enable llmobs agentless with parsed api_key

Author: sabrenner

datadog_lambda/wrapper.py

@@ -56,10 +56,16 @@
 if profiling_env_var:
     from ddtrace.profiling import profiler
 
+llmobs_api_key = None
 llmobs_env_var = os.environ.get("DD_LLMOBS_ENABLED", "false").lower() in ("true", "1")
 if llmobs_env_var:
+    from datadog_lambda.api import init_api
+    from datadog import api
     from ddtrace.llmobs import LLMObs
 
+    init_api()
+    llmobs_api_key = api._api_key
+
 logger = logging.getLogger(__name__)
 
 DD_FLUSH_TO_LOG = "DD_FLUSH_TO_LOG"
@@ -229,7 +235,10 @@ def __init__(self, func):
 
             # Enable LLM Observability
             if llmobs_env_var:
-                LLMObs.enable()
+                LLMObs.enable(
+                    agentless_enabled=True,
+                    api_key=llmobs_api_key,
+                )
 
             logger.debug("datadog_lambda_wrapper initialized")
         except Exception as e: