emqx_plugin_kafka/priv/example/exmaple_1.hocon

plugin_kafka {
  connection {
    client_id = "kafka_client"
    bootstrap_hosts = ["10.3.64.223:9192", "10.3.64.223:9292", "10.3.64.223:9392"]

    connect_timeout = 5s
    connection_strategy = per_partition
    min_metadata_refresh_interval = 5s
    query_api_versions = true
    request_timeout = 3s
    sasl {
      mechanism = plain
      username = "username"
      password = "password"
    }
    ssl {
      enable = false
    }

    health_check_interval = 32s
  }

  producer {
    max_batch_bytes = 896KB
    compression = no_compression
    partition_strategy = random

    encode_payload_type = plain
  }

  hooks = [
    {
      endpoint = message.publish
      filter = "test/#"
      kafka_topic = emqx_msg_publish
      kafka_message = {
        timestamp = "${.timestamp}"
        value = "${.}"
        key = "${.clientid}"
      }
    }
    , {
      endpoint = client.connected
      kafka_topic = emqx_client_connected
      kafka_message = {
        timestamp = "${.timestamp}"
        value = "${.}"
        key = "${.proto_name}"
      }
    }
    , {
      endpoint = client.disconnected
      kafka_topic = emqx_client_disconnected
      kafka_message = {
        timestamp = "${.timestamp}"
        value = "${.reason}"
        key = "${.clientid}"
      }
    }
  ]
}