custom librdkafka options #48
                
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I use custom librdkafka options for kerberos authentification
CREATE SERVER sasl_plaintext FOREIGN DATA WRAPPER kafka_fdw OPTIONS ( brokers 'localhost:9093', "#sasl.kerberos.keytab" '/etc/krb5.keytab', "#sasl.kerberos.kinit.cmd" 'kinit -V -R -t %{sasl.kerberos.keytab} -k %{sasl.kerberos.principal} || kinit -V -t %{sasl.kerberos.keytab} -k %{sasl.kerberos.principal}', "#sasl.kerberos.min.time.before.relogin" '1000', "#sasl.kerberos.principal" 'kafka/localhost', "#sasl.kerberos.service.name" 'kafka', "#security.protocol" 'sasl_plaintext' );