Configuring Talend Dictionary Service to support Kerberized Apache Kafka

You can set up Talend Dictionary Service to work with an external Kerberized Apache Kafka.

Before you begin

Make sure you have the following resources:

Client Kerberos configuration file: krb5.conf
JAAS Kerberos configuration file: kafka_client_jaas.conf
Kerberos keytab file: hostname.keyTab
JKS truststore: krb5.truststore

Procedure

Create an <install_dir>/kafka-kerberos/ directory and copy the below files into it:
- krb5.conf
- kafka_client_jaas.conf
- hostname.keyTab
- krb5.truststore
Open the <install_dir>/kafka-kerberos/kafka_client_jaas.conf file and check that the keyTab property is as below:
```
keyTab=<install_dir>/kafka-kerberos/hostname.keyTab
```

Edit the <install_dir>/dq_dict/config/data-quality.properties file to add or edit the following lines:

kafka.ssl.truststore.location=<install_dir>/kafka-kerberos/krk5.truststore
kafka.ssl.truststore.password=<your_truststore_password>
spring.cloud.stream.kafka.binder.configuration.ssl.truststore.location=${kafka.ssl.truststore.location}
spring.cloud.stream.kafka.binder.configuration.ssl.truststore.password=${kafka.ssl.truststore.password}
spring.kafka.properties.ssl.truststore.location=${kafka.ssl.truststore.location}
spring.kafka.properties.ssl.truststore.password=${kafka.ssl.truststore.password}
java.security.auth.login.config=<install_dir>/kafka-kerberos/kafka_client_jaas.conf
java.security.krb5.conf=<install_dir>/kafka-kerberos/krb5.conf

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