SIENTIAPDE-1169

Implement OPC writing metrics and enhance OPC class initialization

- Added metrics for counting predictions written to the OPC server and monitoring their response times.
- Enhanced the OPC class initialization to include the pod ID for better tracking.
- Updated the write method to increment the prediction count and observe response times.

laborious/metrics.py

@@ -26,3 +26,16 @@ PREDICTION_RESPONSE_TIME_MONITOR = Histogram(
     CORE_LABELS,
     buckets=[0.01, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0, 10.0]
 )
+
+PREDICTION_OPC_WRITING_COUNT = Counter(
+    "laborious_prediction_opc_writing_count",
+    "Number of predictions written to the OPC server",
+    CORE_LABELS,
+)
+
+PREDICTION_OPC_WRITING_RESPONSE_TIME_MONITOR = Histogram(
+    "laborious_prediction_opc_writing_response_time_monitor",
+    "Current response time of each prediction written to the OPC server",
+    CORE_LABELS,
+    buckets=[0.01, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0, 10.0]
+)