要获取Apache Kafka的血统信息,可以使用Kafka的AdminClient API来实现。下面是一个示例代码,展示了如何获取Kafka的血统信息:
import java.util.Properties;
import org.apache.kafka.clients.admin.AdminClient;
import org.apache.kafka.clients.admin.AdminClientConfig;
import org.apache.kafka.clients.admin.ConsumerGroupDescription;
import org.apache.kafka.clients.admin.ConsumerGroupListing;
import org.apache.kafka.clients.admin.DescribeConsumerGroupsResult;
import org.apache.kafka.clients.admin.ListConsumerGroupsResult;
import org.apache.kafka.common.KafkaFuture;
public class KafkaLineageInfo {
public static void main(String[] args) {
// 设置Kafka的配置属性
Properties props = new Properties();
props.put(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
// 创建AdminClient实例
AdminClient adminClient = AdminClient.create(props);
try {
// 获取所有的消费者组
ListConsumerGroupsResult listConsumerGroupsResult = adminClient.listConsumerGroups();
KafkaFuture> groupsFuture = listConsumerGroupsResult.all();
Iterable consumerGroups = groupsFuture.get();
// 遍历每个消费者组
for (ConsumerGroupListing consumerGroupListing : consumerGroups) {
String groupId = consumerGroupListing.groupId();
// 获取消费者组的描述信息
DescribeConsumerGroupsResult describeConsumerGroupsResult = adminClient.describeConsumerGroups(groupId);
KafkaFuture descriptionFuture = describeConsumerGroupsResult.describedGroups().get(groupId);
ConsumerGroupDescription description = descriptionFuture.get();
// 打印消费者组的血统信息
System.out.println("Consumer Group: " + groupId);
System.out.println("Members: " + description.members());
System.out.println("State: " + description.state());
System.out.println("Partitions: " + description.partitionAssignor());
System.out.println();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
// 关闭AdminClient实例
adminClient.close();
}
}
}
这段代码使用AdminClient来获取Kafka的消费者组列表,并对每个消费者组获取其描述信息,包括成员、状态和分区分配器。你可以根据自己的需求对血统信息进行进一步处理和分析。请确保在代码中设置正确的Kafka服务器地址和端口。