kafka 添加SASL鉴权

kafka 版本信息：kafka_2.12-2.3.0

使用kafka自带的zookeeper启动

bin/zookeeper-server-start.sh config/zookeeper.properties

kafka启动：

bin/kafka-server-start.sh config/server.properties

nohup bin/kafka-server-start.sh config/server.properties > logs/server-start.log 2>&1 &
这是后台启动，不加nohup，日志会输出到控制台上面去。其中，server-start.log是自己写的一个log文件，在原有的文件logs下面是没有的。

配置SASL步骤：

1.修改bin/server.properties文件

############################# Socket Server Settings #############################

# The address the socket server listens on. It will get the value returned from
# java.net.InetAddress.getCanonicalHostName() if not configured.
#   FORMAT:
#     listeners = listener_name://host_name:port
#   EXAMPLE:
#     listeners = PLAINTEXT://your.host.name:9092
security.inter.broker.protocol=SASL_PLAINTEXT
sasl.mechanism.inter.broker.protocol=PLAIN
sasl.enabled.mechanisms=PLAIN
listeners=SASL_PLAINTEXT://ip:9092

# Hostname and port the broker will advertise to producers and consumers. If not set,
# it uses the value for "listeners" if configured. Otherwise, it will use the value
# returned from java.net.InetAddress.getCanonicalHostName().
advertised.listeners=SASL_PLAINTEXT://ip:9092

# Maps listener names to security protocols, the default is for them to be the same. See the config documentation for more details
#listener.security.protocol.map=PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL
其他值未做任何改变

2.新建config/kafka_server_jaas.conf

KafkaServer {
    org.apache.kafka.common.security.plain.PlainLoginModule required
    username="admin"
    password="admin"
    user_admin="admin"
    user_alice="alice";
};
新建config/kafka_client_jaas.conf --此步可不建，因我要使用控制台去消费数据

KafkaClient {
        org.apache.kafka.common.security.plain.PlainLoginModule required
        username="admin"
        password="admin";
};

3.修改bin/kafka-server-start.sh

if [ "x$KAFKA_HEAP_OPTS" = "x" ]; then
export KAFKA_HEAP_OPTS="-Xmx1G -Xms1G -Djava.security.auth.login.config=/home/zhufei/software/kafka_2.12-2.3.0/config/kafka_server_jaas.conf"
fi

修改bin/kafka-console-consumer.sh kafka-console-producer.sh

if [ "x$KAFKA_OPTS" ]; then
export KAFKA_OPTS="-Djava.security.auth.login.config=/home/zhufei/software/kafka_2.12-2.3.0/config/kafka_client_jaas.conf"
fi

修改config/consumer.properties producer.properties

security.protocol=SASL_PLAINTEXT
sasl.mechanism=PLAIN

此红色部分实际可不用修改，因我要使用控制台消费数据

4.控制台启动消费者

bin/kafka-console-consumer.sh --bootstrap-server 192.168.3.8:9092 --topic test --from-beginning --consumer.config config/consumer.properties

5.java 应用充当生产者：

public class TestDemo {

   public static void main(String[] args) throws Exception {
      System.setProperty("java.security.auth.login.config", "/home/zhufei/software/kafka_2.12-2.3.0/config/kafka_client_jaas.conf"); // 环境变量添加，需要输入配置文件的路径

 Properties props = new Properties();
 props.put("bootstrap.servers", "ip:9092");
// props.put("acks", "all");
 props.put("retries", 3);
 props.put("batch.size", 16384);
// props.put("linger.ms", 1);
// props.put("buffer.memory", 33554432);
 props.put("key.serializer", StringSerializer.class.getName());
 props.put("value.serializer", StringSerializer.class.getName());
// props.put("partitioner.class", HashPartitioner.class.getName());
// props.put("interceptor.classes", EvenProducerInterceptor.class.getName());

 props.put("security.protocol", "SASL_PLAINTEXT");
 props.put("sasl.mechanism", "PLAIN");

 Producer<String, String> producer = new KafkaProducer<String, String>(props);
// for (int i = 0; i < 10; i++)
 producer.send(new ProducerRecord<String, String>("test", null, "hello world 20190909 fox"));
 producer.close();
 }

}



7.结果：能正常发送，正常消费
zhufei@SilverRiver:~/software/kafka_2.12-2.3.0$ bin/kafka-console-consumer.sh --bootstrap-server ip:9092 --topic test --from-beginning --consumer.config config/consumer.properties 
hello world 20190909 fox

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