Strip otelcol prefix while comparing metrics

Signed-off-by: Wise-Wizard <[email protected]>

scripts/compare_metrics.py

@@ -6,7 +6,6 @@
 
 import json
 
-# Load the JSON files
 v1_metrics_path = "./V1_Metrics.json"
 v2_metrics_path = "./V2_Metrics.json"
 
@@ -17,18 +16,22 @@
     v2_metrics = json.load(file)
 
 # Extract names and labels of the metrics
-def extract_metrics_with_labels(metrics):
+def extract_metrics_with_labels(metrics, strip_prefix=None):
     result = {}
     for metric in metrics:
         name = metric['name']
+        if strip_prefix and name.startswith(strip_prefix):
+            name = name[len(strip_prefix):]
         labels = {}
         if 'metrics' in metric and 'labels' in metric['metrics'][0]:
             labels = metric['metrics'][0]['labels']
         result[name] = labels
     return result
 
+
 v1_metrics_with_labels = extract_metrics_with_labels(v1_metrics)
-v2_metrics_with_labels = extract_metrics_with_labels(v2_metrics)
+v2_metrics_with_labels = extract_metrics_with_labels(
+    v2_metrics, strip_prefix="otelcol_")
 
 # Compare the metrics names and labels
 common_metrics = {}
@@ -37,10 +40,7 @@ def extract_metrics_with_labels(metrics):
 
 for name, labels in v1_metrics_with_labels.items():
     if name in v2_metrics_with_labels:
-        if labels == v2_metrics_with_labels[name]:
-            common_metrics[name] = labels
-        else:
-            v1_only_metrics[name] = labels
+        common_metrics[name] = labels
     else:
         v1_only_metrics[name] = labels
 
@@ -54,9 +54,8 @@ def extract_metrics_with_labels(metrics):
     "v2_only_metrics": v2_only_metrics
 }
 
-# Write the differences to a new JSON file
 differences_path = "./differences.json"
 with open(differences_path, 'w') as file:
     json.dump(differences, file, indent=4)
 
-print(f"Differences written to {differences_path}")
+print(f"Differences written to {differences_path}")