feat: add util for kafka TLS config.

pkg/common/kafka/util.go

@@ -0,0 +1,20 @@
+package kafka
+
+import (
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/tls"
+	"github.com/Shopify/sarama"
+)
+
+// SetupTLSConfig set up the TLS config from config file.
+func SetupTLSConfig(cfg *sarama.Config) {
+	if config.Config.Kafka.TLS != nil {
+		cfg.Net.TLS.Enable = true
+		cfg.Net.TLS.Config = tls.NewTLSConfig(
+			config.Config.Kafka.TLS.ClientCrt,
+			config.Config.Kafka.TLS.ClientKey,
+			config.Config.Kafka.TLS.CACrt,
+			[]byte(config.Config.Kafka.TLS.ClientKeyPwd),
+		)
+	}
+}