1. change primary

2. add node

3. how to remove a node
   a. remove then add 
   b. force remove on cluster
      then 
      rm auto_mysqld.cnf
      rm meta database
      rm other auto file
      1. Verify the server doesn't think its part of a cluster
   c. Move the group module to somewhere else so it is not loaded.
      start mysql
      remove files and meta database
      stop mysql
      move moduke back
      start mysql
      attempt to readd
   d. Reinit mysql
      set password of root to that of cluster
      attempt tp readd and clone

4. Change clusterset
   Create a single node replicacluster
   failover to replica cluster
   remove "old" primary cluster
   Destroy the current server, which was the replica cluster
   Remake everything.