chore: add warning to ADK deployment if tracing is disabled.

PiperOrigin-RevId: 826025444

Author: vertex-sdk-bot

tests/unit/vertex_adk/test_agent_engine_templates_adk.py

@@ -709,6 +709,22 @@ def test_enable_tracing_warning(self, caplog):
         # app.set_up()
         # assert "enable_tracing=True but proceeding with tracing disabled" in caplog.text
 
+    # TODO(b/384730642): Re-enable this test once the parent issue is fixed.
+    # @pytest.mark.parametrize(
+    #     "enable_tracing,want_warning",
+    #     [
+    #         (True, False),
+    #         (False, True),
+    #         (None, False),
+    #     ],
+    # )
+    # @pytest.mark.usefixtures("caplog")
+    # def test_tracing_disabled_warning(self, enable_tracing, want_warning, caplog):
+    #     _ = agent_engines.AdkApp(agent=_TEST_AGENT, enable_tracing=enable_tracing)
+    #     assert (
+    #         "[WARNING] Your 'enable_tracing=False' setting" in caplog.text
+    #     ) == want_warning
+
     @mock.patch.dict(os.environ)
     def test_span_content_capture_disabled_by_default(self):
         app = agent_engines.AdkApp(agent=_TEST_AGENT)

tests/unit/vertex_adk/test_reasoning_engine_templates_adk.py

@@ -688,6 +688,25 @@ def test_enable_tracing_warning(self, caplog):
         # app.set_up()
         # assert "enable_tracing=True but proceeding with tracing disabled" in caplog.text
 
+    # TODO(b/384730642): Re-enable this test once the parent issue is fixed.
+    # @pytest.mark.parametrize(
+    #     "enable_tracing,want_warning",
+    #     [
+    #         (True, False),
+    #         (False, True),
+    #         (None, False),
+    #     ],
+    # )
+    # @pytest.mark.usefixtures("caplog")
+    # def test_tracing_disabled_warning(self, enable_tracing, want_warning, caplog):
+    #     app = reasoning_engines.AdkApp(
+    #         agent=Agent(name=_TEST_AGENT_NAME, model=_TEST_MODEL),
+    #         enable_tracing=enable_tracing
+    #     )
+    #     assert (
+    #         "[WARNING] Your 'enable_tracing=False' setting" in caplog.text
+    #     ) == want_warning
+
 
 def test_dump_event_for_json():
     from google.adk.events import event

vertexai/agent_engines/templates/adk.py

@@ -711,6 +711,25 @@ def set_up(self):
 
         custom_instrumentor = self._tmpl_attrs.get("instrumentor_builder")
 
+        if self._tmpl_attrs.get("enable_tracing") is False:
+            _warn(
+                (
+                    "Your 'enable_tracing=False' setting is being deprecated "
+                    "and will be removed in a future release.\n"
+                    "This legacy setting overrides the new Cloud Console toggle "
+                    "and environment variable controls.\n"
+                    "Impact: The Cloud Console may incorrectly show telemetry as "
+                    "'On' when it is actually 'Off', and the UI toggle will not "
+                    "work.\n"
+                    "Action: To fix this and control telemetry, please remove the "
+                    "'enable_tracing' parameter from your deployment code.\n"
+                    "You can then use the "
+                    "'GOOGLE_CLOUD_AGENT_ENGINE_ENABLE_TELEMETRY' "
+                    "environment variable or the toggle in the Cloud Console: "
+                    "https://console.cloud.google.com/vertex-ai/agents."
+                ),
+            )
+
         if custom_instrumentor and self._tracing_enabled():
             self._tmpl_attrs["instrumentor"] = custom_instrumentor(project)
 

vertexai/preview/reasoning_engines/templates/adk.py

@@ -644,6 +644,25 @@ def set_up(self):
         else:
             os.environ["ADK_CAPTURE_MESSAGE_CONTENT_IN_SPANS"] = "false"
 
+        if self._tmpl_attrs.get("enable_tracing") is False:
+            _warn(
+                (
+                    "Your 'enable_tracing=False' setting is being deprecated "
+                    "and will be removed in a future release.\n"
+                    "This legacy setting overrides the new Cloud Console toggle "
+                    "and environment variable controls.\n"
+                    "Impact: The Cloud Console may incorrectly show telemetry as "
+                    "'On' when it is actually 'Off', and the UI toggle will not "
+                    "work.\n"
+                    "Action: To fix this and control telemetry, please remove the "
+                    "'enable_tracing' parameter from your deployment code.\n"
+                    "You can then use the "
+                    "'GOOGLE_CLOUD_AGENT_ENGINE_ENABLE_TELEMETRY' "
+                    "environment variable or the toggle in the Cloud Console: "
+                    "https://console.cloud.google.com/vertex-ai/agents."
+                ),
+            )
+
         enable_logging = bool(self._telemetry_enabled())
 
         self._tmpl_attrs["instrumentor"] = _default_instrumentor_builder(