workaround for bad grad/maxgrade

agent_based/checkpoint_asg_chassis.py

@@ -14,6 +14,7 @@
 # 2021-09-10: rewrite parse function
 # 2021-09-11: added WATO, cleanup
 # 2022-10-23: fixed warning on upgrade "non-empty params vanished" for discovery_chassis and discovery_sgms
+# 2022-11-17: added workaround for wrong SNMP data in grad/maxgrade in R81.x
 #
 # sample snmpwalk 
 # .1.3.6.1.4.1.2620.1.48.28.1.0 = STRING: "Multi"
@@ -157,8 +158,9 @@ def check_checkpoint_asg_chassis(params, section: CheckPointASGChassis) -> Check
         else:
             yield Result(state=State.OK, summary=f'Chassis {chassis.id}: {chassis.status}')
 
-        summary = f'grade: {chassis.grade}/{chassis.maxgrade}'
-        details = f'Chassis {chassis.id} grade: {chassis.grade}/{chassis.maxgrade}'
+        maxgrade = max(chassis.grad, chassis.maxgrade)  # bad workaround for anmp bug in R81.x
+        summary = f'grade: {chassis.grade}/{maxgrade}'
+        details = f'Chassis {chassis.id} grade: {chassis.grade}/{maxgrade}'
         if chassis.grade != chassis.maxgrade:
             yield Result(state=State(params['state_chassis_not_max_grade']), summary=summary, details=details)
         else: