fix: fix openim zk env set

Signed-off-by: Xinwei Xiong (cubxxw) <3293172751nss@gmail.com>

pkg/common/kafka/producer.go

@@ -31,15 +31,14 @@ import (
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 )
 
-const (
-	maxRetry = 10 // Maximum number of retries for producer creation
-)
+const maxRetry = 10 // number of retries
 
-var errEmptyMsg = errors.New("binary msg is empty")
+var errEmptyMsg = errors.New("kafka binary msg is empty")
 
+// Producer represents a Kafka producer.
 type Producer struct {
-	topic    string
 	addr     []string
+	topic    string
 	config   *sarama.Config
 	producer sarama.SyncProducer
 }
@@ -68,7 +67,7 @@ func NewKafkaProducer(addr []string, topic string) *Producer {
 	// Get Kafka configuration from environment variables or fallback to config file
 	kafkaUsername := getEnvOrConfig("KAFKA_USERNAME", config.Config.Kafka.Username)
 	kafkaPassword := getEnvOrConfig("KAFKA_PASSWORD", config.Config.Kafka.Password)
-	kafkaAddr := getEnvOrConfig("KAFKA_ADDRESS", addr[0]) // Assuming addr[0] contains address from config
+	kafkaAddr := getKafkaAddrFromEnv(addr) // Updated to use the new function
 
 	// Configure SASL authentication if credentials are provided
 	if kafkaUsername != "" && kafkaPassword != "" {
@@ -78,7 +77,7 @@ func NewKafkaProducer(addr []string, topic string) *Producer {
 	}
 
 	// Set the Kafka address
-	p.addr = []string{kafkaAddr}
+	p.addr = kafkaAddr
 
 	// Set up TLS configuration (if required)
 	SetupTLSConfig(p.config)