Rename aws.ai.agent.type to aws.service.type for agent observability (#415)

*Description of changes:*
- Rename `aws.ai.agent.type` to/and set ` aws.service.type` with default
value `gen_ai_agent` if no custom set
 - rename 

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Author: mxiamxia

aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_attribute_keys.py

@@ -33,4 +33,4 @@
 AWS_LAMBDA_FUNCTION_NAME: str = "aws.lambda.function.name"
 AWS_LAMBDA_RESOURCEMAPPING_ID: str = "aws.lambda.resource_mapping.id"
 AWS_LAMBDA_FUNCTION_ARN: str = "aws.lambda.function.arn"
-AWS_AI_AGENT_TYPE: str = "aws.ai.agent.type"
+AWS_SERVICE_TYPE: str = "aws.service.type"

aws-opentelemetry-distro/src/amazon/opentelemetry/distro/aws_opentelemetry_configurator.py

@@ -9,7 +9,7 @@
 from importlib_metadata import version
 from typing_extensions import override
 
-from amazon.opentelemetry.distro._aws_attribute_keys import AWS_AI_AGENT_TYPE, AWS_LOCAL_SERVICE
+from amazon.opentelemetry.distro._aws_attribute_keys import AWS_LOCAL_SERVICE, AWS_SERVICE_TYPE
 from amazon.opentelemetry.distro._aws_resource_attribute_configurator import get_service_attribute
 from amazon.opentelemetry.distro._utils import is_agent_observability_enabled, is_installed
 from amazon.opentelemetry.distro.always_record_sampler import AlwaysRecordSampler
@@ -558,10 +558,10 @@ def _customize_resource(resource: Resource) -> Resource:
     custom_attributes = {AWS_LOCAL_SERVICE: service_name}
 
     if is_agent_observability_enabled():
-        # Add aws.ai.agent.type if it doesn't exist in the resource
-        if resource and resource.attributes.get(AWS_AI_AGENT_TYPE) is None:
+        # Add aws.service.type if it doesn't exist in the resource
+        if resource and resource.attributes.get(AWS_SERVICE_TYPE) is None:
             # Set a default agent type for AI agent observability
-            custom_attributes[AWS_AI_AGENT_TYPE] = "default"
+            custom_attributes[AWS_SERVICE_TYPE] = "gen_ai_agent"
 
     return resource.merge(Resource.create(custom_attributes))
 

aws-opentelemetry-distro/tests/amazon/opentelemetry/distro/test_aws_opentelementry_configurator.py

@@ -10,7 +10,7 @@
 
 from requests import Session
 
-from amazon.opentelemetry.distro._aws_attribute_keys import AWS_AI_AGENT_TYPE, AWS_LOCAL_SERVICE
+from amazon.opentelemetry.distro._aws_attribute_keys import AWS_LOCAL_SERVICE, AWS_SERVICE_TYPE
 from amazon.opentelemetry.distro.always_record_sampler import AlwaysRecordSampler
 from amazon.opentelemetry.distro.attribute_propagating_span_processor import AttributePropagatingSpanProcessor
 from amazon.opentelemetry.distro.aws_batch_unsampled_span_processor import BatchUnsampledSpanProcessor
@@ -1106,7 +1106,7 @@ def test_customize_resource_without_agent_observability(self, mock_get_service_a
 
         # Should only have AWS_LOCAL_SERVICE added
         self.assertEqual(result.attributes[AWS_LOCAL_SERVICE], "test-service")
-        self.assertNotIn(AWS_AI_AGENT_TYPE, result.attributes)
+        self.assertNotIn(AWS_SERVICE_TYPE, result.attributes)
 
     @patch("amazon.opentelemetry.distro.aws_opentelemetry_configurator.is_agent_observability_enabled")
     @patch("amazon.opentelemetry.distro.aws_opentelemetry_configurator.get_service_attribute")
@@ -1120,9 +1120,9 @@ def test_customize_resource_with_agent_observability_default(
         resource = Resource.create({ResourceAttributes.SERVICE_NAME: "test-service"})
         result = _customize_resource(resource)
 
-        # Should have both AWS_LOCAL_SERVICE and AWS_AI_AGENT_TYPE with default value
+        # Should have both AWS_LOCAL_SERVICE and AWS_SERVICE_TYPE with default value
         self.assertEqual(result.attributes[AWS_LOCAL_SERVICE], "test-service")
-        self.assertEqual(result.attributes[AWS_AI_AGENT_TYPE], "default")
+        self.assertEqual(result.attributes[AWS_SERVICE_TYPE], "gen_ai_agent")
 
     @patch("amazon.opentelemetry.distro.aws_opentelemetry_configurator.is_agent_observability_enabled")
     @patch("amazon.opentelemetry.distro.aws_opentelemetry_configurator.get_service_attribute")
@@ -1133,13 +1133,13 @@ def test_customize_resource_with_existing_agent_type(self, mock_get_service_attr
 
         # Create resource with existing agent type
         resource = Resource.create(
-            {ResourceAttributes.SERVICE_NAME: "test-service", AWS_AI_AGENT_TYPE: "existing-agent"}
+            {ResourceAttributes.SERVICE_NAME: "test-service", AWS_SERVICE_TYPE: "existing-agent"}
         )
         result = _customize_resource(resource)
 
         # Should preserve existing agent type and not override it
         self.assertEqual(result.attributes[AWS_LOCAL_SERVICE], "test-service")
-        self.assertEqual(result.attributes[AWS_AI_AGENT_TYPE], "existing-agent")
+        self.assertEqual(result.attributes[AWS_SERVICE_TYPE], "existing-agent")
 
 
 def validate_distro_environ():