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Adding sasl auth in kafka for agent #118

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Merged
merged 3 commits into from
Sep 2, 2025
Merged

Adding sasl auth in kafka for agent #118

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b6629c4
Adding sasl auth in kafka for agent
Ark2307 Sep 1, 2025
176250e
Fixing compilation errors
Ark2307 Sep 2, 2025
2383fe0
adding missing import
Ark2307 Sep 2, 2025
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24 changes: 22 additions & 2 deletions trafficUtil/kafkaUtil/kafka.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import (
"github.com/akto-api-security/mirroring-api-logging/trafficUtil/utils"

"github.com/segmentio/kafka-go"
"github.com/segmentio/kafka-go/sasl/plain"
"google.golang.org/protobuf/proto"
)

Expand All @@ -29,12 +30,20 @@ var useTLS = false
var InsecureSkipVerify = true
var tlsCACertPath = "./ca.crt"

var isAuthImplemented = false
var kafkaUsername = ""
var kafkaPassword = ""

func init() {

utils.InitVar("USE_TLS", &useTLS)
utils.InitVar("INSECURE_SKIP_VERIFY", &InsecureSkipVerify)
utils.InitVar("TLS_CA_CERT_PATH", &tlsCACertPath)

utils.InitVar("IS_AUTH_IMPLEMENTED", &isAuthImplemented)
utils.InitVar("KAFKA_USERNAME", &kafkaUsername)
utils.InitVar("KAFKA_PASSWORD", &kafkaPassword)

}

func InitKafka() {
Expand Down Expand Up @@ -306,11 +315,22 @@ func getKafkaWriter(kafkaURL string, batchSize int, batchTimeout time.Duration)
Compression: kafka.Lz4,
}

transport := &kafka.Transport{}

if useTLS {
tlsConfig, _ := NewTLSConfig(tlsCACertPath)
kafkaWriter.Transport = &kafka.Transport{
TLS: tlsConfig,
transport.TLS = tlsConfig
}

// Add SASL authentication if enabled
if isAuthImplemented && kafkaUsername != "" && kafkaPassword != "" {
slog.Info("Configuring SASL plain authentication", "username", kafkaUsername)
transport.SASL = plain.Mechanism{
Username: kafkaUsername,
Password: kafkaPassword,
}
}

kafkaWriter.Transport = transport
return &kafkaWriter
}
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