package com.fzzy.conf;
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import org.apache.kafka.clients.CommonClientConfigs;
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import org.apache.kafka.clients.producer.ProducerConfig;
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import org.apache.kafka.common.config.SaslConfigs;
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import org.apache.kafka.common.serialization.IntegerSerializer;
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import org.apache.kafka.common.serialization.StringSerializer;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.boot.SpringBootConfiguration;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.kafka.annotation.EnableKafka;
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import org.springframework.kafka.core.DefaultKafkaProducerFactory;
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import org.springframework.kafka.core.KafkaTemplate;
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import org.springframework.kafka.core.ProducerFactory;
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import org.springframework.kafka.transaction.KafkaTransactionManager;
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import java.util.HashMap;
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import java.util.Map;
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@Configuration
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public class KafkaProviderConfig {
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@Value("${spring.kafka.bootstrap-servers}")
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private String bootstrapServers;
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@Value("${spring.kafka.properties.security.protocol}")
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private String securityProtocol;
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@Value("${spring.kafka.properties.sasl.mechanism}")
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private String saslMechanism;
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@Value("${spring.kafka.properties.sasl.jaas.config}")
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private String saslJaasConfig;
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@Value("${spring.kafka.properties.sasl.username}")
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private String saslUsername;
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@Value("${spring.kafka.properties.sasl.password}")
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private String saslPassword;
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// @Value("${spring.kafka.producer.transaction-id-prefix}")
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// private String transactionIdPrefix;
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@Bean
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public Map<String, Object> producerConfigs() {
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Map<String, Object> props = new HashMap<>();
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props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers);
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props.put(ProducerConfig.RETRIES_CONFIG, 0);
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props.put(ProducerConfig.REQUEST_TIMEOUT_MS_CONFIG, 5000);
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props.put(ProducerConfig.LINGER_MS_CONFIG, 10);
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props.put(ProducerConfig.BUFFER_MEMORY_CONFIG, 33554432);
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props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
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props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
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props.put(ProducerConfig.MAX_BLOCK_MS_CONFIG, 10000);
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props.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, securityProtocol);
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props.put(SaslConfigs.SASL_MECHANISM, saslMechanism);
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props.put("sasl.username", saslUsername);
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props.put("sasl.password", saslPassword);
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// props.put("sasl.jaas.config", "org.apache.kafka.common.security.scram.ScramLoginModule required username='sc001' password='wCV0ISwmoKwbx1lpBKMW';");
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props.put("sasl.jaas.config", saslJaasConfig);
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return props;
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}
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@Bean
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public ProducerFactory<String, String> producerFactory() {
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DefaultKafkaProducerFactory<String, String> producerFactory = new DefaultKafkaProducerFactory<>(producerConfigs());
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return producerFactory;
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}
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// @Bean
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// public ProducerFactory<Object, Object> producerFactory() {
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// DefaultKafkaProducerFactory<Object, Object> factory = new DefaultKafkaProducerFactory<>(producerConfigs());
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// //开启事务，会导致 LINGER_MS_CONFIG 配置失效
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// // factory.setTransactionIdPrefix(transactionIdPrefix);
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// return factory;
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// }
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// @Bean
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// public KafkaTransactionManager<Object, Object> kafkaTransactionManager(ProducerFactory<Object, Object> producerFactory) {
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// return new KafkaTransactionManager<>(producerFactory);
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// }
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@Bean
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public KafkaTemplate<String, String> kafkaTemplate(ProducerFactory<String, String> producerFactory) {
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return new KafkaTemplate<>(producerFactory);
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}
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}
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