Hello.

Kafka has an ability to configure SSL connections between brokers and clients.
SSL certificates has different params such as
        *       issuer
        *       CN
        *       validity date 
and so on.

Values of these parameters important during maintenance:
        *       checking correctness of deployment
        *       planning for certification renewal (validity date)

AFAIK, Kafka doesn’t have a standard way to expose parameters of configured SSL 
certificates.

I think we can return those parameters as a result of some Admin command.

`./bin/kafka-configs.sh —entity-type ssl-certificates —describe` 

What do you think?
I can create KIP if this idea is supported by the community.

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