read hash mismatch errors from influx and error if > 0 (#14240)

system-test/testnet-automation-json-parser-missing.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+import sys, json
+
+data=json.load(sys.stdin)
+
+# this code is designed for influx queries where 'no data' means 0
+if 'results' in data:
+   for result in data['results']:
+      val = "0"
+      if 'series' in result:
+         val = str(result['series'][0]['values'][0][1])
+      print(val)
+else:
+   print("No results returned from CURL request")