SIENTIAPDE-1169

Refactor OPC data writing and repository initialization

- Simplified success tracking logic in the OPC class for writing prediction and confidence data.
- Removed unused pod_id attribute from OpcRepository initialization.
- Updated test cases to include pod_id for improved metrics tracking during data writing operations.

tests/laborious/utils/repository/test_opc_repository.py

@@ -263,18 +263,36 @@ def test_write_data_invalid_data_type(opc_repository, mock_client):
     assert error_data.get('attachment_content') is None
 
 
-def test_write_data(opc_repository, mock_client):
+@patch('laborious.utils.repository.opc_repository.metrics')
+def test_write_data(mock_metrics, opc_repository, mock_client):
     opc_repository.validate_connection = MagicMock(return_value=(True, {}))
     opc_repository.client = mock_client
     mock_node = MagicMock()
     mock_client.get_node.return_value = mock_node
 
     opc_repository.write_data("ns=2;s=TestNode", 42.0,
-                              "float", opc_repository.logger, metadata)
+                              "float", opc_repository.logger, metadata['metadata'])
 
     mock_client.get_node.assert_called_once_with("ns=2;s=TestNode")
     mock_node.write_value.assert_called_once()
 
+    mock_metrics.PREDICTION_OPC_WRITING_COUNT.labels.assert_called_once_with(
+        pod_id=opc_repository.pod_id,
+        model_name=metadata['metadata']['model_name'],
+        pipeline_name=metadata['metadata']['workflow_name'],
+        opc_server_id=opc_repository.id
+    )
+    mock_metrics.PREDICTION_OPC_WRITING_COUNT.labels.return_value.inc.assert_called_once_with()
+
+    mock_metrics.PREDICTION_OPC_WRITING_RESPONSE_TIME_MONITOR.labels.assert_called_once_with(
+        pod_id=opc_repository.pod_id,
+        model_name=metadata['metadata']['model_name'],
+        pipeline_name=metadata['metadata']['workflow_name'],
+        opc_server_id=opc_repository.id
+    )
+    mock_metrics.PREDICTION_OPC_WRITING_RESPONSE_TIME_MONITOR.labels.return_value.observe.assert_called_once_with(
+        ANY)
+
 
 def test_write_data_write_value_failed(opc_repository, mock_client):
     opc_repository.validate_connection = MagicMock(return_value=(True, {}))