demo-kafka/src/main/java/com/example/zxweb/utils/KafkaUtil.java

package com.example.zxweb.utils;

import org.apache.commons.lang3.StringUtils;
import org.apache.kafka.common.serialization.StringDeserializer;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.util.Properties;

/**
 * @Description
 * @Author ZhouWenTao
 * @Date 2023/9/1 13:40
 */
@Component
public class KafkaUtil {
    public static String trustestore="/opt/kafka/client.trustestore.p12";

    @Value("${appCode}")
    public String appCode;
    @Value("${secret}")
    public String secret;
    public static String X_Consumer_Username = "dwVendor";

    public Properties getSafeProducerPro() {
        Properties properties = new Properties();
        properties.setProperty("bootstrap.servers", "10.0.10.153:29551,10.0.10.153:29552,10.0.10.153:29553");
        properties.setProperty("acks", "all");
        properties.setProperty("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
        properties.setProperty("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");
        if (StringUtils.isNotBlank(appCode)) {
            System.out.println("使用鉴权");
            properties.setProperty("bootstrap.servers", "10.0.10.153:29553,10.0.10.153:29554");
            properties.setProperty("sasl.jaas.config", "org.apache.kafka.common.security.scram.ScramLoginModule required username=\"dwVendor\" password=\"fEVcb^QFB;IN$K5\";");
            properties.setProperty("sasl.mechanism", "SCRAM-SHA-512");
            properties.setProperty("security.protocol", "SASL_SSL");
            properties.setProperty("ssl.truststore.location", trustestore);
            properties.setProperty("ssl.truststore.password", "pwd123");
        }else{
            properties.setProperty("bootstrap.servers", "10.0.10.153:29551,10.0.10.153:29552");
        }
        //properties.setProperty("sasl.jaas.config", String.format("org.apache.kafka.common.security.scram.ScramLoginModule required username=\"%s\" password=\"%s\";",appCode,secret));
        //properties.setProperty("sasl.jaas.config", "org.apache.kafka.common.security.scram.ScramLoginModule required username=\"e92224\" password=\"323236g6#\";");
        properties.setProperty("buffer.memory", "33554432");
        properties.setProperty("retries", "0");
        properties.setProperty("ssl.endpoint.identification.algorithm", "");
        return properties;
    }
    //keytool -keystore D:/keystore/client.trustestore.p12 -storepass fEVcb^QFB;IN$K5 -noprompt -alias client.trustestore -import -file D:/keystore/ca.crt -storetype PKCS12

    //keytool -keystore D:/keystore/client.trustestore.p12 -storepass pwd123 -noprompt -alias client.trustestore -import -file D:/keystore/ca.crt -storetype PKCS12
    public Properties getSafeConsumerPro(boolean sslFlag) {
        Properties properties = new Properties();
        properties.setProperty("group.id", "isv-kafka");
        properties.setProperty("key.deserializer", StringDeserializer.class.getName());
        properties.setProperty("value.deserializer", StringDeserializer.class.getName());
        if (sslFlag) {
            System.out.println("使用鉴权");
            properties.setProperty("bootstrap.servers", "10.0.10.153:29553,10.0.10.153:29554");
            properties.setProperty("sasl.jaas.config", "org.apache.kafka.common.security.scram.ScramLoginModule required username=\"dwVendor\" password=\"fEVcb^QFB;IN$K5\";");
            properties.setProperty("sasl.mechanism", "SCRAM-SHA-512");
            properties.setProperty("security.protocol", "SASL_SSL");
            properties.setProperty("ssl.truststore.location", trustestore);
            properties.setProperty("ssl.truststore.password", "pwd123");
        }else{
            properties.setProperty("bootstrap.servers", "10.0.10.153:29551,10.0.10.153:29552,10.0.10.153:29553");
        }

        properties.setProperty("enable.auto.commit", "true");
        properties.setProperty("auto.commit.interval.ms", "1000");
        properties.setProperty("session.timeout.ms", "30000");
        properties.setProperty("auto.offset.reset", "earliest");
        properties.setProperty("ssl.endpoint.identification.algorithm", "");
        /*properties.setProperty("max.poll.interval.ms", "9000");//每隔多长时间去拉取消息。合理设置预期值，尽量但间隔时间消费者处理完业务逻辑，否则就会被coordinator判定为死亡，踢出Consumer Group，进行Rebalance
        properties.setProperty("max.poll.records", "100");//一次从拉取出来的数据条数。根据消费业务处理耗费时长合理设置，如果每次max.poll.interval.ms 设置的时间较短，可以max.poll.records设置小点儿，少拉取些，这样不会超时。
        */
        return properties;
    }
}