aws_rds_cluster_instance should support ca_cert_identifier like aws_db_instance.
Without this it is impossible to update to the new rds-ca-2019 bundle via Terraform.
BTW this also affects the aws_db_instance resource
It seems the golang sdk does not have this support yet. However, db_instance has the support.
I'm going to lock this issue because it has been closed for _30 days_ ⏳. This helps our maintainers find and focus on the active issues.
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BTW this also affects the aws_db_instance resource