helm repo add mysql-operator https://mysql.github.io/mysql-operator/
helm repo update

helm install my-mysql-operator mysql-operator/mysql-operator  --namespace mysql-operator --create-namespace

--db instance
kubectl create secret generic mypwds \
        --from-literal=rootUser=root \
        --from-literal=rootHost=% \
        --from-literal=rootPassword="sakila"


apiVersion: mysql.oracle.com/v2
kind: InnoDBCluster
metadata:
  name: mycluster
spec:
  secretName: mypwds
  tlsUseSelfSigned: true
  instances: 3
  router:
    instances: 1		
	
	
--- test
$> kubectl run --rm -it myshell --image=container-registry.oracle.com/mysql/community-operator -- mysqlsh root@mycluster --sql
If you don't see a command prompt, try pressing enter.
******

MySQL mycluster SQL> SELECT @@hostname

+-------------+
| @@hostname  |
+-------------+
| mycluster-0 |
+-------------+	

This section utilizes the {innodbclustername}.{namespace}.svc.cluster.local form when connecting; and typically refers to the {innodbclustername} shorthand form that assumes the default namespace. See Section 3.4, “MySQL InnoDB Cluster Service Explanation” for additional information.