Support two or more multidatacenter on same nodes?

[joseluissmarting]

What is missing?
Support two or more multidatacenter on same nodes:

• https://docs.k8ssandra.io/install/local/multi-cluster-helm/

Why do we need it?
We use a lot of tables and differents apps in the same cassandra cluster multidatacenter. We need to separate this cluster into several, to avoid the impact in Cassandra:

• https://docs.datastax.com/en/planning/oss/data-model.html#number-of-tables

Environment
Cassandra 5.0.1

• K8ssandra Operator version:
  cr.k8ssandra.io/k8ssandra/k8ssandra-operator:v1.20.2

Anything else we need to know?:
You already support the change of the hostPort: https://docs-v2.k8ssandra.io/reference/crd/k8ssandra-operator-crds-latest/#k8ssandraclusterspeccassandracontainersindexportsindex

But we can't change the default ports used in the cointainers images and it gives us erros like:
ERROR [main] 2024-10-29 10:38:27,940 CassandraDaemon.java:887 - Port already in use: 7199; nested exception is: java.net.BindException: Address already in use (Bind failed)

I only see this one: MGMT_API_LISTEN_TCP_PORT: 8080 , k8ssandra/management-api-for-apache-cassandra#398

Thanks you in advance!

┆Issue is synchronized with this Jira Story by Unito
┆Issue Number: K8OP-285