Remove Polling for updates status message

awscli/customizations/ecs/expressgateway/display_strategy.py

@@ -199,8 +199,6 @@ def execute_monitoring(self, collector, start_time, timeout_minutes):
                     break
 
                 try:
-                    self.stream_display.show_polling_message()
-
                     collector.get_current_view("")
 
                     # Extract cached result for diff detection

awscli/customizations/ecs/expressgateway/managedresource.py

@@ -12,7 +12,7 @@
 # language governing permissions and limitations under the License.
 
 import sys
-from datetime import datetime
+from datetime import datetime, timezone
 
 import dateutil.parser
 
@@ -155,9 +155,9 @@ def get_stream_string(self, timestamp, use_color=True):
             lines.append(f"  Reason: {self.reason}")
 
         if self.updated_at:
-            updated_time = datetime.fromtimestamp(self.updated_at).strftime(
-                "%Y-%m-%d %H:%M:%S"
-            )
+            updated_time = datetime.fromtimestamp(
+                self.updated_at, tz=timezone.utc
+            ).strftime("%Y-%m-%d %H:%M:%SZ")
             lines.append(f"  Last Updated At: {updated_time}")
 
         if self.additional_info:

awscli/customizations/ecs/expressgateway/stream_display.py

@@ -14,6 +14,7 @@
 """Stream display implementation for ECS Express Gateway Service monitoring."""
 
 import time
+from datetime import datetime, timezone
 
 from awscli.customizations.ecs.expressgateway.managedresourcegroup import (
     ManagedResourceGroup,
@@ -108,4 +109,4 @@ def show_error_message(self, error):
 
     def _get_timestamp(self):
         """Get formatted timestamp."""
-        return time.strftime("%Y-%m-%d %H:%M:%S")
+        return datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%SZ")

tests/unit/customizations/ecs/expressgateway/test_display_strategy.py

@@ -256,7 +256,6 @@ def test_execute_with_mock_collector(self, mock_sleep, capsys):
         output = capsys.readouterr().out
         printed_output = output
         assert "Starting monitoring" in printed_output
-        assert "Polling for updates" in printed_output
         assert "stopped by user" in printed_output
         assert "complete" in printed_output