{ "description": "Discover single mongos", "uri": "mongodb://a/?directConnection=false", "phases": [ { "responses": [ [ "a:27017", { "ok": 1, "helloOk": true, "isWritablePrimary": true, "msg": "isdbgrid", "minWireVersion": 0, "maxWireVersion": 6 } ] ], "outcome": { "servers": { "a:27017": { "type": "Mongos", "setName": null } }, "topologyType": "Sharded", "setName": null } } ] }