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Add ca.location support to SASL_SCRAM auth #123

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Oct 26, 2023
Merged

Add ca.location support to SASL_SCRAM auth #123

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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -63,6 +63,7 @@ To connect to Kafka over SASL/SCRAM authentication define the following addition
- `KAFKA_SASL_MECHANISM`: SASL mechanism to use for authentication, defaults to `""`
- `KAFKA_SASL_USERNAME`: SASL username for use with the PLAIN and SASL-SCRAM-.. mechanisms, defaults to `""`
- `KAFKA_SASL_PASSWORD`: SASL password for use with the PLAIN and SASL-SCRAM-.. mechanism, defaults to `""`
- `KAFKA_SSL_CA_CERT_FILE`: Kafka SSL broker CA certificate file, defaults to `""`

When deployed in a Kubernetes cluster using Helm and using a Kafka external to the cluster, it might be necessary to define the kafka hostname resolution locally (this fills the /etc/hosts of the container). Use a custom values.yaml file with section `hostAliases` (as mentioned in default values.yaml).

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4 changes: 4 additions & 0 deletions main.go
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Expand Up @@ -60,6 +60,10 @@ func main() {
kafkaConfig["sasl.mechanism"] = kafkaSaslMechanism
kafkaConfig["sasl.username"] = kafkaSaslUsername
kafkaConfig["sasl.password"] = kafkaSaslPassword

if kafkaSslCACertFile != "" {
kafkaConfig["ssl.ca.location"] = kafkaSslCACertFile
}
}

producer, err := kafka.NewProducer(&kafkaConfig)
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