MySQL Shell 9.0
This section describes how to retrieve a JSON object describing
the structure of a ReplicaSet using
replicaSet.describe()
To retrieve the description of the ReplicaSet, you must be connected to one of the ReplicaSet members. The following data is returned:
name: the name of the ReplicaSet.
topology: an array containing the following
information on each member of the ReplicaSet:
address: the instance address
(host:port
label: the instance identifier.
instanceRole: the instance role, either
PRIMARY, SECONDARY,
or null if invalidated.