent(
     AgentTransformerBuilder transformerBuilder = new AgentTransformerBuilder(agentBuilder);
 
     int installedCount = 0;
-    Set<Instrumenter.TargetSystem> enabledSystems = getEnabledSystems();
     for (Instrumenter instrumenter : instrumenters) {
       if (!instrumenter.isApplicable(enabledSystems)) {
         if (DEBUG) {
@@ -177,7 +171,7 @@ public static ResettableClassFileTransformer installBytebuddyAgent(
       log.debug("Installed {} instrumenter(s)", installedCount);
     }
 
-    if (Config.get().isTelemetryEnabled()) {
+    if (InstrumenterConfig.get().isTelemetryEnabled()) {
       InstrumenterState.setObserver(
           new InstrumenterState.Observer() {
             @Override
@@ -195,17 +189,17 @@ public void applied(Iterable<String> instrumentationNames) {
     }
   }
 
-  private static Set<Instrumenter.TargetSystem> getEnabledSystems() {
+  public static Set<Instrumenter.TargetSystem> getEnabledSystems() {
     EnumSet<Instrumenter.TargetSystem> enabledSystems =
         EnumSet.noneOf(Instrumenter.TargetSystem.class);
-    Config cfg = Config.get();
+    InstrumenterConfig cfg = InstrumenterConfig.get();
     if (cfg.isTraceEnabled()) {
       enabledSystems.add(Instrumenter.TargetSystem.TRACING);
     }
     if (cfg.isProfilingEnabled()) {
       enabledSystems.add(Instrumenter.TargetSystem.PROFILING);
     }
-    if (cfg.getAppSecEnabledConfig() != ProductActivationConfig.FULLY_DISABLED) {
+    if (cfg.getAppSecActivation() != ProductActivation.FULLY_DISABLED) {
       enabledSystems.add(Instrumenter.TargetSystem.APPSEC);
     }
     if (cfg.isIastEnabled()) {

dd-java-agent/agent-installer/src/main/java/datadog/trace/agent/installer/AgentInstaller.java

@@ -8,7 +8,7 @@
 import datadog.trace.agent.tooling.WeakMaps;
 import datadog.trace.api.Config;
 import datadog.trace.api.Platform;
-import datadog.trace.api.ProductActivationConfig;
+import datadog.trace.api.ProductActivation;
 import datadog.trace.bootstrap.instrumentation.java.concurrent.ExcludeFilter;
 import java.lang.instrument.ClassFileTransformer;
 import java.lang.instrument.Instrumentation;
@@ -38,7 +38,7 @@ public class AgentInstaller {
   public static void installBytebuddyAgent(Instrumentation inst) {
     if (Config.get().isTraceEnabled()
         || Config.get().isProfilingEnabled()
-        || Config.get().getAppSecEnabledConfig() != ProductActivationConfig.FULLY_DISABLED
+        || Config.get().getAppSecActivation() != ProductActivation.FULLY_DISABLED
         || Config.get().isCiVisibilityEnabled()) {
       Utils.setInstrumentation(inst);
       installClassTransformer(inst);
@@ -175,7 +175,7 @@ private static Set<Instrumenter.TargetSystem> getEnabledSystems() {
     if (cfg.isProfilingEnabled()) {
       enabledSystems.add(Instrumenter.TargetSystem.PROFILING);
     }
-    if (cfg.getAppSecEnabledConfig() != ProductActivationConfig.FULLY_DISABLED) {
+    if (cfg.getAppSecActivation() != ProductActivation.FULLY_DISABLED) {
       enabledSystems.add(Instrumenter.TargetSystem.APPSEC);
     }
     if (cfg.isCiVisibilityEnabled()) {

dd-java-agent/agent-tooling/src/main/java/datadog/trace/agent/tooling/Instrumenter.java

@@ -34,14 +34,15 @@
  */
 public interface Instrumenter {
   /**
-   * Since several subsystems are sharing the same instrumentation infrastructure in order to enable
-   * only the applicable {@link Instrumenter instrumenters} on startup each {@linkplain
-   * Instrumenter} type must declare its target system. Four systems are currently supported
+   * Since several systems share the same instrumentation infrastructure in order to enable only the
+   * applicable {@link Instrumenter instrumenters} on startup each {@linkplain Instrumenter} type
+   * must declare its target system. Five systems are currently supported:
    *
    * <ul>
    *   <li>{@link TargetSystem#TRACING tracing}
    *   <li>{@link TargetSystem#PROFILING profiling}
    *   <li>{@link TargetSystem#APPSEC appsec}
+   *   <li>{@link TargetSystem#IAST iast}
    *   <li>{@link TargetSystem#CIVISIBILITY ci-visibility}
    * </ul>
    */

dd-java-agent/appsec/src/main/java/com/datadog/appsec/AppSecSystem.java

@@ -13,7 +13,7 @@
 import datadog.communication.monitor.Monitoring;
 import datadog.remoteconfig.ConfigurationPoller;
 import datadog.trace.api.Config;
-import datadog.trace.api.ProductActivationConfig;
+import datadog.trace.api.ProductActivation;
 import datadog.trace.api.gateway.SubscriptionService;
 import datadog.trace.api.time.SystemTimeSource;
 import datadog.trace.bootstrap.ActiveSubsystems;
@@ -50,8 +50,8 @@ public static void start(SubscriptionService gw, SharedCommunicationObjects sco)
 
   private static void doStart(SubscriptionService gw, SharedCommunicationObjects sco) {
     final Config config = Config.get();
-    ProductActivationConfig appSecEnabledConfig = config.getAppSecEnabledConfig();
-    if (appSecEnabledConfig == ProductActivationConfig.FULLY_DISABLED) {
+    ProductActivation appSecEnabledConfig = config.getAppSecActivation();
+    if (appSecEnabledConfig == ProductActivation.FULLY_DISABLED) {
       log.debug("AppSec: disabled");
       return;
     }
@@ -81,7 +81,7 @@ private static void doStart(SubscriptionService gw, SharedCommunicationObjects s
     loadModules(eventDispatcher);
     gatewayBridge.init();
 
-    setActive(appSecEnabledConfig == ProductActivationConfig.FULLY_ENABLED);
+    setActive(appSecEnabledConfig == ProductActivation.FULLY_ENABLED);
 
     APP_SEC_CONFIG_SERVICE.maybeSubscribeConfigPolling();
 

dd-java-agent/appsec/src/main/java/com/datadog/appsec/powerwaf/PowerWAFModule.java

@@ -17,7 +17,7 @@
 import com.google.auto.service.AutoService;
 import com.squareup.moshi.*;
 import datadog.trace.api.Config;
-import datadog.trace.api.ProductActivationConfig;
+import datadog.trace.api.ProductActivation;
 import datadog.trace.api.gateway.Flow;
 import io.sqreen.powerwaf.Additive;
 import io.sqreen.powerwaf.Powerwaf;
@@ -164,8 +164,8 @@ public void config(AppSecModuleConfigurer appSecConfigService)
     Optional<Object> initialConfig =
         appSecConfigService.addSubConfigListener("waf", this::applyConfig);
 
-    ProductActivationConfig appSecEnabledConfig = Config.get().getAppSecEnabledConfig();
-    if (appSecEnabledConfig == ProductActivationConfig.FULLY_ENABLED) {
+    ProductActivation appSecEnabledConfig = Config.get().getAppSecActivation();
+    if (appSecEnabledConfig == ProductActivation.FULLY_ENABLED) {
       if (!initialConfig.isPresent()) {
         throw new AppSecModuleActivationException("No initial config for WAF");
       }

dd-java-agent/instrumentation/aws-java-sqs-2.0/src/main/java/datadog/trace/instrumentation/aws/v2/sqs/SqsJmsMessageInstrumentation.java

@@ -21,11 +21,6 @@ public SqsJmsMessageInstrumentation() {
     super("aws-sdk");
   }
 
-  @Override
-  protected boolean defaultEnabled() {
-    return super.defaultEnabled() && Config.get().isSqsPropagationEnabled();
-  }
-
   @Override
   public String instrumentedType() {
     return "com.amazon.sqs.javamessaging.message.SQSMessage";
@@ -44,13 +39,15 @@ public static class CopyTracePropertyAdvice {
     public static void onExit(
         @Advice.Argument(2) Message sqsMessage, @Advice.FieldValue("properties") Map properties)
         throws JMSException {
-      Map<String, String> systemAttributes = sqsMessage.attributesAsStrings();
-      if (null != systemAttributes) {
-        String awsTraceHeader = systemAttributes.get("AWSTraceHeader");
-        if (null != awsTraceHeader && !awsTraceHeader.isEmpty()) {
-          properties.put(
-              "x__dash__amzn__dash__trace__dash__id", // X-Amzn-Trace-Id, encoded for JMS
-              new SQSMessage.JMSMessagePropertyValue(awsTraceHeader, STRING));
+      if (Config.get().isSqsPropagationEnabled()) {
+        Map<String, String> systemAttributes = sqsMessage.attributesAsStrings();
+        if (null != systemAttributes) {
+          String awsTraceHeader = systemAttributes.get("AWSTraceHeader");
+          if (null != awsTraceHeader && !awsTraceHeader.isEmpty()) {
+            properties.put(
+                "x__dash__amzn__dash__trace__dash__id", // X-Amzn-Trace-Id, encoded for JMS
+                new SQSMessage.JMSMessagePropertyValue(awsTraceHeader, STRING));
+          }
         }
       }
     }

dd-java-agent/instrumentation/aws-java-sqs-2.0/src/main/java/datadog/trace/instrumentation/aws/v2/sqs/SqsReceiveRequestInstrumentation.java

@@ -20,11 +20,6 @@ public SqsReceiveRequestInstrumentation() {
     super("aws-sdk");
   }
 
-  @Override
-  protected boolean defaultEnabled() {
-    return super.defaultEnabled() && Config.get().isSqsPropagationEnabled();
-  }
-
   @Override
   public String instrumentedType() {
     return "software.amazon.awssdk.services.sqs.model.ReceiveMessageRequest$BuilderImpl";
@@ -47,15 +42,17 @@ public static void onEntry(
         @Advice.FieldValue(value = "attributeNames", readOnly = false)
             List<String> attributeNames) {
       // ReceiveMessageRequest.BuilderImpl maintains an immutable list which we may need to replace
-      for (String name : attributeNames) {
-        if ("AWSTraceHeader".equals(name) || "All".equals(name)) {
-          return;
+      if (Config.get().isSqsPropagationEnabled()) {
+        for (String name : attributeNames) {
+          if ("AWSTraceHeader".equals(name) || "All".equals(name)) {
+            return;
+          }
         }
+        int oldLength = attributeNames.size();
+        String[] nameArray = attributeNames.toArray(new String[oldLength + 1]);
+        nameArray[oldLength] = "AWSTraceHeader";
+        attributeNames = asList(nameArray);
       }
-      int oldLength = attributeNames.size();
-      String[] nameArray = attributeNames.toArray(new String[oldLength + 1]);
-      nameArray[oldLength] = "AWSTraceHeader";
-      attributeNames = asList(nameArray);
     }
   }
 }

dd-java-agent/instrumentation/java-directbytebuffer/src/main/java/datadog/trace/instrumentation/directbytebuffer/ByteBufferInstrumentation.java

@@ -8,7 +8,7 @@
 
 import com.google.auto.service.AutoService;
 import datadog.trace.agent.tooling.Instrumenter;
-import datadog.trace.api.Config;
+import datadog.trace.api.InstrumenterConfig;
 import datadog.trace.api.Platform;
 
 @AutoService(Instrumenter.class)
@@ -26,7 +26,7 @@ public boolean isEnabled() {
 
   @Override
   protected boolean defaultEnabled() {
-    return Config.get().isDirectAllocationProfilingEnabled();
+    return InstrumenterConfig.get().isDirectAllocationProfilingEnabled();
   }
 
   @Override

dd-java-agent/instrumentation/java-directbytebuffer/src/main/java/datadog/trace/instrumentation/directbytebuffer/DirectByteBufferInstrumentation.java

@@ -6,7 +6,7 @@
 
 import com.google.auto.service.AutoService;
 import datadog.trace.agent.tooling.Instrumenter;
-import datadog.trace.api.Config;
+import datadog.trace.api.InstrumenterConfig;
 import datadog.trace.api.Platform;
 
 @AutoService(Instrumenter.class)
@@ -24,7 +24,7 @@ public boolean isEnabled() {
 
   @Override
   protected boolean defaultEnabled() {
-    return Config.get().isDirectAllocationProfilingEnabled();
+    return InstrumenterConfig.get().isDirectAllocationProfilingEnabled();
   }
 
   @Override

dd-java-agent/instrumentation/java-directbytebuffer/src/main/java/datadog/trace/instrumentation/directbytebuffer/FileChannelImplInstrumentation.java

@@ -7,7 +7,7 @@
 
 import com.google.auto.service.AutoService;
 import datadog.trace.agent.tooling.Instrumenter;
-import datadog.trace.api.Config;
+import datadog.trace.api.InstrumenterConfig;
 import datadog.trace.api.Platform;
 
 @AutoService(Instrumenter.class)
@@ -25,7 +25,7 @@ public boolean isEnabled() {
 
   @Override
   protected boolean defaultEnabled() {
-    return Config.get().isDirectAllocationProfilingEnabled();
+    return InstrumenterConfig.get().isDirectAllocationProfilingEnabled();
   }
 
   @Override

dd-java-agent/instrumentation/jetty-11/src/main/java/datadog/trace/instrumentation/jetty11/JettyServerInstrumentation.java

@@ -11,7 +11,7 @@
 import datadog.trace.agent.tooling.ExcludeFilterProvider;
 import datadog.trace.agent.tooling.Instrumenter;
 import datadog.trace.api.Config;
-import datadog.trace.api.ProductActivationConfig;
+import datadog.trace.api.ProductActivation;
 import datadog.trace.bootstrap.instrumentation.java.concurrent.ExcludeFilter;
 import datadog.trace.instrumentation.jetty9.HttpChannelHandleVisitor;
 import java.security.ProtectionDomain;
@@ -111,7 +111,7 @@ public ClassVisitor wrap(
         MethodList<?> methods,
         int writerFlags,
         int readerFlags) {
-      if (Config.get().getAppSecEnabledConfig() == ProductActivationConfig.FULLY_DISABLED) {
+      if (Config.get().getAppSecActivation() == ProductActivation.FULLY_DISABLED) {
         return classVisitor;
       }
 

dd-java-agent/instrumentation/jetty-7.0/src/main/java/datadog/trace/instrumentation/jetty70/JettyServerInstrumentation.java

@@ -14,7 +14,7 @@
 import datadog.trace.api.Config;
 import datadog.trace.api.CorrelationIdentifier;
 import datadog.trace.api.GlobalTracer;
-import datadog.trace.api.ProductActivationConfig;
+import datadog.trace.api.ProductActivation;
 import datadog.trace.bootstrap.InstrumentationContext;
 import datadog.trace.bootstrap.instrumentation.api.AgentScope;
 import datadog.trace.bootstrap.instrumentation.api.AgentSpan;
@@ -119,7 +119,7 @@ public ClassVisitor wrap(
         MethodList<?> methods,
         int writerFlags,
         int readerFlags) {
-      if (Config.get().getAppSecEnabledConfig() == ProductActivationConfig.FULLY_DISABLED) {
+      if (Config.get().getAppSecActivation() == ProductActivation.FULLY_DISABLED) {
         return classVisitor;
       }
 

dd-java-agent/instrumentation/jetty-7.6/src/main/java/datadog/trace/instrumentation/jetty76/JettyServerInstrumentation.java

@@ -13,7 +13,7 @@
 import datadog.trace.api.Config;
 import datadog.trace.api.CorrelationIdentifier;
 import datadog.trace.api.GlobalTracer;
-import datadog.trace.api.ProductActivationConfig;
+import datadog.trace.api.ProductActivation;
 import datadog.trace.bootstrap.InstrumentationContext;
 import datadog.trace.bootstrap.instrumentation.api.AgentScope;
 import datadog.trace.bootstrap.instrumentation.api.AgentSpan;
@@ -118,7 +118,7 @@ public ClassVisitor wrap(
         MethodList<?> methods,
         int writerFlags,
         int readerFlags) {
-      if (Config.get().getAppSecEnabledConfig() == ProductActivationConfig.FULLY_DISABLED) {
+      if (Config.get().getAppSecActivation() == ProductActivation.FULLY_DISABLED) {
         return classVisitor;
       }
 

dd-java-agent/instrumentation/jetty-9/src/main/java/datadog/trace/instrumentation/jetty9/JettyServerInstrumentation.java

@@ -17,7 +17,7 @@
 import datadog.trace.api.Config;
 import datadog.trace.api.CorrelationIdentifier;
 import datadog.trace.api.GlobalTracer;
-import datadog.trace.api.ProductActivationConfig;
+import datadog.trace.api.ProductActivation;
 import datadog.trace.bootstrap.instrumentation.api.AgentScope;
 import datadog.trace.bootstrap.instrumentation.api.AgentSpan;
 import datadog.trace.bootstrap.instrumentation.java.concurrent.ExcludeFilter;
@@ -133,7 +133,7 @@ public ClassVisitor wrap(
         MethodList<?> methods,
         int writerFlags,
         int readerFlags) {
-      if (Config.get().getAppSecEnabledConfig() == ProductActivationConfig.FULLY_DISABLED) {
+      if (Config.get().getAppSecActivation() == ProductActivation.FULLY_DISABLED) {
         return classVisitor;
       }