Anomalies : Lambda Code change to Store full array of root causes (#265)

Author: yabindlish

data-collection/deploy/module-cost-anomaly.yaml

@@ -224,11 +224,12 @@ Resources:
                   'TotalImpact': get_value_by_path(record, 'Impact/TotalImpact'),
                   'TotalImpactpercentage': float(get_value_by_path(record, 'Impact/TotalImpactPercentage', 0.0)),
                   'MonitorArn': get_value_by_path(record, 'MonitorArn'),
-                  'LinkedAccount': get_value_by_path(record, 'RootCauses/0/LinkedAccount'),
-                  'LinkedAccountName': get_value_by_path(record, 'RootCauses/0/LinkedAccountName'),
-                  'Region': get_value_by_path(record, 'RootCauses/0/Region'),
-                  'Service': get_value_by_path(record, 'RootCauses/0/Service'),
-                  'UsageType': get_value_by_path(record, 'RootCauses/0/UsageType')
+                  'LinkedAccount': get_value_by_path(record, 'RootCauses/0/LinkedAccount'), # for backward compatibility
+                  'LinkedAccountName': get_value_by_path(record, 'RootCauses/0/LinkedAccountName'), # for backward compatibility
+                  'Region': get_value_by_path(record, 'RootCauses/0/Region'), # for backward compatibility
+                  'Service': get_value_by_path(record, 'RootCauses/0/Service'), # for backward compatibility
+                  'UsageType': get_value_by_path(record, 'RootCauses/0/UsageType'), # for backward compatibility
+                  'RootCauses': get_value_by_path(record, 'RootCauses', []),  # Store full array of root causes
               }
               logger.debug("Processing record complete")
               return result