customers-orders.json

{
    "generators": [
        {
            "connection": "pg",
            "table": "customers",
            "row": {
                "name": {
                    "_gen": "string",
                    "expr": "#{Name.firstName}"
                }
            }
        },
        {
            "connection": "dev-kafka",
            "topic": "orders",
            "value": {
                "orderId": { "_gen": "uuid" },
                "customerId": {
                    "_gen": "lookup",
                    "connection": "pg",
                    "table": "customers",
                    "path": ["name"],
                    "histogram" : {
                        "_gen" : "histogram",
                        "bins" : [
                            {
                                "bin" : 0.2,
                                "frequency" : 8
                            },
                            {
                                "bin" : 0.8,
                                "frequency" : 2
                            }
                        ]
                    }
                }
            }
        }
    ],
    "connections": {
        "dev-kafka": {
            "kind": "kafka",
            "producerConfigs": {
                "bootstrap.servers": "localhost:9092",
                "key.serializer": "io.shadowtraffic.kafka.serdes.JsonSerializer",
                "value.serializer": "io.shadowtraffic.kafka.serdes.JsonSerializer"
            }
        },
        "pg": {
            "kind": "postgres",
            "connectionConfigs": {
                "host": "localhost",
                "port": 5432,
                "username": "postgres",
                "password": "postgres",
                "db": "mydb"
            }
        }
    }
}