updating patch for v1.33.6 + adding Fast Startup feature

Author: srprash

lambda-layer/.gitignore

@@ -3,3 +3,9 @@
 
 # Ignore Gradle build output directory
 build
+
+# Ignore Terraform state files
+.terraform
+*.tfstate
+*.tfstate.backup
+*.lock.hcl

lambda-layer/otel-instrument

@@ -35,4 +35,25 @@ else
     export OTEL_RESOURCE_ATTRIBUTES="$LAMBDA_RESOURCE_ATTRIBUTES,$OTEL_RESOURCE_ATTRIBUTES";
 fi
 
-exec "$@"
+ARGS=("$@")
+EXTRA_ARGS=()
+
+if [ "${OTEL_JAVA_AGENT_FAST_STARTUP_ENABLED}" == "true" ]; then
+  echo "[OTEL] Enabling fast startup mode ..."
+  # Disable bytecode verification
+  EXTRA_ARGS+=("-Xverify:none")
+  # Be sure that tiered compilation is enabled
+  EXTRA_ARGS+=("-XX:+TieredCompilation")
+  # Stop tiered compilation at level 1
+  EXTRA_ARGS+=("-XX:TieredStopAtLevel=1")
+  for i in "${!ARGS[@]}"; do
+    # If tiered compilation is disabled, ignore it as we enable it at level 1 for fast startup
+    if [[ ${ARGS[i]} = "-XX:-TieredCompilation" ]]; then
+      unset 'ARGS[i]'
+    fi
+  done
+fi
+
+ARGS=("${ARGS[0]}" "${EXTRA_ARGS[@]}" "${ARGS[@]:1}")
+
+exec "${ARGS[@]}"

lambda-layer/patches/aws-otel-java-instrumentation.patch

@@ -6,8 +6,8 @@ index 9493189..6090207 100644
  val TEST_SNAPSHOTS = rootProject.findProperty("testUpstreamSnapshots") == "true"
 
  // This is the version of the upstream instrumentation BOM
--val otelVersion = "1.32.1-adot2"
-+val otelVersion = "1.32.1-adot-lambda1"
- val otelSnapshotVersion = "1.33.0"
+-val otelVersion = "1.33.6-adot1"
++val otelVersion = "1.33.6-adot-lambda1"
+ val otelSnapshotVersion = "1.33.6"
  val otelAlphaVersion = if (!TEST_SNAPSHOTS) "$otelVersion-alpha" else "$otelSnapshotVersion-alpha-SNAPSHOT"
  val otelJavaAgentVersion = if (!TEST_SNAPSHOTS) otelVersion else "$otelSnapshotVersion-SNAPSHOT"

lambda-layer/patches/opentelemetry-java-instrumentation.patch

@@ -636,10 +636,10 @@ index cc1414c0bf..db8a59b046 100644
 --- a/version.gradle.kts
 +++ b/version.gradle.kts
 @@ -1,5 +1,5 @@
--val stableVersion = "1.32.1"
--val alphaVersion = "1.32.1-alpha"
-+val stableVersion = "1.32.1-adot-lambda1"
-+val alphaVersion = "1.32.1-adot-lambda1-alpha"
+-val stableVersion = "1.33.6"
+-val alphaVersion = "1.33.6-alpha"
++val stableVersion = "1.33.6-adot-lambda1"
++val alphaVersion = "1.33.6-adot-lambda1-alpha"
 
  allprojects {
    if (findProperty("otel.stable") != "true") {