alerts.json

{
  "MongoDB": {
     "MONGOS": [
        {
            "name": "mongos_shards",
            "label": "Number of shards that are not in Mongos",
            "description": "This service-level alert is triggered if some of the shards are not in the mongos Query Route shard list. This alert is only triggered if you have a sharding cluster with more than one shard",
            "interval": 1,
            "scope": "SERVICE",
            "enabled": true,
            "source": {
              "type": "SCRIPT",
              "path": "HDP/2.3/services/MongoDB/package/alerts/alert_shards_not_in_mongos_list.py",
              "parameters": []
            }
        }
     ]
  }
}