SIENTIAPDE-1312

Update image tag in values.yaml and refactor OpcManager error handling

- Updated the image tag in values.yaml from "0.4.5" to "0.4.9" for the latest version.
- Refactored error handling in OpcManager to improve logging and maintain code clarity.
- Adjusted unit tests for better readability and consistency in assertions.

tests/unit/managers/test_opc_manager.py

@@ -191,9 +191,10 @@ async def test_connect_exception_handling_and_metrics(
 
     with pytest.raises(Exception, match=simulated_error_message):
         await opc_manager_instance.connect()
- 
+
     opc_manager_instance.disconnect.assert_called_once()
 
+
 @mark.asyncio
 async def test_create_subscription_no_client(raw_opc_manager):
     try:
@@ -209,7 +210,8 @@ async def test_create_subscription_success_has_period(opc_manager):
     await opc_manager.create_subscription('sub1')
 
     opc_manager.client.create_subscription.assert_called_once_with(
-        opc_manager.subscription_period_ms, opc_manager)
+        opc_manager.subscription_period_ms, opc_manager
+    )
     assert opc_manager.subscriptions['sub1'] is not None
 
 
@@ -218,7 +220,8 @@ async def test_create_subscription_success_no_period(opc_manager):
     await opc_manager.create_subscription('sub1')
 
     opc_manager.client.create_subscription.assert_called_once_with(
-        opc_manager.subscription_period_ms, opc_manager)
+        opc_manager.subscription_period_ms, opc_manager
+    )
     assert opc_manager.subscriptions['sub1'] is not None
 
 
@@ -302,7 +305,6 @@ async def test_unsubscribe_success(opc_manager_subscribed):
     assert opc_manager_subscribed.subscriptions.get('sub1') is None
 
 
-
 @mark.asyncio
 async def test_disconnection_fallback_success(opc_manager):
     opc_manager.client = AsyncMock()
@@ -310,6 +312,7 @@ async def test_disconnection_fallback_success(opc_manager):
     result = await opc_manager.disconnection_fallback()
     assert result == []
 
+
 @mark.asyncio
 async def test_disconnection_fallback_fail(opc_manager):
     opc_manager.client = AsyncMock()
@@ -317,10 +320,11 @@ async def test_disconnection_fallback_fail(opc_manager):
     result = await opc_manager.disconnection_fallback()
     assert result == [
         {'attempt': 1, 'error': 'Test error', 'traceback': ANY},
-        {'attempt': 2, 'error': 'Test error', 'traceback': ANY},   
+        {'attempt': 2, 'error': 'Test error', 'traceback': ANY},
         {'attempt': 3, 'error': 'Test error', 'traceback': ANY},
         {'attempt': 4, 'error': 'Test error', 'traceback': ANY},
-        {'attempt': 5, 'error': 'Test error', 'traceback': ANY},  ]
+        {'attempt': 5, 'error': 'Test error', 'traceback': ANY},
+    ]
     assert opc_manager.client.disconnect.call_count == 5
 
 
@@ -373,7 +377,6 @@ async def test_disconnect_error(opc_manager_subscribed):
     opc_manager_subscribed.client = None
 
 
-
 @patch('ingestor.managers.opc_manager.metrics')
 @mark.asyncio
 async def test_disconnect_metrics_on_successful_path(mock_metrics_module, raw_opc_manager):